backend developer jobs in West Sussex

Job Description Junior DevOps/Backend Developer The Company 🚀 Viewture is the leading creator financing company, partnering with the world’s most exciting content creators to help them grow faster, earn more, and unlock new opportunities. We work closely with creators, talent managers, and brands across YouTube, TikTok, Instagram, and beyond — combining commercial expertise with a deep...

Senior Backend Developer (.NET | AI-First SaaS Platform) 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. With Agentic AI live in production, Keepnet runs...

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

Lead Java Developer HealthTech SaaS | Tech for Good UK-based, Fully Remote, Up to £75k, Excellent Benefits, Permanent Lead Java Developer is required by our successful HealthTech scale-up client. You'll be leading a small, focused engineering team (5 developers) working on full-stack development withJava/Spring Booton the backend andReact Nativefor mobile. You will: - Lead technical direction...

Job Description Job Title: Java Developer (Golang) Contract: 6 months (Inside IR35) – Extendable Location: Hybrid (2–3 days per week on-site) Rate: DOE Client: Leading Financial Services Organisation Overview A leading financial services client is seeking an experienced Java Developer with strong Golang exposure to join a critical engineering programme. This role will focus on building and...

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We're a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

React / Next.js Developer – Contract (Outside IR35) Location: Remote (UK-based preferred) Contract Length: 2 months Contract Type: Outside IR35 Rate: £300 per day Start: ASAP Overview We're looking for an experienced React / Next.js Developer to join us on a short-term contract to help deliver and enhance a modern, high-performance web application. You'll be working closely with product...

About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‐first, often highly complex software. Our engineers pair forward‐thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‐standing third‐party clients, we're scaling our own SaaS product—Spark...

Frontend Software Engineer (React) – Fully Remote (UK) Up to £85,000 + Benefits Fully Remote (UK) High growth company – Great Future prospects Build modern user experiences for data driven technology used at scale A fantastic opportunity to join a growing international technology business building next generation software that automates and streamlines complex data workflows. The businesses...

A leading software company in Horsham is seeking a passionate Back End Software Engineer to design and develop software solutions in C#.Net and MS SQL Server. Responsibilities include gathering user requirements and writing code, while adhering to coding standards. The ideal candidate will have strong SQL database experience and a keen interest in cutting-edge technologies. This position offers a...

Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Software Engineer to join their growing engineering team. This is an exciting opportunity to work on scalable, resilient systems while contributing to real-world solutions in the financial technology space. Key...

You will not be handed toy problems or isolated tickets. You need to be a system thinker and ready to tackle complex problems.

You will help turn messy, high-stakes workflows into robust AI-powered products, from architecture to deployment. Your work will directly shape MosaiQ's platform, its AI modules, and how clients experience AI in practice.

Job Description Job Title: Java Developer (Kotlin) Contract: 6 months (Inside IR35) – Extendable Location: Hybrid - West Sussex (2–3 days per week on-site) Rate: DOE Client: Leading Financial Services Organisation Overview We are working with a leading financial services client who is looking to engage an experienced Java Developer with strong Kotlin experience to join a high-performing...

Junior DevOps/Backend Developer Viewture is the leading creator financing company, partnering with the world’s most exciting content creators to help them grow faster, earn more, and unlock new opportunities. We work closely with creators, talent managers, and brands across YouTube, TikTok, Instagram, and beyond — combining commercial expertise with a deep understanding of the creator economy....

.Net / Blazor Developer, Fully Remote, £60,000 - £85,000 per annum About the Role: Our client, a leading AI solutions consultancy are seeking a highly skilled Blazor Developer to join their team. As a Blazor Developer, you will play a critical role in creating and optimising web applications built on the Blazor framework. Your expertise in development will help their clients bring their...

Job Title: Java Developer (Golang) Contract: 6 months (Inside IR35) – Extendable Location: Hybrid (2–3 days per week on-site) Rate: DOE Client: Leading Financial Services Organisation Overview A leading financial services client is seeking an experienced Java Developer with strong Golang exposure to join a critical engineering programme. This role will focus on building and enhancing...

Job Title: Java Developer (Kotlin) Contract: 6 months (Inside IR35) – Extendable Location: Hybrid - West Sussex (2–3 days per week on-site) Rate: DOE Client: Leading Financial Services Organisation Overview We are working with a leading financial services client who is looking to engage an experienced Java Developer with strong Kotlin experience to join a high-performing engineering team....

Job Title: Java Developer (Kotlin) Contract: 6 months (Inside IR35) – Extendable Location: Hybrid - West Sussex (2–3 days per week on-site) Client: Leading Financial Services Organisation We are working with a leading financial services client who is looking to engage an experienced Java Developer with strong Kotlin experience to join a high-performing engineering team. This is a critical...