334 Best api developer Jobs in London (June 2025)

we are building AlgoRisk AI – a next-generation platform that uses AI to transform how banks develop and govern financial models. We’re currently working on a number of projects across using GPT-4, React, Supabase, and modern LLM tools. This is a confidential, real-world project (not open-source). I’m inviting a small group of motivated contributors to work with me as unpaid interns or collaborators. What You’ll Gain: • Official Certificate of Contribution (AlgoRisk AI) • Mentorship from a fintech founder • Hands-on experience with real-world AI tooling • Strong reference or letter for future roles • Chance for future paid work post-MVP ⸻ Key Skills Needed (any 2–3 of these is enough): • React / Next.js (Frontend) • Supabase (Database + Auth) • OpenAI API (GPT-4/4o chat completion) • JavaScript or TypeScript • CodeMirror or Monaco Editor • Python / FastAPI (nice to have) • GitHub + version control • Curiosity to learn and build fast ⸻ Commitment: • Remote, flexible hours (20-30 hrs/week) • 3–5 weeks (initial phase) • Start immediately ⸻ How to Apply: DM us with: • Your name and country • LinkedIn or GitHub profile • A short sentence on why you’re interested Let’s build something impactful together.

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Delex Solutions

Guidewire Functional Architect

2 months ago

£80000–£100000 yearly

Full-time

London

A leading London Market Insurance company are looking to hire 2 x roles: 1 x Guidewire PolicyCenter Functional Architect 1 x Gudiewire ClaimCenter Functional Architect Both roles will be hired on a permanent basis in London (Hybrid working). The Guidewire Functional Architect will play a key role in designing and implementing Guidewire PolicyCenter & ClaimCenter InsuranceSuite application to the new Cloud version. You will focus on the functional side of the project — understanding and translating insurance processes into Guidewire configurations and solutions. Core Responsibilities: - Work with business stakeholders to gather and interpret requirements. - Translate business processes into functional specifications and system behaviour. - Design Guidewire workflows, UI screens, product models, and business rules. - Collaborate with technical architects and developers to ensure the solution is technically feasible and aligns with the business vision. - Conduct gap analysis and identify areas for configuration vs. customization. - Lead or support functional testing, UAT, and production rollout activities. Required Skills and Experience: Functional Skills: - Strong understanding of P&C insurance processes - Deep familiarity with Guidewire PolicyCenter or ClaimCenter product configuration. - Experience writing functional specs and use cases. - Business process mapping and gap analysis. Technical Acumen: - Understanding of Guidewire Data Model and GOSU (helpful for collaboration). - Knowledge of integration approaches (e.g., APIs, messaging, web services). - Functional specifications and configuration designs. - UI/UX mockups or workflow diagrams. - Test case definitions and support during QA/UAT. - Change requests & impact assessments Soft Skills: - Excellent communication and stakeholder management. - Ability to bridge the gap between business and technical teams. - Leadership and facilitation skills. Salary: £80,000 to £100,000 per annum Please apply now.

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