Senior Full-Stack Engineer with .NET and Angular

As part of a strategic partnership with WTW, dedicated software engineering teams support WTW’s Insurance Consulting and Technology Division. WTW’s Insurance Consulting and Technology business provides P&C, Life and Health insurance software and advisory services.

You will work exclusively with WTW to embed AI-enabled engineering practices, modern ways of working and insurance technology expertise. As part of a dedicated team established through a Build-Operate-Transfer model, you will collaborate closely with WTW while supporting the long-term success of the partnership.

About the Role

Work within a cross-functional product team responsible for modernising the user experience, backend services and cloud platform capabilities of a strategic cloud platform.

Contribute to a business-critical distributed compute platform that executes large-scale insurance-modelling workloads. The platform dynamically provisions Azure compute resources, runs computationally intensive jobs submitted by multiple business applications and provides a shared cloud foundation for analytical services.

The role combines frontend and backend development, cloud-native engineering and modern software engineering practices. Help replace legacy technologies, rebuild AngularJS portals, modernise backend services, introduce Infrastructure as Code, migrate workloads to Azure Container Apps and improve deployment automation and operational resilience.

Work alongside platform engineers, architects, product owners, DevOps engineers and QA specialists to transform the current platform into a modern Azure-native platform and build knowledge of cloud platform engineering and distributed systems.

What Success Looks Like

• Contribute to meaningful modernisation outcomes across the platform and related services.
• Deliver high-quality frontend and backend changes that are secure, maintainable and easy to operate.
• Improve platform reliability, scalability and performance through well-tested engineering changes.
• Apply agreed engineering standards, coding practices and review feedback consistently.
• Support faster, more predictable delivery through automation, CI/CD and DevOps improvements.
• Collaborate with architects, product owners, QA, DevOps and other engineers to solve delivery challenges.
• Learn, share knowledge and contribute to a positive engineering culture.

Key Responsibilities

Application Development

• Develop modern Angular applications replacing legacy AngularJS user and administration portals.
• Design, develop and maintain .NET backend services supporting distributed compute workloads.
• Build and enhance REST APIs consumed by multiple business applications.
• Modernise legacy platform functionality while preserving business continuity.
• Implement scalable, maintainable and secure software following modern engineering practices.

Platform Modernization

• Participate in migration toward Azure Container Apps and containerised workloads.
• Support Infrastructure as Code implementation using OpenTofu/Terraform.
• Contribute to cloud-native platform modernisation initiatives.
• Participate in modernisation of deployment pipelines and release automation.
• Improve platform scalability, maintainability and operational resilience.

Engineering Excellence

• Write unit, integration and automated tests to ensure software quality and reliability.
• Participate in code reviews and technical discussions.
• Apply Clean Code principles, modern software design patterns and engineering best practices.
• Support continuous integration and continuous delivery initiatives.
• Contribute to zero-downtime deployment improvements.

Operations & Collaboration

• Collaborate with Product Owners, Architects, QA Engineers, DevOps Engineers and Software Engineers.
• Participate in production support and an on-call rotation.
• Contribute to troubleshooting, root-cause analysis and continuous platform improvements.
• Share knowledge and actively participate in building engineering capability.

Qualifications

Software Engineering

• 6–9 years of commercial software development experience.
• Strong experience with C#, modern .NET and ASP.NET.
• Strong experience with Angular and TypeScript.
• Experience designing and developing RESTful APIs.
• Good understanding of object-oriented programming and modern software engineering principles.

Cloud & Platform Engineering

• Experience developing applications on Microsoft Azure.
• Experience with Azure DevOps, Git and CI/CD pipelines.
• Experience working with Docker and containerised applications.
• Understanding of Infrastructure as Code principles, with the ability and willingness to work with OpenTofu or Terraform.
• Understanding of cloud-native application-development principles.

Engineering Practices

• Experience writing unit and integration tests.
• Understanding of Clean Code principles and software design patterns.
• Experience working in Agile Scrum teams.
• Ability to work within a collaborative, cross-functional engineering team.

Soft Skills

• Strong communication and collaboration skills.
• Proactive approach to problem solving.
• Willingness to learn modern cloud platform technologies.
• Passion for continuous improvement and engineering excellence.

Preferred Skills and Experience

• Azure Container Apps
• Azure Batch
• OpenTofu or Terraform
• Playwright
• SQL Server
• Redis
• SignalR
• Experience working on cloud-native platforms.
• Experience modernising legacy enterprise applications.

Compensation & Benefits

The gross base salary starts from PLN 19,267 gross per month. The offer is determined using objective and gender-neutral criteria, including skillset, experience and role responsibilities.

Benefits typically include private medical insurance, a dental plan and glasses reimbursement. Remuneration and benefits decisions are based on non-discriminatory, gender-neutral criteria; current or past remuneration is not requested or considered during the recruitment process.