Senior AI Software Engineer

About Retell AIAt Retell AI, we are pioneering the future of call centers through innovative voice AI technology. Our cutting-edge solutions are transforming how companies engage with customers.In just 18 months since our inception, we've empowered thousands of businesses with our AI voice agents that efficiently manage sales, support, and logistics calls, s…

Responsibilities:Develop Our Product. Take ownership of software features that enhance our AI platform, empowering private market investors to analyze deals swiftly and accurately. This role requires you to actively engage in coding and delivering essential platform components from the ground up.Ensure Quality and Excellence. Establish and maintain coding standards, architectural guidelines, and review procedures; mentor fellow engineers. Co-cultivate a culture centered on practical, reliable, and test-driven development that swiftly meets business requirements.Scale for Growth. Assist in monitoring and scaling the architecture of our platform and its infrastructure.Collaborate Across Functions. Engage closely with product, security, and go-to-market teams to translate our strategic roadmap into actionable features and deliverables.

The Trade Desk is a leading global technology company dedicated to fostering a better, more open internet for everyone through principled, intelligent advertising. With the capability to handle over 1 trillion queries daily, our platform operates at an unparalleled scale. We pride ourselves on our award-winning culture, built on the foundations of trust, ownership, empathy, and collaboration. We appreciate the unique experiences and perspectives that every individual brings to The Trade Desk, and we are committed to creating inclusive spaces where everyone can express their authentic selves at work. If you are passionate about solving complex problems at scale and are eager to join a dynamic, globally-connected team where your contributions will significantly impact the media ecosystem, we invite you to explore why Fortune magazine consistently ranks The Trade Desk among the top small to medium-sized workplaces worldwide. As a Senior Software Engineer, you will have end-to-end ownership, allowing you to engage in various facets of designing, building, and delivering data-centric products for our stakeholders. At The Trade Desk, we focus on constructing the back-end infrastructure of our platform with an unwavering commitment to quality at scale. Whether developing components for our client-facing applications, crafting internal custom solutions for our teams, or building model pipelines for bidding optimizations, we ensure that the infrastructure, development processes, and tools empower us to execute efficiently. Our systems operate continuously, serving global traffic, and we collaborate in a highly cooperative environment while leveraging a diverse array of technologies. Our back-end developers tackle algorithmic, optimization, and scalability challenges across all our initiatives.

fractional-ai is looking for a Senior or Staff Software Engineer to join the San Francisco office. This position centers on building advanced AI solutions with a team that values both technical depth and collaboration. Role overview This role focuses on designing and developing AI-driven systems. The work involves solving technical challenges and contributing to projects that push the boundaries of what AI can achieve. Collaboration with other engineers and stakeholders is a key part of daily responsibilities. Who will thrive Experienced engineers with a strong background in software development Those who enjoy working on complex technical problems Individuals who value teamwork and open communication Location This position is based in the San Francisco office.

About Us:Read AI is at the forefront of productivity-enhancing AI solutions, dedicated to empowering individuals and organizations to streamline their workflows across meetings, messaging, and email communication. Our seamless integration with leading platforms such as Microsoft Teams, Google Meet, Zoom, Slack, Hubspot, and Salesforce transforms how teams collaborate, providing an AI copilot that enhances productivity wherever work happens.Having recently secured $50 million in Series B funding led by Smash Capital, along with ongoing support from existing investors Madrona and Goodwater Capital, our total funding now stands at $81 million, marking an exciting phase of growth just six months post-Series A. If you are passionate about developing impactful solutions and eager to contribute to a rapidly growing company, we invite you to be part of our journey!The Role:As a Senior Software Engineer at Read AI, you will play a critical role in shaping the architecture and performance of our product. You will oversee the data flows and machine learning infrastructure, which encompasses real-time audio and video processing, interactions with third-party LLM providers, data processing orchestration, database management, data APIs, inferencing services, and transcription services.Responsibilities:Collaborate with cross-functional teams to design and develop scalable and reliable backend services and APIs that power our platform.Take ownership of key system components from conception through deployment and maintenance.Implement quality assurance best practices, including unit and integration testing.Optimize data processing pipelines and storage solutions for efficiency.Seamlessly integrate third-party services and data sources into our platform.Monitor and troubleshoot infrastructure and operational issues to ensure maximum uptime and reliability.Continuously assess and adopt best practices, tools, and technologies to improve system scalability, reliability, and maintainability.

Why Join Moonshot AI?Imagine a world where websites automatically optimize themselves to enhance sales, improve conversion rates, and accelerate growth. At Moonshot AI, we are transforming this vision into reality by integrating generative AI, extensive data processing pipelines, and systematic experimentation into a self-evolving digital ecosystem.As a well-funded startup in its early stages, we have a bold vision. Joining us means becoming more than just an employee; you will play a crucial role in shaping our technical and cultural foundation. If you desire the freedom of a founder, combined with the support of top-tier investors, this is the opportunity for you.Your ContributionsIn your role as our Senior Fullstack Engineer, you will be actively engaged across the technology stack. You will design, develop, and scale systems that power our AI-driven platform, enjoying significant autonomy, rapid execution, and substantial ownership of your work.Build and architect scalable systems — from backend APIs to frontend dashboards — capable of processing millions of web events daily.Create large-scale data infrastructure that elucidates website construction, performance metrics, and optimization strategies.Train and integrate LLMs into production environments to autonomously hypothesize, generate, and validate website variants.Influence engineering culture and practices — your impact will be evident throughout our tech stack, architecture, and team processes.Engage in experimentation, prototyping, and iteration — combining research, product development, AI, and scalability in a single role.This is not about maintaining another SaaS application; it’s about constructing an AI engine that revolutionizes digital product creation.Candidate ProfileA software artisan — you produce clean, scalable code and are adept at delivering results swiftly.5+ years of full-stack development experience (Python, JavaScript, AWS preferred, but not mandatory).Proven experience in leading teams or managing significant projects.Educational background in Computer Science, Electrical Engineering, Mathematics, or equivalent practical expertise.An AI enthusiast eager to work with LLMs and influence their real-world applications.Bonus Qualifications:Experience in a startup environment (thriving in dynamic, fast-paced settings).

Role overview As a Senior AI Software Engineer at nice, based in Sandy, UT, the focus is on developing advanced artificial intelligence solutions that enhance the company’s products and services. This position plays a key role in shaping how AI supports both customer experience and internal operations. What you will do Design, implement, and improve AI and machine learning algorithms for practical, real-world use cases. Collaborate with cross-functional teams to translate complex data into actionable insights. Help elevate user experience and streamline processes by building AI-driven features. Location This position is based in Sandy, Utah, USA.

Join the Revolution at Retell AIRetell AI is pioneering the future of call centers through innovative voice AI, driven by first principles thinking.In just 18 months since our inception, we have empowered thousands of businesses with our AI voice agents, transforming how sales, support, and logistics calls are managed—previously requiring extensive human teams. Supported by prestigious investors such as Y Combinator and Alt Capital, we've rapidly scaled from $5M ARR to an impressive $36M ARR with a compact yet dynamic team of 20.Our ambition for 2026 is to create a revolutionary customer experience platform, where entire contact centers are powered by AI. Moving beyond basic automation, we aim to develop intelligent AI “workers” that serve as frontline agents, QA analysts, and managers, continuously enhancing customer interactions without the need for constant human oversight.As we expand, we are seeking passionate engineers who are eager to solve challenging technical problems, act swiftly, and make a significant impact in one of the fastest-growing voice AI startups. Let’s shape the future together.

Senior Backend Software EngineerJoin Read AI's innovative Backend team as a Senior Software Engineer. In this pivotal role, you will be instrumental in designing, developing, and optimizing robust backend systems that fuel our AI-driven productivity platform. Engage in a dynamic, collaborative setting where you’ll deploy code weekly and make a substantial impact on millions of users.Complete your application with a Provn skills assessment.

Conversica is on the lookout for a Senior AI Software Engineer to architect, develop, and optimize high-performance AI systems that provide tangible value to our customers and business alike. This pivotal role focuses on practical, product-oriented, and customer-centric strategies, emphasizing the transformation of complex real-world challenges into dependable, maintainable, and scalable AI solutions..In this role, you will enjoy significant autonomy and technical influence, playing a key part in shaping AI architecture, engineering standards, and best practices across the organization.

Read AI develops tools that add intelligence to team collaboration, helping groups stay productive across meetings, messaging, and email. The platform connects with Zoom, Microsoft Teams, Google Meet, and Slack, making it easier for teams to coordinate and move projects ahead from anywhere. With $81 million in backing from Smash Capital, Madrona, and Goodwater Capital, Read AI is expanding its impact on AI-powered teamwork. Role overview This Senior Fullstack Software Engineer position is based at Read AI’s Seattle headquarters. The role involves both hands-on feature development and shaping the technical direction of the product. The engineer will design scalable systems, establish coding standards, and help define the technical roadmap. The work spans complex backend logic and building responsive, reliable user experiences. Read AI values engineers who are comfortable with ambiguity, mentor others, and focus on building systems that stand the test of time. What you will do Architectural leadership: Design and implement scalable web applications and distributed systems across the stack. Technical excellence: Maintain high code quality through code reviews, automated tests, and clear documentation. System ownership: Take responsibility for major product areas from initial design through deployment and ongoing improvement. Cross-functional strategy: Collaborate with Product and Design to shape the roadmap, balancing technical feasibility and scalability. Performance and reliability: Address issues affecting application speed, database performance, and frontend rendering. Mentorship: Support mid-level and junior engineers, encouraging best practices and ongoing learning. DevOps culture: Improve CI/CD pipelines, observability, and infrastructure-as-code. Location This role is on-site at Read AI’s Seattle HQ. Learn more Find additional information at https://www.read.ai/.

At Bubble, our mission is clear: we strive to empower everyone to create software. We believe that every idea deserves a chance to become a reality, which is why we are dedicated to making software creation accessible to all. Our innovative AI visual development platform allows anyone—whether a first-time entrepreneur or part of a large enterprise team—to transform an idea from concept to a fully functional, scalable application across web, iOS, and Android. And the best part? You can do it all without writing or managing a single line of code.As the only comprehensive full-stack, cross-device no-code platform in existence, Bubble serves over 5 million users in more than 100 countries, breaking the barriers to entrepreneurship and innovation worldwide.Our Achievements:Our product is not just functional; it’s thriving. Entire VC-backed companies have been successfully built using Bubble. After discovering product-market fit and eight years of bootstrapping, we secured a $100 million Series A investment and established ourselves as one of the fastest-growing companies in New York’s tech ecosystem.With Bubble, you can build virtually anything—and our community exemplifies this. Beyond merely launching products, users are transforming their visions into real businesses. For instance, Mailead turned a $10,000 investment in a Bubble product into a $2 million valuation, while Faceless.video achieved over $1 million in annual recurring revenue in under a year, among numerous other success stories.About Our Team:We are expanding our AI Engineering Team to pioneer next-generation AI-powered development workflows. Our objective is to facilitate AI-assisted full-stack development, empowering users to describe their applications in natural language while AI generates, modifies, and enhances their apps seamlessly. As a Senior AI Software Engineer, you will play a key role in shaping and developing the future of AI-powered development at Bubble. Your responsibilities will include working on LLM-driven product features, designing agentic workflows, and developing private models trained on proprietary Bubble datasets. Collaboration with product, infrastructure, and research teams will be essential as we push the boundaries of AI-driven development.

About Read AI:At Read AI, we’re transforming team collaboration by infusing intelligence into every conversation. Our innovative platform enhances productivity across meetings, messages, and emails, enabling work to be executed more efficiently and with an enhanced focus. We seamlessly integrate with various tools such as Zoom, Microsoft Teams, Google Meet, Slack, and more, ensuring teams remain synchronized and progressive, whether they are co-located or distributed across different time zones.Supported by $81 million in funding from esteemed investors including Smash Capital, Madrona, and Goodwater Capital, Read AI is on a growth trajectory. If you are passionate about shaping the future of AI-driven collaboration and wish to make a significant impact in a product-focused startup, we would love to connect with you.The Role:As a Senior Software Engineer specializing in Frontend at Read AI, your work will directly influence how users engage with our platform. This pivotal role is essential for enhancing the user experience at Read through impactful features and improvements. Utilizing Typescript and React, you will contribute to our reporting application, billing system, and native note-taking apps (Zoom, Meet, and Teams), as well as Read’s browser extensions.In this position, you will play a key role in both developing new features and guiding the direction of our product roadmap.Responsibilities:Translate product specifications and visual designs from Figma into new features.Work collaboratively with cross-functional teams to design and implement scalable, maintainable APIs.Design and develop responsive, accessible user interfaces that function seamlessly on various devices and browsers.Advocate for and implement best practices in frontend development, focusing on code quality, testing, and performance optimization.Offer insightful feedback to the product team throughout the development lifecycle.Take ownership of specific product workstreams, driving them forward to make a notable impact on Read's future.Requirements:Bachelor's degree or higher in Computer Science/Engineering (preferred) with 5-7+ years of relevant industry experience.Demonstrated experience in frontend development, with in-depth knowledge of Typescript and React.Strong grasp of modern web development practices and responsive design principles.

Supported by key investors from Silicon Valley, Peregrine Technologies empowers public safety organizations, state and local governments, federal agencies, and private-sector institutions to address societal challenges with remarkable speed and precision. Our AI-driven platform transforms disconnected data into actionable insights—instantly delivering vital information that enables quicker, more informed decisions, resulting in improved outcomes across various touchpoints. Currently, Peregrine serves hundreds of clients in over 30 states and two countries, impacting more than 125 million people. We are poised for further growth as we expand into enterprise solutions and international markets.TeamAt Peregrine, our engineering team prioritizes empathy, believing it enhances our solutions. Observing how users interact with our product is essential as we navigate towards effective answers. Engineers will have the chance to collaborate onsite with our team, gaining insights into the diverse use cases we address.We cherish both ownership and teamwork—taking full responsibility for significant features while closely collaborating with fellow engineers to bring them to fruition. Humility and empathy are fundamental to developing optimal solutions, as we work directly with our deployment team and users to refine our offerings. Tenacity and creativity are vital in realizing our vision.RoleAs a pivotal member of our new AI team, you’ll play a key role in delivering unique value to our customers. This team is tasked with designing powerful, user-friendly experiences powered by generative AI. You will explore innovative methods for users to engage with our platform—whether through natural language commands or by enabling AI agents to manage complex tasks on their behalf. Your contributions will shape secure, impactful AI-driven features that assist clients in solving real-world issues more efficiently.Your responsibilities will encompass a variety of complex challenges, from scaling our platform to process terabytes of data from multiple sources to efficiently querying and alerting users in real-time, as well as optimizing search algorithms for quick results.Our tech stack is continuously evolving but is rooted in a backend framework of Python, Django, Celery, Airflow, and Kafka; a frontend constructed with React, Redux, and Mapbox; data storage solutions including PostgreSQL and Elasticsearch; machine learning models hosted in Bedrock and SageMaker; along with AWS, Pulumi, Terraform, and Kubernetes as our infrastructure.

Role overview retell-ai seeks a Senior Software Engineer in the San Francisco Bay Area to focus on Go-To-Market (GTM) projects. This engineer will help shape how new products are created and introduced to customers, directly influencing the company’s approach to launching and scaling offerings. What you will do Collaborate with teams across the organization to translate business needs into software that advances GTM objectives. Develop and improve products to ensure they fit seamlessly into the market. Uphold high standards for code quality and system performance as products grow and change. Collaboration This position works closely with product, business, and engineering partners to deliver solutions that address both technical and market demands.

Join Our Innovative Team at Retell AIRetell AI is at the forefront of revolutionizing the call center industry through advanced voice AI technology. In just 18 months since our inception, we have empowered thousands of businesses to optimize their sales, support, and logistics calls, which previously relied on large teams of human agents. Supported by prominent investors including Y Combinator and Alt Capital, we've achieved remarkable growth, scaling from $5 million to $36 million in annual recurring revenue (ARR) while expanding our talented team to 20 members.Our ambitious vision for 2026 is to develop a state-of-the-art customer experience platform, transforming entire contact centers with AI. Unlike traditional automation that requires ongoing human oversight, we are building intelligent AI "workers" capable of functioning as frontline agents, quality assurance analysts, and managers, constantly enhancing customer interactions.If you are a passionate innovator eager to solve complex technical challenges and make a tangible impact at one of the fastest-growing voice AI startups, we invite you to join us in shaping the future.Ranked among the top 50 AI applications by a16z: a16z List4th on Brex's Fast-Growing Software Vendors of 2025: Brex BenchmarkFeatured as a leading startup on: Leanaileaderboard

Join Cribl as a Senior Software Engineer, where you'll play a pivotal role in shaping the future of our AI-driven solutions. As part of our dynamic team, you will leverage your expertise in software development to enhance our innovative products, ensuring they meet the highest standards of quality and performance.

Role Overview AECOM is hiring a Senior Software Engineer focused on Artificial Intelligence in Dallas. This position plays a key role in building AI solutions that support project delivery and improve efficiency across the organization. What You Will Do Develop and implement AI technologies for infrastructure and engineering projects Collaborate with teams to integrate AI tools into existing workflows Contribute technical expertise to advance AECOM’s technology initiatives Location This role is based in Dallas.

About the Role:Join our dynamic Mobile Team at Read AI, where we are on a mission to capture and process high-value audio data for our innovative applications. We are dedicated to delivering intelligent, real-time insights across diverse use cases, and we thrive on creativity, collaboration, and technical excellence. Our mobile applications for iOS and Android empower users to capture audio instantly and receive AI-generated transcripts and summaries in real time, ensuring they remain present and engaged in conversations. As we broaden user interactions with Read AI, we are committed to crafting a seamless cross-device experience, allowing users to record, watch, and access Read AI wherever they are.We are seeking a Senior Mobile Engineer who will take significant ownership of our mobile applications and help shape the future of Read AI. This role is critical in scaling high-performance, AI-driven experiences to a wider audience. You will collaborate closely with product, design, and machine learning teams to develop new capabilities, while also raising the standard through mentorship, technical leadership, and robust engineering practices.If you are passionate about creating fast, reliable mobile products and making a real-world impact through AI, we would love to hear from you!Key Responsibilities:Lead major feature areas end-to-end on both iOS (Swift, SwiftUI) and Android (Kotlin, Jetpack Compose), from technical design to implementation, testing, rollout, and iteration.Drive the development of new mobile features and product enhancements, coordinating execution and aligning stakeholders on scope, tradeoffs, and timelines.Enhance real-time audio capture and processing across platforms, utilizing AVFoundation (iOS) and Android audio frameworks to ensure high-quality recordings and accurate transcriptions.Optimize app performance, reliability, battery efficiency, and latency to deliver smooth, real-time AI-powered transcription and summarization.Design and implement AI-driven mobile interactions, including chat-based experiences that enable users to explore, query, and act on meeting reports and insights.Collaborate closely with product, design, and ML teams to prototype and launch innovative mobile UX patterns for conversational AI, making complex information intuitive, fast, and actionable.Evolve mobile architecture patterns, ensuring scalability and maintainability.