Lead Software Engineer
Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Oct 12, 2026. Verisk scores A on the Alion truth index.
We have an exciting opportunity for a Full Stack Software Developer to join our growing engineering team, building cloud-native SaaS platforms for the insurance industry.
You will help design and develop scalable distributed systems and shared services that support multiple products used by insurers, suppliers, police forces and supporting organisations across the UK and internationally.
Our platform is evolving towards a modern AWS-native architecture, making extensive use of serverless technologies, microservices and event-driven systems to deliver highly scalable and reliable solutions.
You will work across the full software development lifecycle, from architecture and design through to deployment and operational support, collaborating with engineers, product managers and stakeholders to deliver high-quality solutions.
This role is ideal for developers who enjoy building scalable cloud services, solving complex technical problems, and continuously improving how software is delivered.
You will work with technologies such as:
- AWS Lambda, Step Functions and API Gateway
- .NET-based microservices
- RESTful APIs and shared platform services
- Event-driven integrations
- CI/CD pipelines and automated deployments
- Scalable SaaS systems used across the UK insurance market
The work you contribute to will help insurers process claims faster, improve decision making and deliver better outcomes for customers.
Key Responsibilities
- Design and develop cloud-native SaaS applications and shared platform services
- Build scalable microservices and serverless components using modern development practices
- Develop and maintain RESTful APIs and integrations with internal systems and third-party platforms
- Contribute to the design and evolution of distributed and event-driven architectures
- Work across new product development, enhancements and platform evolution
- Participate in Agile development processes, including sprint planning, stand-ups and retrospectives
- Collaborate with Product Managers to refine requirements, estimate work and deliver features iteratively
- Implement automated testing, CI/CD pipelines and deployment processes
- Investigate and resolve production issues, providing third-level technical support where required
- Produce and maintain technical documentation and architectural artefacts
- Contribute to continuous improvement of engineering practices, tooling and platform reliability
Qualifications
Essential Requirements
- 3+ years professional experience building commercial software systems
- Strong experience developing server-side applications using C# and .NET Core
- Experience designing and building RESTful APIs and JSON-based integrations
- Experience working with SQL databases (Microsoft SQL Server or PostgreSQL preferred)
- Experience building or deploying applications on AWS cloud infrastructure
- Familiarity with microservices or distributed system architecture
- Experience using Git or modern source control systems
- Experience working with CI/CD pipelines and automated deployments, such as ADO
- Experience using Visual Studio or equivalent development environments
- A passion for technology and a desire to continuously learn and improve
Highly Desirable
- Experience working with AWS serverless services (Lambda, Step Functions, API Gateway)
- Front-end development experience with Vue.js, React, Angular or modern JavaScript frameworks
- Experience working within Agile / Scrum development environments
- Knowledge of event-driven architecture or message bus technologies
- Experience implementing Test-Driven Development (TDD)
- Understanding of software design patterns and clean architecture principles
- Experience building microservices-based platforms
- Familiarity with AI development tools or AI-assisted engineering workflows
- Knowledge of Low Code / No Code platforms
- Experience working within the insurance or financial services industry
What We’re Looking For
We’re particularly interested in developers who enjoy building scalable cloud services and shared platform capabilities, and who are comfortable working with modern distributed architectures on AWS.
You should be someone who enjoys solving problems, learning new technologies, and contributing to the evolution of engineering practices within the team.