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Développeur Full Stack H/F

Full-stack developer at Doxallia, a Crédit Agricole subsidiary, working in an agile squad on its remote identity-verification platform: designing and building features, writing technical specs and tests, and maintaining the application foundations. Core stack is C#/.NET and React/Next.js with Git/GitLab, APIs and Scrum; 5+ years of experience required.

Agile API C# .NET Git +4 skills

Développeur Full Stack – Authentification à distance

Full stack developer for DOXALLIA's remote authentication platform: technical analysis, developing and optimizing features, writing tests and specifications, and maintaining the application foundations. Core stack is C#/.NET on the backend and React.js/Next.js on the frontend, with Git/GitLab and Scrum.

Agile C# .NET Git GitLab +3 skills

Analytics Engineer DBT Databricks FP&A Logistique

New HybridEuropeStaff

La fonction FP&A d’un client se transforme avec la mise en place d’agents et de solutions d’automatisation au service du contrôle de gestion de l’activité logistique. L’Analytics Engineer intégrera l’équipe sous la…

AI Analytics AWS CI/CD Cloud +10 skills

ANGESP - GESTAO EM PERICIAS

Desenvolvedor Front-end Pleno

New On-siteLATAMMiddle

Descrição: Desenvolvedor Frontend Pleno Next.js + React + UI Requisitos Obrigatórios React com domínio de Hooks (useState, useEffect, useContext, useReducer, useMemo, useCallback) Next.js com App Router, Server…

API CSS Figma Git Next.js +8 skills

Semi-Senior Front-end Engineer - Entertainment

Open 23d RemoteLATAMMiddle

Truelogic, a nearshore staff augmentation firm, is placing a semi-senior front-end engineer with its client, an independent global news organization. Day to day you'll build responsive, accessible pages and reusable React/Next.js components for a new headless front-end, wire them to headless CMS content and REST/GraphQL APIs, write tests, and work in an AI-first workflow.

AI API ChatGPT GraphQL Integration Testing +5 skills

Sigma Computing

Technical Support Engineer

Open 139d North America, UKFull-time Licensed UK sponsor

About the Role Sigma is growing rapidly, and our Technical Support Engineering team is scaling alongside it to meet the needs of an expanding global user base. As a Technical Support Engineer at Sigma, you will be part…

Agentic AI AI Analytics API Automation +30 skills

Lead Software Engineer - Agentic AI, Java/Python

New North AmericaLead Ireland permit employer

Lead engineer at JPMorgan Chase building agentic AI on NEO, the firm's agent runtime platform for Payments Technology. Day to day: hands-on Python/Java engineering of agent execution, sandboxing, memory and retrieval, a Next.js front end, Kubernetes operations, and mentoring within the Commercial & Investment Bank data analytics team.

Agentic AI Agile AI Analytics Automation +21 skills

Oscar Technology

Fullstack Engineer

Fullstack engineer (5+ yrs) building an AI work-execution platform for alternative investment firms end to end: TypeScript/React front end, Python FastAPI/Django APIs, multi-tenant PostgreSQL, auth and LLM-powered features, shipped and operated on AWS. Hybrid role, 3 days onsite in central London.

AI API AWS CI/CD Claude Code +26 skills

Full-Stack Engineer — AI for Investment Research

New UK Licensed UK sponsor

Full-stack engineer at Junior, an early-stage AI company building an 'AI operating system' for investment research in London. You own features end to end across the TypeScript/Next.js frontend, backend, and PostgreSQL data layer, shipping weekly to paying customers and talking directly with clients from their Farringdon office.

AI Next.js PostgreSQL TypeScript

Octopus Energy Group

Senior Full-Stack Engineer: Python/React APIs & UX

Senior full-stack engineer at Octopus Energy Group building the electric car leasing platform: developing a Python/GraphQL backend and a React/Next.js frontend, owning feature delivery from inception to deployment and working with design systems to ship robust, maintainable software.

API GraphQL Next.js Python React

Senior Full Stack Engineer

New UKSenior Licensed UK sponsor

Senior Full Stack Engineer at Junior AI, an applied-AI company building the 'AI operating system' for investment research. You own features end to end across frontend, backend and data layer using TypeScript, Next.js and PostgreSQL, ship weekly on LLM-powered products, and work client-facing from the Farringdon office in London.

AI CRM LLM Next.js PostgreSQL +2 skills

130K – 150K £

Octopus Energy Group

Senior Full-Stack Engineer — Python + React for EV Platform

Octopus Energy Group is hiring a Senior Full-Stack Engineer in London to build the systems behind its electric car leasing platform: Python/GraphQL APIs and React/Next.js frontends for customers and internal users, backed by PostgreSQL/NoSQL on AWS, working in a cross-functional team with end-to-end ownership.

API AWS GraphQL Next.js NoSQL +3 skills

The Gym Limited

Hybrid Lead Full-Stack Engineer — React/.NET & Azure

New HybridUKLead

The Gym Group is hiring a Lead Full-Stack Developer in a hybrid London role to drive architecture and delivery across React/Next.js and .NET Core, mentor engineers, manage Azure cloud infrastructure, and govern AI-assisted tooling while promoting TDD, SOLID, and DevSecOps practices.

AI Azure Cloud DevSecOps .NET +3 skills

Full-Stack Engineer ×5

Full-stack engineer (one of 5 hires) building Descrial, a security-focused B2B platform for private-capital investment decisions by TresVista. Owns features schema-to-screen: TypeScript/React front end, async Python (FastAPI/Django) APIs, PostgreSQL on AWS, plus LLM-powered features. King's Cross, London, 3-5 days in office.

Agentic AI AI API Authentication AWS +42 skills

85K – 105K £

FISco (UK) Limited

Junior Full Stack Developer

New UKContractJunior Licensed UK sponsor

Junior developer on FISco's in-house team building Taskye, its bespoke computer-aided facilities management (CAFM) platform. Day to day is mostly front-end work in TypeScript/React/Next.js, with opportunities to grow into C#/.NET 8 microservices and T-SQL, using Git, Azure DevOps and Jira. On-site in Wokingham.

API Azure Azure DevOps Bicep CI/CD +21 skills

Emma - we are hiring!

Mid Level Backend Engineer (Node.js)

New HybridUKMiddle

Mid-level backend engineer at Emma, a UK personal finance app startup, working directly with the CTO on backend infrastructure, scaling, and data/ML-driven features. Stack centers on TypeScript/Node.js, gRPC, MySQL/Vitess, Redis, and GCP with Kubernetes and Terraform; the role is fully office-based in London, Monday to Friday.

BigQuery Cloud CockroachDB Docker Fintech +17 skills

The Gym Limited

Lead Full-Stack Developer

Lead Full-Stack Developer at The Gym Group, a large UK gym chain, hybrid 3 days a week from Clapham Junction. You set technical direction across React/Next.js and .NET Core on Azure (Kubernetes, Service Bus, APIM, Terraform/Pulumi), mentor engineers, and govern AI-assisted development practices.

Agile AI API Api Design Azure +21 skills

Software Engineer – Python/Django & React SaaS

New UKFull-time

Correla is hiring a permanent Software Engineer to design, build, and maintain SaaS software across backend and frontend layers — developing APIs in Python/Django and web interfaces in React/Next.js with TypeScript, using PostgreSQL, Azure, and containerised deployment.

API Azure Django Next.js PostgreSQL +3 skills

Full Stack Developer

Full-stack engineer at Descrial (a software startup inside TresVista) building an investment-decision platform end to end: TypeScript/React front end, async Python (FastAPI/Django) back end, PostgreSQL on AWS, plus LLM-powered features, multi-tenant security and auditability. Based in King's Cross, London, in office 3-5 days a week.

Agentic AI AI API Authentication AWS +42 skills

85K – 105K £

1St%20Formations

Front-End Web Developer – Next.js, React, Hybrid

Front-End Web Developer at 1st Formations building responsive, accessible SPAs from Figma designs using HTML, JavaScript, Next.js, React and Node.js. Works with designers and engineers on a platform offering company formation, compliance, accounting and payroll services.

Figma HTML JavaScript Next.js Node.js