Overview In this role you create and maintain mission-critical .NET services and API-driven applications for a world-leading market data platform. You’ll work in a small, cross-functional team to deliver end-to-end solutions, from design...Read More>>.

Overview Senior Backend Developer focused on expanding and refining an eCommerce platform within the Digital team. You will steer technical delivery, collaborate with front-end and design to enhance UI/UX, and identify automation opportunit...Read More>>.

Overview As a Backend Developer, you will design, build and maintain secure, scalable backend services and APIs. You’ll work in a multidisciplinary team to deliver cloud-native, serverless solutions used by millions, primarily for public-...Read More>>.

Version 1 is seeking an Integration Solutions Architect to lead enterprise integration design across Azure, on-premises, and partner environments. Focus on Azure API Management, secure connectivity, and scalable patterns with governance.You...Read More>>.

Camunda is seeking a Senior Software Engineer for our Data Streaming team to build the first-class architecture for streaming process data at scale. You will influence design and deliver a durable streaming layer that decouples data access from th...Read More>>.

Mimica is building AI-powered tooling to give teams back time and higher impact work. We are growing a 45-person engineering team and seeking Senior+ Backend Engineers to own core ML systems, improve performance, and drive architectural decisions...Read More>>.

Join to apply for the C# SQL Back End Developer - Remote role at TieTalentOur client is a market leading startup. They are the only company currently able to provide a full AI-driven solution in their market. They are looki...Read More>>.

to streamline deployments, improve scalability, and ensure our services are reliable, secure, and cost-effective. By building efficient CI/CD pipelines, managing cloud environments, and enforcing infrastructure best practices, you ll enable our te...Read More>>.

About the Company A digital health technology company providing remote support through a technology platform. The business is building scalable systems designed to support the delivery of its digital health services. Why This R...Read More>>.

Stealth iT Consulting is seeking a skilled Scala Developer for UK remote work to design and develop scalable, high‑performance applications. You will build backend services, APIs, and undertake tests while collaborating with cross‑functional t...Read More>>.

Join a high-performing engineering team working on complex, large-scale backend systems that power mission-critical applications. This is a chance to take ownership of core services, shape technical decisions, and deliver robust, scalable solution...Read More>>.

Advanced Resource Managers Ltd in London is seeking a Backend Developer (Python) on a 6-month contract. The role is hybrid in London and pays £550-£650 per day Inside IR35.The project focuses on building, modernising and supporting distri...Read More>>.

Edge Petrol is building a data-driven web app for petrol retailers to optimise operations and maximise returns. Our real-time analytics helps pricing, purchasing, and station management.We seek a remote or London-based Back-end Engineer wit...Read More>>.

Citi Belfast is hiring Experienced Backend Java Developers to contribute to, and in some cases lead, the design and development of core backend services.The role spans Assistant Vice President to Senior Vice President levels, with a hybrid...Read More>>.

Burns Sheehan Ltd is hiring Software Engineers to help rewrite and scale backend services using Python, FastAPI, and AWS. You will contribute to design, implementation, and production deployments within cross-functional squads in a product-led env...Read More>>.

Trading-21 is building wealth for millions by delivering high-performance trading and investing platforms. We seek Senior Backend Engineers who will own backend solutions end to end, from problem definition to production.Join autonomous, sm...Read More>>.

Capgemini is seeking a Senior Test Automation Engineer in London to design, build and maintain automated testing solutions for APIs and Kafka-powered event-driven platforms.Join an Agile delivery team to drive shift-left quality, implement...Read More>>.

SAP Integration Suite Developer at Tarmac Trading Limited in Solihull, West Midlands. Hybrid working available. You will lead SAP integration developments, design scalable solutions, and own the API strategy across major transformation programmes....Read More>>.

Drive is seeking a skilled backend engineer to design, build, and scale highly available services in Python, with Django or FastAPI. You’ll work closely with Product, Design, and Sales to translate complex business needs into robust architecture...Read More>>.

EMBL-EBI is seeking a backend data engineer to join the HPC sustainability initiative. You will develop Python-based services to process HPC telemetry and energy metrics, collaborate with the Green Algorithms team, and extend reporting tooling....Read More>>.

Kong is seeking a Senior Solutions Engineer to support Enterprise and Strategic accounts in the French region, collaborating with the Account Executive team to drive the technical sale cycle for Kong API Management & Connectivity solutions. You wi...Read More>>.

Vallum Associates is seeking a Quality Engineer in Manchester with 6+ years of experience to join our Engineering Team. The role involves software testing, test automation, API testing, and contributing to automated framework development.Yo...Read More>>.

Randstad Technologies Recruitment in Manchester is seeking a Lead Product Manager to own and scale our core API platforms, backend microservices, and data tools. You will lead cross-functional engineering teams to build high-performance systems an...Read More>>.

Capco is seeking a Principal Backend Engineer in London (Hybrid) to enrich our Technology & Engineering practice. You will help build scalable Java backend services, design enterprise APIs, and drive cloud-native architecture decisions across fina...Read More>>.

Deliveroo is seeking a backend engineer to own and enhance agent-assist features within Astra, focusing on Go-based services and integration with LLM-powered capabilities. You’ll translate requirements into code, implement end-to-end features, a...Read More>>.

Benifex Limited is seeking a skilled Backend Engineer to own core services powering the Home, content creation, and navigation experiences. You’ll design robust, API-driven backend services, collaborate across teams, and shape the platform archi...Read More>>.

NatWest Group in Edinburgh is seeking an API Software Engineer to design, build and maintain high performance, secure APIs and services.You will work in a feature team, collaborate with engineers, architects and business analysts, and contr...Read More>>.

Cognizant in the United Kingdom is seeking a Quality Engineer to strengthen a cross-functional Scrum Team with a focus on mobile apps, APIs and end-to-end automation.You will apply risk-based testing, develop maintainable automated tests, a...Read More>>.

AlphaSights Ltd. is seeking a mid-level Backend Engineer for a remote UK role. You will join a cross-functional team and take ownership of backend services built with Kotlin and Ruby, backed by PostgreSQL.The role emphasizes writing quality...Read More>>.

Scrumconnect Ltd is seeking an experienced Test Automation Engineer to design, build and run automated tests for public sector digital services in an agile, multidisciplinary environment. You will work on UI and API automation using Selenium, Cypr...Read More>>.

Citi London is seeking an early-career Software Engineer to join the Application, Platform and Engineering group and help build GenAI platforms and products used across the bank.You'll work with experienced engineers, product managers and A...Read More>>.

Design, build and ship features end-to-end across web, mobile and backend as needed Own meaningful pieces of the product surface and the systems that back them Raise the bar on code quality, testing and engineering hygie...Read More>>.

Air Apps is seeking a DevOps Engineer Backend to design, automate, and maintain the infrastructure powering our backend systems. You will collaborate closely with developers in Lisbon, helping deploy reliable, scalable services in a fast-paced env...Read More>>.

Requesty is seeking an experienced backend developer to join their dynamic team in London. You will contribute to building a scalable and secure platform for LLM integrations, collaborating closely with founders to influence the company's directio...Read More>>.

Bytes Group is seeking a QA Automation Engineer to design, develop, and maintain automated testing solutions using Playwright with TypeScript/JavaScript, complemented by strong manual testing across web apps, APIs, and backend systems.You w...Read More>>.

Air Apps is seeking a DevOps Engineer to design, automate, and maintain robust infrastructure supporting our backend systems. You will work closely with developers to implement scalable CI/CD pipelines and cloud-native practices.You will ma...Read More>>.

Insightful Technology in London is seeking an experienced .NET/C# backend engineer to own the core product backend. You will develop, test and optimise APIs, services and integrations, ensuring high performance and security.You will work wi...Read More>>.

Commify, a CPaaS leader with a 25-year track record, is seeking a Senior Backend Engineer to own complex backend services and database systems. You will drive architectural decisions, elevate engineering practices, and work closely with Product Ma...Read More>>.

EngineersOfAI is seeking a Developer Support Engineer in Greater London. You will assist technical users in implementing our products, helping them overcome challenges from development to deployment.The ideal candidate has 2+ years of exper...Read More>>.

Databento, a market data platform for real-time and historical data, is seeking a technically skilled support engineer to be the first contact for EU business hours. You will resolve API usage, onboarding, authentication, and billing questions, an...Read More>>.

Revolut is seeking an API Enterprise Sales Executive to drive enterprise deals across industries, owning the end-to-end process from sourcing to close and growth. You’ll join a high-performing team that sells API-based payments and issuing solut...Read More>>.