Permanent Senior Software Engineer Jobs in Guernsey

1 to 25 of 26 Permanent Senior Software Engineer Jobs in Guernsey

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Understanding Recruitment
Are you keen to help in the transition towards sustainable lifestyles with clean technologies? Senior Software Engineer 🚩 Fully Remote in the UK 💰 £90,000 - £120,000 I am partnered with a Scale-Up Energy SAAS provider who are looking for a Senior Software Engineer … engineering strategy of the company. Their highly scalable, low latency platform is built on Java, AWS, Docker and Kubernetes. You will be an ideal Senior Software Engineer if you have: PhD educated background, ideally in Computer Science or Maths, Engineering Deep understand of Computer Science fundamentals and … your approach As a company they are massively scaling up their development function this year and you'll have a fantastic opportunity as a Senior Software Engineer to have a huge influence on the companies engineering strategy. If you have a PhD in Computer Science with a More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Understanding Recruitment
Have you been working with Core Java throughout your career using multithreading techniques? Do you have a PhD in Computer Science? REMOTE Senior Software Engineer – GreenTech Scale-Up Salary: £100k-130k Location: Fully Remote anywhere in the UK I am partnered with a rapidly growing and highly … successful CleanTech sustainability company who are looking for Senior Software Engineers to join their team as they continue to grow and become the leading energy supplier in the sustainable industry. Some of their biggest and most sustainable products include a platform the tells customers the most economic and … entirely Greenfield work . Tech stack : Java 19, AWS, Kubernetes, Docker, Microservices, GitHub Actions, NoSQL, Redis What makes you a great fit for this Senior Software Engineer position: An innovate thinker Deep comprehension of Advanced Computer Science fundamentals Knowledge of: Compiler Theory Graph Theory Algorithms Interval Graphs More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Understanding Recruitment
Senior Software Engineer – AI Voice Technology 📍 Location: Fully Remote 💰 Salary: $180k/£140k Senior Python Software Engineer (Python, FastAPI, Cloud Infrastructure) – We are hiring a Senior Python Software Engineer to join a pioneering AI company building next-generation voice automation technology. … play a key role in designing and maintaining high-performance enterprise-grade APIs , while collaborating with an expert engineering team. What we offer our Senior Python Software Engineer: ✅ High-ownership role in a fast-growing startup ✅ Fully remote flexibility – Work from anywhere in the world ✅ Equity options … growth opportunities – Scale your impact as the company develops ✅ Cutting-edge technology – Work with LLMs and AI frameworks If you’re an experienced Python engineer excited about AI, scalability, and building innovative products, this is your opportunity to make a real impact. Apply now for immediate consideration! Understanding Recruitment More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Gold Group Ltd
Senior Software Engineer Location: Remote UK Salary: £85,000-£95,000 About Us We’re a leading IT Services and Consulting company delivering innovative technology solutions that drive real results for our clients. From modernising legacy systems to building cloud-native platforms, we solve complex business challenges … with precision and purpose. As we continue to scale, we’re looking for a Senior Software Engineer to join our expert engineering team. If you thrive on solving problems at scale, mentoring others, and delivering clean, reliable software that drives impact — this is the role for … you. Your Role As a Senior Software Engineer, you'll play a key role in the architecture, design, and implementation of scalable backend systems across a range of client and internal projects. You’ll work closely with product managers, solution architects, and other engineers to deliver high More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
La Fosse
Senior Software Engineer | React | Next.js | TypeScript | £100k | Remote La Fosse is partnering with a Tech for Good Start-up, building a revolutionary product for special educational needs identification and support. They are seeking a Senior Software Engineer to join their tight-knit team as … meetup in London. Process: 3-stage virtual interview process If you are interested in this position and meet some of the requirements, apply now! Senior Software Engineer | React | Next.js | TypeScript | £100k | Remote More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
NGIS
global challenges including climate change, biodiversity and sustainable development. We are a Google Premier Partner and we specialise in designing and building high performing software solutions including both customer specific solutions (business to business model) as well as our own Software as a Service products. The Opportunity We … are looking for a full-time Senior-level Software Engineer to join the NGIS EU in team in Canada, UK or Italy to help with the development and delivery of our TraceMark Software as a Service products. The TraceMark Sustainable Solution factory includes products for: Sustainable … Sourcing () Sustainable Cities () Sustainable Fashion (). As a Senior Software Engineer, you will be responsible for building full-stack web, desktop and mobile applications based on customer requirements. You will primarily be working on TraceMark Software as a Service solutions as part of a high performing More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Digital Waffle
Job Title: Senior Software Engineer Location: Remote (UK-Based) Salary: £75,000 - £85,000 D.O.E + 10% Bonus We are working with an award-winning SaaS company who are looking for a Senior Software Engineer to join their team. You will work on creating … mobile-first, responsive designs Contribute to the planning and implementation of new features Collaborate with UX, Product, and Engineering teams to drive innovation Ensure software quality through automated testing and CI/CD best practices Tech Stack: C# .NET Core JavaScript, React, HTML, CSS Typescript Cloud experience with Azure … or AWS SQL Server, CosmosDB, Redis CI/CD, TDD, Docker, Kubernetes We are looking for passionate Senior Software Engineers who are keen to develop innovative solutions and work with the latest technology. If you’re interested, please get in touch! All applications will be reviewed, and suitable More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
dynamism vc
Business Intelligence Platform (YC-backed) | Senior Software Engineer At Dynamism.io, we’re excited to partner with the founding team at a leading open-source BI platform to find talented Senior Software Engineers. If you’re passionate about shaping the future of data visualization, building innovative … the team is expanding quickly to serve major clients such as Workday, Beauty Pie, Hypebeast, and Morning Brew. Role Overview and Responsibilities: As a Senior Software Engineer, you’ll play a critical role in enhancing and scaling the platform. From owning features end-to-end to collaborating More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (Graphics) - Sports Interactive (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Huckleberry Sport
About the job Job Title: Senior Software Engineer Team: Graphics Location: SI HQ, Here East, London/Remote Reporting to: Lead Software Engineer (Graphics) We are Sports Interactive 🎮 The gaming studio behind: ⚽ Football Manager. Founded in 1994, Sports Interactive (‘SI’) became a wholly owned subsidiary … improving the visual quality and performance of Football Manager is one of our main goals, and we are looking for an experienced, passionate graphics software engineer to join our team. In this role you will collaborate with peers in the Graphics Team as well as work closely with … scalable, high-quality rendering solutions. Knowledge, Skills, and Experience Essential: Extensive professional experience using C# as the main language. Significant experience as a graphics software engineer, having shipped at least one game using Unity on multiple platforms. Strong knowledge of Unity URP, including customization via Render Graph and More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (.NET Remote) (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Oliver Bernard
.NET Software Engineer – UK FinTech – Fully Remote – £70k–£100k + Bonus + Share Options I’ve got a new opportunity to share with you – one that ticks all the right boxes if you’re after meaningful engineering work, top colleagues, and the luxury of working from anywhere in … difference of London. We're partnering with a well-established UK FinTech brand that’s growing their remote engineering team. They’re hiring a Senior .NET Developer/Senior Software Engineer (C#.NET) to start as soon as possible. This is a fully remote role , with no … drop me a message and I’ll share more about the company, team, and next steps. Let’s get you into something exciting 🚀 🚀 .NET Software Engineer – UK FinTech – Fully Remote – £70k–£100k + Bonus + Share Options More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Premier Group
Senior Software Engineer - Unity Fully Remote within UK £70,000-£90,000 Are you an experienced Unity Developer looking for your next challenge on a fully remote basis – this role could be for you! I’m working with a leading ‘immersive technology business’ who develop content and … boundaries within the immersive space and with loads of new projects on the horizon, they are now looking to grow their team with a Senior Software Engineer to join their Studio! In role, you will have wide variety of responsibilities from collaborating with different teams to deliver More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Synchro
Role: Senior Software Engineer Location: Remote Day Rate: £600.00 - £700.00 (Outside IR35) Contract Duration: 6 Months We are currently recruiting for a Senior Software Engineer for a client in the e-commerce space, you will be responsible for the tech behind everything from scheduling … and CI/CD workflows Improve system documentation and knowledge sharing Ensure secure and reliable data handling (GDPR-compliant) Key Skills: 5+ years in software engineering, ideally with PHP and MySQL/MariaDB Strong AWS experience (EC2, RDS, S3) Comfortable working with legacy and bespoke systems Skilled in security More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Beazley Security
with an extra emphasis on expansion of our capabilities and capacity in helping solve unique client challenges. Summary: Beazley Security is seeking an experienced Senior Software Engineer to design innovative, secure scalable solutions that support our cybersecurity mission. As a key member of our global team, you … role will play a critical part in the continued improvement, scalable development, and support of products used to deliver Beazley Security services. As a Senior Software Engineer, this role will provide technical guidance around architecture and development, as well as mentor members of the Engineering team. This … test, and deployment processes. Create Infrastructure-as-Code. Collaboration: Work closely with product managers, other engineers, and stakeholders to define and deliver high-quality software solutions. Balance: Ensure feature development speed and reliability with well-defined service-level objectives. Improve: Continually update the deployment process to ensure only robust More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer - AI Fintech Product Company - FULLY REMOTE IN UK - £110k - TypeScript/ Python/ React/ AWS/ GenAI (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Opus Recruitment Solutions
I am supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! They are a heavily tech driven Product Company who put a huge emphasis on quality engineering, innovation and forward thinking. As … a Senior Software Engineer, you will work closely with their CTO and play a very important role on the direction of the product! You'll support with key tech decisions, architecture, project delivery and mentoring other Engineers in the team. Requirements: Deep experience with Python, TypeScript, React More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Immersum
Role: Software Engineer (Python) Location: UK or Europe (Remote) Salary: Up to £150K Industry: AI About the Company Our client is a fast growing, AI services company supporting leading brands across globe in addressing complex business challenges through the responsible application of AI. Their aim is to be … genuinely helpful. They make use of both pre-trained and fine-tuned Large Language Models, combined with robust software and data engineering, to assist customers in uncovering key information hidden within thousands of legal documents, extract critical insights from phone conversations, and pre-populate forms for end-users using … in a supportive and dynamic setting, where your communication and relationship-building skills will be highly valued. Key Responsibilities: - Lead the development of innovative software solutions, including financial trading platforms and public sector projects. - Design and implement high-performance, low-latency systems using a variety of technologies such as More ❯
Employment Type: Part-time
Posted:

Senior Java Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Unify Talent - IT, Digital & Tech Recruitment
Senior Software Engineer Java/Spring Boot/Python £400-435.00 per day, Outside IR35 Start ASAP - initially until the end of September (+ Likely extensions) Fully Remote - Must be UK based One of our valued partners requires the services of 2 x highly experienced Senior Software Engineers to join a project team delivering a large, high profile, Government program. Prior public sector or government sector experience would he highly desirable, and strong communication and customer engagement skills are essential! Technical Skills Required: Python, Flask framework experience or any experience on other MVC front More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Candour Solutions
Senior Software developer - Remote - £48,000-£50,000 (C#, .NetCore, React, SQL, Web API) plus fantastic benefits including - Health cash plan and your birthday off! Are you looking to join a forward-thinking company who are supportive and offers an inclusive work culture with a REAL focus on … invest in.. they invest heavily in technology too! A great culture with the opportunity to step up into a lead developer role. As a Senior Software Developer, you will be leading a team of three developers, working closely with the Product Owner, Architecture, and key stakeholders designing and More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Oho Group Ltd
Senior Full Stack Software Engineer - Fully Remote | UK Join a leading creative marketplace that connects creators with professionals across a range of specialisms, supported by advanced tools to enhance project development and collaboration. As a Senior Full Stack Engineer, you'll work equally across frontend … for; Strong Full Stack Experience with Node.js/TypeScript or similar technologies Strong experience with modern front-end JavaScript Frameworks, Vue.js or React.js Full Software Development Life Cycle Experience, ideally feature-based development Willing to work in a fast-moving scale-up environment. What's on offer: Fully Remote More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Explore Group
We’re partnered with a globally recognised team behind a widely used open-source platform. They’re looking for a Senior Software Engineer with strong Ruby experience to lead on new feature development, performance improvements, and robust testing — all within a fully remote environment. You’ll be More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Odin
from top angels, family offices and VCs to support our own growth, and we are just getting started. The Role We’re hiring a Senior Software Engineer with a strong backend focus to join our team. This role is essential in driving innovation within our engineering team … the running, it's time to spend some time unpacking your experience with the hiring manager (1hr) Task: Tech Review with Lluis & Kieron, our Senior Engineering Team - Now that you're in the running, it's time to spend some time assessing your coding ability with our team (1hr … Live System Design Interview with our Senior Engineering Team (1hr) Final: Final Interviews with Mary & Paddy, our Founders – At this stage, we're genuinely excited and believe you should spend some time with the founders, learning more about each other and our values. (2 hrs) Before each interview, we More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Prism Digital
Senior Fullstack Engineer | React, Node.js, Next.js, API | Tech for Good This is the chance to work for a unique organisation! Our client is a not-for-profit that reviews/certifies companies, governments and financial institutions for their environmental impact and awareness. They are the main global authority … the UK with an office in central London and has 700 staff globally (100 circa in the UK). My client is looking for Senior Full Stack Engineers who will play a key role in the ongoing development and innovation of their newly created platform. This role is fully … the world Paid sabbaticals Generous maternity & paternity benefits This is an urgent role and will go fast. If you are interested, please apply quickly!!! Senior Fullstack Engineer | React, Node.js, Next.js, API | Tech for Good More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
83zero
Location: UK Remote Salary: £55,000 - £65,000 + exceptional benefits! Our client is seeking an experienced Senior Engineer with a strong passion for product development to join their innovative SaaS application team. This role is pivotal in shaping and delivering a fully serverless platform built on AWS … technical stakeholders. Proactive in seeking opportunities to improve processes and systems. Ability to work effectively in an agile, collaborative environment. Required: Strong experience in software development for SaaS applications. Extensive experience with JavaScript and at least one modern front-end framework. Proven track record of delivering high-quality, user More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
La Fosse
Senior Full Stack Engineer | Remote | React | Node | TypeScript | £95k + Equity La Fosse has partnered with a creator enablement platform that helps some of the world's most famous and talented creators maximise their commercial potential. As they move towards securing Series B funding, they are seeking Senior … with a quick 3-stage virtual interview. If you're interested in the position and feel you fit some of the requirements, apply now! Senior Full Stack Engineer | Remote | React | Node | TypeScript | £95k + Equity More ❯
Employment Type: Part-time
Posted:

🌳 Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed - UK-based - - Rapid Growth - Fully Remote 🌳 (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Areti Group | B Corp™
Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote 🌳 Areti Group is excited to partner with a Series funded startup poised for rapid expansion, growing by 40 heads in the next 3 months! We are urgently seeking x8 Fullstack Tech leads … Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both … scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (United Kingdom)

Guernsey, UK
Hybrid / WFH Options
Oho Group Ltd
development teams in the world and it is a great opportunity to learn from the best of the best. Whilst they are open to software developers of all experiences they are specifically looking for very talented C++ Software Developers who have at least three years commercial experience using More ❯
Employment Type: Part-time
Posted: