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Full Stack Engineer - Backend United States Jobs (On-site work)

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Full Stack Engineer
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Join a pioneering Silicon Valley AI startup as a Full Stack Engineer. Work directly with founders to build next-gen developer tools from zero to one. Requires 10+ years of expertise in modern JS/TS frameworks, cloud microservices, and scalable architecture. Receive equity and shape the future of ...
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United States , Sunnyvale
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180000.00 - 200000.00 USD / Year
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80Twenty
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Senior Full Stack Engineer
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Join our client's team in West Hollywood as a Senior Full Stack Engineer. Leverage your 5+ years of expertise in Java and TypeScript to design and deploy innovative, full-stack applications. You will build scalable solutions, manage CI/CD pipelines, and thrive in a dynamic startup environment. Th...
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United States , West Hollywood
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Not provided
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Robert Half
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Founding Engineer (Full Stack Web)
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Join Pax Historia, a fast-growing YC-backed alternate-history game, as a Founding Full Stack Engineer. You'll build and ship features to hundreds of thousands of players using NextJS, TypeScript, and modern tools like Firestore & Supabase. This San Francisco role offers significant equity (0.25%-...
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United States , San Francisco
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150000.00 - 215000.00 USD / Year
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YC Work at a Startup
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Founding Engineer (Full-Stack)
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Join Uplane as a Founding Full-Stack Engineer in San Francisco. Build our core AI system using TypeScript, Node.js, and Nuxt/Vue with PostgreSQL. Be a key early employee, own the product lifecycle, and solve a massive problem in marketing tech. We offer visa sponsorship for this on-site role.
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United States , San Francisco
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150000.00 - 200000.00 USD / Year
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YC Work at a Startup
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Founding Full-Stack Engineer
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Join Truth Systems as a Founding Full-Stack Engineer in San Francisco. You'll build our core trust & safety platform from 0→1 using React, TypeScript, Next.js, and Python. We seek a product-focused, empathetic builder with strong full-stack skills. Receive meaningful equity (0.3-1%) and comprehen...
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United States , San Francisco
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200000.00 - 250000.00 USD / Year
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YC Work at a Startup
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Full-Stack Software Engineer
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Join Gupta Media in Boston as a Full-Stack Software Engineer. Utilize your 3+ years of experience with Java, React, and modern front-end tools to build interactive web applications. Enjoy comprehensive benefits including health insurance, 401(k), and professional development. Collaborate with cre...
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United States , Boston
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90000.00 - 130000.00 USD / Year
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Gupta Media
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Full Stack Engineer
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Join a pioneering Silicon Valley AI startup as a Full Stack Engineer. Work with the founding team to build next-gen developer tools from zero to one. Leverage 10+ years of expertise in modern JavaScript/TypeScript, cloud platforms, and scalable microservices. Receive equity and shape the future a...
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United States , Sunnyvale
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180000.00 - 200000.00 USD / Year
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80Twenty
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Full-Stack Software Engineer
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Join Athelas as a Full-Stack Software Engineer in Mountain View. Use Python, React/Vue, and cloud tech to build AI-driven healthcare products. Enjoy a fast-paced environment with unlimited PTO and comprehensive benefits. Help revolutionize patient care through full-stack development.
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United States , Mountain View
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120000.00 - 180000.00 USD / Year
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Helpcare AI
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Senior Manager, Software Engineering, Full Stack People Leader
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Lead a team of full-stack engineers to build innovative, cloud-based solutions at Capital One. This senior manager role requires 6+ years of software engineering and 4+ years of people management experience. You will drive technology transformation using JavaScript, Java, Python, and AWS. We offe...
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United States , McLean; Plano; Richmond
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209000.00 - 262400.00 USD / Year
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Capital One
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Full Stack Software Engineer, Lead
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Lead the modernization of a critical mission system as a Full Stack Software Engineer. Utilize your expertise in C++, Java, Linux, and Agile methodologies to transition legacy data flows to a modern architecture. This Fort Meade-based role requires a TS/SCI clearance with polygraph and offers com...
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United States , Fort Meade
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112800.00 - 257000.00 USD / Year
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Booz Allen Hamilton
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Full Stack Engineer
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Join a pioneering Silicon Valley AI startup as a Full Stack Engineer. Shape next-gen developer tools with 10+ years of full-stack expertise in modern frameworks and cloud platforms. Work onsite in Sunnyvale, collaborating closely with founders and earning equity in a high-growth venture.
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United States , Sunnyvale
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180000.00 - 200000.00 USD / Year
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80Twenty
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Lead Software Engineer, Full Stack (Global Payment Network)
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Lead Full Stack Software Engineer for our Global Payment Network. Drive transformation using JavaScript, Java, Python, and cloud services like AWS. Lead diverse projects and mentor a team in a collaborative, innovative environment. Based in McLean, VA, Chicago, IL, or Riverwoods, IL, with competi...
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United States , Riverwoods, Illinois; McLean, Virginia; Chicago, Illinois
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179400.00 - 225100.00 USD / Year
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Capital One
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Lead Software Engineer, Full Stack (Global Payment Network)
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Lead Full Stack Software Engineer role within our Global Payment Network. Drive transformation using JavaScript, Java, Python, and cloud services like AWS. Lead diverse projects and mentor a team in a collaborative, innovative environment. Competitive benefits and performance incentives in McLean...
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United States , Riverwoods; McLean; Houston
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179400.00 - 225100.00 USD / Year
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Capital One
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Full Stack Engineer
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Join a pioneering Silicon Valley AI startup as a Full Stack Engineer. Shape next-gen developer tools with 10+ years of full-stack expertise in modern frameworks and cloud platforms. Work onsite in Sunnyvale, collaborating directly with founders and earning equity in a high-growth venture.
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United States , Sunnyvale
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180000.00 - 200000.00 USD / Year
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80Twenty
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Senior Solutions Engineer - Full Stack Developer
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Join our team as a Senior Solutions Engineer - Full Stack Developer in Cleveland. Design and deliver enterprise solutions using Salesforce, Workday, and Microsoft Power Platform. Translate business needs into technical solutions with a focus on AI integration and workflow automation. Enjoy compre...
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United States , Cleveland
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140000.00 - 150000.00 USD / Year
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Signify Technology
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Software Engineer, Full Stack
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Join Capital One as a Full Stack Software Engineer in Riverwoods, McLean, or Chicago. Use JavaScript, Java, or Python with AWS to build cloud-based solutions in an Agile environment. Enjoy a collaborative culture, competitive benefits, and performance incentives while driving financial empowerment.
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United States , Riverwoods; McLean; Chicago
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123300.00 - 154800.00 USD / Year
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Capital One
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Senior Software Engineer, Full Stack
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Join Capital One as a Senior Full Stack Software Engineer. Drive transformation using JavaScript, Java, Python, and AWS in a collaborative Agile environment. Develop cloud-based solutions in McLean, Richmond, or Plano, with competitive benefits and incentive compensation. Be part of a disruptive ...
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United States , Richmond, Virginia; McLean, Virginia; Plano, Texas
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147100.00 - 184600.00 USD / Year
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Capital One
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Senior Software Engineer, Full Stack (Global Payment Network)
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Join Capital One as a Senior Full Stack Software Engineer on our Global Payment Network. You will design and deliver robust cloud-based solutions using JavaScript, Java, TypeScript, SQL, Python, or Go. Collaborate in Agile teams, leverage AWS, and drive financial empowerment for millions. This ro...
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United States , Riverwoods, Illinois; McLean, Virginia
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147100.00 - 184600.00 USD / Year
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Capital One
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Founding Engineer: Product-Focused Full-Stack Developer
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Join as a Founding Engineer to build autonomous AI agents for e-commerce support. You'll own full-stack features using Next.js, Python, and AWS, working in rapid build-measure loops. This New York-based role offers significant equity to a developer who ships quality code and leverages AI tools da...
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United States , New York
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150000.00 - 250000.00 USD / Year
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YC Work at a Startup
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Full Stack Engineer
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Join a pioneering Silicon Valley AI startup as a Full Stack Engineer. Work directly with founders to build next-gen developer tools from zero to one. Leverage 10+ years with modern stacks (React, Node, AWS) in a fast-paced, equity-backed environment. Shape the future of AI in Sunnyvale.
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United States , Sunnyvale
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180000.00 - 200000.00 USD / Year
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80Twenty
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A Full Stack Engineer specializing in backend jobs is a versatile and highly sought-after software professional who possesses expertise across the entire technology stack, with a pronounced depth in server-side logic, databases, and application architecture. This role is central to building the robust, scalable engines that power modern web applications, APIs, and digital services. While proficient in frontend technologies to ensure cohesive integration, their primary focus and value lie in designing, implementing, and optimizing the complex backend systems that handle data, business logic, security, and performance. Professionals in these roles typically shoulder end-to-end responsibility for feature development and system health. Common responsibilities include designing and developing secure, high-performance APIs and microservices; architecting and interacting with both SQL and NoSQL databases; writing clean, maintainable, and tested server-side code; and ensuring system reliability through monitoring, debugging, and participating in on-call rotations. They are deeply involved in the entire software development lifecycle, from concept and design through testing, deployment, and iteration. A critical aspect of the job is collaborating closely with frontend engineers, product managers, and DevOps specialists to translate business requirements into technical solutions, often making key architectural decisions that impact scalability and long-term maintainability. The typical skill set for these backend-focused full stack jobs is comprehensive. Core technical requirements almost always include advanced proficiency in one or more backend programming languages such as Java, Python, C#, or Node.js, alongside frameworks like Spring Boot or Django. Expertise in RESTful API design, cloud platforms (AWS, GCP, Azure), and containerization technologies like Docker and Kubernetes is standard. A strong grasp of database management, data modeling, and caching strategies is essential. On the frontend, practical knowledge of JavaScript, TypeScript, and a modern framework like React, Angular, or Vue.js is necessary for effective integration. Beyond technical prowess, successful candidates demonstrate strong problem-solving abilities, a commitment to software best practices (including Agile methodologies, CI/CD, and code reviews), and excellent collaboration skills. Many positions also seek experience in mentoring junior engineers and advocating for technical excellence. For those seeking dynamic and impactful backend jobs, the Full Stack Engineer path offers the unique advantage of holistic system understanding. It allows professionals to not only build the foundational logic of applications but also to see how it connects to and enables the user experience, making them invaluable assets in any technology-driven organization. This blend of deep backend expertise with complementary frontend skills opens doors to a wide array of opportunities across industries, from startups to large enterprises.

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