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Senior Full Stack Engineer ( .NET, Vue.js and TypeScript)
Remote (Poland-based) B2B contract role for a Senior Full Stack Engineer who builds, deploys, and maintains cloud applications — .NET backend services and APIs with Vue.js/TypeScript frontends on Microsoft Azure — while supporting testing, CI/CD, monitoring, and Agile delivery for digital projects.
Senior Full Stack & Integration Developer
Senior full-stack developer to own internal R&D applications end-to-end: building cloud/browser software with TypeScript/Node.js, Vue 3/Nuxt and MongoDB, integrating ERP/CRM systems and shipping LLM features, while acting as the team's technical lead on architecture, releases and CI/CD.
Sr. Software Engineer, Fullstack (UK)
Senior full stack engineer at Firstup building and owning scalable, multi-tenant SaaS services for its employee communications platform — spanning frontend, backend, and data layers. Work emphasizes reliability and performance, shift-left testing, AI-assisted development, and mentoring, using Ruby on Rails, TypeScript, Node.js, Go, and React.
Senior Full Stack Software Engineer — Remote
Senior full stack engineer building web applications, backend services, and RESTful APIs with Python, React, JavaScript/TypeScript, and some C#. Fully remote contract role on a small distributed team, covering feature delivery, code reviews, troubleshooting, and architectural decisions.
Senior Software Engineer (Full Stack)
Senior full-stack engineer at Rec, a Series A startup building a booking and management platform for recreation (court reservations, classes/lessons, payments, permitting). Day to day you own end-to-end features across Next.js/React/TypeScript, Node.js/Koa/PostgreSQL on AWS/Temporal, using AI tools like Claude Code daily. In-office in San Francisco.
Senior Full Stack Engineer (Remote, Europe, Contract)
Senior full-stack engineer at Atelix, an AI platform ('AI operating system') for interior design and architecture studios. You own features end-to-end on a TypeScript/Node.js/React/PostgreSQL stack on Google Cloud, build integrations (Xero, Stripe, Outlook/Gmail) and AI assistant features. Remote contractor role from Europe, €35k–50k plus 0.5–1.5% equity.
Senior Full-Stack Engineer, Server-Side Tracking (Founding Engineer)
Founding engineer building RixelAI, a server-side tracking platform that lets health/wellness brands advertise on Meta without losing conversion data: automated Stape/GTM pipelines, health-data scrubbing, identity resolution, and a Next.js/Supabase dashboard. Core stack is TypeScript and Node.js.
Senior Full Stack Engineer (.NET)
Niuro is staffing a Senior Full Stack Engineer for a US fintech that funds small businesses. Day to day: build secure API/webhook integrations, .NET Core backend services (with some Python/Node.js), Angular/React frontends, OAuth2/JWT auth, and CI/CD with logging and monitoring. Fully remote, monthly USD contract.
Senior Full-Stack Engineer (Full-time, Remote, React, Node.js, AWS)
Senior full-stack engineer owning Pixory's e-commerce platform for personalized photobooks end to end: pixel-perfect React/Next.js frontends (including canvas-based design tools), Node.js APIs, and AWS infrastructure, with print/PDF production pipeline work. Lean, fully remote team.
Senior Software Engineer - Full Stack
Senior full-stack engineer at Tanium who designs, builds, tests, and deploys endpoint-management products end to end — backend services and APIs (Golang/Node.js, Postgres, GraphQL) plus React/TypeScript frontends — on small agile teams, working three days per week from one of four US offices.
Senior Full Stack Software Engineer - Payments
Senior full-stack engineer at Houzz Pro, the AI-powered business management SaaS for the build & design industries, focused on payments. Day to day: owning features end-to-end, architecting resilient microservices, and building with Node.js, React, GraphQL, and PostgreSQL while leveraging AI coding tools.
Senior Full Stack Software Engineer AI Native Engineering
Senior hands-on full-stack engineer building Kappture's POS/payments platform for stadiums and hospitality venues with React/TypeScript frontends, C#/.NET services, REST APIs and SQL, while also designing the company's AI-native development lifecycle (agents, MCP integrations, standards, evaluations). Remote or hybrid within the UK or Ireland.
Senior Fullstack (.NET/Python) Engineer
Senior fullstack engineer building middleware APIs and agentic client-due-diligence services in .NET and Python, connecting Salesforce, Databricks/SQL, and legacy AS400 cores for a Dutch insurance client of a banking/insurance AI consultancy. Long-term remote contract (until July 2027), Docker/CI-CD delivery, EU-based candidates only.
Senior Full-Stack Engineer
Senior Full-Stack Engineer at Zynap builds and owns features end to end on an AI-native platform: Go and Python microservices, event-driven pipelines, and a React + TypeScript front end. Agents and LLM-powered workflows are core to the product, and AI coding tools are core to the workflow. On-site in Barcelona.
Senior Full Stack Engineer
Senior Full Stack Engineer building healthcare data platforms that connect and activate health records using Python, Go, TypeScript, React, AWS, and Snowflake.
Senior .NET Full Stack Developer
Contract role for a senior .NET full-stack developer in Vienna: developing, testing, and maintaining applications using .NET Core, C#, Entity Framework, SQL Server, and the Elastic stack, plus documentation, QA support, and full SDLC participation. Requires 5+ years of .NET experience, fluent English, and Vienna-based or willing to relocate.
Senior Développeur Full Stack Fintech Banque
Senior full-stack developer at Okali, a subsidiary of La Fabrique by CA, building critical, regulated payment systems in Paris — working across the whole technical chain from data model to UI. Stack: Node.js, TypeScript, NestJS/Fastify, Prisma, PostgreSQL, AWS, and React.
Senior Full Stack Engineer
Senior Full Stack Engineer at Solace, a Series C healthcare startup that pairs patients with expert advocates. You'll independently own features end to end — from design requirements through daily deployments — building user-facing features and APIs with TypeScript, React, NestJS, Postgres, Redis, and GCP.