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3 software engineer jobs found in London

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London software engineer £600 - £700
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6 Months or more  (3)
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Contract Spy
Mar 16, 2026
6 Months or more
AI-First Full Stack Developer at ISTARI, London, 6 Months initial, £500–700 per day
£500 - £700 per day
Contract Spy London Area, United Kingdom
About Us: ISTARI is a strategic cybersecurity advisory company with a bold vision; to curate the defining cybersecurity ecosystem of our time, uniting enterprise, academia, government, and innovators to build collective resilience. At the heart of this mission, ISTARI helps clients achieve lasting organisational cyber resilience by convening and applying world-class talent, expertise, and innovation through a uniquely powerful network, with ISTARI as the central orchestrator. ─────────────────────────────────────────────────────── The Opportunity: We are seeking an entrepreneurial, AI-native developer to join ISTARI as a contract developer and help transform how we deliver our consulting work. You will be the founding technical resource responsible for building a suite of AI-powered internal tools that dramatically improve productivity across our Advisory practice.   This is not a traditional development role. You will be expected to leverage AI coding...
Contract Spy
Mar 17, 2026
6 Months or more
Solution Engineer - Fintech at Adaptive Financial Consulting, London, 6 Months initial, to £900 per day (Outside IR35)
£700 - £900 per day
Contract Spy London, UK
WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintech and capital market service providers. With a global reach with offices in London, New York, Barcelona, Manila and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions. We are now looking for Solution Engineer services for an initial 6 month contract. Skills Required: Exceptional technical skills and able to solve complex problems as part of a team Experience building solutions in the capital markets domain Able to build strong relationships easily with Adaptive team and end...
Contract Spy
Feb 26, 2026
6 Months or more
AWS Cloud Engineer (SRE) at Whitebridge Group, United Kingdom, 6 Months, to £650 per day
£550 - £650 per day
Contract Spy 71-75 Shelton St, London WC2H 9JQ, UK
Whitebridge is looking for an AWS Site Reliability Engineer (SRE) to support the application and service migration to a new platform for our utilities client. Experienced required: Understanding of Amazon AWS from an infrastructure/platform perspective and Cloud Native Architectures is essential, knowledge of Microsoft Azure is desirable but not essential. A Cloud Certification in either Amazon AWS or Microsoft Azure is desirable, but not essential. Knowledge of Operating Systems (Windows and/or Linux) and Networking Principles. Strong analytical skills and a solid understanding of operational support best practices and processes. Knowledge of software development lifecycle and the ability to write software scripts in at least one general-purpose programming or Scripting language (for example: Python, PowerShell, Bash). Strong communication skills to be able to collaborate with teams across the organisation to help support cloud adoption. The...
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