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senior systems developer £150,000 - £200,000 Greater London
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Information Technology  (2)
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Rullion Managed Services
08 Oct, 2026
Contract
Senior Frontend developer
£650 - £700 daily
Rullion Managed Services London, UK
Senior Frontend Developer (Contract) Overview We are looking for a talented Senior Frontend Developer to join a high-performing engineering team working on business-critical customer and colleague applications. This is an opportunity to contribute to modern web applications, deliver impactful features, and help drive the evolution of frontend platforms in a collaborative and fast-paced environment. You'll work closely with designers, backend engineers, product teams, and platform specialists to build scalable, maintainable, and high-quality solutions using modern frontend technologies. Contract Details Role: Senior Frontend Developer Contract Type: Inside IR35 Start Date: ASAP (flexible for the right candidate) Duration: Until the end of 2026 with potential extension Rate: Up to 650 per day Working Pattern: Hybrid - 1 day per week on-site in London (Thursdays) Hours: 40 hours per week The Role You will primarily work on an established telephony...
Rullion Managed Services
26 Sep, 2026
Contract
Senior Frontend Developer
£650 - £700 daily
Rullion Managed Services London, UK
Senior Frontend Developer (React Native) 6 Month contract 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB About the Role We are looking for a highly experienced Senior Frontend Engineer to join a fast-paced and innovative engineering environment, helping to build and scale next-generation digital products and customer experiences. This is an opportunity to work on complex, high-impact applications used by both customers and internal stakeholders, while influencing technical strategy and engineering best practices. As a senior member of the engineering team, you will take ownership of critical frontend systems, mentor engineers across multiple levels, and drive technical decisions that balance business value with long-term maintainability. Key Responsibilities Lead the planning and delivery of complex frontend projects, translating ambiguous requirements into clear technical...
Aspect Resources
30 Sep, 2026
Contract
Private Secretary - SC
£600 - £650 daily
Aspect Resources London, UK
Job Title : Private Secretary - SC Location: Hybrid / Nationwide (2 days/ week on site at the closest hub) Contract Duration : 6 Months Daily Rate: £650/day (Umbrella) IR35 Status: Inside IR35 Security Clearance: SC This organisation is delivering large-scale digital transformation, strengthening cyber resilience, improving delivery planning and driving greater value from technology-enabled services. Operating in a high-profile environment, its digital services support critical business outcomes and are subject to significant stakeholder scrutiny. As a Private Secretary: Technical Lead, you will support senior leadership and work close to strategic decision-making, coordinating priorities, managing complex stakeholder relationships, producing high-quality briefings, tracking delivery, and applying sound judgement in a fast-paced environment. Success requires initiative, excellent communication, strong organisational skills, and confidence working across technical,...
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