Principal Software Engineer
- Work arrangement
- Remote
- Occupation
- Software & IT
- Location
- IN
- Compensation
- Not disclosed
- Apply by
- April 14, 2027
About this role
Our client is a UK-based B2B software company specialising in technology for the energy and commodity markets.
They are looking for a hands-onPrincipal Software Engineerto join a small engineering team building complex software for the European energy and trading market.
This is a technical leadership role first, with people management alongside it. You’ll continue writing and reviewing production code every week while also leading and developing a small team of engineers.
Requirements
You’ll take ownership of the technical direction of a core product area, working from well-defined requirements through design, development and delivery.
Key responsibilities include:
- Write, review and ship production code regularly usingC#/.NET and Azure
- Lead technical design and make architecture decisions, balancing delivery speed with long-term maintainability
- Design, develop, refactor, debug, test and support high-quality software
- Line-manage and mentor a small team of engineers
- Lead code and design reviews and constructively challenge technical decisions
- Own automated unit testing and promote strong engineering practices
- Identify root causes of complex technical issues and implement long-term solutions
- Contribute to planning, estimation and requirements refinement
What We’re Looking For
- 10+ years of commercial software engineering experience
- Strong, recent and hands-onC#/.NETexperience, including .NET Core/Web API
- Experience withAzureand cloud-based software development
- Strong system design and software architecture skills
- Experience withSQL and NoSQLdatabases
- Docker, containerisation and orchestration experience
- Strong understanding of SOLID principles, design patterns and integration patterns
- Experience with automated testing and code reviews
- Provenpeople management / line managementexperience while remaining hands-on technically
- Fluent English and strong communication skills
- A stable career history and experience working in complex products
Nice to Have
- Experience infintech, payments, trading, energy or another complex/regulated domain
- Experience in a smaller product-focused company
- Infrastructure as Code, such as Terraform, Bicep or ARM
- GitHub Actions, SonarCloud or CodeQL
- Experience with multi-tenant SaaS products
- TypeScript, Angular, JavaScript or Python