Senior Backend Engineer (Ruby on Rails) - Secret Detection Team

At GitLab, we are revolutionizing the DevSecOps landscape with our intelligent orchestration platform. Our mission is to empower organizations to enhance developer productivity, streamline operations, mitigate security risks, and accelerate their digital transformation journey. With over 50 million registered users and a significant number of Fortune 100 com…

Join GitLab as a Staff Backend Engineer specializing in Composition Analysis. In this role, you will have the opportunity to contribute to our mission of delivering the best DevOps platform in the industry. You will work collaboratively with a talented team, focusing on backend engineering, to enhance our products and services.

GitLab is the leading orchestration platform for DevSecOps, empowering organizations to enhance developer productivity, streamline operational efficiency, mitigate security and compliance risks, and accelerate digital transformation. Trusted by over 50 million registered users, including more than half of the Fortune 100, GitLab is dedicated to delivering better, more secure software faster.Our team embodies the same principles reflected in our products: we leverage AI as a fundamental productivity enhancer, expecting all team members to incorporate AI into their daily workflows to drive efficiency, innovation, and meaningful impact. GitLab is where careers flourish, creativity thrives, and every voice is heard. Our high-performance culture, guided by our values and ongoing knowledge sharing, allows our team members to reach their full potential while collaborating with industry leaders to tackle complex challenges. Join us in co-creating the future as we develop technology that revolutionizes software development.Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab.As an Intermediate Backend Engineer on the GitLab Knowledge Graph team, you will play a crucial role in building and managing a graph data service that underpins GitLab Duo agents, analytics, and architectural features across GitLab.com, Dedicated, and Self-Managed deployments. You will become part of a dedicated, Rust-first team that values ownership, thoughtful system design, and diligent attention to data and reliability.The Knowledge Graph service is a Rust backend responsible for constructing a property graph from GitLab’s software development lifecycle (SDLC) and code data. It utilizes ClickHouse, NATS JetStream, and the Data Insights Platform, exposing secure graph queries and tools used by AI agents and product features. In this role, you will deliver features and enhancements in focused areas, gain an understanding of the broader architecture, and contribute to reliability, observability, and operational preparedness.In your first year, you will take clear ownership of specific components or features (such as parts of the SDLC indexing pipeline or query paths). You will work to minimize single points of failure through improved testing and runbooks, and assist the team in delivering analytical services that are easier to maintain and evolve over time.

At GitLab, we pride ourselves on being an open-core software innovator, delivering the most comprehensive AI-powered DevSecOps Platform utilized by over 100,000 organizations globally. Our mission is to empower everyone to contribute to and co-create the software that shapes our future. By transforming consumers into contributors, we significantly accelerate human advancement. Our platform fosters collaboration, dismantles barriers, and redefines the possibilities within software development. Through pioneering products like Duo Enterprise and Duo Agent Platform, our customers experience AI advantages throughout the Software Development Life Cycle (SDLC).We reflect the same principles in our team dynamics: AI is a core productivity enhancer that all team members are encouraged to integrate into their daily operations to drive efficiency, innovation, and impact. At GitLab, careers thrive, innovation flourishes, and every voice is heard. Our high-performance culture, guided by our values and continuous exchange of knowledge, enables our team to reach their full potential while collaborating with industry leaders to tackle complex challenges. Join us in co-creating the future as we revolutionize the way the world develops software.Role OverviewAs a Senior Backend Engineer on the Auth Infrastructure team at GitLab, you'll play a pivotal role in constructing the essential infrastructure that facilitates authentication and authorization for millions of users across GitLab.com, self-managed, Dedicated, and air-gapped environments. Your focus will be on developing secure, efficient, and reliable identity services while guiding GitLab towards a zero-trust architecture and a microservices-oriented future. Collaborating closely with the Authentication, Authorization, Platform, and Infrastructure teams, you will design and implement critical components such as Envoy proxy configurations, token services, bi-directional gRPC tunnels, mTLS, and service mesh architecture, while also enhancing observability and debugging capabilities for distributed authentication systems.This position offers the chance to address authentication infrastructure challenges on a global scale, directly influencing the roadmap for our systems.

Join our innovative team at Raya as a Staff Backend Engineer specializing in Recommender Systems. In this fully remote role, you will leverage cutting-edge technology to develop and enhance our recommender systems, ensuring optimal user experience and engagement. Collaborate with cross-functional teams to design scalable solutions that drive business value.

GitLab is a pioneering open-core software company that offers an extensive AI-driven DevSecOps Platform, embraced by over 100,000 organizations globally. Our mission is to empower every individual to contribute to and collaboratively shape the software that drives our world forward. By fostering an environment where everyone can contribute, we transform consumers into contributors, significantly propelling human advancement. Our platform seamlessly integrates teams and organizations, dismantling obstacles and redefining possibilities within software development. With innovative products such as Duo Enterprise and Duo Agent Platform, our customers leverage AI benefits throughout every stage of the Software Development Life Cycle (SDLC).The principles embedded in our products are mirrored in our team dynamics: we embrace AI as a fundamental productivity enhancer, encouraging all team members to integrate AI into their daily workflows to enhance efficiency, innovation, and impact. At GitLab, we cultivate an environment where careers flourish, innovation thrives, and every voice is acknowledged. Our high-performance culture is guided by our values and a commitment to continuous knowledge sharing, enabling team members to unlock their full potential while collaborating with industry leaders to tackle complex challenges. Join us in co-creating the future as we revolutionize how the world develops software.Position OverviewAs a Lead Principal Database Engineer, you will play a pivotal role in designing and steering the evolution of the PostgreSQL infrastructure that underpins GitLab.com and thousands of self-managed enterprise deployments. You will tackle critical challenges related to uncontrolled data growth, complex upgrades and migrations, while ensuring unwavering reliability at a global scale. Your focus will be on creating database patterns and platforms that maintain GitLab's speed, resilience, and cost-effectiveness as usage expands. You will architect scalable, distributed database solutions, develop proactive health and reliability frameworks, and advocate for the adoption of modern database technologies and data stores that enhance both product capabilities and production stability. Engaging hands-on within the codebase and collaborating closely with product and infrastructure teams, you will translate long-term database strategies into incremental, customer-visible enhancements, transition incident response from reactive to proactive, and help define GitLab's forward-looking data architecture, encompassing sharding and multi-database support.

At Assured, we're revolutionizing the insurance landscape by modernizing claims processing—a crucial yet often neglected aspect of the industry. Currently, the process relies heavily on manual efforts, such as phone calls and faxes, resulting in inefficiencies that cost billions annually. We're here to change that.Our mission is to empower large insurance providers through innovative software solutions tailored for today’s technology-driven world. From intuitive self-service claim-filing systems to advanced backend fraud detection mechanisms, we serve as the backbone for claims processing for some of the largest insurers globally.Facing a myriad of challenges, we strive to create digital experiences that offer reassurance and clarity to claimants during their most stressful moments, while also managing large-scale machine learning-driven decision-making processes involving billions in claims payments. Life at Assured is dynamic, collaborative, and fulfilling.We are seeking a Senior AI Engineer to spearhead the development of next-generation AI-powered systems central to our platform. In this hands-on leadership role, you will architect scalable solutions, mentor fellow engineers, and push the boundaries of what’s possible with large language models (LLMs) and contemporary development tools.If you are passionate about AI, enjoy solving complex challenges, and are eager to see the tangible impact of your work, we want to connect with you.

At Assured, we're transforming the insurance landscape by modernizing claims processing—a crucial yet often neglected aspect of the industry. Currently fraught with inefficiencies such as phone calls and faxes, this sector costs billions annually. We believe there's a better way.Our mission is to equip large insurers with cutting-edge software solutions that thrive in today's technology-driven environment. From self-service claim-filing systems to sophisticated backend fraud detection, we are the driving force behind claims processing for some of the world's largest insurance providers.The challenges we tackle are varied and intricate, ranging from crafting digital experiences that offer comfort and clarity to claimants in distress, to orchestrating large-scale, machine learning-driven decision-making for billions in claims payments. Life at Assured is dynamic, collaborative, and fulfilling.We are seeking a seasoned Senior Backend Engineer to play a pivotal role in shaping the future of our rapidly expanding B2B SaaS platform. As an essential contributor to our engineering team, you will take ownership of critical systems from architecture and infrastructure to core business logic, ensuring our scalability is both reliable and secure.You will collaborate closely with product, infrastructure, and data teams to introduce new capabilities, enhance performance, and evolve the platform that supports our clients' most vital workflows. This high-impact position offers remarkable ownership, technical challenges, and opportunities for mentorship and leadership.

Are you passionate about making a difference? Join Enveritas, a mission-driven non-profit organization, as a Backend Software Engineer! By developing software solutions, you will play a crucial role in enhancing the livelihoods of millions of coffee farmers globally. As a Y Combinator-backed startup, we are looking for talented individuals to join our Engineering & Data Group on a full-time remote basis. Explore more about this opportunity and our team at https://www.enveritas.org/jobs/backend-software-eng/ About Our Engineering & Data Group We are a diverse, innovative, and collaborative team of around thirty members from various backgrounds, including journalism, academia, and international industries. Our group boasts a gender representation of 36% identifying as women and/or nonbinary, and many of us are parents or soon-to-be parents. Our mission is to build and maintain software that collects, analyzes, and reports crucial data regarding the conditions and practices of coffee farmers. This large-scale data collection involves intricate systems working in harmony, leveraging technology to facilitate every step—from identifying coffee farms through satellite imagery to coordinating survey modifications across diverse country teams and detecting real-time data anomalies for prompt investigation. Ultimately, we aim to provide roasters and stakeholders with actionable insights to improve the social, economic, and environmental conditions of smallholder farmers. Our backend systems are primarily built using Python and PostgreSQL/PostGIS, hosted on AWS through containerized services. We embrace GitHub for version control, CI/CD for deployment, and Terraform to manage infrastructure. Your Role and Responsibilities As a Backend Software Engineer within our EUDR engineering team, you will focus on enhancing backend systems designed to process customer-submitted farm lists, validate and transform inputs, and integrate them with our deforestation detection models and geospatial datasets. Your key responsibilities will include: Backend Feature Development and Maintenance: Improve our EUDR backend services, refine geospatial workflows, and enhance data integrity checks and error handling. Investigative Problem-Solving: Collaborate with the Support team to trace issues, analyze data, and develop solutions for any discrepancies. Flexibility in Requirements: Adapt to ambiguous or evolving requirements while ensuring project goals are met.

At Acorns, we are dedicated to championing the financial futures of the next generation, starting with the empowering journey of micro-investing. Our mission is driven by our core values. Lead With Heart: Inspire yourself and others to transcend past limitations with compassion, integrity, and determination.Make Bold Decisions: As pioneers of a new era, approach challenges with optimism and courage. Embrace the future fearlessly.Always Build Trust: Communicate transparently and deliver on promises. We are one team, united in purpose.Never Stop Growing: Embrace change as a constant. Stay inquisitive and relentless in your pursuit of progress.Find a Way: Strive for solutions without excuses. Achieve the impossible.Our mission and values guide us as we strive to provide financial wellness for all families, equipping everyone with the tools to create wealth.___________________________________________________________________________Senior Software Engineer (AI Innovations Team) | AcornsAcorns is on the lookout for a passionate Senior Software Engineer to join our AI Innovations Team! If you are enthusiastic about transformative AI technologies and seek an environment where your expertise can revolutionize customer experiences, we want you! Help us build the future of Fintech by creating a customer service virtual agent that embodies our empowering mission.You will leverage cutting-edge AI to design a virtual agent that reimagines customer support, offering personalized and timely assistance. By harnessing proprietary data, you will develop intelligent, empathetic solutions that empower users to make well-informed financial choices. Your contributions will be critical in shaping a product that reflects our values of benevolence and courage, transforming customer service into a meaningful and uplifting experience.Acorns is a remote-first organization, allowing you the flexibility to work from anywhere while offering optional office space in Irvine, CA.Your Role at Acorns:Deeply understand Acorns’ mission, vision, and strategic objectives within the fintech landscape.

At GitLab, we are revolutionizing the software development landscape with our powerful AI-driven DevSecOps Platform, embraced by over 100,000 organizations worldwide. Our mission is to empower individuals to contribute to and co-create the software that drives global progress. By fostering a culture where every voice is heard, we are dismantling barriers and expanding the possibilities of software development. With innovative solutions such as Duo Enterprise and Duo Agent Platform, our customers enjoy AI advantages at every phase of the Software Development Life Cycle (SDLC).Our values inspire how we work: we leverage AI as a fundamental productivity enhancer, expecting all team members to integrate AI into their daily routines to foster efficiency, innovation, and impact. GitLab is a place where careers flourish, creativity thrives, and collaboration is key. Our high-performance culture, driven by our values and continuous exchange of knowledge, empowers team members to reach their full potential while partnering with industry pioneers to tackle complex challenges. Join us in co-creating the future as we develop technologies that transform the software development landscape.Role OverviewAs a Customer Success Manager, you will play a crucial role in helping GitLab customers unlock the full potential of our DevSecOps platform. Your focus will be on driving user adoption, achieving measurable outcomes, and fostering long-term advocacy. You will act as a trusted advisor for a portfolio of clients, guiding them through Git, branching strategies, the software development lifecycle, continuous integration, continuous deployment, and best practices in DevSecOps. This position involves aligning customer objectives with GitLab’s capabilities, leading workshops, and establishing Centers of Excellence. You will translate product usage data into clear, actionable insights for both customers and GitLab account teams. Collaboration with Product Management, Engineering, Sales, and Professional Services will be essential, and your success in the role will be evaluated through customer satisfaction, retention, and the strength of the strategic relationships you cultivate.Key ResponsibilitiesEstablish and nurture trusted advisor relationships with each assigned customer, emphasizing adoption, measurable outcomes, and long-term success.

At GitLab, we are revolutionizing software development with our cutting-edge AI-powered DevSecOps Platform, embraced by over 100,000 organizations globally. Our mission is to empower everyone to contribute to the software that drives our world forward. By fostering a culture where consumers can become contributors, we are accelerating human progress and breaking down barriers in technology. Our platform enhances collaboration across teams and organizations, pushing the boundaries of what's achievable in software development. With innovative products like Duo Enterprise and Duo Agent Platform, we deliver AI benefits at every stage of the software development lifecycle (SDLC).Our commitment to AI extends into our workplace culture, where team members are encouraged to integrate AI into their daily workflows to enhance productivity and drive impactful innovation. At GitLab, we nurture careers, promote creativity, and value every voice. Our high-performance culture is rooted in our core values and a continuous exchange of knowledge, empowering our team to reach their full potential while collaborating with industry leaders to tackle complex challenges. Join us in co-creating the future as we develop technology that transforms the software development landscape.Role OverviewWe are in search of a Principal Engineer to spearhead the technical direction for our vital infrastructure platforms. This key role operates on an organizational scale, taking ownership of architecture, addressing complex system challenges, and leading initiatives that influence GitLab's growth, performance, and reliability.As a Principal Engineer, you will act as a technical authority and force multiplier, guiding architectural decisions across distributed and cloud-native systems, translating business strategies into sustainable technical paths. Collaborating across multiple teams and domains, you will clarify ambiguity, elevate engineering standards, and mentor senior talent, all while being accountable for tangible production outcomes. This hands-on, high-impact position is tailored for leaders who excel through influence and shape the foundational platforms crucial to our organization.

At GitLab, we are an open-core software company revolutionizing the landscape of software development with our comprehensive AI-powered DevSecOps Platform, utilized by over 100,000 organizations globally. Our mission is to empower individuals to contribute to and co-create the software that shapes our world. By fostering a culture where every voice matters, we accelerate innovation and progress. Our platform fosters collaboration across teams and organizations, dismantling barriers and reshaping the possibilities in software development. With innovative products like Duo Enterprise and Duo Agent Platform, we provide AI-driven benefits throughout the software development lifecycle.Our team embodies the same principles that are embedded in our products, embracing AI as a vital productivity enhancer. Every team member is encouraged to integrate AI into their daily tasks to boost efficiency, inspire innovation, and create meaningful impact. GitLab is a place where careers flourish, innovation thrives, and diverse perspectives are valued. Our high-performance culture, rooted in our values and continuous knowledge sharing, empowers our team members to achieve their full potential while collaborating with industry experts to tackle complex challenges. Join us in co-creating the future as we develop technology that transforms software development.Staff Product Designer, Security and ComplianceWe are looking for a Staff Product Designer to spearhead design for intricate initiatives, mentor fellow designers, and enhance the quality of our Security experience.About the RoleIn the role of Staff Product Designer for Security & Compliance, you will lead the design of sophisticated security experiences that assist organizations in safeguarding their software supply chain, managing vulnerabilities, and fulfilling compliance mandates. This position bridges the gap between complex technical security concepts and user-centered design, transforming intricate workflows into intuitive, usable experiences for developers and security teams.Your initial focus will be on Software Supply Chain Security (including provenance and attestation, signing and verification, dependency firewall, SBOM, and malicious package detection). Over time, your responsibilities will extend across the broader Security & Compliance portfolio, which encompasses application security scanners, policy enforcement, and more.

Please note: This position is FULLY remote, but applicants must reside within the European region to effectively collaborate with our team, peers, and internal stakeholders. We welcome applications from anywhere in Europe, but please ensure you are physically located within this region.Hostaway is a leading SaaS scale-up revolutionizing the vacation rental industry. We provide innovative solutions and maintain strategic partnerships with industry giants like Airbnb, VRBO, and Booking.com, allowing us to effectively compete and thrive. Our customer-centric values drive consistent results that foster growth, learning, and innovation for our team and clients.As a profitable, high-growth company, we are proud to be the first unicorn in the short-term rental Property Management System sector . Join us during this exciting phase of our journey! Discover more about our recent achievements and valuation here.About the Role:Hostaway is on the lookout for a dynamic and driven Staff Backend Engineer to join our Core team. This team is crucial for integrating with our primary partners (Online Travel Agencies). These integrations are vital to our customers’ daily operations, enabling seamless connectivity between their properties and major booking platforms. If you have experience working with similar tools that manage large volumes of data and interact with complex APIs, you will be an excellent addition to our team! As a Staff Engineer, you will lead the technical evolution of your domain, ensuring a comprehensive understanding of architectural challenges and strategies for resolution over time.Collaboration with the domain’s Product Manager is essential. While the PM focuses on the what, you will be their counterpart responsible for determining the how. Your ability to delve deep into the technical aspects will be invaluable.

Whippy is at the forefront of revolutionizing business communication through AI technology. Our innovative AI Agents are transforming the way companies interact with their customers, providing solutions across customer support, marketing, and sales. By leveraging Whippy’s Voice AI and Chat AI, businesses can automate manual workflows, effectively manage inquiries, nurture leads, screen applicants, and streamline high-value engagements at scale. Our all-in-one platform replaces outdated tools with a powerful solution that enhances productivity and efficiency.About the RoleJoin Whippy as a Backend Engineer and play a crucial role in our product development.You will:Design and implement highly scalable APIs for quick deployment of new products and services.Draft Engineering Requirement Documents to guide projects from concept to execution, ensuring thorough evaluation.Develop test suites to uphold product performance and reliability, integrating analytics to track the success of launched features.Our backend engineers have successfully built:A robust Public API and webhook interface handling millions of messages.An advanced query language built on top of Postgres and OpenSearch.A production-ready URL shortening service with custom domain capabilities.About YouYou possess a strong understanding of web API architecture and a commitment to producing high-quality, well-documented APIs.You are eager to engage in the entire project lifecycle, from initial research and planning through to implementation and performance monitoring.Your excellent written and verbal communication skills enable you to convey ideas, designs, and potential solutions effectively, primarily in an asynchronous environment.What We OfferWe offer a competitive compensation package ranging from $60K to $80K annually, commensurate with experience.You will have the opportunity to take significant responsibility and ownership of a groundbreaking product.Collaborate closely with experienced entrepreneurs who have successfully built companies valued over $100M.Important InformationAs a startup, our team dynamics are unique compared to larger organizations. We are a globally distributed team, and this structure fosters a distinct collaborative culture.

Join Canonical as a Python and Kubernetes Software Engineer, where you will develop cutting-edge open source solutions for data analytics, MLOps, and AI/ML workflows. Collaborate with a global team to create impactful solutions on public and private clouds, utilizing top tools like Kubeflow, MLFlow, and Apache Airflow. Contribute to projects that empower individuals and organizations with the benefits of open source technology.

Staff Backend Engineer – Transform Telecom InfrastructureAt OXIO, we are pioneering the world's first telecom-as-a-service (TaaS) platform, revolutionizing the telecom industry by enabling brands and enterprises to fully own and operate customized mobile networks tailored to meet their customers' needs. Our innovative TaaS solution merges various existing networks into a single, easily managed cloud platform, akin to a modern SaaS offering. With complete network access, businesses gain unprecedented insights into customer behavior and machine-to-machine (M2M) interactions. By focusing on continuous innovation, OXIO empowers companies to establish a robust telecom presence while extracting unique customer insights like never before.Job Overview:Mobile connectivity remains a critical resource globally, with significant disparities in affordability. For instance, acquiring 500 MB of data costs just 30 minutes of work for an American but 40 hours for a Mexican. Additionally, travelers often face exorbitant roaming fees or must navigate complex local carrier systems.The telecom industry is ripe for transformation. We propose a unified exchange platform where carriers, Mobile Virtual Network Operators (MVNOs), IoT providers, and device manufacturers can seamlessly trade connectivity. This initiative aims to reduce costs and unlock new experiences for both users and businesses.We are in search of a seasoned Tech Lead with extensive hands-on experience to guide the development of our flagship BrandVNO platform. In this pivotal role, you will lead the enhancement of our SDK, enabling clients to craft innovative telecom experiences directly within their mobile applications.

About RemoteRemote is tackling one of the most pressing challenges for modern organizations – navigating global employment compliance effortlessly. We empower businesses of all sizes to hire, compensate, and manage global teams seamlessly. Guided by our core values and a forward-thinking work culture, our team is dedicated to solving ambitious problems asynchronously from around the globe. You can find Remoters working from six continents (Antarctica is the final frontier!), and all of our job openings are fully remote.Innovation is at the heart of our values, and we have integrated Automation and AI capabilities into the requirements for every role.We invite every member of the Remote team to contribute their unique talents, experiences, and cultures to help us create a best-in-class HR platform. If you are dynamic, inquisitive, driven, and ambitious, we encourage you to join us and shape the future of work! Apply today!The RoleYou will be part of a diverse team of engineers specializing in Frontend, Backend, SRE, and QA, organized into cross-functional development teams focused on specific verticals.This position is available for multiple teams, and we will determine the exact team you will join during the interview process based on business requirements and your preferences.Regardless of the specific team, you will be responsible for developing tools, APIs, and integrations for one of our products.Our backend technology stack includes Elixir and Phoenix, supported by a Postgres database. We utilize React and Next.js for our frontend development. GitLab serves as our version control and CI/CD tool, while our applications are hosted on AWS. We rely on continuous integration for our deployments, allowing multiple deployments each day. You can explore our Engineering Rulebook for further insights.What You Can Expect from This RoleEngaging and meaningful challenges that empower individuals and businesses to operate globally.An opportunity to significantly influence our business as we are still early in our journey, meaning your contributions will have a lasting impact as the company grows.A great deal of flexibility in your work environment.

Remote builds a platform that helps organizations manage global employment, making it easier for businesses to recruit, pay, and oversee international teams. The company’s fully remote structure brings together team members from six continents, each contributing unique perspectives to the ongoing development of Remote’s HR platform. Automation and AI are woven into daily work, supporting efficient and compliant operations. Role overview The Senior Backend Engineer joins a cross-functional group that includes Frontend, Backend, SRE, and QA specialists. Teams are organized by product vertical, and the specific assignment will be determined during the interview process based on both business needs and personal interests. The main focus of this role is building tools, APIs, and integrations for one of Remote’s core products. Key technologies Elixir and Phoenix for backend development Postgres as the primary database React and Next.js on the frontend GitLab for version control and CI/CD AWS for hosting Continuous integration enables frequent deployments throughout the day. For more detail on engineering practices, see the Engineering Rulebook. What this job can offer Challenging projects that support global collaboration between businesses and individuals Opportunities to make a direct impact as the company grows A supportive and flexible environment that values both personal and professional growth Location This is a fully remote position open to candidates anywhere in the world.