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FiltersBe part of the team that builds and owns the entire ecosystem of applications that researchers, institutional administrators, and federal partners will use to interact with N3C. As the Senior Full Stack Engineer of sophisticated, secure, and data-intensive web applications from the ground up, you will develop the Data Access Management Environment (DAME), the Phenotype Builder & Concept Set Explorer, and the Community & Education Portals.
This role is all about collaborating with your team to make a difference to your customers. As a backend engineer you’ll work in a squad alongside other disciplines to build the Monzo US application and work with squads across collectives. The company is looking for candidates with strong backend experience, a product mindset, and comfort working in an ambiguous environment.
You’ll design and scale the technology behind The Flex — powering instant bookings, smart access, automated processes, and predictive operations. You’ll work across front-end, backend, and cloud infrastructure, transforming complex operational problems into elegant, scalable solutions. You won’t just build features — you’ll create leverage, engineer automation, and lay the foundation for the intelligent rental infrastructure of tomorrow.
Build the foundation of The Flex platform by scaling the systems behind bookings, automated logistics, smart access, and predictive operations. You will take real-world processes and turn them into automated software that powers stays around the world. Your work will influence how people live, travel, and experience true flexibility across borders.
You will own the Sandbox-the space where ideas become real, customer-facing prototypes that often graduate into the product. This is a frontend-heavy role on the same stack as our core product (React), with a bias for speed, UX quality, and clean foundations that scale. Rough split: ~80% Sandbox & product-adjacent UI, ~20% growth web (marketing site, SEO, landing pages).
Make significant contributions in designing, developing, and optimizing scalable shared backend services using Java and serverless technologies. Contribute to design and implementation of RESTful APIs and event-driven systems. Contribute to the development of user-facing frontend components as needed. Collaborate with cross-functional teams, including Architects, Product Managers, and engineering leads, to deliver impactful solutions.
Trajector is seeking a highly talented Senior Software Engineer to build and enhance applications to power our next generation products and workflows. The ideal candidate will have a strong background in software development and experience working with AWS, Node.js, TypeScript, and React.
Key role in the development of our technical product domain, your expertise will guide team decisions, product capabilities and software architecture. Collaborating with a team of driven and experienced software engineers, you will work alongside colleagues who are passionate about proactively improving existing systems and ensuring long-term operational stability.
We are on the lookout for a passionate Fullstack Developer to join our team, with a strong background in Web Application Development, especially in Python and React and flexibility and eagerness to adapt and learn new technologies. Responsibilities include developing and maintaining web applications, utilizing AI tools, adding Generative AI features, and ensuring application security and reliability, while collaborating with product managers, designers, and engineers.
The company is looking for a Senior Software Developer to design, develop and maintain robust back‑end systems, contribute to software architecture planning and write efficient, scalable and maintainable code. The tech stack consists of a Ruby on Rails backend using the graphql‑ruby gem and a customer portal built with Next.js. Spanish is still used for day‑to‑day collaboration.