16 of 16 Senior Software Engineer Jobs in Guernsey

Senior Software Engineer Web3 & Digital Finance Platform Up to 85,000 + Equity Full Remote - Europe Were representing a pioneering digital finance company operating at the intersection of FinTech and Web3 . Their platform powers a new generation of yield and investment products for digital asset holders, combining financial-grade infrastructure with the flexibility and innovation of … blockchain technology. Theyre now looking for a Senior Software Engineer to join their distributed engineering team. This is a rare opportunity to work on real-world Web3 integrations and contribute to a production-grade platform that underpins institutional-scale digital finance. Youll be part of a small, high-performing engineering team responsible for building and evolving the … companys core backend systems and APIs. Your work will directly support blockchain integrations, custody solutions, and partner-facing investment products. Key Responsibilities as a Senior Software Engineer: Design, develop, and maintain backend systems and APIs that power digital asset and yield products. Build integrations with crypto exchanges, custodians, and blockchain data sources. Write robust, maintainable, and well More ❯

The Vacancy Are you a Senior Software Development Engineer looking to join a company where your work truly makes a difference? Where youre empowered to innovate, collaborate, and help shape the future of healthcare technology? Then this could be the opportunity for you. Were looking for a talented Senior Software Development Engineer to join … to enable NHS and other healthcare users to harness the analytical power of the EMIS-X Analytics platform. Youll work with Python, SQL, and AWS, collaborating with data and software engineers to deliver impactful solutions. What youll do We believe in the power of technology to make healthcare faster, better, and more accessible to all. As a Senior Software Development Engineer, youll play a key role in helping us deliver innovative products that support healthcare professionals in making informed decisions. Key responsibilities include: Contributing to all stages of the development lifecycle including architecture, code reviews, testing, and non-functional requirements. Writing reusable, testable, and efficient code. Supporting the team in achieving product delivery goals. Collaborating More ❯

Senior Software Engineer | Digital Identity, Supply Chain & FinTech Competitive salary + share options UK - Remote Were partnering with an innovative authentication and automation platform operating at the intersection of digital identity, cybersecurity, and financial technology. Backed by experienced founders and VC investment, the company is scaling its first commercial applications in private credit and supply chain automation. … The Role Were seeking a Senior Software Engineer to architect and deliver enterprise-grade applications using React, TypeScript, and modern cloud infrastructure. Youll lead the development of high-performance systems for supply chain optimization and financial automation, working end-to-end from architecture through deployment. Key Responsibilities Design and implement scalable supply chain and financial systems Integrate … architecture decisions and mentor developers Ensure security, performance, and regulatory compliance Tech Stack React | TypeScript | PostgreSQL | Tailwind | Supabase | REST APIs | Cloud Infrastructure What Were Looking For 5+ years in software engineering Strong expertise in React, TypeScript, and PostgreSQL Experience with supply chain or financial systems Proven leadership and strong communication skills Bonus Points Experience with data visualization, blockchain, or More ❯

Senior Software Engineer Payments Location: United Kingdom (Remote/Flexible) Schedule: MondayThursday Salary: 85k About the Company A leading global digital platform empowering creators and businesses to launch innovative projects. With billions processed worldwide, the company is dedicated to building transparent, compliant, and scalable financial systems that support a global community. The Role Were seeking a Senior Software Engineer to join the Payments team, responsible for designing and maintaining compliant, efficient, and auditable global payment flows. Youll ensure accurate tax handling (VAT, HST, GST) and financial reporting across multiple jurisdictions, collaborating closely with Product, Finance, and Legal teams. Key Responsibilities Design, build, and maintain tax-aware, compliant payment systems. Develop automated solutions for tax More ❯

Senior Software Engineer Fully Remote - UK Based 60,000 C#, .Net, .Net Core, Angular, Microservices, Azure, AKS Your Next Hire have partnered with a SaaS provider who are transforming the automotive industry. They have an established client base and an established product estate, currently on a journey to rewrite and migrate all of their legacy applications to … a modern, azure hosted approach, making use of AKS, Microservices, Angular and .Net 8. We're looking for a senior full stack software engineer to join the team. Someone who is passionate about delivering high quality code, wants to work in a small, but collaborative team and can offer technical guidance to our junior developers Responsibilities Writing … clean, high-quality, high-performance, maintainable code Develop and support software including applications, database integration, interfaces, and new functionality enhancements Coordinate cross-functionally to insure project meets business objectives and compliance standards Support test and deployment of new products and features Participate in code reviews Must Have: Hands on experience developing across the full stack Extensive background with .Net More ❯

Senior Software Engineer | Golang, Node.js, TypeScript, React & AWS | Fully Remote (Southwest preferred) | Salary 60-70k Would you like to join a fintech thats taking the pain away from an entire sector of the finance industry? This business was founded by someone with deep industry expertise and strong technical ability. They built the first version of their … instant success. Since then, demand has surged, and theyve now developed Version 2 and rolled it out to a much larger user base. Theyre now looking for a new Senior Engineer to join the team as they continue to scale. Youll be an established Senior or a high-end Mid-Level Engineer whos on the verge More ❯

Job Title: Senior Embedded Software Engineer Location: Fully Remote (UK) Salary: 80,000 - 90,000 per annum (DOE) Are you a systems-focused engineer with a passion for virtualisation and fullstack development? We're hiring a Senior Systems Engineer to join a UK-based tech company that's building innovative solutions across storage, networking … and compute virtualisation. About the Role As a Senior Embedded Software Engineer, you'll be responsible for developing and maintaining a fullstack virtualisation software platform. You'll work across the full software development lifecycle, from prototyping and architecture to debugging and deployment. This is a hands-on role with the opportunity to influence technical standards … across the platform. Key Responsibilities Design and develop well-structured, testable, and efficient code in C and Python. Prototype solutions and troubleshoot complex system bugs. Lead development of entire software systems and oversee project execution. Recommend and implement new technologies to improve functionality and productivity. Collaborate with cross-functional teams across engineering, QA, and product. Maintain technical standards and More ❯

Senior Product Engineer Remote First (Occasional travel to London) | 100k + 10% Bonus Python, TypeScript, GCP/AWS Are you a software engineer with a product mindset? Do you ask questions about what youre building, challenge assumptions, and care deeply about solving real user problems? If so, this is the opportunity for you. This is an … opportunity for a Senior Product Engineer to join a fast-growing AI and Data scaleup thats pushing the boundaries of innovation in the UK. Youll work alongside a team of like-minded engineers to build products that deliver high value to users and make a real impact in a niche, cutting-edge space. You will thrive here if … and a willingness to challenge the status quo. Excellent communication skills and a collaborative mindset. If this sounds like you, and you would like to learn more about the Senior Product Engineer position, then apply or get in touch today for more information. More ❯

Senior Software Engineer Web | Fully Remote (UK) Founding Engineer | TypeScript | Next.js | React | Tailwind | Shadcn | GCP | Prisma An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Web & Frontend) with deep experience in Typescript, React and Product development. Role Information: Salary : Up to 100,000 (DOE) + Equity Location : Fully … where youll craft exceptional UIs, architect APIs, and work across infrastructure ideal for someone who thrives in startup environments, enjoys ownership, and wants to build in the agentic age. Senior Product Engineer - Highlights: Build and maintain full-stack features using TypeScript, Next.js, and React Design APIs and backend services with Prisma, Postgres, Redis, and GCP Implement responsive, accessible More ❯

Role: Senior Software Engineer Salary: 50,000 - 65,000 Location: Fully Remote (UK based) Type: Permanent Full Stack Developers who love remote working, this one is for you! I have partnered with a fast-growing technology. Their currently looking for additional team members to assist with the continued growth and increase in work! Full Stack Developer required More ❯

Were building the next generation of merchant-first digital solutions and were looking for a Senior Software Engineer to help shape it. Youll join a small, empowered team that values innovation, collaboration, and real-world impact. What Youll Do Design and develop backend, service, and portal systems for our payment platform. Use modern practices such as BDD … solve real business challenges and improve our development processes. Work through the full lifecycle from requirements to release - with freedom and accountability. What Youll Bring 57 years experience in software engineering, with a degree in Computer Science or related field. Strong skills in C# or Java, plus experience in database design and web technologies (HTML, JavaScript, CSS). Solid More ❯

Role: Senior Java Software Engineer (pref. Back-end) Salary: 85,000100,000 + equity + bens Location: UK Remote Sector: FinTech Start-Up About the Company Wedo are collaborating with a FinTech start-up. The founders have an unrivalled track-record of scaling successful businesses, largely across the FinTech sector. This product, focusing on Wealth Management, is … on board to expedite design and development...the mentality is very much own it, build it, ship it and host it. The Team Circa 30-40 in total. One Lead engineer across both back-end and front-end. This position reports into the CTO. The Stack Java AWS/Heavily Microservices-led React-Typescript React-Native IaC - Terraform Agnostic mindset More ❯

Senior Backend Engineer Remote across UK & Europe Tech: Kotlin, React, Postgres and AWS Theyve built something that makes accountants say, I didnt think this was even possible. And theyre just getting started. This isnt maintenance work or fixing spaghetti left by the last engineer. Its new product build. Youll be delivering features, reducing tech debt, and shaping the … for high-performing applications Own your work from design through to deployment Keep code readable, maintainable and tested (they dont worship TDD, just logic and clarity) Work closely with senior engineers who give good, honest PR feedback Use AI in your workflow as much as you want, they actively encourage it You should apply if you: Have strong experience More ❯

a multi-tenant system used in both UK & US. As the development team keep pace with the company's international expansion plans, there's a role for an experienced Software Engineer that has opened up. There's a slight bias towards backend development but someone comfortable across the full stack would be hugely desirable. As one of twelve … developers, everyone has a voice and everyone has a contribution to make. Core tech stack: JavaScript/TypeScript, Node, Express, React, AWS What we are looking for: Strong software engineering experience (that probably looks like 5-6 years plus but we're not going to be purely rule out based on years on the clock) Good command of AWS … experience of integrations into multiple third parties through APIs Excellent command of Node.js and the ability to build scalable applications Appreciation of the wider concepts that go into making software great e.g. accessibility, monitoring, security etc Youll be required to implement both independent skill sets and work collaboratively as part of a small team A little bit more: Salary More ❯

Senior Java Developer - FinTech Start-up (Remote, UK) Salary: 50,00080,000 + EMI Stock Options Location: Fully Remote (UK or Europe-based preferred) Company: High-Growth FinTech Start-up Join a Fast-Growing FinTech Revolutionising Payments Were partnering with a venture-backed FinTech start-up thats redefining how businesses manage international payments and currency conversion. Their mission is … fees, manual processes, and outdated broker models - their use of AI is pivotal to their mission and the how. The business is now looking to hire a hands-on Senior Java Developer to help scale their platform and shape the next phase of growth. The Opportunity This is a rare chance to join a well-funded, product-led start … Java, Spring Boot Infrastructure: AWS, Kubernetes APIs: Currency Cloud (and similar FX/payment APIs) Tools: GitHub, Slack, AI-driven automation tools Why Apply? If youre an experienced Java Engineer ready to step up into technical leadership or someone who wants to make a real impact in a product-led FinTech - this is an opportunity to help shape an More ❯

Experienced Full Stack Engineer - Early Stage, Highly Profitable Start-Up - Fully Remote (UK) Up to 120,000 + equity A small, profitable, and fast-moving startup is looking for an experienced Full Stack/Backend engineer to join its elite team (ex-Meta). They are early-stage but already generating strong revenue, with ambitious plans. This role … rare chance to join a high-performing team early and have a real impact - without the chaos of a typical startup or the bureaucracy of big tech. Experienced Backend Engineer - Early Stage, Highly Profitable Start-Up - Fully Remote (UK More ❯