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    • Build and operate a company-wide foundations platform that accelerates every team by providing reliable, scalable developer infrastructure, SRE capabilities,…
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Job Post Details

Member of Technical Staff - Applications - job post

Reflection
3.6 out of 5 stars
London
Full-time
You must create an Indeed account before continuing to the company website to apply

Job details

Job type

  • Full-time

Location

London

Benefits

Pulled from the full job description

  • Annual leave
  • Unlimited paid holidays

Full job description

Our Mission

Reflection is a research lab making intelligence open and accessible for everyone to use, customize, and build on. We build open models that let anyone control their intelligence and help shape the future of AI. Our mission: make intelligence open and accessible to all.

Foundations

Vision:

Build and operate a company-wide foundations platform that accelerates every team by providing reliable, scalable developer infrastructure, SRE capabilities, and high-throughput data ingestion tooling enabling Reflection to move faster as we scale.

What This Team Does

Build the internal and customer-facing product surfaces that turn platform capabilities into usable workflows. This role sits at the intersection of engineering and product translating ambiguous requirements into clean, operable systems and taking ideas from early prototype to hardened production components.

  • Build internal product surfaces such as dashboards, admin tools, and self-serve workflows.

  • Own end-to-end delivery across UI, APIs, authentication, RBAC, and audit trails.

  • Integrate with customer environments and adjacent systems to ensure seamless workflows.

  • Productionize prototypes into reliable, maintainable, and operable platform components.

  • Translate fuzzy product requirements into clear system designs and usable interfaces.

  • Feed delivery learnings back into platform patterns and defaults so the next system ships faster.

What You'll Work With

  • Full-Stack & API Development: React, TypeScript, REST, gRPC, FastAPI, Go services, API design.

  • Auth & Governance: OIDC authentication, RBAC, audit logging.

  • Workflows & Integrations: Event-driven systems, workflow orchestration, feature flags, customer integrations.

  • Monitoring & Developer Tooling: Dashboards, observability tooling, experiment tracking systems, metrics and log visualization.

About You

  • Strong full-stack engineering background with experience shipping production-grade applications end-to-end.

  • Comfortable owning the full delivery surface — UI through API through auth — without needing to hand off between layers.

  • Experience integrating with external systems or customer environments and making those integrations reliable and maintainable.

  • Thrive in a high-agency, fast-paced environment; bias toward action and impact.

  • Excited about zero to one challenges — turning prototypes into real systems rather than polishing existing ones.

  • Collaborative, clear communicator, comfortable working across research, platform, and product boundaries.

  • Motivated by building the tooling and workflows that let the world's most capable open-weight AI systems get built faster.

What We Offer:

We believe that to make intelligence open and accessible to all, you need to start at the foundation. Joining Reflection means building from the ground up as part of a talent-dense team. You will help define our future as a company, and help define the future of open foundational models.

We want you to do the most impactful work of your career with the confidence that you and the people you care about most are supported.

  • Top-tier compensation: Salary and equity structured to recognize and retain our talent globally.

  • Stock options: Everyone who joins and contributes to Reflection's success gets to share in the upside through stock options.

  • Health & wellness: Comprehensive medical, dental, vision, and life, with an annual wellness allowance.

  • Meals: Lunch and dinner are provided in the office daily.

  • Life & family: 22 weeks paid parental leave for all new birthing and non-birthing parents, including adoptive and surrogate journeys.

  • Vacation days: Unlimited paid time off in the U.S. and 30 days in the U.K.

  • Sponsorship support: We sponsor visas to help exceptional talent join our team and support long-term immigration pathways where applicable.

  • Team building: We have regular off-sites, happy hours, and team celebrations.

Export Control Notice: This position may require access to technology or source code subject to the U.S. Export Administration Regulations. Any offer of employment for this role may be conditioned on the Company's ability to provide the candidate with access to such technology or source code in compliance with applicable U.S. export control laws, which may require the Company to seek government authorization.

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