Remote Part-Time Senior Software Engineer Jobs

22 of 22 Remote Part-Time Senior Software Engineer Jobs

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
Formula Recruitment
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 ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
Your Next Hire
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 ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation
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 ❯
Employment Type: Part-time
Posted:

Senior C++ Software Engineer

Guernsey, UK
Hybrid / WFH Options
Spectrum IT Recruitment
Senior C++ Software Engineer required by a global software company developing products for use in data security. *Fully remote - no office based work required at any point The successful Senior C++ Software Engineer will join a team developing new components that are integrated into a microservices architecture. Proven experience programming C++ on Windows More ❯
Employment Type: Part-time
Posted:

Senior Embedded Software Engineer

Guernsey, UK
Hybrid / WFH Options
83zero
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 ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
Maxwell Bond
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 ❯
Employment Type: Part-time
Posted:

Senior Software Engineer | Typescript | Fully Remote

Guernsey, UK
Hybrid / WFH Options
Wilson Brown
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 ❯
Employment Type: Part-time
Posted:

Senior Software Engineer | Typescript | Fully Remote

West London, UK
Hybrid / WFH Options
Wilson Brown
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 ❯
Employment Type: Part-time
Posted:

Senior Software Engineer | Typescript | Fully Remote

Central London, UK
Hybrid / WFH Options
Wilson Brown
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 ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (AI HealthTech) - Up to 100k + Bonus + Equity - FULLY REMOTE

Central London, UK
Hybrid / WFH Options
Hunter Bond
Job Title: Senior Software Engineer (AI HealthTech) Client: AI HealthTech Scale-Up Backed by Top-Tier Investors, Led by World-Class Engineers Salary: Up to 100k + Bonus + Equity Location: Remote (UK-based) with an optional Holborn office Sells: Work on cutting-edge AI systems that power healthcare innovation at scale. Full remote flexibility across the … Python/FastAPI/Cloud), and a culture that rewards curiosity, autonomy, and clean engineering. An AI HealthTech company is expanding its high-calibre engineering team and looking for Software Engineers who thrive on building elegant, scalable systems from the ground up. Youll be joining a small, world-class team working on distributed backend platforms, data-driven AI tools … and core infrastructure supporting advanced medical technologies. This is a true software engineering role where you'll be designing, building, and scaling complex systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (AI HealthTech) - Up to 100k + Bonus + Equity - FULLY REMOTE

West London, UK
Hybrid / WFH Options
Hunter Bond
Job Title: Senior Software Engineer (AI HealthTech) Client: AI HealthTech Scale-Up Backed by Top-Tier Investors, Led by World-Class Engineers Salary: Up to 100k + Bonus + Equity Location: Remote (UK-based) with an optional Holborn office Sells: Work on cutting-edge AI systems that power healthcare innovation at scale. Full remote flexibility across the … Python/FastAPI/Cloud), and a culture that rewards curiosity, autonomy, and clean engineering. An AI HealthTech company is expanding its high-calibre engineering team and looking for Software Engineers who thrive on building elegant, scalable systems from the ground up. Youll be joining a small, world-class team working on distributed backend platforms, data-driven AI tools … and core infrastructure supporting advanced medical technologies. This is a true software engineering role where you'll be designing, building, and scaling complex systems that solve real problems in healthcare. Role Design and build production-grade backend systems using Python and FastAPI Develop distributed, high-performance services and APIs for AI-driven platforms Contribute to architecture decisions, scalability planning More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
Digital Waffle
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 ❯
Employment Type: Part-time
Posted:

Senior Frontend Software Engineer

Lisburn, Co. Antrim, UK
Hybrid / WFH Options
Camlin Group
difficult problems. As of now, Camlin operates in over 20 countries worldwide. What to expect day to day: We are looking for talented engineers to join our team as Senior Frontend Engineer and work on exciting projects that involve developing web interface for visualizing data collected from IoT devices that monitors the electrical grid, visualization of current assets … and their displacement, etc. As a Senior Frontend Engineer, you can expect to work in a dynamic and innovative environment, collaborating with multi-disciplinary teams to develop cutting edge solutions. Day to day, you'll be working on developing and maintaining web UIs and dashboards that enable data visualization and analysis, deployment pipelines, infrastructure challenges and much more. … and development of reusable frontend framework components Design and development of frontend Web UI SaaS applications Migration of legacy web UI applications to modern JS frameworks Contribution to Camlins software development strategies Participation in Agile Scrum and design meetings Governance of web application CI/CD pipelines Governance of web application software quality (e.g. unit tests, SAST, SCA More ❯
Employment Type: Part-time
Posted:

Remote Senior Java Software Engineer - Crypto Fintech

West London, UK
Hybrid / WFH Options
McGregor Boyall
some of the world's most dynamic markets. Trusted by regulators and institutions worldwide, their systems monitor over a trillion events every single day. They are now seeking a Senior Software Engineer to join the Algos Team. In this role, you'll design and develop advanced algorithms that detect and prevent market abuse, fraud, and compliance breaches … design of scalable, low-latency systems Collaborate with quants, data scientists, and compliance experts Enhance and maintain a mission-critical global codebase What they're looking for 5+ years' software engineering experience (3+ in financial markets/algos) Strong coding skills in Java, Kotlin, C#, or C++ (Python a plus) Hands-on experience with real-time data processing & distributed … systems Strong understanding of software engineering and system architecture A proactive problem-solver with excellent collaboration skills Why Join? Fully remote role with global collaboration Work at the intersection of finance and crypto innovation Be part of a mission-driven company protecting millions of investors Ready to help build safer, fairer financial and crypto markets? Apply now. Desired Skills More ❯
Employment Type: Part-time
Posted:

Remote Senior Java Software Engineer - Crypto Fintech

Central London, UK
Hybrid / WFH Options
McGregor Boyall
some of the world's most dynamic markets. Trusted by regulators and institutions worldwide, their systems monitor over a trillion events every single day. They are now seeking a Senior Software Engineer to join the Algos Team. In this role, you'll design and develop advanced algorithms that detect and prevent market abuse, fraud, and compliance breaches … design of scalable, low-latency systems Collaborate with quants, data scientists, and compliance experts Enhance and maintain a mission-critical global codebase What they're looking for 5+ years' software engineering experience (3+ in financial markets/algos) Strong coding skills in Java, Kotlin, C#, or C++ (Python a plus) Hands-on experience with real-time data processing & distributed … systems Strong understanding of software engineering and system architecture A proactive problem-solver with excellent collaboration skills Why Join? Fully remote role with global collaboration Work at the intersection of finance and crypto innovation Be part of a mission-driven company protecting millions of investors Ready to help build safer, fairer financial and crypto markets? Apply now. Desired Skills More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
AG Talent
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 ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
ViVA Tech Talent
Senior Ruby on Rails Engineer Location: Remote (UK must be UK resident) Salary: Up to 75,000 , plus benefits Why Join? ViVA Tech Talent are hiring for a fast-growing, product-led tech company looking for a Senior Ruby on Rails Engineer to help shape the next chapter of their platform. Youll play a key role More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
Oho Group Ltd
Join a High-Growth Tech Start-Up | C++ Software Engineer | Six-Figure Potential | Fully Remote Were working with a fast-growing, tech-first start-up thats building high-performance software used by clients around the world. Theyre looking for exceptional C++ developers to join their small, world-class engineering team people who love solving complex problems, writing … academic background , ideally with a degree in Computer Science, Mathematics, Physics, or Engineering from a Russell Group or equivalent top-tier university . A passion for building efficient, reliable software and solving complex technical challenges. Self-motivated, innovative, and always looking to improve. If youre an ambitious C++ developer ready to join a fast-growth start-up and work More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
Innova Recruitment
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 ❯
Employment Type: Part-time
Posted:

Senior Java Software Engineer

Guernsey, UK
Hybrid / WFH Options
ITR | part of Ascent International Group
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 ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
Oho Group Ltd
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 ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
Oho Group Ltd
need exceptional C++ engineers to join the team and make an impact from day one. As part of a world-class engineering team, youll design and optimise high-performance software that impacts users at global scale. Youll work in an environment that values innovation, technical depth, and collaboration across disciplines. Youll bring: 3+ years of professional experience with modern … C++ Exceptional academics with a degree in Computer Science, Maths, or Physics Expertise in systems programming, performance tuning, and scalability A passion for building efficient, reliable software that drives real-world impact If you want to build technology at scale and shape the future of how people connect and interact, wed love to hear from you - interviews are being More ❯
Employment Type: Part-time
Posted:
Senior Software Engineer
Work from Home
10th Percentile
£62,500
25th Percentile
£71,250
Median
£95,000
75th Percentile
£115,625
90th Percentile
£135,000