Software Engineer

We're looking to build our engineering capabilities with Software Engineer opportunities in London. These roles could focus on delivering scalable solutions across modern cloud platforms, microservices architectures and distributed systems-where you could contribute to mission-critical technology that powers business growth.

About The Opportunity

This is an opportunity to register your interest in future Software Engineer positions within our London-based technology practice. Roles of this type may sit within collaborative engineering teams working on cloud-native architectures, API-driven platforms and enterprise integration challenges. The work could involve designing and delivering solutions across Azure, AWS and on-premises infrastructure, with exposure to modern development practices including CI/CD, containerisation and infrastructure-as-code.

Typical Role Overview

• Location: London, Greater London, England
• Type: Contract
• Rate: £500-700 per day
• Specialism: Cloud platforms
• Microservices
• Distributed systems

What You Would Do

Typical responsibilities could include:

• Designing and developing scalable microservices and APIs using .NET, ASP.NET, Spring Boot or Python
• Contributing to end-to-end solution delivery across Azure, AWS or hybrid cloud environments
• Writing clean, maintainable code with attention to testing, performance and distributed system patterns
• Collaborating with architects and peers to implement CI/CD pipelines, containerisation (Docker, Kubernetes) and infrastructure automation (Terraform)
• Working with SQL databases and data pipeline technologies to support application requirements
• Supporting integration with enterprise systems including SAP environments where relevant
• Contributing to code reviews and sharing knowledge across the engineering team

What You Could Bring

Most roles of this type require the following:

Must-have

• Bachelor's degree in Computer Science or equivalent professional experience
• Solid experience with at least one modern programming language (Java, C#, Python or similar)
• Working knowledge of cloud platforms (Azure, AWS or GCP) and containerisation (Docker, Kubernetes)
• Understanding of microservices architecture, APIs and distributed systems
• Experience with relational databases (SQL) and version control
• Strong problem-solving and communication skills

Nice-to-have

• AWS Certified Developer - Associate, Microsoft Certified: Azure Developer Associate or Professional Scrum Developer (PSD I) certification
• Experience with CI/CD tools, infrastructure-as-code (Terraform) and monitoring platforms
• Familiarity with data quality, ETL pipelines or event-driven architectures
• Knowledge of security practices, Linux and command-line tools (Bash)
• Experience in financial services, life sciences or technology sectors

What Roles Of This Type Could Offer

Most roles of this type offer the following, dependent on the industry and seniority of the role:

• Opportunity to work on cloud-native and distributed systems solving real business challenges
• Exposure to modern software engineering practices and emerging technologies
• Collaboration with skilled engineering teams and access to mentorship and code review
• Clear scope to develop technical depth and take on increasing responsibility
• Flexible working practices where supported by the role and client requirements
• Contract-based engagement offering flexibility and market-competitive rates (£500-700 per day)
• Potential for extended engagement and progression into permanent opportunities

About SThree

SThree is the global STEM workforce consultancy.

We advise businesses, build expert teams and deliver project solutions to outpace tomorrow, together.

Across the UK, we connect talented specialists with cutting-edge opportunities across technology, engineering, life sciences and financial services supported by our offices in London, Birmingham, Manchester, Glasgow and Leeds

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