backend software engineer jobs in Oxfordshire

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:

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 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.

You will work closely with frontend engineers, product managers, and the CTO to design and evolve a highly scalable, asynchronous, cloud-native platform. This is a hands-on senior engineering role with real technical ownership, influence over architecture, and scope to mentor others.

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 the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We’re looking for a dynamic software...

SOFTWARE ENGINEER REMOTE (OPTION TO RELLOCATE) £110K + EQUITY THE COMPANY This innovative AI startup is redefining safety and reliability in AI models. While competitors like GPT and DeepMind struggle with hallucinations and illegal content generation, this company adds safety control layers to ensure AI outputs are trustworthy and compliant. Working with high-profile, they’re building AI...

You will focus on key software engineering challenges such as: - Designing and maintaining cloud infrastructure - Building scalable backend APIs using Python (FastAPI or similar)

You will bring experience in: - Python for backend development (such as FastAPI, Flask or Django)

Viator, a Tripadvisor company, is the leading marketplace for travel experiences. We believe that making memories is what travel is all about. And with 300,000+ travel experiences to explore—everything from simple tours to extreme adventures (and all the niche, interesting stuff in between)—making memories that will last a lifetime has never been easier. With industry‐leading flexibility and...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP.

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

Senior Software Engineer | Oxford | £60,000 - £75,000 Our client is looking for a Senior Software Engineer to help develop the backend control software for their next‐generation computing systems. The ideal candidate is an experienced backend developer with a solid foundation in building reliable, scalable applications for scientific or technical environments. In this role, you will be...

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...

Job Title: Senior Embedded Software Engineer If your skills, experience, and qualifications match those in this job overview, do not delay your application. Location: Oxford Salary: £60,000 - £70,000 (Depending on Experience) Job Overview: We are seeking an experienced Senior Embedded Software Engineer to join a multidisciplinary design and engineering team developing high-quality,...

Overview A Senior Software Development Engineer in Test (SDET) with expertise in building modern .NET automation frameworks (Playwright/xUnit/NUnit) will take ownership of automation framework design and engineering led test strategy for a pioneering technology company. Hybrid working and a competitive salary to C 60K. Requirements Requirements for the Senior Software Development Engineer in...

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.

You will be joining a fast growing technology company building a production grade platform that enables advanced AI driven products.

You will have real ownership, influence over technical decisions and the space to build things the right way.

You will be trusted to take responsibility across the stack, including

You will focus on key software engineering challenges such as: Building scalable backend APIs using Python (FastAPI or similar) Developing robust, user-friendly interfaces using React Contributing to deployment pipelines and automated QA processes Writing maintainable, well-tested code for real-world production systems You do not need to be an AI specialist.

You will be joining a fast growing technology company building a production grade platform that enables advanced AI driven products.

You will have real ownership, influence over technical decisions and the space to build things the right way.

You will be trusted to take responsibility across the stack, including