Backend jobs in SwanseaCreate job alerts

We’re hiring a senior backend engineer to join a disciplined, senior team responsible for the platform behind Eequ, where engineers have real ownership and operate with high autonomy. Build and operate the backend platform that powers a real marketplace handling bookings, payments, and reporting f

Compensation: Competitive, based on location and experience .Location: UK or Turkey (Hybrid – Office & Remote).Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale.Keepnet runs

We are looking for a Senior Backend Engineer to join our new Quantitative Sports team. As a Senior Engineer you will play a critical role in the development and maintenance of the backend aspects of the pricing system for our sportsbook and work alongside our quantitative analysts to deliver our in-

The role involves the design and development of backend services and infrastructure for Machine Learning workloads.

Senior Backend Engineer | Python, FastAPI & Scaling | Security SaaS. Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS. Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS.

Backend Developer Romsey, Hampshire (Hybrid - 3 days office / 2 remote, flexible)£45,000 - £50,000 + BenefitsOOP, PHP, LaravelMy client build innovative SaaS solutions that help organisations monitor, manage, and optimise critical infrastructure.

A software company in the United Kingdom is seeking a Backend Software Engineer to implement features, ensure code quality, and collaborate with a dynamic team.

We’re looking for a Senior Backend Engineer to join our growing Product Engineering team. As a Backend Engineer, you’ll play a pivotal role in helping to build the canonical tools and products to protect digital assets and preserve self‑sovereignty in a post‑quantum world. Experience buildin

Proficiency in writing clean, scalable backend code in a systems language, with preference to Rust or Node/Typescript.

A growing consulting business in the UK is seeking a talented Backend Python Developer to contribute to their AI-driven platform project. The ideal candidate will have strong experience in Python backend development and familiarity with cloud-native architectures.

A healthcare technology company in the UK is seeking a passionate backend engineer to improve patient care through reliable data infrastructure.

We are looking for product‑oriented backend engineers to join the Identity Security team at Teleport. You will be responsible for designing and implementing backend services and APIs that enable access controls auditing tools, audit logging, session recording summarization, and identity workflows

A modern gaming platform in the UK seeks a Senior Backend Engineer to design and maintain backend systems for their suite of Free to Play games. This role emphasizes ownership of the backend architecture and requires proficiency in Python, RESTful APIs, and experience with PostgreSQL.

Swedium Global Services is the growing System Engineering and Solution Company, offers services like Semiconductor Engineering R&D Services, Embedded Systems Development, Custom Application Software Development, Web and Cloud Application Development, Testing Services, Consultancy and Outsourcing ser

Backend WordPress Developer (Remote - UK Only). We’re looking for a skilled and motivated Backend Developer to join our growing team at Zap. Researching and implementing innovative ways to improve our backend capabilities across client websites.

As one of the world’s leading asset managers, Invesco is dedicated to helping investors worldwide achieve their financial objectives.By delivering the combined power of our distinctive investment management capabilities, we provide a wide range of investment strategies and vehicles to our clients

A national organization in the UK seeks a Senior Backend Developer with strong C#,.

A recruitment firm is looking for a skilled backend engineer to develop coding benchmarks remotely. Candidates should have strong experience in backend software engineering, especially with Go programming.

A global technology business is seeking a Java Developer (Backend) for a fully remote position.

At ClickUp, we’re not just building software.We’re architecting the future of work! In a world overwhelmed by work sprawl, we saw a better way.That’s why we created the first truly converged AI workspace, unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-

We are looking for a Senior Backend Engineer with extensive experience in the healthcare domain to join our application modernization team.

A leading global tech consultancy is seeking a C# /.Net Developer to join their fully remote team in the UK.The ideal candidate will have strong experience in C# and either current or expired Security Clearance, working on confidential projects.This mid-senior level role involves enhancing core solu

A technology firm in the UK seeks a Backend Engineer to join a collaborative team working on AI-powered solutions for the insurance sector.

A technology recruitment agency is seeking a Senior Back End Engineer for a remote-first role, requiring candidates to reside in the UK.The position focuses on building scalable systems using the MERN tech stack and offers exceptional career progression opportunities.Ideal candidates will have over

A global leader in specialist media is seeking a Senior Software Developer to develop and maintain the backend infrastructure for their mobile application.

The ideal candidate will have over 5 years of experience in building high-performance backend services, preferably using Kotlin.

As a Senior Backend Developer, you will be part of the team that develops the backend components of all Bitfinex services (main trading application, Lightning Network support, Blockchain integrations, etc. Senior Backend Developer - Node. Scalability: ensure backend services remain smooth, responsiv

Staff Software Engineer to join our Customer Knowledge team in the UK or Ireland.This is a unique opportunity to architect and build large-scale, globally distributed applications that process hundreds of thousands of data points per second.In this role, you will be at the forefront of innovation, w

Building Containerized Web Applications.Experience working with modern web frameworks (React.Background in designing and developing data-intensive web applications.Remote Work Opportunity in the UK.Uncovering problems, formulating hypotheses, and driving the entire process from concept to execution.

We are looking for an awesome Senior Java Backend Developer to join our growing team.

Strong experience building secure, scalable backend systems in.

A cutting-edge AI startup is seeking a Senior/Staff Backend Compiler Engineer in the UK. You will enhance our domain-specific language and optimize our compiler backend for high-performance computing.

The role offers the opportunity to design scalable backend systems in a remote-first or hybrid environment.

A leading software provider in the UK is seeking a Software Engineer (Golang) to design and develop scalable backend systems.

A fast-growing iGaming provider in the UK is seeking a Java Developer to enhance their legacy Backoffice and develop a new Slot Backoffice.Ideal candidates will have at least 3 years of Java experience and strong communication skills.The role involves API development, database management, and workin

A leading crypto company is seeking a seasoned software engineer proficient in Rust to design robust services and libraries, collaborating with cross-functional teams.This fully remote opportunity requires 7+ years of experience, a security-first mindset, and the ability to debug issues autonomously

This is a generalist mid-level backend position within the Ads Organization.

Senior Backend Engineer Contractor (Java, Python, Rust + Ruby nice-to-have) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment.

An exciting opportunity at a technology-driven engagement platform for a Software Engineer III (Backend) in the UK. You will lead backend development efforts in a 0→1 environment, leveraging AI tools to enhance productivity and build scalable systems.

An innovative online gaming company is seeking a Senior Java Backend Developer to join their hybrid team.

A leading technology company in the UK is looking for a Senior Software Engineer to enhance their backend services.

We're looking for a Lead Backend Engineer to help shape the future of Zego's platforms and services. As a Lead Engineer at Zego, you'll bring deep backend expertise driving delivery, influencing architecture, and mentoring others. Driving architectural discussions and decisions across multiple teams

Candidates should have over 7 years of experience in backend systems, experience leading engineering initiatives, and the ability to work autonomously in a remote environment. This role involves designing and maintaining backend services for a powerful streaming platform.

A dynamic tech company in the UK seeks a Mid-Senior Backend WordPress Developer for a fully remote role.

A healthcare technology company in the United Kingdom is seeking a Senior Backend Engineer to join their application modernization team.

A leading software testing company in the United Kingdom is seeking a Lead Backend Software Engineer to own the technical delivery of product features. This role combines hands-on backend development with end-to-end delivery leadership, requiring strong skills in JVM-based technologies and distribut

A leading game development studio in the UK is seeking a Senior Backend Engineer to join its dynamic team. You will work on backend services for AAA games and contribute to internal tools, ensuring high standards in deployment and documentation.

Holisticly communicate integrated channels via backend interfaces.