18 of 18 Backends for Frontends Jobs in London

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 Software Engineer I – Contacts Team

Location
Greater London, England, United Kingdom
make their lives easier and save them money. As part of our team, you will be helping us create an entirely new network for the world's money. For everyone, everywhere. Job Description The Contacts team is a core team at Wise, dedicated to making adding, finding … across our Tallinn and London offices. What will you be working on? You will be part of an autonomous team, driving the technical vision for the backend solution powering the recipient’s user experience. You will help us scale-up and build a world class recipient management product. Qualifications ...

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 ...

backend developer for international payments

Location
Greater London, England, United Kingdom
global technology company building a way to move and manage money worldwide. It enables international transfers, spending abroad, and cross-border payments for people and businesses. Задачи Drive the technical vision for the owned domain within an autonomous team Contribute to the platform and back-office tooling Contribute … coding practices, code reviews, and open feedback Experience writing testable code and following Test Driven Development Nice to have: Spring Boot, Kafka, BFFs (Backend-for-Frontends) Условия Starting salary: £68,000 - £87,500 Work location: London and Cherkasy offices Inclusive and diverse international team #J-18808-Ljbffr ...

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 ...

Senior Android Engineer - Kotlin, Compose & Mentorship

Location
Greater London, England, United Kingdom
architecture, and collaborate with product, design, and backend teams to ship secure, fast experiences. There is also an option to contribute to Kotlin BFF for broader stack exposure. You’ll join a cross-functional team focusing on a Kotlin-first Android stack, with emphasis on modular architectures, testing ...

Lead Software Engineer (UI) — 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 ...

Lead Software Engineer

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 … 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 ...

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 ...

Senior Node.js Engineer – Scalable Backend Architect

Location
Greater London, England, United Kingdom
application, store and other internal facing applications. You’ll be a passionate, pragmatic Engineer with an inquisitive mind who is motivated to make change for the better and most importantly put our customer first. You’ll enjoy working as part of a team, liaise with product and program managers … backend development technologies. You’ll use innovation to improve the customer experience and efficiency of engineering teams. The solutions that you will be responsible for will have a global reach, impacting millions of customers. Some of the tech we are using at scale: Javascript, Typescript, Node.JS, GraphQL, REST, Kafka ...

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 ...

Mobile Engineer

Location
City Of London, England, United Kingdom
client has a need for an experienced Android Engineer to join their team for an initial 8 week piece of work with potential to extend. This is a hybrid role and is outside of IR35 Android (primary depth) Kotlin and modern Android in large production codebases; Jetpack Compose … through the mobile networking layer to the backend service and back REST/GraphQL/gRPC, OpenAPI and contract inspection, API gateway and BFF patterns OAuth 2.0/OIDC token flows as implemented on device Third-party SDK inventory and assessment: analytics, payments, chat, fraud, marketing, feature flags Banking-specific ...

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+ ...

Mobile Architect - Outside IR35

Hiring Organisation
Hydrogen Group
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£800.00 - £900.00 per day
client is looking for an experienced mobile architect to join their team on an initial 8 week piece of work with a good possibility to extend. This is a hybrid role and is outside of IR35. Able to reconstruct architecture of large existing systems from code, interviews and incomplete … Compose, Gradle multi-module builds: enough to read, question and validate, not necessarily to write Backend, API and integration Mobile-to-backend integration patterns: BFF, API gateway, REST/GraphQL/gRPC, versioning and contract management Identity and authorisation: OAuth 2.0, OIDC, token lifecycle, session management, step-up authentication; FAPI ...

Mobile Architect - Outside IR35

Location
City Of London, England, United Kingdom
client is looking for an experienced mobile architect to join their team on an initial 8 week piece of work with a good possibility to extend. This is a hybrid role and is outside of IR35. Able to reconstruct architecture of large existing systems from code, interviews and incomplete … Compose, Gradle multi-module builds: enough to read, question and validate, not necessarily to write Backend, API and integration Mobile-to-backend integration patterns: BFF, API gateway, REST/GraphQL/gRPC, versioning and contract management Identity and authorisation: OAuth 2.0, OIDC, token lifecycle, session management, step-up authentication; FAPI ...