Join the MediaWiki Platform team to design, improve, and maintain core MediaWiki components and shared platform capabilities (authentication, caching, rate limiting). The role emphasizes backend engineering, system design, observability, CI/CD, incident response, performance, scalability, and mentoring in a fully remote, distributed team.

Remote Senior Backend Engineer role at DuckDuckGo focused on developing performant, testable backend systems and data pipelines (Perl v5, Go, Node.js). Responsibilities include implementing AI-assisted features for Search and Duck.ai, maintaining search relevancy, mentoring engineers, and collaborating cross-functionally. Compensation listed at $178,500 USD/year plus stock; role expects ~40 hours/week and travel ~2 times/year for company meetups.

Capchase seeks a Senior Tech Generalist with 5+ years building production-scale software to design, develop, and maintain customer-facing and internal systems, own core financial systems (payment orchestration, ledger, underwriting, reconciliation), integrate third-party financial APIs, and improve scalability, reliability, and observability. Proficiency in TypeScript and Node.js is required; Kubernetes, BigQuery, and GCP familiarity are bonuses.

Wizeline seeks a Senior .NET Software Engineer based in Spain. Must-haves include cloud computing experience, solid understanding of event-driven distributed systems and message brokers, strong SQL skills, daily use of IaC and CI/CD, strong observability and scalable design practices, and the ability to mentor and lead smaller initiatives. Clear and confident English communication is required. Familiarity with AI tooling is listed as a nice-to-have.

Senior, hands-on Staff Product Engineer (Ruby on Rails). Remote role owning hard PRs and end-to-end product areas (billing, enterprise auth, API, dashboard, infra), responsible for performance, security, mentoring via code review, and shipping production Rails code. Fluent English and prior Stripe/billing experience required.

SearchApi seeks a remote Ruby Engineer to build and maintain web-scraping integrations and browser automation (CDP), tackle anti-bot evasion, optimize concurrency, and support production systems at scale. The role involves debugging production issues, reverse engineering protections, contributing across the stack (Ruby on Rails, PostgreSQL, Redis, Sidekiq), customer-facing support, and improving monitoring and infrastructure (Terraform, AWS, Prometheus, Grafana).

Work directly with CEO/CTO to design and build Bask Health's serverless telehealth backend. Responsibilities include end-to-end ownership of services, writing well-tested code, prototyping with LLMs (Claude, Cursor), building for scale and reliability, and collaborating across the team. Required technical focus areas include Next.js, SST, TypeScript/JavaScript, Node.js, SQL databases and AWS services.

Work directly with CEO/CTO to design and build Bask Health's serverless telehealth platform. Responsibilities include end-to-end ownership of services and surfaces, writing tested TypeScript/JavaScript code, prototyping with AI tools (LLMs, Cursor, Claude), and building for scale, performance, accessibility, and reliability using Next.js, SST, Node.js, SQL, Drizzle and AWS services.

Kodify is hiring a Senior Full-Stack Developer to help evolve a platform serving ~100M unique visitors/month. Responsibilities include technical design, development, testing, performance optimization (metrics, distributed tracing), and collaboration with product and design. Role supports remote work within the EU (core hours 10:00–15:00 CET) or optionally in the Barcelona office. Required: ≥4 years full-stack experience, expertise in React and Node.js, NoSQL, Docker, JavaScript/TypeScript, browser APIs, and experience using agentic AI development tools. Nice-to-have: MongoDB, Redis, Express, Fastify, GraphQL, RabbitMQ, AWS, Next.js, Redux, microservices and DDD experience.

Planner 5D is hiring a Senior Python Engineer to develop production-ready systems that support the AI lifecycle: data collection/processing pipelines, tooling for pre/post-processing, and deploying models at scale (Triton Inference Server, ONNX, TensorRT). The role works closely with research and uses ChatGPT API and LangChain; requires strong Python, experience with Docker/Kubernetes, domain-driven design and clean coding practices. English Intermediate+ is required.