(Senior or Staff) Backend Engineer, AI tooling

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Backend Engineer, AI Tooling based in United Kingdom.

This is a high-impact engineering role focused on building the platforms, tooling, and AI-powered capabilities that help engineering teams move faster without compromising quality.
You’ll own complex technical initiatives end to end, from architecture and implementation through production operations and long-term evolution.
Your work will shape developer productivity, CI/CD, testing, observability, engineering insights, and AI-assisted development practices across the organization.
You’ll operate with significant autonomy, leading multi-quarter projects and turning complex technical challenges into measurable outcomes.
You’ll work closely with engineering leadership to influence technical strategy, challenge assumptions, and define the roadmap for your area.
The role combines hands-on backend engineering with technical leadership, mentorship, and ownership of systems used by other engineers every day.
It’s an opportunity to have a broad technical footprint while helping define how modern, AI-enabled software engineering teams operate.

• Own the architecture, development, deployment, and long-term evolution of developer platform and AI tooling capabilities.
• Lead multi-quarter technical projects, breaking complex initiatives into clear milestones and delivering measurable improvements iteratively.
• Build and operate systems covering developer productivity, CI/CD, observability and engineering metrics, code quality automation, testing infrastructure, and AI-assisted development.
• Lead the adoption and effective use of AI-powered developer tools and capabilities across engineering teams.
• Define technical direction for your area, anticipating longer-term challenges and developing scalable solutions and engineering capabilities.
• Partner with engineering leadership on roadmap and technical strategy, providing technical recommendations, challenging requirements where appropriate, and identifying alternative approaches.
• Mentor engineers through design collaboration, code reviews, technical guidance, and strong engineering practices.
• Take ownership of the operational health of systems, using data and feedback to guide improvements, maintenance, iteration, and deprecation.
• Ensure integrations with third-party APIs, SaaS products, and external platforms are reliable, secure, maintainable, and provide a strong developer experience.

Requirements:

• 7+ years of professional software engineering experience, including 2–3+ years operating at Senior or Staff level.
• Strong hands-on experience building and operating developer platforms, developer tooling, CI/CD systems, observability or metrics infrastructure, code quality automation, testing infrastructure, or related engineering systems.
• Demonstrated experience delivering infrastructure or tooling that measurably improves developer velocity, productivity, quality, or reduces engineering complexity.
• Previous experience leading the adoption of AI-powered developer tools or capabilities across an engineering organization.
• Experience working within a high-performing engineering environment, such as a scale-up or established technology organization, with a strong understanding of how infrastructure decisions affect developer productivity and product quality.
• Experience integrating third-party services, APIs, SaaS tools, or external platforms into internal systems, with strong attention to reliability, security, maintainability, and user experience.
• Strong understanding of how platform and infrastructure investments enable broader product and commercial outcomes.
• Experience owning significant technical areas end to end, including architecture, implementation, operations, and continuous improvement.
• Strong communication and collaboration skills, with the ability to influence technical decisions, work effectively with leadership, and mentor other engineers.
• High degree of autonomy, sound technical judgment, and the ability to make pragmatic trade-offs while knowing when to involve stakeholders or escalate decisions.

Benefits:

• Starting base salary of €130,000 / £130,000 / CHF 130,000, depending on location and applicable currency.
• Equity in the form of RSUs.
• Full-time employment; contractor arrangements are not available.
• Remote work options available in Romania, subject to applicable employment, compliance, and right-to-work requirements.
• 25 days of annual leave, plus applicable local public holidays.
• Employment typically managed through an international employment provider where required.
• Opportunity to work on AI-driven developer tooling with broad technical ownership and organizational impact.
• Collaboration with highly experienced engineering teams working at the forefront of AI-enabled software development.
• Visa sponsorship may be available for eligible candidates already located in a UK/EU country who require support; relocation is not provided.

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

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