Systems Programmer jobs in London

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  1. zOS Systems Programmer

    Posted 2 weeks ago by Randstad Technologies Recruitment

    Remote job
    Salary:
    £300 - £400/day
    Location:
    City of London, London
    Job Type:
    Contract

    Job Title: z/OS Systems Programmer. Mode: Hybrid. Location: London. Type: contractor. Role Overview. We are seeking an experienced z/OS Systems Programmer with a strong background in mainframe systems programming. The ideal candidate will have … more

    Apply Now
  2. Senior Architect - Business and Operational Platforms

    Posted a week ago by NatWest

    Featured job
    Location:
    EC2M 4AA
    Job Type:
    Permanent

    Define and optimise operational workflows to improve efficiency, scalability, and integration with existing systems while maintaining compliance.. Facilitate workshops with Operations, Product, Engineering, Risk, and Security to refine business needs into actionable technical requirements … more

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  3. HCM Programme Manager - Outside IR35

    Posted 31/03/2025 by Crimson

    Remote job
    Salary:
    £650 - £800/day
    Location:
    City of London, London
    Job Type:
    Contract

    Our customer is seeking an experienced HCM Program Manager to take charge of their Human Capital Management (HCM) programs. In this role, you will be responsible for coordinating and managing projects across areas such as employee management, benefits, payroll, and compliance, … more

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  4. KBD+ Developer

    Posted a week ago by ECS Resource Group Ltd

    Remote job
    Salary:
    £550 - £600/day
    Location:
    London
    Job Type:
    Contract

    Work closely with cross-functional teams to design and implement high-performance solutions using KDB+ that align with the client's system architecture strategies. Provide expertise in KDB+ Programming to ensure application design aligns with expectations. Develop standards for … more

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  5. Infrastructure Test Manager

    Posted 07/04/2025 by Randstad Technologies Recruitment

    Remote job
    Salary:
    £351 - £471/day
    Location:
    London
    Job Type:
    Contract

    We are seeking an experienced Infrastructure Test Manager/Test Lead to join a major testing and engineering program within a leading telecoms organisation. You will be responsible for planning, managing, and delivering end-to-end system and integration testing across complex … more

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  6. Base 24 Lead Engineer

    Posted 04/04/2025 by StackStudio.digital

    Salary:
    £80,000 - £85,000/annum
    Location:
    Nationwide
    Job Type:
    Permanent

    Design, develop, and maintain Base24 applications (Classic/EPS) for ATM/POS systems. Lead migration from Base24 Classic to EPS, including VISA scheme enhancements and regulatory updates. Collaborate with business/IT teams to translate requirements into technical specifications. Troubleshoot … more

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  7. Audit Manager

    Posted a week ago by First Military Recruitment Ltd

    Salary:
    £50,000 - £70,000/annum 15% BONUS
    Location:
    London
    Job Type:
    Permanent

    The ideal candidate might have pre-existing experience of running ISO audit programs or be at the point in their career where they are ready to take on this responsibility. They will also consider candidates with experience of running compliance systems including risks management … more

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  8. Senior Software Engineer - DV Clearance

    Posted a week ago by Langham Recruitment

    Salary:
    £80,000 - £120,000/annum Bupa Healthcare | Life Assurance |
    Location:
    London
    Job Type:
    Permanent

    Our client provides mission-critical systems engineering, software development, training solutions, and complex program management for global defence & security, government, and commercial organisations. They deliver advanced innovation across Cyber and Electromagnetic Activities, … more

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  9. Global Cyber Security Manager

    Posted 31/03/2025 by Reed Technology

    Remote job
    Salary:
    £70,000 - £80,000/annum
    Location:
    City of London, London
    Job Type:
    Permanent

    Work with key stakeholders across the organisation to align the cybersecurity program with business objectives. Lead a team of cybersecurity professionals to secure company networks, systems, and data. Protection Responsibilities. Design, implement, and maintain cybersecurity … more

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  10. Senior Software Engineer - DV Clearance

    Posted 07/04/2025 by Langham Recruitment

    Salary:
    £60,000 - £90,000/annum Bupa Healthcare | Life Assurance | T
    Location:
    London
    Job Type:
    Permanent

    Our client provides mission-critical systems engineering, software development, training solutions, and complex program management for global defence & security, government, and commercial organisations. They deliver advanced innovation across Cyber and Electromagnetic Activities, … more

    Apply Now
  11. Program Manager

    Posted a week ago by Qualient Technology Solutions UK Limited

    Salary:
    £70,000 - £80,000/annum
    Location:
    London
    Job Type:
    Permanent

    We at Qualient looking for Program manager with Property & Casuality and London Insurance Experience. Job Description:. Key Responsibilities. Lead and manage end-to-end delivery of complex insurance programs across multiple workstreams. Drive digital transformation initiatives, … more

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  12. Cyber Security Project Manager

    Posted 01/04/2025 by Morson Talent

    Remote job
    Salary:
    £575 - £650/day
    Location:
    England
    Job Type:
    Contract

    We are looking for an experienced Cyber Security Project Manager to lead key initiatives such as Data Loss Prevention (DLP) programs and Security Operations Centre (SOC) Maturity programs (amongst others) within a large, complex enterprise environment. This role requires strong … more

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  13. Junior Software Engineer

    Posted 27/03/2025 by Meritus

    Salary:
    £35,000 - £55,000/annum
    Location:
    London
    Job Type:
    Permanent

    They're looking for someone with experience programming in either Python or JavaScript (React a bonus) & active DV clearance is essential. This is a great opportunity for a junior or mid level engineer to progress technically, the hiring organisation are open on experience level & happy to … more

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  14. Senior Python Developer

    Posted 2 weeks ago by Tech4 Ltd

    Quick apply
    Salary:
    £64,000/annum + excellent benefits
    Location:
    E1, Shadwell, Greater London
    Job Type:
    Permanent

    They are looking for a talented individual who will design, implement, and maintain their publishing software, systems, and customer-facing digital products. Requirements. Design and implement systems and software to meet requirements using appropriate tools and methods. Promote … more

  15. Senior Software Developer

    Posted 28/03/2025 by Tech4 Ltd

    Quick apply
    Salary:
    £64,000/annum + excellent benefits
    Location:
    E1 1AB, Whitechapel, Greater London
    Job Type:
    Permanent

    They are looking for a talented individual who will design, implement, and maintain their publishing software, systems, and customer-facing digital products. Requirements. Design and implement systems and software to meet requirements using appropriate tools and methods. Promote … more

  16. Training and Adoption specialist

    Posted 07/04/2025 by Tria

    Remote job
    Salary:
    £400 - £450/day
    Location:
    London
    Job Type:
    Contract

    Building, developing and delivering video content for several platforms, such as a new recruitment system and a global data platform. Support the rollout and adoption of ongoing change programs, including global initiatives. Help deliver video content and training for their … more

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  17. Software Engineer

    Posted 11 hours ago by GCS Ltd

    Salary:
    £60,000 - £90,000/annum
    Location:
    City of London, London
    Job Type:
    Permanent

    In this role, you'll design, develop, and maintain software systems that address real-world problems in AI and drug discovery. You'll have the chance to make a real impact, helping shape the company's technological foundations from the ground up. Working in an interdisciplinary environment- … more

    Apply Now
  18. CPQ Project Lead (Director)

    Posted a week ago by Xpertise Recruitment

    Salary:
    £1,000/day
    Location:
    Central London
    Job Type:
    Contract

    Act as a delegate for senior business leaders embedded in BAU, owning program-level decisions. Own quoting architecture and design, aligned with pricing, partner models, and long-term scale. Drive simplification and eliminate workarounds caused by system duplication and … more

    Apply Now
  19. Outsystems Technical Lead

    Posted a week ago by ARM

    Remote job
    Salary:
    £720/day Inside IR35
    Location:
    City of London, London
    Job Type:
    Contract

    CSS, HTML, JavaScript, jQuery), database modelling and SQL programming, algorithms, data structures, and programming best practices. Proven experience in developing integrations with other systems (e.g. Consume/expose REST and SOAP APIs, create Extensions, etc.. Good … more

    Apply Now
  20. Data Engineer (SC cleared)

    Posted 07/04/2025 by Experis

    Remote job
    Salary:
    £640 - £641/day
    Location:
    City of London, London
    Job Type:
    Contract

    Fundamental linux system administration knowledge - ssh keys and config etc, Bash CLI and scripting, Environment variables. Experience using browser based IDEs (Jupyter Notebooks, RStudio etc. Experience working in a dynamic Agile environment (SAFE, scrum, sprints, JIRA etc. Python (as a < … more

    Apply Now
  21. IBM ENTIREX CONSULTANT - SC CLEARED

    Posted a week ago by La International

    Remote job
    Salary:
    £600 - £700/day
    Location:
    London
    Job Type:
    Contract

    Operating Systems: Knowledge of BS2000 ( Fujitsu Mainframe ) including Startup JCL. Nice to Have Technical Skills. EntireX Listeners. EntireX Reliable RPC Understanding. EntireX Application Monitoring. EntireX RPC-ACI Bridge. Operating Systems: Linux. Programming languages … more

    Apply Now
  22. Platform Engineer - Azure

    Posted a week ago by Adecco

    Remote job
    Salary:
    £70,000 - £80,000/annum
    Location:
    City of London, London
    Job Type:
    Permanent

    In time you will be able to create, maintain and enhance standards for delivery for business functionality, as well as developing, maintaining, and enhancing design standards and patterns for infrastructure and system components. Applying technical innovation with contribution towards … more

    Apply Now
  23. Software Engineer - £70-75k - Remote-first

    Posted 07/04/2025 by Avanti Recruitment

    Salary:
    £70,000 - £75,000/annum
    Location:
    London
    Job Type:
    Permanent

    They are looking for someone who is passionate about the work they produce and takes pride in the systems they work on. One of the main points that stand out is the variety that is offered, you to get involved with some greenfield work coming in, increasing security and trouble-shooting … more

    Apply Now
  24. Information Security Analyst

    Posted 6 days ago by iSupply Recruitment Ltd

    Salary:
    £40,000 - £42,000/annum
    Location:
    London
    Job Type:
    Contract

    Proactively identifying and tackling system vulnerabilities. Leading the charge on third-party risk assessments. Educating teams with security awareness programs (yes, including phishing simulations!. Supporting incident response and continuous security improvements. Helping shape … more

    Apply Now
  25. Software Engineer

    Posted 31/03/2025 by Enterprise Recruitment Ltd

    Salary:
    £50,000 - £70,000/annum
    Location:
    London
    Job Type:
    Permanent

    Ideal Software Engineers should possess robust programming abilities in languages such as C, C++, Objective-C, Java, C#, Python, or Golang, coupled with an outstanding academic history, preferably from top-tier universities globally. Given that this is a hardware-oriented product, expertise … more

    Apply Now

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