Research Software Engineer jobs in Southampton

You will work at the intersection of software engineering, quantum physics, and advanced hardware, enabling precise, reliable, and scalable quantum operations.

Job Description C++ Software Engineer Portsdown West (PO17) Full-time Onsite - Salary £50,000 - £65,000 - 25 days annual leave inclusive of up to 3 days Christmas shut-down - Buy or sell up to 5 days annual leave - Annual Wellbeing allowance - Two pension schemes to choose from - Private Medical Insurance + discounts for additional family members - Life Assurance scheme up to 4 x salary - Share...

You will play a crucial role in delivering key technology changes and enhancing customer experiences. ResponsibilitiesCollaborate with engineering squads to deliver key technology change projects. Focus on changes to payment rails and integrate these into existing architecture.

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# .

Job Description Senior Software Engineer required by a high-tech company located in Fareham. Due to continued success they are looking to grow their software team developing products for Android platforms. The successful Senior Software Engineer is likely to have a degree in Computer Science or similar subject and commercial experience developing Android applications using .NET MAUI. Key...

Cyber Software Engineer - SC / DV / eDV ClearedNew Permanent Opportunity for Cyber Software Engineers in Gloucester with Security Clearance to work on Mission-Critical, National Security projectsRole: Cyber Software EngineerLocation: Gloucester (hybrid)Clearance: SC, MOD DV or eDVTo apply : Email:We are looking for a Cyber Software Engineer to join a team delivering high-assurance cyber...

Principal Software Engineer .NET £90,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built on quality, resilience, and scale - and they need exceptional .NET Software Engineers to...

You will work as part of a collaborative R&D team focused on delivering high-quality features, and developing the client architecture using the latest UI patterns.

About the Team Dex is an AI-powered recruiter, matching exceptional software engineers with top tech companies. We're one of the fastest-growing UK startups, and have raised $3.1M from a16z and Concept Ventures to build a best-in-class voice agent, matching engine and web app experience that will redefine the way that talent and opportunity connect. We're hiring a Python engineer to join our...

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...

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...

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:

Software Engineer Tech Stack: C# / .NET / Git / Azure Location: Fully Remote (no office travel required) Salary: £55,000 – £65,000 + Benefits This is an excellent opportunity to join a small but growing insurance software company, as they look to expand their development team. You’ll work across a variety of initiatives, including their core product development, system migrations, and...

Our client, a leader in the defence and security sector, is currently seeking a Senior Software Engineer with advanced security clearance to join their cutting-edge team. This permanent role offers an exciting opportunity to work on innovative solutions that redefine defence technology. Key Responsibilities: - Design, implement and test solutions to complex customer problems across the...

You will be both the hands-on technical lead and the architect of our future technology direction, guiding our software team while setting the foundations for a scalable product and engineering organisation. Working closely with our valuation specialists and product team, you will design solutions that fundamentally transform how valuation advisory services are delivered.

At the heart of Paxton, we are innovators, we look for ways of harnessing new technology to provide better solutions for our customers. We're a global brand with nearly 40 years of experience, our team of over 400 employees is spread around the world.We pride ourselves on creating a vibrant environment, with a focus on excellent company culture. Our teams make Paxton a great place to work with...

Job Title: SC Cleared Senior Software EngineerLocation: Farnborough, Malvern or PortsmouthDuration: 6 months with possible extensionRate: Up to £820 per day via an approved umbrella companyMust be willing and eligible to go through the SC Clearance processAre you a talented and motivated Software Engineer with a passion for delivering innovative solutions? Our client, a reputable organisation...

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.

Our OEM Client based in Gaydon, is searching for a Senior Process Engineer (Software & System Test) to join their team on an Inside IR35 contract.Umbrella Pay Rate: £33.64 per hour.Duties:This role (Software and Systems Testing Process) is focused on ensuring the New Vehicle Programs Systems and Software Testing is occurring with the correct amount of pace. This is done through ensuring...

You will work as part of a collaborative R&D team focused on delivering high-quality features, and developing the services architecture. This role is ideal for an engineer who thrives in complex systems and is looking to develop new services that exploit a cloud-native ecosystem while modernizing legacy services into a containerized, cloud-native ecosystem.