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  •  ...Senior Front End Developer Contract type: Fixed Term Contract (7 Month FTC) Location: Hatfield (Hybrid working - 3 days in the office) Working hours per week: 40 hours Level: Senior Application Closing Date: Wednesday 6th May 2026 About us Our mission... 
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    Long-term contract
    Fixed-term contract
    Hybrid working
    On-site
    Flexible hours

    Ocado Retail

    Hatfield, Hertfordshire
    9 days ago
  • £45k - £60k per annumEstimated
     ...play an active role in redefining & innovating print for the digital age.  About the role: We’re looking for a Senior Frontend Developer to lead the development of modern, scalable web applications. You’ll play a key role in shaping frontend architecture, integrating with... 
    Suggested
    Full-time

    Mixam

    Leavesden, Hertfordshire
    2 days ago
  • £53k - £69k per annumEstimated
     ...Promotions, JBP, Ads Manager, and Beet (Ocado’s self-serve data platform). We are looking for a versatile and skilled Senior Full Stack Developer to join this new pod. You will be a crucial member of the engineering team, responsible for designing, developing, and maintaining... 
    Suggested
    Permanent
    Hybrid working
    On-site
    Flexible hours

    Ocado Retail

    Hatfield, Hertfordshire
    24 days ago
  • £52k - £69k per annumEstimated
     ...applications using React, TypeScript, and AWS Own projects end-to-end Work directly with stakeholders to deliver solutions Develop intuitive frontends and scalable backend services What you'll need ~3+ years' experience building web applications ~ Strong React... 
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    Permanent
    Hybrid working
    On-site
    Remote

    Robert Half

    St Albans, Hertfordshire
    a month ago
  • ABOUT US Spreadex has be en operating for 25 years as a sports and financial spread betting provider. The business expanded to offer fixed odds betting in 2010 and CFD trading in 2017. Spreadex is the only global operator to offer all these services under one brand. ...
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    Odd job
    Hybrid working
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    Remote

    Spreadex Careers

    St Albans, Hertfordshire
    more than 2 months ago
  • £45k - £60k per annum

     ...promotions, planning, advertising, and self-serve data analytics. The Role They are looking for a talented and passionate Frontend Developer to join this new pod, in which you will be a key member of the engineering team, responsible for developing and implementing the... 
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    Full-time
    Hybrid working

    Cortex IT Recruitment

    Hertfordshire
    more than 2 months ago
  • £45k - £70k per annum

     ...language model-based systems Nice to have Kubernetes and container orchestration experience Responsibilities: Designing and developing high-quality Java backend services, primarily using Spring Boot Building and operating event-driven, microservices-based... 
    Suggested
    Full-time
    Hybrid working

    Uniting Ambition

    Welwyn Garden City, Hertfordshire
    9 days ago
  • £78k per annum

     ...initial concept to in-service support and training Work collaboratively with Project Leads and Simulation Architects to design and develop simulation components Integrate real products, models, and synthetic environments for visualizations, demonstrations, verification... 
    Suggested
    Hourly pay
    Full-time
    Hybrid working

    Tatton Recruitment

    Stevenage, Hertfordshire
    3 days ago
  • £60k - £77k per annumEstimated
     ...products and tools across the stack. This role blends front-end finesse with back-end capability, and we're especially keen to meet developers who can pair modern JavaScript frameworks with solid SQL experience to help power our next-gen HR platform. You'll work closely... 
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    Full-time
    Flexible hours

    Zellis

    Watford, Hertfordshire
    6 days ago
  • £57k - £75k per annumEstimated
     ...implementation of software solution for next generation customer fulfilment system. As a key member of our engineering team, you will develop robust, scalable and efficient java-based applications to optimise warehouse operations and drive operational success. You will... 
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    Full-time
    Part-time
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    Tesco

    Welwyn Garden City, Hertfordshire
    8 days ago
  • £63k - £81k per annumEstimated
    Tesco UK •  Welwyn Garden City •  Full-Time •  Permanent •  Working hours 36•  Apply by 01-Jun-2026
    Suggested
    Permanent
    Full-time
    Welwyn Garden City, Hertfordshire
    9 days ago
  • £58k - £75k per annumEstimated
     ...elementsuite team, with a passion for clean code, elegant architecture, and efficient delivery. This is a hands-on role where you'll be developing the elementsuite platform and its foundational services - all mission-critical components that underpin our software stack. You'... 
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    Full-time
    Flexible hours

    Zellis

    Watford, Hertfordshire
    13 hours ago
  • £48k - £63k per annumEstimated
     ...technical growth. While specific responsibilities will evolve with Tesco's business needs, the role's key areas of impact include: Developing high-quality software solutions, with proficiency in Java (Spring Boot or other frameworks). Working with Microsoft Azure and... 
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    Tesco

    Welwyn Garden City, Hertfordshire
    a month ago
  • £49k - £63k per annumEstimated
    Tesco UK •  Welwyn Garden City •  Hybrid •  Full-Time •  Permanent •  Working hours 36•  Apply by 01-Jun-2026
    Suggested
    Permanent
    Full-time
    Hybrid working
    Welwyn Garden City, Hertfordshire
    9 days ago
  • £47k - £62k per annumEstimated
    Join the team behind Price Service -a mission-critical API powering pricing and promotions across all of Tesco's channels. From tills to websites and everything in between, our work touches the lives of over 28 million UK shoppers every week , with global reach on the horizon...
    Suggested
    Full-time
    Part-time
    On-site
    Remote

    Tesco

    Welwyn Garden City, Hertfordshire
    7 days ago
  • £45k per annum

    Mobile Engineer Mobile Maintenance Engineer  – FM Service Provider - South East - £45,000  Are you electrically qualified with building maintenance experience? Are you interested in working on some exclusive contracts? If the answer is yes, then read on.... An ...
    Permanent
    Monday to Friday

    CBW Staffing Solutions

    Watford, Hertfordshire
    22 days ago
  • £69k - £93k per annumEstimated
     ...for security, compliance, and cost management. Build & maintain the monitoring and alerting infrastructure and configuration. Develop dashboards to visualise key information to business stakeholders. Configure automation for new system integrations using existing... 
    Flexible hours
    Shift work

    Allwyn UK

    Watford, Hertfordshire
    1 day ago
  • £55k - £74k per annumEstimated
    · High-energy, detail-oriented, proactive and able to function independently under pressure. · WebLogic, Web Sphere/JBoss · Expert in Java, J2EE, Web Services (REST, SOAP), API Gateway, Integration patterns, Security standards, Spring boot, Spring MVC, Spring 4.0,Hibernate...
    Full-time

    SearchBourne Consulting

    Rickmansworth, Hertfordshire
    9 days ago
  • £50k - £70k per annum

     ...engineers, and product managers Deliver robust, user-focused solutions Contribute to architectural decisions Mentor junior developers Technologies: AI C# DevOps Embedded IoT Linux MQTT SQL Windows ASP.NET More: We are a fast-growing... 
    Full-time
    Hybrid working
    On-site

    Platform Recruitment

    Royston, Hertfordshire
    28 days ago
  • £78k per annum

     ...Responsibilities: Support the development of advanced defense systems from initial concept to in-service support and training Design and develop simulation components representing weapon systems in synthetic environments using C# and C++ Collaborate with Project Leads and... 
    Hourly pay
    Full-time
    Remote

    Line Up Aviation

    Stevenage, Hertfordshire
    1 day ago
  • £100k per annum

     ...an opportunity to join a team with a flat structure where your contributions will be heard and can make a real impact. The Role Develop and maintain software using C# and .Net Core Work across the full stack, including JavaScript for front-end development... 
    Remote

    Haystack

    St Albans, Hertfordshire
    4 days ago
  • £42k - £50k per annum

     ...Software Developer Role Borehamwood We are small but growing company based in Borehamwood, seeking an experienced Software Developer to join our small but growing team in progressing the development of our bespoke software, and supporting the migration of legacy systems... 
    Permanent
    Full-time
    On-site
    Monday to Friday

    DCA Recruitment

    Borehamwood, Hertfordshire
    a month ago
  • £40k - £60k per annum

    Salary: £40,000 - 60,000 per year Requirements: ~3+ years of experience in software engineering ~ Strong background with C# and .NET ~ Familiarity with Linux, Python, and Azure DevOps ~ Experience in both start-up/scale-up and larger organizations ~ Excellent communication...
    Long-term contract
    Full-time

    Tec Partners

    Royston, Hertfordshire
    26 days ago
  • £52.5k per annum

     ...development Effective Leadership of a small to medium sized team to undertake design activities in accordance with assigned budgets, lead, develop and motivate staff to ensure they are aware and capable of delivering their accountabilities Knowledge and understanding of... 
    Hybrid working
    Relocation package
    Remote
    Flexible hours

    MBDA

    Stevenage, Hertfordshire
    1 day ago
  • £41k - £43k per annum

    Mobile Electrical Maintenance Engineer Mobile Electrical Maintenance Engineer - FM Service Provider - Commercial Buildings - Somerset & Surrounding Counties - Up to £43,000 Exciting opportunity to work for an established FM service provider situated in Bristol. CBW is...
    40 hours/week
    Permanent
    Monday to Friday

    CBW Staffing Solutions

    Piccotts End, Hertfordshire
    8 days ago
  • £53k - £67k per annumEstimated
     ...that takes collaboration and agility seriously, looking for the right person to help us move into an exciting new chapter. •        Developing high-quality code that can lead to rapid delivery, following standard methodologies for continuous integration and delivery •... 
    Full-time
    Part-time
    Live-in
    On-site
    Remote

    Tesco

    Welwyn Garden City, Hertfordshire
    14 days ago
  • £50k - £65k per annum

    Company: TEC PARTNERS Job Type: Permanent, Full Time Salary: £50000 - £65000/annum
    Permanent
    Full-time

    TEC PARTNERS

    Royston, Hertfordshire
    5 days ago
  • £38k - £49k per annumEstimated
    The Product & Engineering team is responsible for designing, building and scaling Data & AI products that power intelligent experiences, decisions and actions across the Tesco ecosystem. Working in close partnership with business and technology teams across Stores, Finance...
    Full-time
    Part-time
    Hybrid working
    On-site
    Remote
    3 days/week

    Tesco

    Welwyn Garden City, Hertfordshire
    18 hours ago
  • £50k - £60k per annum

    Want to join a growing heavy plant company that allows you to increase your earnings through overtime? On offer is a mobile plant engineer role with long-term job security, and a great benefits package! You will be covering sites in London and surrounding areas. Benefits...
    Long-term contract
    Permanent
    Monday to Friday
    Rotating shifts

    PATH Recruitment Ltd

    Watford, Hertfordshire
    15 days ago
  •  ...stakeholder communications. • Provide day-to-day guidance, support, and mentorship to a team of Technical Support Engineers, helping them develop their skills and confidence. • Monitor and analyse APM logs using Grafana, Zabbix, Kibana, and Elasticsearch to identify trends,... 
    Long-term contract
    Hybrid working
    On-site
    Remote

    InPost UK

    Hemel Hempstead, Hertfordshire
    1 day ago