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8 lead software engineer jobs found

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lead software engineer Greater London
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£500 - £600  (1) £600 - £700  (4) £700 and up  (2)
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London  (8)
Outside Spy
Mar 19, 2026
6 Months or more
Lead Software Engineer- outside IR35 at GCS, London, 6 Months, £Contract Rate
Outside Spy London, UK
Lead Software Engineer (Backend) JavaScript/TypeScript, AWS, Kafka Outside IR35 Contract My London based client is urgently looking for an experienced Lead Software Engineer with a strong Back End focus to lead the build and evolution of scalable, cloud-native services. You'll set technical direction, mentor engineers, and stay hands-on delivering production code. What you'll do: Lead Back End design and development (Node.js, TypeScript/JavaScript) Build and operate event-driven microservices using Kafka Own AWS-based delivery (scalability, performance, reliability, security) Drive engineering standards: code reviews, testing strategy, CI/CD, observability Partner with Product/Architecture to translate requirements into robust solutions Key skills: Strong commercial Back End experience with JavaScript/TypeScript (Node.js) Kafka experience (event-driven systems, distributed messaging) Strong AWS experience across modern cloud services Microservices/distributed...
Outside Spy
Mar 24, 2026
up to 6 Months
Databricks Architect/Engineer (Salesforce) at Careerwise, London, 8 Weeks, £650 per day
£650 per day
Outside Spy London, UK
Databricks Architect/Engineer (Salesforce) Contract Role Up to £650/day (Outside IR35) Initial 8 weeks (likely extensions) We're looking for a Databricks Architect/Engineer to lead the design and delivery of a Single Source of Truth data platform. This role will focus on building a GOLD data product , centred around a sophisticated customer matching engine , enabling high-quality, unified customer insights across systems. Key Responsibilities Architect and build scalable data solutions using Databricks Design and implement star schema data models for analytics and reporting Develop a customer matching engine to unify and deduplicate customer records Integrate and model data from Salesforce as the core data source Deliver a high-quality GOLD layer data product for downstream consumption Ensure data accuracy, consistency, and governance across the platform Collaborate with stakeholders to align data models with business needs...
Outside Spy
Mar 18, 2026
Duration not stated
Azure Engineer / Architect at Now Resourcing, London Area, £Contract Rate
Outside Spy London Area, United Kingdom
Azure Engineer / Architect 6 month contract London - Hybrid £500 - £650 DOE - Outside IR35 We have multiple opportunities available for Azure Engineers / Architects to join a UK based consultancy who are delivering large digital transformation initiatives across multi-cloud environments. This is a 6 month engagement with potential for further extension. Azure API Platform Engineer Senior platform engineer to lead a multi-cloud API ecosystem, designing secure, scalable microservices and modernising legacy integrations. Also responsible for standardising architecture, improving observability, and driving best practices across teams. Must have: Strong experience with API gateway technologies Deep understanding of Kubernetes in Azure environments Integration between cloud native and legacy systems Azure Cloud Platform & SRE Engineer / Architect Senior engineer to evolve Azure cloud foundations, ensuring secure,...
Outside Spy
Mar 18, 2026
up to 6 Months
IT Applications Manager at Context Recruitment, London, 3 Months, £650-£700 per day
£650 - £700 per day
Outside Spy London, UK
IT Applications Manager - Central London £650 - £700 p/d (outside IR35) - 3 month initial term Well-established and highly profitable construction engineering business is seeking an experienced IT Applications Manager to join them on a permanent basis. This is a critical leadership role within an organisation undergoing significant digital transformation, with ambitious growth and acquisition plans driving demand for scalable, standardised and efficient business applications. Reporting into the Head of IT, you will lead the delivery, governance and optimisation of business applications across the enterprise. This role blends strategic oversight, hands-on expertise with modern low-code/no-code platforms and direct leadership of a multidisciplinary applications team. The IT Applications Manager will oversee a suite of core enterprise systems, including but not limited to: Workday, UKG (Kronos), COINS, SharePoint, Snowflake, Autodesk Construction Cloud, Pro-Sapien, Primavera P6...
Outside Spy
Mar 17, 2026
Duration not stated
Senior Software Engineer at Owen Thomas | Pending B Corp™, London Area, £700-£800 per day
£700 - £800 per day
Outside Spy London Area, United Kingdom
Outside IR35 Contract - Senior/Lead Kotlin Engineer – Backend / Distributed Systems - £700-800/day Tier-One Global Investment Bank | London A tier-one global investment bank is expanding a new engineering group responsible for building modern digital financial platforms from the ground up. This team operates with the autonomy and pace of a start-up, backed by the scale and resources of one of the world’s largest financial institutions. Engineers work in small, highly collaborative teams designing and operating systems that power critical financial services used by millions of customers. This is a 6-month rolling contract, on a programme of work estimated to last 2-3 years. We’re looking for experienced Senior and Lead backend engineers who specialise in server-side Kotlin on the JVM , with a strong interest in building reliable distributed systems and scalable cloud platforms. You’ll help design and build high-performance backend services, working closely...
Outside Spy
Mar 17, 2026
up to 6 Months
Lead Java Engineer (Quarkus) at Atrium Workforce Solutions UK Limited, City of London, 3 Months, £Contract Rate
Outside Spy City of London, UK
Lead Java Engineer (Quarkus) Duration: Initial 3 months (with potential extension - project dependent) Location: Remote/London (Hybrid) Onsite requirements: Hybrid - primarily remote with on-site attendance in London for key meetings Engagement Type: Outside IR35 Day Rate: Competitive day rate Right to Work: Candidates must have the legal right to work in the UK. Sponsorship is not available for this position. BPSS screening will be required due to the regulated financial services environment. About Atrium Global Atrium Global is supporting a client of ours within the Banking industry who are delivering a large-scale data platform modernisation programme. Job Overview We are looking for an experienced Lead Java Engineer to join a high-profile engineering programme focused on modernising enterprise data platforms and batch processing capabilities. The role will focus on building and optimising cloud-native Java microservices using Quarkus while integrating with IBM Tivoli...
Outside Spy
Mar 20, 2026
Duration not stated
Engineering Manager at La Fosse, London Area, £600 per day
£600 per day
Outside Spy London Area, United Kingdom
Software Engineering Manager (Hands-on) - 6 month initial - Hybrid/3 days pw - Circa £600pd outside IR35 La Fosse have partnered with a consultancy partner to find a Software Engineering Manager to lead a high-performing team building reliable, scalable systems. You’ll balance technical leadership/hands-on skills with people management, setting clear direction while staying close enough to the code to guide architecture and best practices. Ideally you will have managed teams working with Java and modern backend technologies, a proven track record of leading engineers, and a pragmatic, calm approach to problem-solving. Technical Requirements Strong previous commercial experience with Java /managing JVM engineers Promote DevOps (build/run it) methodology and practices Experience designing and delivering microservices-based architectures Solid understanding of CI/CD pipelines , including build automation, testing, and deployment Familiarity with modern...
Outside Spy
Mar 18, 2026
6 Months or more
Software Engineering Lead- Javascript, AWS- outside IR35 at GCS, London, 6 Months, £Contract Rate
Outside Spy London, UK
Software Engineering Lead - Backend (JavaScript/TypeScript, Node.js, AWS, Kafka) Outside IR35 Remote with 2 days a month in the office in London We're looking for an experienced Software Engineering Lead with a strong Back End development background to lead the delivery of scalable, cloud-native systems. Key skills: Strong commercial experience with JavaScript, TypeScript, and Node.js Proven experience building event-driven systems using Kafka Strong AWS experience across modern cloud services Background designing and operating microservices/distributed systems Hands-on technical leader with experience mentoring engineers and leading delivery Role overview: Lead Back End architecture and development while remaining hands-on Drive best practices through code reviews and technical leadership Work closely with Product, DevOps, and Architecture teams Own system scalability, performance, and reliability This role suits a technically strong leader...
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