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  • £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. Experience... 
    Suggested
    Long-term contract
    Permanent
    Full-time

    Penguin Recruitment

    St Albans, Hertfordshire
    3 days ago
  • £65k - £86k per annumEstimated
     ...approach to application design, collaborating within an agile team alongside other backend engineers and product designers. Strategize, develop, test, and deploy new features and experiments. Engage in collaborative coding practices such as pair programming and code reviews... 
    Suggested
    40 hours/week
    Full-time
    Contract
    Hybrid working
    1 day/week

    Rullion

    Islington, Greater London
    11 days ago
  • £90k per annum

     ...focused. Your responsibilities as a Machine Learning Engineer will include but not be limited to: Developing and deploying predictive models and algorithms for commercial projects with a particular focus on LLMs and RAGs. Collaborate with cross-functional... 
    Suggested
    Contract

    Xcede

    Hemel Hempstead, Hertfordshire
    16 days 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. ...
    Suggested
    Odd job
    Holiday work
    Hybrid working
    On-site
    Remote

    Spreadex Careers

    St Albans, Hertfordshire
    more than 2 months ago
  • £80k - £85k per annum

     ...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
    22 hours ago
  • £52k - £68k 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... 
    Suggested
    Full-time
    Flexible hours

    Zellis

    Watford, Hertfordshire
    3 days ago
  • £27k - £36k per annumEstimated
    Fantastic opportunity for Developers! The Opportunity Hub UK is delighted to announce that we are actively seeking motivated individuals to join the dynamic team of a growing retail investment tech company as a Web Developer. Web Developer (based in Elstree, Salary... 
    Suggested

    The Opportunity Hub UK

    Elstree, Hertfordshire
    a month 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'... 
    Suggested
    Full-time
    Flexible hours

    Zellis

    Watford, Hertfordshire
    5 days ago
  • £52k - £70k per annumEstimated
    Tesco UK •  Welwyn Garden City •  Hybrid •  Full-Time •  Permanent •  Apply by 12-Dec-2025
    Suggested
    Permanent
    Full-time
    Hybrid working
    Welwyn Garden City, Hertfordshire
    20 hours ago
  • £43k - £45k per annum

    Mechanical Maintenance Engineer - FM Service Provider - Foot Mobile / London Portfolio (Zones 1&2) - Up to £45,000 Exciting opportunity to work for a family run FM service provider situated in London. CBW are currently looking for a Mechanical Maintenance Engineers to cover...
    Suggested
    Holiday work
    For subcontractor
    Monday to Friday

    CBW Staffing Solutions Limited

    Islington, Greater London
    4 days ago
  • £47k - £64k per annumEstimated
    Tesco UK •  Welwyn Garden City •  Full-Time •  Permanent •  Apply by 01-Jan-2026
    Suggested
    Permanent
    Full-time
    Welwyn Garden City, Hertfordshire
    20 hours ago
  • £25k - £35k per annum

     ...Salary: £25,000 - 35,000 per year Requirements: Proven experience developing cross-platform apps for Android, iOS, MacOS, and Windows. Strong proficiency in Xamarin (Native or Forms). Solid understanding of C# and the .NET ecosystem. Responsibilities: Develop... 
    Suggested
    Full-time

    Platform Recruitment

    Potters Bar, Hertfordshire
    more than 2 months ago
  • £41k - £54k per annumEstimated
     ...encrypted communications. This position offers the opportunity to develop your expertise in a fast-growing space technology company -...  ...Experience with control systems, deploying and troubleshooting algorithms on hardware + Previous experience working with small/medium... 
    Suggested
    Permanent
    Full-time
    Flexible hours
    Stratford, Greater London
    4 days ago
  • £250k per annum

    Job Description: Crypto HFT, Core Defi Engineer, Python/Rust, Remote Working Comp up to £250,000 TC I'm working with one of the fastest scaling and highly reputable Crypto HFT's. With a huge amount of funding, and having brought in a number of the most impressive...
    Suggested
    Full-time
    Contract
    Remote

    Stanford Black Limited

    Hemel Hempstead, Hertfordshire
    17 days ago
  • £75k per annum

     ...Hempstead OR Farnborough 1 to 2 days per week. You do need to be DV Cleared OR eligible for DV Clearance. What you'll be doing: Develop, deploy, and uphold security content (including rules, dashboards, and reports) for our SIEM system. Continuously monitor and... 
    Suggested
    Permanent
    Hybrid working
    Flexible hours
    2 days/week
    1 day/week

    Sopra Steria

    Hemel Hempstead, Hertfordshire
    19 hours ago
  • £55k - £58k per annum

     ...schemes. Build Relationships That Matter - work closely with Trustees, actuaries, administrators, and legal advisers; mentor and develop junior team members, sharing your expertise and act as the escalation point for complex queries from across the business.... 
    Long-term contract
    Holiday work
    Full-time
    Hybrid working
    1 day/week

    Veolia

    Islington, Greater London
    6 days ago
  • £68k - £90k per annumEstimated
     ...management for the water sector and contributing to our global community of asset management practitioners. Heres what youll do: Develop and lead Asset Management strategy across key service areas leveraging expertise in condition assessment rehabilitation system... 
    Long-term contract
    Full-time
    Hybrid working
    On-site
    Remote
    Flexible hours

    AECOM

    St Albans, Hertfordshire
    10 days ago
  •  ...Accountabilities Communicate effectively with internal customers and third parties. Collaborate effectively with Product Owners, Developers, Designers, DevOps Engineers, and the wider business. Hands-on development of MI & BI reports for the various business units.... 

    Enra Specialist Finance

    Watford, Hertfordshire
    more than 2 months ago
  • £110k - £128k per annum

    Salary: £110,000 - 128,000 per year Requirements: ~ We are looking for a Senior Software Engineer with strong experience in TypeScript, Node.js, and React. You should have a proven track record of building and maintaining systems at scale and possess the mindset of a product...
    Holiday work
    Full-time
    Hybrid working
    On-site
    3 days/week

    Rebel Recruitment Limited

    Finsbury, Greater London
    13 days ago
  • £55k - £60k per annum

     ...join Sopra Steria, the force behind STORM, the command and control system trusted by UK emergency services. We are hiring Software Developers to support the ongoing development of our STORM application, built using VB.Net with a WPF client. You will work across a range of... 
    Full-time
    Hybrid working
    On-site
    Remote
    Work from home
    Flexible hours

    Sopra Steria

    Hemel Hempstead, Hertfordshire
    19 hours ago
  • £110k per annum

     ...testing and tracking to measure the impact you’re making on the product and how this can shape future product decisions Build and develop code in TypeScript and React and continue to contribute to a high-performing codebase Work closely with Backend Engineers to... 
    Contract
    Remote

    Burns Sheehan

    Watford, Hertfordshire
    16 days ago
  • £42k - £56k per annumEstimated
    Tesco UK •  Welwyn Garden City •  Hybrid •  Full-Time •  Apply by 19-Dec-2025
    Full-time
    Hybrid working
    Welwyn Garden City, Hertfordshire
    20 hours ago
  • £100k per annum

    Salary: £100,000 - 100,000 per year Requirements: ~ We are looking for a Senior Software Engineer with strong hands-on experience in Node.js backend software development. You should be comfortable working with, or willing to learn other technologies such as AWS and React...
    Full-time
    Shift work

    Fyre Global Limited

    Finsbury, Greater London
    22 hours ago
  • £64k - £87k per annumEstimated
     ...required security measures. Development of processing and analysis algorithms fit for the intended data complexity and volumes....  ...E - Energise and inspire, A - Align across the enterprise, D - Develop others.. OR for an individual contributor, they will be a subject... 
    Long-term contract
    Permanent
    Full-time
    Temporary
    Stratford, Greater London
    14 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... 
    Full-time
    On-site

    Ascend Consulting

    Mill Hill, Greater London
    2 days 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
    Full-time
    Monday to Friday
    Rotating shifts

    Path Recruitment Ltd

    Watford, Hertfordshire
    16 days ago
  • £37k - £50k per annumEstimated
     ...To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues., Development and delivery of high-quality software solutions by using industry aligned programming... 
    Permanent
    Full-time
    Stratford, Greater London
    16 days ago
  • £100k per annum

    Job Description: Python Engineer – Join a profitable FinTech Scale-Up ? ?Up to £100,000 ?Remote working – once a month onsite in London ?Python, PostgreSQL FastAPI, Django We’re partnered with a leading FinTech scale-up who are transforming how ...
    Contract
    Remote

    Burns Sheehan

    Hemel Hempstead, Hertfordshire
    18 days ago
  • £55k per annum

     ...working within a small team of likeminded individuals.  ~Experience with various project methodologies and can support colleagues in developing their skills. ~ Experience of implementing or supporting Maximo 7.6 (MAS is desirable but not essential) ~ Experience Scripting... 
    Long-term contract
    Holiday work
    Fixed-term contract

    Affinity Water

    Hatfield, Hertfordshire
    1 day ago
  • £55k - £75k per annum

     ...Self-motivated, growth-oriented, and collaborative mindset. Responsibilities: Build and maintain AI agent services and APIs. Develop internal tools that support AI-native workflows. Establish best practices for prompt engineering, model fine-tuning, and... 
    Full-time
    On-site
    Monday to Friday

    Retelligence

    Finsbury, Greater London
    11 days ago