fullstack software developer jobs in Portsmouth, Calderdale

About Us We are a fast-growing fintech company building modern, scalable platforms that power real-world financial products. Our engineering culture values clean architecture, strong ownership, and pragmatic innovation. We operate in a cloud-native, microservices environment and invest heavily in frontend quality, design systems, and developer experience. The Role As a Lead Fullstack Engineer,...

Software Developer (Web & Internal Tools) Remote-first | UK-based up to £50,000 PA Dependent on experience We're supporting a well established UK adventure business that has recently brought its website development in-house and is now modernising internal systems and tooling. This is a hands on role in a small, trusted tech team, working across a customer facing web platform and the internal...

Software Engineer – PHP & Golang Fully Remote – Within UK PHP / Golang / JavaScript £60,000-£65,000 I've recently partnered with a leading Prop-Tech business in London who are looking to add a Software Engineer to their team who specialises in PHP & Golang! The company have seen rapid success over the past 10 years and have built an advanced platform used by their expanding portfolio of...

Software/SAAS Business Development Manager - £50,000+ OTE - Remote Dante provides training software to commercial training providers across the UK. We've grown our customer base from 25 to 120+ clients in four years and are expanding our sales team to support continued growth and international expansion planned for 2026. We're looking for a Business Development Executive to join our small team,...

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...

You will be responsible for generating new business while managing and expanding existing client relationships. The role suits a confident, customer-focused sales professional with experience selling complex B2B software solutions. Key Responsibilities: - Drive new business opportunities and achieve sales targets across software and associated services

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...

Job Description Our client is a global leader in ship navigation systems and advanced maritime solutions, delivering tailored technologies for commercial vessels, mega yachts, refit projects, naval surface combatants, small combatants, and submarines. Our client is seeking Software Engineers at various levels of experience to join their small UK-based software development team. This is an...

Job Description Our client is a rapidly growing business designing some of the most innovative and interesting applications for the marine industry. If you are a meticulous individual with a passion for working on cutting edge projects, this could be ideal for you.Senior Software EngineerMarine Defence applicationsPortsmouthPermanentRole OverviewWe are looking for a talented software engineer to...

You will work closely with subject matter experts and senior stakeholders on high-impact programmes spanning modelling and simulation, autonomy, geospatial systems, synthetic environments and digital twins.

You will remain deeply technical while setting direction, leading teams and acting as the technical authority across projects.

Job Description IT/Software Support Engineer Hampshire based company; commutable from Southampton, Fareham, Winchester Salary DOE - Up to £30k Are you a tech enthusiast with a passion for ERP software and a desire to grow professionally? Join our client as a Software Support Analyst / Application Support Analyst and embark on a rewarding career. This role is due to organic growth, the company...

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...

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

You will steer the development of complex digital twins and autonomous systems, bridging the gap between mathematical theory and real-world engineering.

Software Engineer (all seniorities) Location: Southampton Our client: We are using and creating technology to transform operations at sea to enable people and the planet to thrive. We are open-minded and fearless in our approach to innovation and don't believe in boundaries. We challenge everything and have massive ambitions to drag ageing industries into the tech era. We take safety,...

Job Title: Software Development Engineer Salary: Up to £75k Job Type: Full Time, Permanent Location: Fareham, Hampshire (Hybrid working available) About the Opportunity: A UK-based technology organisation in Fareham is seeking a Software Development Engineer to support the development of software used within government, defence and law-enforcement environments. This role focuses on...

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 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# .

You will work alongside experienced engineers, data scientists and subject matter experts on programmes covering modelling and simulation, autonomous systems, synthetic environments and digital twins.

You will stay close to the code while contributing ideas, shaping solutions and engaging directly with customers.

Principal 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 Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...