C# Jobs in Guernsey

1 to 25 of 35 C# Jobs in Guernsey

Dotnet Developer

Guernsey, UK
Hybrid / WFH Options
develop
agile ceremonies Collaborate with a distributed team to deliver solutions on time and to spec What Youll Need 3+ years of professional experience in .NET development Strong proficiency in C#, ASP.NET Core, Entity Framework Solid understanding of RESTful API design and software architecture principles Experience with Azure or other cloud environments preferred Good communication skills and ability to work independently More ❯
Employment Type: Part-time
Posted:

Java Full Stack Engineer

Guernsey, UK
Stealth iT Consulting
and integrating with NoSQL database (familiarity with MongoDB is preferred) or SQL databases such as Postgres Familiarity with web standards, accessibility, and development best practice Bonus: Building microservices in C# Experience building solutions that integrate with LLMs using tools such as Vercel AI, Langchain etc. Using the GOV.UK Design System and using Nunjucks More ❯
Employment Type: Part-time
Posted:

Full Stack Engineer

Guernsey, UK
Lorien
migration methodology and tooling robustness. Adapt to diverse legacy stacks, including proprietary or niche technologies. Required Skills & Experience 5+ years of full-stack development experience. Strong coding skills in: C#, .NET Core & one of Python/JavaScript/TypeScript. Experience modernising or migrating legacy systems (e.g., WinForms, WebForms, classic ASP). Familiarity with AI developer toolchains (LangChain, Semantic Kernel, Devin More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
Applause IT Recruitment
and process improvements Contributing to architecture, UX, and security decision-making Occasionally supporting junior developers and end users What theyre looking for: 5+ years of experience with .NET Core, C#, SQL Server Proficiency with Blazor, Razor Pages, and EF Core Strong front-end skills: HTML, CSS, JavaScript/jQuery, responsive design Solid understanding of web security, application architecture, and database More ❯
Employment Type: Part-time
Posted:

Software Engineer

Guernsey, UK
Oracle
The challenge is making the right trade-offs, communicating those decisions effectively, with crisp execution. Qualifications 4+ years of full-stack software development experience Working knowledge in Java, C++, C#, or similar OO language Experience developing customer-focused architectures and restful web services Work with modern Javascript libraries and frameworks such as React, Angular, and Bootstrap Experience driving security reviews More ❯
Employment Type: Part-time
Posted:

Contract QA/Test Automation Lead Trading Platforms (Outside IR35)

Guernsey, UK
Hybrid / WFH Options
Pharos Resource Partners
Youll Bring 8+ years QA/engineering experience, including 5+ within financial or trading systems Strong hands-on experience with Azure, AKS, Solace (or Kafka/RabbitMQ), SQL, and C#/.NET Proven track record designing automation frameworks and performance/security test suites Excellent communication and leadership skills with the ability to influence cross-functional teams Contract Details Initial More ❯
Employment Type: Part-time
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Back End Developer

Guernsey, UK
PRACYVA
Hands-on experience and prociency with C# .Net specically Azure Cloud usage. Databases: Azure Cosmos DB, Snowake, Azure Data Factory Cloud Services: Azure - Azure Functions, Service Bus, Azure Storage, Key Vault CI/CD: Azure DevOps Solid understanding of software development methodologies. Knowledge of RESTful APIs and microservices architecture. Strong understanding of serverless architecture and cloud computing principles Experience with More ❯
Employment Type: Part-time
Posted:

Dynamics Developer

Guernsey, UK
Brio Digital
handover to BAU teams. What Youll Bring Proven experience developing within Microsoft Dynamics 365 (CE/CRM). Strong skills in Power Apps, Power Automate, and Dataverse. Proficiency in C#, JavaScript, and Dynamics SDK/custom connectors. Understanding of Azure functions, APIs, and integration patterns. Experience working in agile, multidisciplinary environments. Awareness of government data and security standards. Nice-to More ❯
Employment Type: Part-time
Posted:

Full Stack Tech Lead Developers/Tech Leads Needed Fully Remote (UK) | Up to 85,000

Guernsey, UK
Hybrid / WFH Options
Areti Group | B Corp
requests per minute. Contribute to architecture, DevOps, CI/CD, and cloud infrastructure. What were looking for Strong full-stack development experience with object-oriented languages (Ruby, PHP, Java, C#, etc.). Experience mentoring or leading developersor ready to take the next step into leadership . Passion for clean code , collaboration, and continuous improvement. Comfort with agile practices pair programming More ❯
Employment Type: Part-time
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Senior Software Engineer

Guernsey, UK
Hybrid / WFH Options
AG Talent
a bit of backbone. People wholl push back when something doesnt make sense. The stack is Kotlin on AWS, but if youve used any OO language (Java, Python, Ruby, C#, PHP) and are open to learning, thats fine. Theres a monolith (by design), organised into modules. Theyre not obsessed with microservices for the sake of it. Youll join a More ❯
Employment Type: Part-time
Posted:

Urgent! x8 Polyglot Fullstack Tech Leads Needed UK-based Series A Funded Startup Rapid Growth Fully Remote

Guernsey, UK
Hybrid / WFH Options
Areti Group | B Corp
both front-end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : Ruby-on-Rails, Java, Python, C# 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 More ❯
Employment Type: Part-time
Posted:

Hands on Development Lead

Guernsey, UK
TAINA Technology Limited
secure environment. Experience, skills and attributes: A people focused person A genuine passion for mentoring and line management Comfortable working in a distributed Agile environment 5+ years' experience of C# development Proven experience creating awesome web user interfaces, ideally responsive websites Experience with Web API, RESTful services Experience with at least one RDBMS such as SQL Server, MySQL, PostgreSQL Knowledge More ❯
Employment Type: Part-time
Posted:

Full Stack Engineer

Guernsey, UK
Oracle
web services Work with modern JavaScript libraries and frameworks such as React/pReact. TypeScript as well as experience with micro front-end architecture Development experience in Java, C++, C#, and/or .NET Deep understanding of object-oriented design and SDK development, specifically within a cloud environment Experience working with other cloud teams and accommodating requirements from those teams More ❯
Employment Type: Part-time
Posted:

Software Engineer

Guernsey, UK
trg.recruitment
leading Workplace Wellbeing and Health company (Mental Health, Absence Support, Coaching and more. This company makes a real difference in people's lives for the better. Details: Tech Stack: C#, .NET, Azure | Ideally Svelte or Vue JS (Angular or React is also okay) Paying around 40-60k DOE Start-up culture. Working on greenfield projects, including AI and other More ❯
Employment Type: Part-time
Posted:

Senior Power Platform Developer

Guernsey, UK
Hybrid / WFH Options
Cognitive Group | Part of the Focus Cloud Group
deliver transformative digital experiences . About You 4+ years hands-on experience with Power Platform and D365 development Strong skills in Dataverse, Power Apps, Power Automate, Power BI, and C# . Experience delivering public-facing portals Knowledge of Logic Apps or Azure Functions . A passion for innovation, problem-solving, and clean, scalable architecture . More ❯
Employment Type: Part-time
Posted:

D365 CE Developer

Guernsey, UK
Hybrid / WFH Options
Nigel Frank International
Microsoft Dynamics features and best practices. What Were Looking For: Experience : 2+ years working with Dynamics 365 CE (Customer Engagement), including configuration, customization, and integration. Technical Skills : Proficient in C#, JavaScript, Power Platform, and CRM SDK. Certifications : Microsoft Dynamics 365 certification (preferred but not essential). Soft Skills : Strong communication skills and a problem-solving mindset, with a knack for More ❯
Employment Type: Part-time
Posted:

Automation Test Analyst

Guernsey, UK
Peregrine
junior testers on best practices in automation testing. Qualifications 3+ years of hands-on automation testing experience. Required Skills Strong programming skills in Java; knowledge of other languages (Python, C#, JavaScript) is a plus. Proven experience creating automated test scripts from scratch. Experience with regression testing and test case maintenance. Broad knowledge of automation testing tools (e.g., Selenium, Cypress, TestNG More ❯
Employment Type: Part-time
Posted:

Technical Support Analyst - SQL

Guernsey, UK
Hybrid / WFH Options
IRIS Software Group
Good general IT knowledge (desktops, major apps, basic networks) plus strong comms, detail focus, and problem-solving. Nice to have Some exposure to web app debugging ( ASP/ASP.NET (C#) or JavaScript ). Experience with iSAMS/education MIS . Remote (UK) with occasional office visits. 37.5 hours per week on rotating shifts: 06:0014:00/ More ❯
Employment Type: Part-time
Posted:

EPM Developer

Guernsey, UK
Catch Resource Management
EPM, CPM, Enterprise Performance Management, Corporate Performance Management, OneStream, CCH Tagetik, Anaplan, Oracle EPM, IBM, Cognos, Hyperion, Essbase, SAP BPC, Technical Consultant, Software Engineer, Developer, Software Developer, SQL, VB., C#, FP&A, Financial Transformation, Planning, Budgeting, Forecasting, Business Rules, Reporting, Integration, Consolidation- UK - Remote - 55,000 - 75,000 per annum (depending on experience) Our client, a leading OneStream consultancy are More ❯
Employment Type: Part-time
Posted:

Copilot Lead

Guernsey, UK
Catch Resource Management
Power Platform. MLOps and lifecycle management - CI/CD for models, monitoring, drift management, and continuous improvement. Hands-on capability in programming and data engineering (for example Python or C#), with fluency in APIs, connectors, and security. Exceptional stakeholder management, facilitation, and communication, bridging technical vision and business value. Pre-sales and proposition development experience, including case building and ROI More ❯
Employment Type: Part-time
Posted:

Senior Full Stack Engineer

Guernsey, UK
Hybrid / WFH Options
Claimit
and engineers to build features end-to-end, from shaping APIs to crafting polished UIs Key Responsibilities Design and develop scalable, performant, and maintainable applications using Blazor, ASP.Net Core, C#, and Azure. Build responsive, intuitive front-end components and integrate them with back-end APIs and databases. Collaborate with stakeholders, product managers, and engineers to transform business requirements into working … scalability, and security What Were Looking For Prior commercial experience as a Full Stack Developer (or similar title), ideally within a startup or fast-paced environment. Strong knowledge of C#, ASP.Net Core, Blazor, Razor Components, and RESTful APIs. Solid experience with front-end technologies (HTML, CSS, JavaScript/TypeScript). Experience with SQL databases (e.g., SQL Server, PostgreSQL) and ORM More ❯
Employment Type: Part-time
Posted:

Senior/Principal Clinical Database Manager

Guernsey, UK
Hybrid / WFH Options
Precision Medicine Group
Able to handle a variety of clinical research tasks. Excellent organizational and communication skills Professional use of the English language; both written and oral. Experience in Object Oriented Programming (C#, C++, VBS, etc.), scripting language (PERL, etc.), SAS, R, SQL Understanding of CDISC standards (CDASH, SDTM, ADaM, etc.) Experience in clinical database management system development. Experience in a clinical, scientific More ❯
Employment Type: Part-time
Posted:

Enterprise Resources Planning Technical Consultant / Team Leader

Guernsey, UK
Chapman Tate Associates
. Experience leading technical teams and managing project delivery. Excellent communication and problem-solving skills. Bonus Points For Epicor certifications Integration experience (REST, SOAP, EDI) SQL Server, SSRS, or C# knowledge Why Join Us? Collaborative, forward-thinking environment Opportunities for growth and certification Flexible working options Competitive salary + benefits Interested? Lets talk! Apply now or message us directly to More ❯
Employment Type: Part-time
Posted:

Senior Red Team Operator

Guernsey, UK
Iceberg
A deep skillset in one or more areas: evasions, custom malware, cloud red teaming, physical access, phishing infrastructure, or post-exploitation Strong scripting or development background (e.g., Python, Go, C#, or C) Experience with major red team frameworks (e.g., Sliver, Mythic, Cobalt Strike) and a willingness to go beyond them Familiarity with adversary emulation frameworks and MITRE ATT&CK Exposure More ❯
Employment Type: Part-time
Posted:

Dynamics 365 F & O Technical Architect

Guernsey, UK
Stellar Omada
Dynamics 365 F & O Technical Architect 6m initially Remote Excellent day rate Recruiting for an experienced Dynamics 365 F & O Technical Architect X++ .net/C# Web services DIXF/Azure Data Factory Experience of: Inegration patterns Customisation & Security Report development If interested please reply or send cv to bryancherrie@stellaruk.co.uk initially thanks. More ❯
Employment Type: Part-time
Posted: