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Backend Software Engineer At Cardless San Francisco jobs in San Francisco· Page 4

Results 61–80 of 11,530 for “Backend Software Engineer At Cardless San Francisco” in San Francisco.

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Meter logo
Full-time|$163K/yr - $220K/yr|On-site|San Francisco

Join Meter as a Backend Engineer and be part of a dynamic team that drives the backbone of our cutting-edge network-as-a-service platform. Our backend infrastructure is vital, requiring unwavering reliability and performance. In this role, you will design and implement production systems that ensure uptime, handle billions of real-time data points, and scale…

Jul 23, 2025
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Stytch logo
Full-time|$185K/yr - $225K/yr|Hybrid|San Francisco, California

Position OverviewAt Stytch, we pride ourselves on being the leading identity platform designed with developers in mind. Our innovative features—including device fingerprinting and robust account takeover protection—form the backbone of secure, scalable identity and access management solutions. As a Senior Backend Engineer within our Product Engineering team, you will collaborate closely with leadership to craft exemplary product experiences. You will architect solutions across our technology stack, manage the design and execution of pivotal projects, and contribute to critical initiatives on our product roadmap.This is a full-time hybrid position based in the San Francisco Bay Area. We value flexibility and are looking for a candidate who is enthusiastic about collaborating in person three days a week.

May 6, 2025
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Scribe logo
Full-time|$175K/yr - $200K/yr|On-site|San Francisco

About UsScribe is a dynamic workplace where talented individuals come together to achieve remarkable professional milestones. With over 94% of the Fortune 500 relying on Scribe to enhance their operations, our Workflow AI platform effortlessly captures and optimizes workflows, enabling teams to work smarter, faster, and with greater consistency.Since our inception in 2019, we have experienced rapid growth, amassing more than 5 million users across 600,000 businesses. Headquartered in San Francisco, we have been recognized as a LinkedIn Top Startup, valued at over $1 billion, and supported by prominent investors. Join us as we transform the way work is accomplished.Our Work CultureWe are passionate builders striving to perfect our crafts. We deeply value our colleagues and are committed to achieving success together. We adhere to the following principles:Accelerate ImpactRaise the BarEmpower Our UsersClarity is KindRapid LearningOne Team, One DreamRole OverviewWe are on the lookout for a Senior Backend Engineer to become a vital member of our Core Engineering Team, which drives some of the key functionalities at Scribe, such as document viewing and editing, content embedding and exporting, and supporting essential integrations. Millions of users depend on these workflows daily.In this position, you will take the lead on influential projects — from enhancing critical document features to developing new greenfield systems — while collaborating across the technology stack to deliver exceptional product experiences. As a backend engineer, you will deepen our systems, engage in technical discussions, and elevate the standard of engineering excellence within the team.Your ResponsibilitiesDevelop and deploy backend features within our Django monolith, covering core document workflows (viewing, editing, embeds, exports) as well as innovative greenfield projects that broaden Scribe's capabilities.Enhance performance and reliability by fine-tuning database queries, endpoints, and caching layers for critical user workflows.Collaborate with product managers, designers, and frontend engineers to create intuitive and dependable experiences at scale.Contribute to the architecture and design of our systems to improve overall efficiency and maintainability.

Jan 21, 2026
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Giga logo
Full-time|On-site|San Francisco

Join us on-site in the vibrant Dogpatch neighborhood of San Francisco as a Senior Backend Engineer.About GigaGiga, a pioneering voice AI startup, has successfully secured a $61M Series A funding and boasts an impressive roster of clients including DoorDash. We are dedicated to revolutionizing the customer experience through real-time AI agents capable of understanding emotions and resolving issues instantly, while being scalable across the globe's largest enterprises.This is a pivotal moment for our company as we aim to expand our horizons. Our ambition is to position Giga as the premier AI platform for enterprise automation, driven by our cutting-edge voice superintelligence. To realize this vision, we are seeking exceptional engineers to join our team.Our engineers are empowered to make significant impacts, influencing the daily experiences of millions. This unique opportunity allows you to work alongside visionary founders, contribute to a commercially successful venture, and help shape a generational company. Here are some highlights about us:Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipGiga is trusted by leading B2C companies around the world to manage their most complex support and operational workflows across various communication channels including voice, chat, and email. If this excites you, we encourage you to apply!The RoleWe are searching for innovative backend engineers to develop the infrastructure and systems that power our AI agents. You will engage with a variety of technologies from data pipelines and analytics to real-time agent systems, delivering features that have a direct impact on our customers' operations.This position grants you the freedom to own challenges from start to finish—identifying the optimal approach, constructing solutions, and refining them based on your findings.What You'll Work OnHere are a few key projects from our current roadmap:Analytics overhaul: Transitioning our analytics service to ClickHouse and optimizing it for the next phase of growth.Hallucination detection: Enhancing our detection systems with the aim of minimizing hallucination occurrences.Browser agent utilization: Scaling and stabilizing our systems to ensure robust performance.

Oct 14, 2025
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Krea logo
Full-time|On-site|San Francisco

About KreaAt Krea, we are at the forefront of developing innovative AI-driven creative tools designed to enhance artistic expression.Our commitment lies in making AI accessible and manageable for creative professionals. We aim to create tools that enhance human creativity rather than replace it.We view AI as a revolutionary medium that facilitates self-expression across diverse formats, including text, images, video, sound, and even 3D content. Our goal is to create smarter, more intuitive tools that effectively leverage this medium.Your RoleDesign, implement, deploy, and maintain robust private APIs for our core web and mobile applications.Create and optimize database models.Troubleshoot system issues, particularly those related to HTTP/3 and client-side connections.Enhance database and infrastructure performance through effective caching solutions and improved connection pooling.Analyze and identify bottlenecks in HTTP/WebSocket requests to facilitate real-time image and video generation.Advance observability, monitoring, and alerting capabilities for our services to ensure effective incident management.Scale our services through architectural advancements and infrastructure enhancements.Open-source significant innovations derived from our product development efforts.Refine software development processes to create web-native and AI-native creative tools.Elevate our product by incorporating enterprise-level features such as Audit Logs, SAML/SSO, and SCIM.Our Technology StackJavaScript/TypeScriptSvelte & SvelteKitNode.js, PostgreSQL, and RedisWebSocketsManaged Kubernetes clusters on AWSMonitoring via Axiom/HyperDX/Prometheus/OpenTelemetryCollaborative tools: GitHub, Slack, Notion

Jul 31, 2025
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Siftstack logo
Full-time|$200K/yr - $250K/yr|On-site|San Francisco, CA

At Siftstack, we are revolutionizing the way advanced machines are constructed, tested, and managed. Our innovative platform provides engineers with real-time visibility into high-frequency telemetry, removing obstacles and facilitating quicker and more dependable development.Siftstack emerged from our extensive experience at SpaceX working on projects such as Dragon, Falcon, Starlink, and Starship, where the challenges of scaling telemetry, debugging flight systems, and ensuring mission reliability necessitated the creation of groundbreaking infrastructure. Founded by a team with backgrounds in SpaceX, Google, and Palantir, Siftstack is engineered for mission-critical systems where accuracy and scalability are essential.As a pivotal engineer focused on our data infrastructure, you will not only write code but also shape core architecture and contribute to scaling a real-time telemetry platform from the ground up. You will tackle intricate backend systems designed to capture, store, and serve millions of high-frequency data points per second, accelerating iteration cycles for some of the most advanced engineering teams globally.

Oct 27, 2025
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Kernel logo
Full-time|On-site|San Francisco

About KernelKernel is an innovative developer platform that delivers Lightning-Fast Browsers-as-a-Service for browser automation and web agent deployment. Our API and MCP server empower developers to effortlessly launch cloud-based browsers without the hassle of infrastructure management.Our serverless browser solution takes care of the complexities: autoscaling, dependable browser infrastructure, observability, and intricate web interactions, allowing developers to concentrate on their agents' functionality rather than the underlying technology. Kernel brings AI to life, enabling developers to create agents that genuinely engage with the digital landscape.Our platform is trusted by teams at Cash App, Rye, and many others for various tasks including in-depth research, QA automation, and real-time web analysis. We recently secured $22M in funding from notable investors such as Accel, YCombinator, Vercel, Paul Graham, Solomon Hykes (Docker), David Cramer (Sentry), and Charlie Marsh (Astral).With just a single line of code, you can deploy any web agent to our cloud infrastructure. If you are passionate about developing essential infrastructure for the future of AI applications, we would love to connect with you.

Dec 4, 2025
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doss logo
Full-time|On-site|San Francisco

Who We AreAt doss, we are pioneering the next generation of data management with our innovative AI-driven schema layer, designed specifically for physical-goods companies. Our platform acts as the 'Terraform for operators,' enabling businesses to adapt their systems of record swiftly in response to changes in their operations.Imagine leveraging AI foundation models for seamless schema migrations, achieving real-time observability across operational and financial data, and utilizing sophisticated git versioning for both schema and data modifications, all while composing workflows akin to infrastructure code.Your RoleDesign and develop the foundational EAV data model and schema-as-code platform that underpins every customer instance, ensuring a perfect balance between flexibility and transactional integrity.Construct a Git-style version control and migration engine capable of executing complex schema and data changes on live production environments for enterprise clients.Create AI-enhanced tooling that leverages foundation models to propose, validate, and implement new customer schemas and workflow definitions.Scale our white-labeled data warehouse (similar to BigQuery or Snowflake) to handle high-volume, low-latency analytics and automation tasks.Develop Terraform-like declarative APIs and SDKs to allow operations teams to manage business processes as code while ensuring security, tenancy, and performance.Provide end-to-end observability and searchable insights across supply chain, finance, and operational data, highlighting business logic in user-friendly language through AI-native search capabilities.Implement Enterprise guardrails within a composable system to preemptively identify anomalies or risky patterns.Foster a collaborative engineering culture, working closely with product and design teams to transform traditional back-office challenges into elegant, resilient systems that operators admire.Your SkillsProficiency in building large-scale ETL processes using databases such as Postgres, Elasticsearch, DuckDB, Memgraph (Graph DB), etc.Experience utilizing cloud services for the development and deployment of reliable web applications.Ability to work with abstractions to create scalable and complex graph-based architectures.About YouTeam-oriented: You bring enthusiasm, openness, and inquisitiveness to the team every day.Innovative thinker: You thrive on developing creative solutions to complex problems.Detail-oriented: You possess a keen eye for detail and a passion for delivering high-quality work.

Jul 31, 2025
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Delve logo
Full-time|On-site|San Francisco

About DelveDelve is pioneering an AI-native platform that revolutionizes compliance, transforming it from labor-intensive tasks into seamless, automated workflows.As the fastest growing compliance company in the industry, Delve enables hundreds of companies to save hundreds of hours (including notable clients like Lovable, 11x, and WisprFlow) by removing compliance busywork, allowing them to concentrate on what truly matters — securely serving their customers.Our team is a close-knit group of innovators—comprising former founders, operators, and engineers—dedicated to tackling genuine challenges for real customers. Our backgrounds span prestigious institutions like Stanford, MIT, Berkeley, and OpenAI, and we are funded by Insight Partners, General Catalyst, Y Combinator, among others. We recently secured a $32M Series A funding and are rapidly expanding!Step by step, we are on a mission to abolish busywork for humanity.About the RoleWe are seeking a Backend Engineer to take charge of the core systems that drive our AI workflows. In this role, you will design schemas, define APIs, and construct scalable backend architecture, closely collaborating with both engineering and product teams.This is an in-office position in San Francisco, where the founding team collaborates daily to make swift decisions and develop production-ready software deployed weekly.What You’ll DoManage backend systems: data models, APIs, and system design with scalability in mind.Lead schema and system design for our AI-native workflows.Utilize TypeScript, Node.js, Postgres (our current tech stack).Enhance backend performance and lay the groundwork for scalability.Collaborate closely with product engineers and AI engineers to define and implement backend contracts.Contribute to product development with practical engineering insights—this role is not just about fulfilling tickets.What We’re Looking For3–4 years of backend engineering experience (including personal projects and startup work).Strong experience in relational data modeling and API design.Proficiency in TypeScript, Node.js, Postgres, and ORM tools.Familiarity with system architecture patterns for scalable applications.Excellent problem-solving skills and a collaborative mindset.

Jun 23, 2025
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Lapel logo
Full-time|On-site|San Francisco

At Lapel, we are dedicated to creating extraordinary customer experiences. We are developing cutting-edge data solutions, robust infrastructure, and innovative tools designed to empower customer-facing teams to understand and engage with every customer throughout their journey.While many businesses strive to enhance customer relationships, their existing tools often hinder their efforts. Our mission is to create a seamless layer that personalizes every interaction: integrating context, coordinating actions, and bridging the divide between intent and experience.This is a highly technical challenge that encompasses data infrastructure, artificial intelligence, and systems design, ultimately facilitating a human-centric outcome: allowing software companies to serve their clients more effectively. We call this approach 'hospitality at scale.'Lapel is well-funded, backed by leading investors, and collaborating with amazing organizations, ranging from dynamic startups to established enterprises. We look forward to sharing more insights when we connect.

Mar 27, 2026
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Revi logo
Full-time|On-site|185 Clara St San Francisco, CA

Join Revi as a Senior Backend Engineer and Shape the Future of Retail! At Revi, we're revolutionizing the retail landscape by merging the physical and digital worlds. As pioneers in the emergence of Web 3.0, we are transforming brick-and-mortar experiences into seamless digital interactions. With over three decades of evolution in web technology, we are on the brink of a new era where physical stores can harness the power of the internet to create unparalleled customer experiences.Our mission is to empower businesses with a state-of-the-art in-store digital platform that fosters lasting customer relationships. Our beautifully designed self-ordering system enables consumers to buy, pay, and earn rewards effortlessly. With fresh Series A funding of $14.5 million from top-tier Silicon Valley investors, we are poised to seize a multi-billion dollar market opportunity.Why Join Us Now? This is a pivotal moment for Revi. With our AI-driven in-store platform already live with growing restaurant chains, we are experiencing strong product-market fit and customer demand for new features. This is your chance to make a significant impact on our technical direction while building on a foundation of proven success.

Feb 11, 2026
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LiteLLM logo
Full-time|On-site|San Francisco

Senior Backend EngineerJoin LiteLLM, the leading AI Gateway trusted by industry giants including Adobe, Netflix, and NASA. Our platform empowers developers with secure and reliable access to Large Language Models (LLMs) and related services. We are currently seeking a dedicated Senior Backend Engineer to contribute to the development of robust guardrails and observability tools at scale.About The RoleIn this role, you'll take ownership of our guardrail and logging implementations. You will oversee backend code to ensure all guardrail interactions are logged accurately, user errors are communicated effectively, and that our observability tools function seamlessly under high traffic conditions. Your meticulous attention to detail regarding latency metrics, logging traceability, and backend guardrail registration will significantly bolster user confidence in our security and compliance capabilities.ResponsibilitiesDevelop and enhance our product to maximize performance, reliability, and ongoing improvements.Ensure guardrail and policy enforcement calls (e.g., applyguardrail) are accurately logged and traceable through our SpendLogs and relevant database tables.Design and implement CPU-level guardrails to mitigate common attacks on LLM APIs, MCP servers, and Agents.Identify and resolve silent failure points in guardrail creation, registration, and policy application—ensuring robust error handling and transparency for end users.Collaborate with observability tools such as Datadog, Splunk, Prometheus, and OpenTelemetry to maintain accurate, configurable, and effective monitoring and logging for backend systems.Enhance observability integrations to manage over 1 billion requests per month with minimal latency and no memory leaks due to Prometheus metrics cardinality.Work cross-functionally on backend engineering priorities including performance, reliability, and security enhancements.What We’re Looking ForBachelor’s or Master’s degree in Computer Science or a related field.4+ years of experience with Python and backend frameworks (e.g., FastAPI, Flask).Strong understanding of logging best practices, error handling, and secure backend development.Familiarity with monitoring, logging, or metrics tools.

Mar 31, 2026
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Strala AI Inc. logo
Full-time|On-site|San Francisco

Join Strala and Revolutionize Insurance!Strala is on a mission to transform the world’s largest industry - insurance. In less than a year, we have achieved a remarkable multi-seven-figure ARR and continue to grow at an impressive rate of 50% month over month. Backed by top-tier investors, including Peter Thiel’s Founders Fund, we are proud to have a team composed of alumni from prestigious institutions like Harvard, Berkeley, and Oxford, along with experienced professionals from renowned firms such as Optiver, AMD, and Palantir.What We're SeekingProblem Solver: You thrive on tackling challenging problems and have a proven history of success.High Agency & Ownership: You take initiative and make things happen, with bonus points if you have experience as a CTO or founding engineer.Proven Builder: You possess at least 2 years of experience in backend development with Python, demonstrating a track record of delivering fast, production-grade code.Core System Design: You will be responsible for our core infrastructure, databases (PostgreSQL, vector DBs), and overall architecture.Cloud Mastery: You are well-versed in REST, GraphQL, GCP, AWS, and Docker.Your First Month at StralaShip from Day 1: You will be deploying to production on your first day and taking full ownership of your code.Ownership: You will create specifications, solve problems, and build features.Solve Every Problem: You will be involved in hiring your next teammate, designing core infrastructure, and scaling the existing codebase.Our ValuesAmbition: We aim to win and strive to be the best.Performance: We value speed, system thinking, and efficiency.Ownership: We take responsibility for problems and work to solve them.Spirit: We foster clarity, optimism, and meritocracy.What We OfferImpact: Shape a company, redefine an industry, and make your code resonate with millions.Intensity: Engage in complex challenges and work alongside exceptional talent.

Jan 5, 2026
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OpenAI logo
Full-time|On-site|San Francisco

About the TeamThe Applied team is dedicated to responsibly introducing OpenAI's groundbreaking technology to the global community. We have launched revolutionary products like ChatGPT, Plugins, DALL·E, and APIs for GPT-5, embeddings, and fine-tuning. Additionally, we manage extensive inference infrastructure to support our rapidly advancing initiatives.Our clients leverage our APIs to create dynamic businesses with innovative product features previously thought impossible. For instance, ChatGPT exemplifies the capabilities our technology currently offers. We prioritize the responsible use of our powerful tools, ensuring that safety remains paramount over unrestricted growth.The Fraud Engineering team operates within the Applied Engineering organization, focusing on identifying and mitigating fraudulent activities on our platform. We are seeking a software engineer with expertise in anti-fraud and abuse systems to help us design and implement next-generation solutions.About the RoleThe Scaled Abuse team safeguards OpenAI’s products and users by detecting, preventing, and addressing fraudulent and abusive activities on a large scale. We develop and maintain backend and data systems that facilitate real-time detection, investigative workflows, and enforcement, ensuring a balance between robust protection and an excellent user experience as our platform evolves.Our work lies at the convergence of engineering and abuse prevention expertise. We collaborate closely with Trust & Safety, Security, and Product teams to identify emerging attack trends, translate complex signals into actionable system behavior, and continuously enhance our defenses. We value engineers who can navigate unfamiliar codebases swiftly, develop a deep understanding of system functionality, and suggest practical improvements to enhance overall resilience.In This Role, You Will:Design and develop systems for fraud detection and remediation, balancing fraud loss, implementation costs, and customer experience.Collaborate with finance, security, product, research, and trust & safety teams to effectively combat fraudulent and abusive behaviors on our platform.Stay updated with the latest techniques and tools to remain ahead of determined adversaries.Utilize GPT-5 and future models to enhance our fraud and abuse mitigation efforts.You May Thrive in This Role If You:Possess at least 5 years of software engineering experience, particularly in backend and data systems.

Apr 6, 2026
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Retell AI logo
Full-time|On-site|San Francisco Bay Area

Join Us at Retell AIRetell AI is revolutionizing the call center industry by leveraging innovative voice AI technology based on first principles.In just 18 months since our inception, we have attracted thousands of companies that rely on Retell's AI voice agents to efficiently manage sales, support, and logistics calls, previously handled by large teams of human agents. Supported by renowned investors such as Y Combinator and Alt Capital, we have rapidly grown from $5M to $36M in Annual Recurring Revenue (ARR) with a dedicated team of 20.Looking ahead to 2026, our ambition is to establish a state-of-the-art customer experience platform entirely powered by AI. We aim to create intelligent AI “workers” capable of serving as frontline agents, quality assurance analysts, and managers, continuously optimizing customer interactions without the need for constant human oversight.We are on an exciting growth trajectory and are seeking driven individuals who are eager to solve complex technical challenges, accelerate progress, and make a significant impact at one of the fastest-growing voice AI startups.Let’s innovate the future together!Ranked as a top 50 AI app by a16z: https://tinyurl.com/5853dt2x#4 on Brex's Fast-Growing Software Vendors of 2025: https://www.brex.com/journal/brex-benchmark-december-2025One of the top startups on: https://leanaileaderboard.com/

Dec 3, 2024
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Chime logo
Full-time|$133K/yr - $184K/yr|Hybrid|San Francisco, CA, USA

About the RoleAt Chime, we empower our members with financial flexibility through SpotMe, enabling them to manage essential expenses when funds are limited. We are seeking a dedicated Backend Engineer to enhance and maintain our services that facilitate this crucial support. Join our collaborative and high-performing team, where quality is paramount, and we are committed to addressing the real challenges faced by our members.Our members consistently cite SpotMe as a key reason to recommend Chime. If you are eager to grow as a product-focused backend engineer and are excited about contributing to a cherished and impactful feature at scale, this opportunity is perfect for you.The base salary for this position ranges from $133,000 to $184,000, with full-time employees eligible for bonuses, a competitive equity package, and comprehensive benefits. The specific salary offered will depend on your location, skills, qualifications, and experience.

Apr 9, 2026
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Amari AI logo
Full-time|On-site|San Francisco

About Us:At ResiQuant, we are dedicated to addressing a critical challenge in disaster resilience: the availability of accurate, standardized, and dynamic property data. As climate change and natural disasters such as earthquakes, hurricanes, and wildfires increasingly affect our world, informed risk decisions are often made with incomplete or erroneous data.Our mission is to equip insurers, financial institutions, and asset managers with AI-driven systems that integrate structural engineering knowledge. These systems help to bridge crucial data gaps, providing precise, actionable insights into buildings for improved decision-making.Founded by Stanford PhDs, we are devoted to utilizing state-of-the-art AI technologies to safeguard communities and businesses against the impacts of disasters. At ResiQuant, we envision a future where every organization has access to premier property risk intelligence, fostering resilience and protecting what matters most.The RoleIn this position, you will design and manage the backend systems that drive AI-powered property risk intelligence at enterprise scale. You will be responsible for creating APIs, data pipelines, and model-integrated services that provide reliable, real-time insights trusted by insurers for billion-dollar underwriting decisions. As an integral member of our early team, you will collaborate closely with the founders to establish the technical foundation of the platform and ensure that cutting-edge AI is applied safely and effectively within the insurance sector.What You’ll DoTake ownership of backend features from design through to deployment.Design scalable services and integrations tailored for Fortune 500 insurers.Construct pipelines to ingest, validate, and transform extensive property datasets.Develop and enhance AI-assisted backend functionalities (API design, retrieval-backed features, monitoring).Ensure observability, reliability, and performance across all systems.Work collaboratively with founders, engineers, and customers to rapidly iterate on impactful features.Who You Are0–5 years of engineering experience (1–3 years preferred). Outstanding new graduates are encouraged to apply.Bachelor’s degree in Computer Science or a related field.Proficient in Python, databases, and cloud platforms (AWS/GCP).Experience in delivering AI-assisted or data-intensive services (e.g., model APIs, retrieval pipelines).Strong understanding of backend engineering principles and practices.

Sep 7, 2025
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Air Apps logo
Full-time|On-site|San Francisco

Join Air Apps as a Backend Software EngineerAt Air Apps, we’re passionate about innovation and speed. Founded by a family in 2018 in Lisbon, Portugal, we are on a mission to revolutionize how individuals and entrepreneurs manage their resources with our AI-powered Personal & Entrepreneurial Resource Planner (PRP). With over 100 million downloads globally, and offices in both Lisbon and San Francisco, we continue to grow as a self-funded company.As a Backend Software Engineer, you will play a crucial role in designing, developing, and maintaining the server-side components of our applications. Your collaboration with product managers and frontend developers will ensure our services are robust and scalable, ready to support our rapid growth.Join us in this exciting journey to redefine resource management and positively impact lives worldwide.

Oct 17, 2025
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Amari AI logo
Full-time|Hybrid|San Francisco Bay Area

Backend Software Engineer – AI Applications San Francisco Bay Area | Hybrid (3 days onsite, 2 remote)About TrueMeterAt TrueMeter, we are revolutionizing the way businesses manage their energy costs. The U.S. power grid was not designed for the AI era, and we are here to change that. With the rising demand for data centers and the lagging adoption of renewable energy, many businesses are facing increasing utility bills. Our solution? The AI Energy Agent—a system that simplifies and reduces energy costs by consolidating multiple utility bills into a single, affordable subscription. Since our MVP launch in May 2024, we have successfully onboarded millions in energy spending from notable brands. As a seed-stage startup backed by prominent Silicon Valley investors, we are poised for rapid growth.If you are passionate about developing AI-driven systems that can make a significant impact on the planet, we want to hear from you!The RoleWe are seeking a Backend Software Engineer (AI Applications) who thrives in fast-paced, early-stage environments. In this role, you will transform ideas and prototypes into functional systems in a matter of days.You will be responsible for creating the backend infrastructure that powers our AI Energy Agent, including LLM-driven systems that analyze, structure, and interpret energy data. This includes integrating with multiple utility APIs, managing data pipelines, and developing services that ensure our AI solutions are effective and reliable.You will collaborate closely with the co-founder/CTO and a talented team of engineers, designing scalable backend systems that can grow from 10 customers to 10,000, all while taking ownership of your work and delivering with pride.What You Will CreateAI-Driven Backends: Develop production systems that connect LLMs and coding agents to our data and product APIs.Service Architecture: Design and implement fast, secure microservices using Python (and optionally TypeScript).Data Integration: Build reliable connectors to energy company portals and public data sources.Infrastructure for Intelligence: Help architect the backend infrastructure that enables AI agents to read, reason, and act autonomously across our data stack.Performance & Scalability: Own systems that are designed to operate 24/7 with low latency and high reliability.

Nov 4, 2025
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Giga AI Inc. logo
Full-time|On-site|San Francisco

Join Giga's Innovative TeamAt Giga, we're on the cutting edge of technology, having successfully raised $61 million in Series A funding. Our pioneering real-time AI agents are designed to understand emotions, resolve customer issues instantaneously, and scale across some of the largest enterprises globally. We are proud to serve notable clients, including DoorDash.As we stand at a crucial turning point in our journey, we invite talented engineers to join us in achieving our vision of becoming the leading AI platform for enterprise automation, powered by our voice superintelligence.The work we do impacts millions daily, providing our engineers with the autonomy to shape their projects and make a tangible difference. With visionary founders, a successful business model, and a clear roadmap for future growth, this is an extraordinary opportunity to join a generational company.Learn more about us through these articles:Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipYour Role as a Staff Backend EngineerWe are seeking a Staff Backend Engineer to be a key player in defining the technical strategy of our backend systems. You will be responsible for leading complex projects, making pivotal architectural decisions, and elevating engineering standards across our team.This position is tailored for those who want to be builders at heart. You will write code, take ownership of systems, and deliver results while also looking ahead to determine future development directions for our team.Key ResponsibilitiesYou will spearhead technical initiatives across the organization, including:System architecture: Innovating our agent infrastructure to seamlessly scale while balancing speed, reliability, and complexity.Challenging technical problems: Leading high-stakes projects where the consequences of failure could significantly impact our business.Technical strategy: Proactively identifying system gaps and proposing solutions to enhance our platform.

Oct 11, 2025

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