Work on GitLab’s Agent Tools within AI Engineering to design, implement, and maintain backend features (Ruby on Rails) including GraphQL/REST APIs, background jobs, and automated tests. Collaborate cross-functionally on AI integrations, improve observability, and participate in Tier 2 on-call rotations. Familiarity with PostgreSQL, SQL, and experience with AI tooling is expected; Python and Vue experience are a plus.

Ashby is hiring Design Engineers to work on product-scale UI/UX and implement features end-to-end. The role requires strong visual design and engineering skills (minimum 2 years experience for this posting), with frequent work on the design system, wireframing, prototyping, and shipping code using TypeScript, React, GraphQL, Node.js, Postgres, and Redis. Locations listed: Manchester, Oxford, London, Cambridge (United Kingdom).

Kinsta seeks an Internal Tools Developer to build and maintain custom tooling for Technical Support, Billing, Customer Success, Malware & Abuse, and Migrations. Responsibilities include developing API-integrated tools, leveraging AI where appropriate, assisting with server administration, and supporting end users. Remote-first, flexible environment; English fluency required.

Wikimedia Foundation seeks two remote Software Engineer III (web full-stack) to join Core Experiences — App Growth or Editing teams — to build web-first product experiences, APIs, integrations and reusable components across mobile web and native app surfaces. Role requires at least a Bachelor's and 2 years' professional web application experience and experience with backend (PHP/Python) and/or frontend (JavaScript frameworks), responsive/mobile-first design, observability and testing.

Join Wikimedia Foundation's App Growth team to design and implement web-first product experiences, RESTful APIs, and integrations that work across mobile web and native apps. Responsibilities include leading delivery of medium-complexity initiatives, frontend and backend implementation, observability, testing, cross-functional collaboration, prioritisation, and mentorship. Requires a bachelor's degree and 5+ years professional experience, strong JavaScript/TypeScript skills and frameworks (Vue.js or React), and experience with at least one backend language (e.g., PHP, Python, Java, Go). Position is fully remote with hiring available in a specified list of countries; US-based pay range provided.

CircleCI seeks a Software Engineer (remote, UK) with 3+ years production full-stack experience, backend-leaning and strong Go expertise. Role emphasizes AI-native engineering, CI/CD, system design, observability (Honeycomb, Datadog, Rollbar), and operating reliable distributed services. Salary range: £76,500–£95,000 GBP.

Remote Senior Software Engineer for Application Core Services focused on designing, building, operating, and evolving production backend services, APIs, and integrations (e.g., NetSuite, Salesforce) that support customer lifecycle workflows and internal business operations. Role involves full-stack contributions, ownership of services (including on-call), improving CI/CD and test coverage, and collaborating across distributed teams. Candidates considered in Germany, Ireland, Sweden, Spain, and the UK.

Ashby is hiring a Staff Design Engineer in the United Kingdom to design and implement UI/UX at scale and contribute to the company design system. The role expects strong visual design and engineering skills (minimum proficiency with TypeScript, React, and CSS) and involves building composable components, wireframing, prototyping, and shipping features used by a large user base. The team’s tech stack includes TypeScript, React, GraphQL, Node.js, Postgres, and Redis. The posting describes the interview process (intro, technical/design screens, deep dive) and highlights rapid shipping, ownership of end-to-end projects, and collaboration with product and design.

Ashby is hiring a Senior Product Engineer (full‑stack) based in the UK (Manchester, Oxford, London, Cambridge). The role owns large product areas end‑to‑end—researching problems, writing product specs, wireframing, and implementing features such as automated interview scheduling and a declarative filter system. Tech stack: TypeScript (frontend & backend), React, GraphQL API, Node.js, Postgres, Redis. Interview process includes a hiring manager screen, a live pairing technical screen in the codebase, and three non‑coding interviews focused on product thinking, technical design, and infrastructure. Benefits mentioned: competitive salary and equity, unlimited PTO, minimum 12 weeks paid parental leave, equipment budget, education budget, and health insurance (US and supplemental internationally).

Ashby is hiring a Staff Product Engineer (full-stack) in the United Kingdom. The role involves end-to-end ownership of large product areas: researching competitors, writing product specs, building wireframes, prototyping, and implementing features using a stack that includes TypeScript, React, GraphQL, Node.js, Postgres, and Redis. The posting describes a minimal-process, high-ownership engineering culture and an interview process with pairing in the real codebase and product/design-focused interviews.

Olo is hiring a Fullstack Software Engineer for the Catering team to design, build, and monitor solutions for online and high-value catering orders. Role is fully remote within Northern Ireland and requires 3+ years of software engineering experience, commercial experience with C#, .NET and TypeScript (React or similar), familiarity with AWS, containerization (Docker, EKS), unit testing, and participation in on-call duties. The role involves architecture and design, incident response, delivery pipeline ownership, and collaboration with product and design stakeholders.

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).

Join Flexera as a Senior Software Engineer to design and implement web applications using C#/.NET and JavaScript frameworks (React, Angular). Responsibilities include full product lifecycle work (requirements, architecture, coding, testing), performance and security improvements, prototyping and pair programming. Advanced English is mandatory.

Human Made seeks a freelance Senior Web Engineer to join its distributed team remotely. The role requires deep WordPress knowledge (internals and ecosystem), strong PHP and JavaScript skills, experience with REST APIs, Git, MySQL, debugging, performance and security, and the ability to architect complex subsystems and contribute to team activities.