Software Engineer, Backend
$105k - $125k10a Labs
About 10a Labs 10a Labs is the safety and threat‑intelligence layer trusted by frontier AI labs, AI unicorns, Fortune 10 companies, and leading global technology platforms. Our adversarial red‑teaming, model evaluations, and intelligence collection enable engineering, safety, and security teams to stay ahead of evolving threats and deploy AI systems safely. In This Role, You Will Design and implement highly reliable, distributed backend services and APIs that are secure, scalable, and maintainable, primarily using Python and Kotlin; Work closely with researchers, security engineers, and product teammates to bring AI‑driven features from concept to production; Apply best practices for authentication, authorization, encryption, and data protection throughout the stack; Integrate and optimize advanced AI/ML models within backend architectures; Monitor and improve performance, reliability, and resource efficiency to support growth; Deploy and manage services on Google Cloud Platform (GCP) such as Cloud Run, Vertex AI, and API Gateway with an emphasis on ensuring scalability, reliability, and efficient resource utilization; Participate in code reviews, testing, and deployment processes to maintain high standards of quality and security; and Drive other critical initiatives. You Might Excel In This Role If You Bring deep experience in cybersecurity, threat detection, or a related area; Thrive in fast‑moving, high‑impact environments, such as startups, AI research labs, or security‑focused teams; Enjoy tackling complex, ambiguous problems and can adapt quickly as priorities evolve; Take initiative, communicate openly, and consistently push yourself and your team to deliver exceptional results; and Work effectively both independently and collaboratively, contributing to team goals while managing your own projects with initiative and accountability. Qualifications Degree in Computer Science, Engineering, or related field — or equivalent professional experience 3+ years of hands‑on backend development in production environments Proficiency in backend programming languages such as Python, Java, Kotlin, Node.js, or Go and experience building secure systems, APIs, and microservices Strong understanding of security best practices, including authentication methods (OAuth, JWT), encryption, and secure API development; knowledge of common attack vectors (SQL injection, privilege escalation, DDoS) and effective mitigation strategies Experience with cloud infrastructure (AWS, GCP) and secure deployment practices, including containerization (Docker, Kubernetes) Experience effectively communicating complex engineering topics to both technical and non‑technical stakeholders Familiarity with modern DevOps practices, including test automation, CI/CD pipelines, and infrastructure‑as‑code practices Experience designing and building end‑to‑end backend systems, from architecture and data modeling to deployment, scaling, and monitoring Nice To Have Experience integrating and optimizing AI models (e.g., NLP, vision, multimodal systems) within backend services Familiarity with SQL and NoSQL databases; experience with secure data management Compensation & Benefits Salary Range: $105K–$125K, depending on experience and location Bonus: Performance‑based annual bonus Professional Development: Support for conferences, continuing education, or leadership training Work Environment: Fully remote, U.S.-based Health Benefits: Comprehensive health, dental, and vision coverage Time Off: Generous PTO and paid holiday schedule Retirement: 401(k) plan #J-18808-Ljbffr
- ...bodies and daily lives. We are looking for motivated engineers to join our team on our mission. The... ...WHOOP wearable sensor, mobile apps, and the Cloud backend. The team collaborates closely with the Firmware, Software, and Data Science teams in order to provide seamless...SuggestedFull timeWork at officeRelocation
$185k - $225k
...people to join us as we scale. Join us as we build the future of AI in healthcare! About The Role We're looking for a Senior Backend Engineer to help define the future of AI-powered, human-led healthcare. You'll sit on our Platform & Integrations team, owning the core...SuggestedRemote work- ...developers across the company to proactively address Data Rights concerns and engineering challenges. Work in a cross functional team that works closely with multiple teams including, Software, Product, InfoSec, GRC, IT and Legal Manage and improve Transcend system...SuggestedFull timeWork at officeRelocation
- ...environmental impact. POSITION SUMMARY We are seeking a Senior Backend Engineer to join our Implementation Engine team, with a specific focus... ...our extensibility infrastructure. # Uphold and evolve our software engineering standards, including code quality, testing, CI/CD...Suggested
$90k - $125k
...the factory of the future. We’re seeking an exceptional Backend Engineer to join and help build the core implementation of our cloud‑... ...year Our pay ranges are established per Pave Compensation Software. We’re also proud to offer equity in our fast-growing startup...SuggestedFull timeLocal areaFlexible hours- ...Description Job Description RESPONSIBILITIES: Collaborate closely with product managers, designers, and fellow engineers to develop scalable and reliable backend services. Build, maintain, and optimize APIs and infrastructure supporting our acquisition funnels, e-...
$125k - $175k
...resting heart rate, and sleep quality to provide personalized insights into users' fitness, health, and recovery. As a Backend Software Engineer II, you will build on WHOOP’s generative AI capabilities to develop and maintain exciting, member-facing features that drive...Full timeWork at officeRelocation- ...global threats. Our teams combine advanced science, modern software engineering, and powerful analytics to build solutions that support critical... ...Full-Stack Delivery: Design and build robust backend REST services and responsive Angular frontends using clean,...H1bFlexible hours
$105k - $145k
...insights that improve fitness, health, and recovery. As a Software Engineer I, you will contribute to the design, development, and... ...RESPONSIBILITIES: Contribute to the development and maintenance of backend services and APIs that power WHOOP’s member-facing features...Full timeInternshipWork at officeImmediate startRelocation$147k - $237.5k
...understand. We are looking for experienced engineers with a strong product sense who asks "... ...Strong experience in one or more backend languages (e.g., Go, Java, Python, Rust)... ..., Cursor, Claude) as part of day-to-day software development Experience building and operating...Remote work$150k - $215k
...monitors vital physiological metrics to offer personalized insights that enhance fitness, health, and recovery. As a Senior Software Engineer (Backend) focusing on Core & Ecosystem, you will play a critical role in building and scaling the foundational systems that power...Full timeWork at officeRelocation$150k - $215k
...deeper understanding of their bodies and daily lives. WHOOP is hiring a Senior Software Engineer to join the Business Systems team. In this role, you will design and implement the backend systems that power WHOOP’s internal operations, enabling scale and efficiency...Full timeWork at officeRelocation- ...leader in professional tools and equipment. As an Full-Stack Software Engineer , you will work hand in hand with our engineering and design... ...Background React/React Native experience Frontend and backend experience (SQL, HTML/CSS, JS/TS, Node, Redux, Python, APIs)...Full time
$120k - $140k
...diversity. We value independent and critical thinking. We're looking for an experienced Software Engineer to join our team. In this role, you'll help design and develop backend systems, implement compelling user experiences, work on system architecture, and build...Full time- ...technology. MORSE boasts a specially selected team of scientists, engineers, and software developers to deliver best-in-class technical solutions... ...Implement web page UIs from design documents Write backend APIs that interact with cloud services Work closely with...Full timeWork experience placement
$100k - $145k
...Full-Stack Software Engineer Location: Boston, MA (Hybrid — 2 days per week in office) About Us Clasp is a venture-backed, mission-... ...You’ll contribute meaningfully across the stack—frontend, backend, and infrastructure—while learning from experienced engineers...Full timeWork at officeWorldwideFlexible hours2 days per week$110k - $153k
...of America: Boston Join a collaborative engineering team dedicated to modernizing a large-scale... ...‑facing UI experiences, integrate backend APIs, and leverage AI‑assisted tools to... ...experience building and supporting production software in a professional engineering...Temporary workFlexible hours$110k - $153k
...Join a collaborative engineering team dedicated to modernizing a large-scale enterprise loyalty... ...-facing UI experiences, integrate backend APIs, and leverage AI-assisted tools to... ...experience building and supporting production software in a professional engineering...Temporary workH1b- ...About the Role Klaviyo is looking for a Backend Engineer to support key initiatives that enhance our product offerings and drive company... ...the boundaries of what’s possible for our customers. As a Software Engineer II, you’ll tackle complex challenges, explore multiple...Full timeImmediate start
- ...We are seeking a product-minded Software Engineer to join our core team. In this role, you’ll take ownership across the entire product stack designing and building backend systems, spanning into frontend when the product demands it, and bringing genuine product instinct...Full time
- ...Description Senior Software Engineer About Veson : Veson Nautical is a well - established and rapidly growing software... ...with Nest .js or comparable structured, opinionated backend frameworks (e.g., Express, Fastify ) Proficiency in working...Full time
- ...Senior Full Stack Software Engineer Date: July 2025 Location: Remote Job Type: Consultant Reports to: Director of Technology Housing Navigator Massachusetts, Inc. (HNMI) is a 501(c)(3) mission-driven non-profit organization dedicated to creating high-quality, actionable...Work at officeRemote work2 days per week
- ...Rippling, just to name a few. Our focus is on building software with care and craftsmanship and our engineering blog posts offer a taste of that. Backed by... ...across millions of events Implement a search backend that allows users to search in real time across billions...Full timeWork at officeVisa sponsorshipFlexible hours
- ...Software Engineer Boston/NYC OnCorps AI is the leading enterprise Agentic AI solution for middle and back-office automation. The company... ...Key Responsibilities Design, build, and maintain robust backend APIs and services using Python to power the core application...Full time
- ...Pickle is looking for a Backend Software Engineer to join our Software Architecture team, focused on building scalable systems that support robotic workflows. This role sits at the intersection of software engineering and robotics infrastructure. You'll work closely with...Work at office3 days per week
$112.93k - $225.87k
...Senior Software Engineer (Go) Catapult is building the future of sports performance technology, with a mission to Unleash the Potential... ...platform, shipping production changes confidently across our backend services and contributing to active work like our unified entitlement...Full time- ...mind and a secure retirement? We are on the hunt for a Senior Software Engineer who embodies the spirit of entrepreneurship and excellence,... ...layers of our AWS based technology stack: data, application backend, web-based user interface and external APIs. Innovation :...Full timeWork at office
$131.08k - $174k
...development, test and production. Participate in software design for features and bug fixes under... ...'s degree in Computer Science, Computer Engineering, Software Engineering, Electronics... ...involving the following: Providing backend support using RPC and MongoDB; Designing...Full timeInternshipRemote work2 days per week$140k - $170k
...Visit to learn more. Perk is growing its engineering footprint in North America, and we're looking for a Senior Software Engineer to help us do it right. You'll play... ...comprehensive testing (e.g., E2E/Cypress). Backend Excellence: Engineers sophisticated backend...Full timeWork at officeImmediate startWorldwideRelocation package3 days per week$166k - $220k
...assembled a diverse team of experts in software, robotics, artificial intelligence, sensor... .... About the Job Software Engineers independently drive the delivery of a variety... ...Qualifications Experience writing backend services or embedded software in C++, Rust...Full timeWork experience placementImmediate startRemote workFlexible hours
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