23 of 23 Backends for Frontends Jobs in the UK

Senior Android Engineer

Location
Greater London, England, United Kingdom
backend engineering to ship features that are secure, fast, and genuinely good to use.There'salso theoptionto contribute to our Kotlin backend-for-frontend (BFF), for engineers who want exposure across the stack. What you'll work on Design, build, and maintain features across our Android app, from … . Work directly with product managers, designers, and backend engineers to shape features from spec to release. Optionally pick up work on our Kotlin BFF, if you want to build depth on the backend side too. Our stack Kotlin -first , Jetpack Compose -native Coroutines + Flow for fast, reactive ...

Senior Android Engineer - Kotlin, Jetpack Compose

Location
Greater London, England, United Kingdom
quality, and performance, mentoring peers and collaborating with product, design, and backend teams. You may also contribute to our Kotlin backend-for-frontend (BFF) for broader stack exposure. The role focuses on secure, fast, and user-friendly banking experiences. #J-18808-Ljbffr ...

Fullstack Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£50 - £55/hour Inside IR35 via Umbrella
Position Title: Java Full Stack Developer Contract Type: Contract (6-month initial duration, with potential for extension) Location: Manchester, UK Work Arrangement: Hybrid (2 days/week in-office) Hours: 40 hours per week Role Overview As a Full-Stack Engineer, you will drive the design, performance, and scalability … premier online travel platform, delivering key features that integrate into current infrastructure. Technical responsibilities span across micro-frontends, Backend-for-Frontend (BFF) layers, and core Java backend services; proficiency across all areas is expected, with skill distribution balanced across the team. Key Responsibilities Feature Engineering: Design and enhance ...

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
Upminster, Essex, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £45,000 per annum
Sass/SCSS across multiple branded sites from a single codebase. Develop back-end features in Node.js, including a Fastify API, an Express backend-for-frontend and durable background jobs processed through a SQL-backed outbox queue. Design and evolve the SQL Server schema through forward-only migrations, using ...

Java API Developer, Assistant Vice President

Hiring Organisation
State Street Bank
Location
London, UK
Employment Type
Full-time
Summary :We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands‐on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilities—spanning digital custody, tokenization enablement, digital transfer agency, and digital cash … secure key infrastructure/HSM adjacency at a platform level).Exposure to Node.js for front‐end support or lightweight backend-for-frontend (BFF) services, including working with REST APIs and understanding how Node.js services integrate with enterprise Java or platform backends. About State StreetAcross the globe, institutional investors ...

Software Engineering Director

Location
City of Edinburgh, Scotland, United Kingdom
roster has an opening with your name on it. The fastest Sportsbook in the industry doesn't happen by accident. We're looking for a Software Engineering Director to lead the teams behind the performance, reliability and architecture that power every customer experience across FanDuel Sportsbook. This … more reliable and easier to evolve. Making every moment for our customers... more. You'll work across iOS, Android, Web, React Native and BFF services, partnering with engineers, product leaders and senior stakeholders to define technical direction, remove delivery friction and tackle the problems that don't have obvious ...

Senior Front-End Developer

Location
Greater London, England, United Kingdom
pipelines with GitHub Actions (lint/test/build/storybook/e2e, caching, multi-environment deployments) Design and implement Backend-for-Frontend (BFF) layers (preferably using Node.js/NestJS) with API orchestration, caching, rate limiting, and security best practices Write robust, type-safe code in TypeScript with well … publishing (monorepo/workspace experience is a plus) Proven experience with GitHub Actions (or similar) for front-end CI/CD Hands-on BFF development experience (Node.js, preferably NestJS/Express) Advanced TypeScript knowledge (generics, utility types, strict mode, configuration optimization) Experience developing SDKs or client libraries and releasing ...

Front End Developer, Officer

Hiring Organisation
State Street Bank
Location
London, UK
Employment Type
Full-time
Role Summary :We are seeking a Front End Developer to join our Digital Asset development team. This is a hands‐on engineering role responsible for building, enhancing, and maintaining user‐facing web applications that support financial services platforms and operational workflows. The role focuses on delivering intuitive, secure … collaborating with globally distributed teams and working across time zones. Exposure to Node.js for front‐end support or lightweight backend-for-frontend (BFF) services, including working with REST APIs and understanding how Node.js services integrate with enterprise Java or platform backends. About State StreetAcross the globe, institutional investors ...

UI Senior Lead Software Engineer - Commodities

Location
London, United Kingdom
hackajob is partnering directly with JPMorganChase to hire for this role. JOB DESCRIPTION Join Digital Markets Execution Technology (DMET) to shape the future of Execute, our front-office trading platform powering Markets businesses. As a Lead Software Engineer (UI), you will set front-end technical direction and lead hands … direct reports Ability to tackle design and functionality problems independently Demonstrated experience leading effective use of approved AI-assisted software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security Strong ...

UI Senior Lead Software Engineer - Commodities

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
hackajob is partnering directly with JPMorganChase to hire for this role. JOB DESCRIPTION Join Digital Markets Execution Technology (DMET) to shape the future of Execute, our front-office trading platform powering Markets businesses. As a Lead Software Engineer (UI), you will set front-end technical direction and lead hands … direct reports Ability to tackle design and functionality problems independently Demonstrated experience leading effective use of approved AI-assisted software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security Strong ...

Lead Software Engineer (UI) â Digital Markets Execution Technology (DMET), Execute

Location
Greater London, England, United Kingdom
cross‐functional environments Ability to tackle design and functionality problems independently Demonstrated experience leading effective use of approved AI‐assisted software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security … electronic execution domains Familiarity with financial market concepts and protocols Experience with UI component libraries, advanced data grid patterns, and visualization Exposure to backend‐for‐frontend patterns, event‐driven architectures, and API design collaboration Experience operating UIs in regulated environments with strong auditability and controls Why Join ...

Front End Developer

Hiring Organisation
Experis
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£420 - £476/day
framework mode, including data APIs, nested routes, form actions and streaming SSR. Node.js and Express, particularly where the frontend includes a server or backend-for-frontend layer. Design-system and component-library development using custom design patterns, encompassing MUI, Storybook and Figma. Runtime validation and contract-first API integration … for example Zod and OpenAPI-generated types. Authentication, authorisation and secure session management using OAuth 2.0/OpenID Connect. CI/CD, dependency management and frontend security practices. Experience working in regulated or government environments and collaborating closely with various stakeholders, including UX, API, test and platform teams. ...

Front End Developer

Hiring Organisation
Experis
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £579 per day
framework mode, including data APIs, nested routes, form actions and streaming SSR. Node.js and Express, particularly where the frontend includes a server or backend-for-frontend layer. Design-system and component-library development using custom design patterns, encompassing MUI, Storybook and Figma. Runtime validation and contract-first API integration … for example Zod and OpenAPI-generated types. Authentication, authorisation and secure session management using OAuth 2.0/OpenID Connect. CI/CD, dependency management and frontend security practices. Experience working in regulated or government environments and collaborating closely with various stakeholders, including UX, API, test and platform teams. Additional ...

Engineering Team Lead - 12 month FTC

Location
Greater London, England, United Kingdom
people, bound by a collaborative spirit, and shared purpose. And lastly, a thriving, profitable business - where smart people do their best work. A feel for our culture: To revolutionise the savings market, we need to be at our best. But high performance takes more than talent - it takes … Microsoft shop: C#/.NET is our core backend language, on Azure, cloud‐first. The Bank Portal specifically runs on .NET (Aspire, Duende BFF, YARP) with a React/TypeScript frontend, so while backend depth is the priority, comfort reviewing across a full‐stack architecture matters more here than ...

Senior Frontend Developer

Location
Greater London, England, United Kingdom
complete vertical slice of the customer journey. That means you won't simply be handed frontend tickets. You'll own the application, its backend-for-frontend, automated tests and releases – taking features from idea and design through to real customers. The team operates with a high degree of autonomy … very little unnecessary ceremony. Changes are small, iterative and continuously delivered, with engineers responsible for the quality of what they ship. AI is genuinely part of the engineering workflow This isn't a traditional development environment that has recently added an AI tool. The engineering model has been designed ...

Fullstack Engineer

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£55 - £65 per hour
looking for a Full-Stack Engineer to build high-scale web applications using React Micro-Frontends Java/Spring Boot , and AWS . You will work in an AI-first Agile environment using Agentic AI tools (Claude, Codex) for rapid code generation while you direct architecture, specifications … modern state management). Direct experience with Micro-Frontend (MFE) architectures (e.g., Module Federation). Backend: Java & Spring Boot (building/consuming RESTful APIs & BFF layers). Solid understanding of data modeling ( SQL or NoSQL ). Cloud & DevOps: Proficiency with AWS services (ECS/EKS, CloudFront, API Gateway, Lambda). ...

Junior Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
Upminster, Essex, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £45,000 per annum
would suit an early-career developer with strong JavaScript fundamentals, evidence of practical projects and the curiosity to learn how reliable software is built for a regulated consumer environment. What you'll do Build and improve customer-journey screens and reusable components in React, using React Router, Vite … Sass/SCSS across multiple branded sites. Contribute to Node.js APIs and backend-for-frontend services using established patterns in Fastify and Express. Write and update parameterised SQL queries, and support database changes through reviewed migrations. Help integrate third-party services such as identity-verification and lead-management providers ...

Principal Engineer I — Prepurchase Platform

Location
City Of London, England, United Kingdom
Prepurchase domain. Partner with product, security, and SRE teams to align technical decisions with business priorities. Drive observability improvements - ensuring services are instrumented for monitoring, alerting, and rapid incident response. Identifyandeliminatesingle points of failure, improving systemreliabilityand reducing on-call burden. Apply AI and machine learning tools to improve developer … TECHNICAL SKILLS) Proven ability to reasonaboutdistributed systemstradeoffs- scalability, consistency, availability, latency and make defensible design decisions under real constraints. This is the core bar for this role. Proven experience writing production code and building high-traffic systems at scale - this is a coding role first. Expertisein Java (17+ ...

Lead Software Engineer - ThousandEyes

Location
Greater London, England, United Kingdom
powered assurance insights within Cisco's leading Networking, Security, Collaboration, and Observability portfolios. Connected Devices helps assure the quality of home broadband connections for millions of people around the world. You might already be one of them! The Platform Team builds and operates all the web and server-side … components for Connected Devices, helping customers access, control, and get value from their data. We're a small but well-rounded team and our work has lots of angles: scaling our architecture for the next level of growth, building new features to help our customers get even more ...

Lead Software Engineer - ThousandEyes

Hiring Organisation
CISCO Systems
Location
London, UK
Employment Type
Full-time
powered assurance insights within Cisco's leading Networking, Security, Collaboration, and Observability portfolios. Connected Devices helps assure the quality of home broadband connections for millions of people around the world. You might already be one of them! The Platform Team builds and operates all the web and server-side … components for Connected Devices, helping customers access, control, and get value from their data. We're a small but well-rounded team and our work has lots of angles: scaling our architecture for the next level of growth, building new features to help our customers get even more ...

Server-side Engineer

Hiring Organisation
EUROPEAN SOFTWARE SOLUTIONS (UK) LIMITED
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
Server-side Engineer Description We are looking for a Server-side Engineer to work on Mobile application Service Layer (Backend for Frontend) that will be used by tens of millions of around the world. We want someone with strong technical skills and creativity. Should enjoy solving tough problems … after the time of purchase. You will be working in a large team of engineers, product people, designers, and QA to build the Backend for Frontend API layer consumed bymobile apps. Based on experience, this role may be entry level, senior or staff. Relevant experience and skills: Building server ...

Server-side Engineer

Hiring Organisation
EUROPEAN SOFTWARE SOLUTIONS (UK) LIMITED
Location
Burgess Hill, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Server-side Engineer Description We are looking for a Server-side Engineer to work on Mobile application Service Layer (Backend for Frontend) that will be used by tens of millions of around the world. We want someone with strong technical skills and creativity. Should enjoy solving tough problems … working with modern technologies click apply for full job details ...