76 to 86 of 86 Legacy Systems Jobs in London

Software Engineer / Integration Specialist

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£650 - £750 per day
with strong integration and interoperability expertise. This is an opportunity to work across complex Defence environments, helping connect applications, platforms, data services, and enterprise systems within a highly secure ecosystem. This role sits within a fast-moving programme focused on improving interoperability between legacy and modern Defence … someone with broad technical depth and strong Defence domain understanding, rather than somebody tied to a single programming language or technology stack. Experience integrating systems across regulated or mission-critical environments will be key. Key experience required: • Active DV Clearance • Experience designing, developing, and integrating enterprise applications and services ...

Project Manager

Hiring Organisation
JSS
Location
City of London, London, United Kingdom
Manager, Data Management About the Role Looking for a Project Manager to lead a major, multi-year transformation programme focused on replacing a legacy administration platform with a modern, centrally sourced solution. This role will play a critical part in driving the successful delivery of a complex change … equivalent) with relevant degree or experience Proven experience delivering complex, multi-year programmes across full project lifecycles Background in data-led initiatives and legacy system migration; insurance experience desirable Key Skills: Strong stakeholder management and communication skills Excellent planning, governance, and problem-solving abilities Comfortable working in fast ...

Test Manager - SQL & Data Validation

Hiring Organisation
IO Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £460 per day
pubic sector This specific project is supporting a Government agency who are going through a large migration project, moving off a legacy system. You will sit client side and be responsible for the planning, preparation, coordination and execution of UAT and SQL Testing across a complex delivery landscape. … test leadership with hands-on testing to support the team Expertise in test planning, coordination, defect management and reporting Experience working in consulting or systems integration environments. Previous experience supporting or leading UAT Interested in hearing more? Please get in touch with Rebecca Long on 0117 332 8100/ ...

RVP, Partner & Alliances, EMEA

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Platform built for the enterprise. Global organizations trust OutSystems to rapidly build mission-critical apps and agents, modernize legacy processes with agentic systems, and govern their entire AI portfolio across complex regulatory environments, all on one unified platform.As the future becomes agentic, our customers need ...

Principal Platform Engineer

Hiring Organisation
Orbis Group
Location
London Area, United Kingdom
operated production-grade Kubernetes clusters in complex environments. Strong knowledge across major cloud platforms Experienced in both Windows and Linux environments, with strong systems administration and automation capabilities Comprehensive networking knowledge Essential Atrributes: Great communicator – able to articulate complex technical concepts clearly to both technical and business audiences Business … business rather than deep specialiation in one domain Why apply for this position? The Opportunity: You aren't just maintaining a legacy system; you are joining at the beginning of a complete infrastructure modernization. As a founding member of our Platform Engineering team, you will have a direct ...

VP Clinical Business Development

Hiring Organisation
Rapid Health
Location
London Area, United Kingdom
already transforming how millions of patients access the NHS. We're now entering our next phase of growth - bringing Smart Triage to more systems, more partners, and more patients – at speed and with tremendous positive impact. We're looking for a Clinical Business Development VP with a clinical background … growth. You'll have worked inside or alongside NHS organisations, and you'll know what it means to navigate clinical governance, integrated care systems, and procurement processes. You'll use that knowledge to open doors, shape conversations, and position Rapid Health as an essential partner to the health systems ...

Mid-Level Games Developer

Hiring Organisation
Sing King
Location
City of London, London, United Kingdom
Implement new gameplay features in Unity: UI, logic, data flow, and performance optimisations. Help maintain existing features, modernising code, and debugging inherited legacy systems. Build and iterate new gameplay prototypes with Game Design, Art and Product Integrate backend APIs and live ops features to grow our audience Participate … solutions-oriented, and thrive in small, creative teams. You bring ideas to life by collaborating with designers and artists, and enjoy moving between gameplay, systems and live ops - where the impact is needed. BONUS POINTS Passion for karaoke, rhythm games, or community-led mobile games. (You will never ...

Software Engineer (C++) - Hybrid

Hiring Organisation
Ashdown Group
Location
Hampton, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£35,000
ensuring compatibility across multiple protocols and legacy systems. This would be ideal for someone who really enjoys getting to grips with how systems work and wants to contribute to solving complex engineering problems. The following tasks are not exhaustive but will give you a good indication ...

Graduate Software Engineer/ C++

Hiring Organisation
Ashdown Group
Location
London, UK
Employment Type
Full-time
ensuring compatibility across multiple protocols and legacy systems. This would be ideal for someone who really enjoys getting to grips with how systems work and wants to contribute to solving complex engineering problems. The following tasks are not exhaustive but will give you a good indication ...