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  •  ...This role will be responsible for developing and maintaining end-to-end software solutions...  ...resolve technical issues across the full technology stack. Conduct unit testing, participate in...  ...applications. Mentor, coach, and support junior and mid-level developers to build... 
    .Net
    C#
    Long-term contract
    Full-time
    Temporary
    Stratford, Greater London
    4 days ago
  •  ...and M25 ABOUT THE POSITION Spreadex are seeking skilled Full-Stack Software Engineers to join their development team. As a Full-...  ...work-life balance. ABOUT OUR TECH STACK Typically we use: C#/.NET for microservices and APIs Oracle for data Angular and... 
    .Net
    C#
    Odd job
    Holiday work
    Hybrid working
    On-site
    Remote

    Spreadex Careers

    St Albans, Hertfordshire
    more than 2 months ago
  • £90k - £120k per annum

     ...Management, Storage, and Networking. ~ Strong knowledge of .NET Core, Web API, C#, and Visual Studio. ~ Experience with Azure DevOps, CI/CD,...  ...Azure Logic Apps, Azure API Management, and Azure Storage to develop robust applications, ensuring seamless integration with on-premises... 
    .Net
    C#
    Full-time
    Hybrid working
    On-site
    3 days/week

    Cognizant

    St Albans, Hertfordshire
    1 day ago
  • £50k - £70k per annum

     ...year Requirements: ~### ~ Extensive commercial experience with C# / .NET in integration-heavy environments ~ Strong understanding of...  ...authentication, and encryption ~### Responsibilities: ~ Develop and maintain secure, scalable integrations with financial and third... 
    .Net
    C#
    Full-time
    Hybrid working
    On-site
    3 days/week

    Rise Technical Recruitment

    Park Street, Hertfordshire
    10 days ago
  • £52k - £69k per annumEstimated
     ...one of the following programming languages: Python, Java, JavaScript / TypeScript, C#, Go • Proficient in secure code review of at one language...  ...We’re a big business and we can offer a range of diverse full-time & part-time working patterns across our many business... 
    Javascript
    C#
    Full-time
    Part-time
    On-site
    Remote

    Tesco

    Welwyn Garden City, Hertfordshire
    4 days ago
  • £65k - £86k per annumEstimated
     ...business objectives is understood and adhered to Process Develop end-to-end architecture designs for software systems and...  ...bus workflow engines etc; and development languages such as C/C/C#.Net/Python/PHP. Experience in working in a DevOps environment alongside... 
    .Net
    C#
    Long-term contract
    Full-time

    Vanquish Tech

    Watford, Hertfordshire
    3 days ago
  • £48k - £65k per annumEstimated
     ...youll be doing Technical Leadership: Mentor developers guide best practices and resolve complex...  ...knowledge of modern programming languages (e.g. C# Java JavaScript/TypeScript Python) and frameworks relevant to your stack. Hands-on experience with cloud platforms (e... 
    Javascript
    C#
    Holiday work
    Full-time

    Howdens Joinery Co.

    Watford, Hertfordshire
    a month ago
  • £53k - £71k per annumEstimated
    About the role We have an exciting opportunity for a Full-Stack JavaScript Engineer to join the elementsuite team-someone who's passionate...  ...with back-end capability, and we're especially keen to meet developers who can pair modern JavaScript frameworks with solid SQL experience... 
    Javascript
    Full-time
    Flexible hours

    Zellis

    Watford, Hertfordshire
    5 days ago
  • £15 per hour

     ...Hours Per Week : 36.00 Start Date : immediate Start Start Time : 09:00 End Time : 17:00 Salary: £15.00 Short term c# .NET application developer with SQL Server skills (table creation and Stored procedure creation) We have a need for changes to an existing asp.net... 
    .Net
    C#
    Full-time
    Contract
    Temporary
    Immediate start

    London Borough of Newham

    Newham, Greater London
    more than 2 months ago
  • £30k - £40k per annum

     ...Web Developer Fantastic opportunity for Developers! The Opportunity Hub UK is delighted to announce that we are actively seeking motivated...  ...clean, efficient, and maintainable code using HTML, CSS, and JavaScript. Optimizing web applications for maximum speed and... 
    Javascript
    Permanent

    The Opportunity Hub UK

    Elstree, Hertfordshire
    3 days ago
  • £59k - £78k per annumEstimated
     ...industry leading engineers to define and develop Tesco's xAPI (Experience API) that powers...  ...Some of the tech we are using at scale: Javascript, Typescript, Node.JS, GraphQL, REST, Kafka...  ...business and we can offer a range of diverse full-time & part-time working patterns across... 
    Javascript
    Full-time
    Part-time
    On-site
    Remote

    Tesco

    Welwyn Garden City, Hertfordshire
    3 days ago
  • £80k - £85k per annum

     ...a Degree in Computer Science or Computer Engineering (or a similar, relevant discipline). Extensive experience working as a Full Stack Developer. Excellent working knowledge of the full Software System Lifecycle. Highly proficient in Software System Design, Development... 
    Suggested
    Long-term contract
    Permanent
    Full-time

    Penguin Recruitment

    St Albans, Hertfordshire
    1 day ago
  • £85k - £99k per annum

     ..., or event-driven systems. Responsibilities: You'll work full-stack, using TypeScript, Node, React, and optionally React Native....  ...React React Native TypeScript microservices NodeJS JavaScript Fullstack More: Join our team as we power the next generation... 
    Javascript
    Holiday work
    Full-time
    Hybrid working
    On-site

    Rebel Recruitment Limited

    Finsbury, Greater London
    14 days ago
  • £31k - £41k per annumEstimated
     ...hand. Ours is a globally distributed, full stack java tech team and our building blocks...  ...including: We're looking for a Full Stack Developer (SDE2) with a strong focus on UI...  ...responsive user interfaces using modern JavaScript frameworks (e.g., React). Feature Delivery... 
    Javascript
    Full-time
    Part-time
    On-site
    Remote

    Tesco

    Welwyn Garden City, Hertfordshire
    1 day ago
  • £80k - £85k per annum

     ...qualification) in Software Engineering, Computer Science, or a similar, relevant field. Extensive experience of working in a Full Stack Developer role. Excellent working knowledge of the Full Software System Lifecycle, including front-end and back-end aspects.... 
    Suggested
    Long-term contract
    Permanent
    Full-time

    Penguin Recruitment

    St Albans, Hertfordshire
    3 days ago
  • £100k per annum

     ...Technologies: AWS Backend IoT React NodeJS Cloud JavaScript More: We are a small but ambitious tech-for-good IoT...  ..., working on a genuinely greenfield platform with a modern tech stack and no legacy. The current focus is on maturing our codebase—this... 
    Javascript
    Full-time
    Shift work

    Fyre Global Limited

    Finsbury, Greater London
    4 hours ago
  • £55k per annum

     ..., interfaces, and extensions using Java, JavaScript, and external APIs to extend Maximo's capabilities...  ...and can support colleagues in developing their skills. ~ Experience of implementing...  ..., Fertility Support Leave and up to 5 full or 10 half days of paid Carers Leave. ~... 
    Javascript
    Long-term contract
    Holiday work
    Fixed-term contract

    Affinity Water

    Hatfield, Hertfordshire
    16 days ago
  • £35k - £55k per annum

     ...Salary: £35,000 - 55,000 per year Requirements: ~ We are looking for a Front End JavaScript Developer who is proficient in React.js. You should have strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with TypeScript is... 
    Javascript
    Full-time
    On-site

    Ascend Consulting

    Mill Hill, Greater London
    3 days ago
  •  ...NexCell Solutions is forming a precision team of student developers to build the next generation of intelligent business systems....  .... Comfortable with one or more of the following: Python, JavaScript, TypeScript, React, GitHub, APIs, or UX/UI design . Familiarity... 
    Javascript
    Contract
    Internship
    Remote
    Flexible hours

    NexCell Solutions

    Hemel Hempstead, Hertfordshire
    29 days ago
  • £40k - £70k per annum

     ...and rates Strong quantitative skills; comfortable with math and modeling Programming experience with code in production: Python, C#, or C++ Responsibilities: Fine-tuning LLMs for production use Working with numerical and text inputs in model integration Supporting... 
    C#
    Contract

    Teksystems

    Old Street, Greater London
    4 hours ago
  • £30k - £32k per annum

     ...Job Description Job Title: Junior Product Design Engineer Location: St Albans Salary: 30000 - 32000 per annum We are seeking...  ...in a product design or project coordination role to further develop their skills in a supportive and innovative environment. Responsibilities... 
    Junior
    Full-time

    Premier Group Recruitment

    St Albans, Hertfordshire
    a month ago
  • £44k - £58k per annumEstimated
    Tesco UK •  Welwyn Garden City •  Full-Time •  Permanent •  Apply by 01-Jan-2026
    Javascript
    Permanent
    Full-time
    Welwyn Garden City, Hertfordshire
    3 hours ago
  • £35k - £55k per annum

     ...Junior Estimator/Estimator – Architectural Metalwork & Glazing Hatfield, Hertfordshire | Full-time | 1–5 years’ experience About the Business This is a specialist design-led business delivering  architectural metalwork and glazing solutions across complex, high-performance... 
    Junior
    Permanent
    Full-time
    For subcontractor
    Hatfield, Hertfordshire
    28 days ago
  • £110k - £128k per annum

     ...experience with React Native, energy or IoT applications, and event-driven systems. Responsibilities: ~ In this role, you will work full-stack using TypeScript, Node, and React. You will take ownership of the entire feature development process, from design to deployment and... 
    Javascript
    Holiday work
    Full-time
    Hybrid working
    On-site
    3 days/week

    Rebel Recruitment Limited

    Finsbury, Greater London
    14 days ago
  • £120k per annum

     ...successful candidate will be involved in every layer of the technology stack—from hardware and operating systems to automation and...  ...Troubleshoot hardware and software issues across the stack Develop and maintain automation scripts and tools (Python, Ruby, or Bash)... 
    Contract

    Hunter Bond

    Watford, Hertfordshire
    28 days ago
  • £25k - £32k per annumEstimated
    Location: UK - Hatfield Job-ID: 215440 Contract type: Standard Business Unit: Business Operations & Administration Life on the team An exciting opportunity has arisen to join the Executive Assistant for Group Managed Services supporting the Managing Director...
    Junior
    Full-time
    Contract
    Worldwide

    Computacenter2024

    Hatfield, Hertfordshire
    more than 2 months ago
  •  ...s Stortford, Hertfordshire , starting January 2026 . This is a full-time, permanent role in a school that values digital innovation and...  ...with QTS. Strong programming knowledge (Python, Java, or C# preferred). Ability to make complex concepts accessible and engaging... 
    C#
    Permanent
    Full-time

    Marchant Recruitment

    St Albans, Hertfordshire
    a month ago
  • £100k per annum

     ...bias for shipping. Responsibilities: Contribute to the entire stack, encompassing cloud infrastructure, prompting, and user...  ...searches and data extraction from large volumes of legal documents. Develop intelligent, multi-step agent workflows that can autonomously manage... 
    Javascript
    Full-time
    Immediate start
    Flexible hours
    2 days/week
    3 days/week

    Bloc Recruitment

    Clerkenwell, Greater London
    4 hours ago
  • £25k - £34k per annumEstimated
     ...and excited about technology Are you looking for a career where you can develop your skills and grow professionally About the role Our IT Operations & Security Team are looking for a Junior Infrastructure Support Technician with a passion for technology. As part... 
    Junior
    Full-time
    Hybrid working
    On-site
    Work from home

    Institute of Grocery Distribution

    Watford, Hertfordshire
    a month ago
  • £90k per annum

     ...Salary: £90,000 - 90,000 per year Requirements: Strong development background in JavaScript, PHP, or similar. Proven leadership experience in engineering roles. Comfortable being 30% hands-on while providing architectural and delivery direction. Skilled at bridging... 
    Javascript
    Full-time
    Hybrid working
    On-site

    Method-Resourcing

    St Albans, Hertfordshire
    4 hours ago