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- Tasks: Join a team modernising legacy platforms and building cloud-native services.
- Company: Global speciality insurer with a focus on innovation and collaboration.
- Benefits: Competitive day rate, hybrid working, and potential for contract extension.
- Other info: Work in an agile setting with opportunities for professional growth.
- Why this job: Tackle complex challenges and make a real impact in a dynamic tech environment.
- Qualifications: Strong C#, .NET Core, Python, and SQL skills required.
We are supporting a global speciality insurer on the hire of a Senior Full Stack Developer to join a critical technology programme focused on modernising a legacy platform while delivering new cloud‑native services. This is a hands‑on engineering role, working across both legacy systems and modern cloud architecture in a highly collaborative, agile environment.
Key Responsibilities
- Maintain and enhance existing legacy applications, including refactoring where required
- Design, build and support backend services and API integrations
- Troubleshoot complex, end‑to‑end production issues
- Develop and optimise SQL / T‑SQL queries and database structures
- Build and deploy cloud‑native services across Azure and/or AWS
- Implement secure authentication and integration patterns (REST / SOAP)
- Support CI/CD pipelines and contribute to DevOps best practices
- Collaborate with QA, DevOps, and business stakeholders to deliver incremental improvements
Qualifications
- Strong experience with C#, .NET Core and backend service development
- Strong Python experience
- Solid understanding of Exposure Management principles
- Solid SQL / T‑SQL skills including performance optimisation
- Frontend experience with JavaScript, HTML, CSS (jQuery desirable)
- Hands‑on experience building and deploying applications in Azure or AWS
- Experience with serverless technologies (e.g. Azure Functions, AWS Lambda)
- Strong understanding of API development and integration patterns
- Experience troubleshooting production systems in a live environment
Desirable Experience
- Exposure to event‑driven architecture (queues, messaging systems)
- Familiarity with observability tools (e.g. Application Insights, Datadog)
- Understanding of security concepts such as OAuth2 and JWT
- Experience working in agile delivery environments
Initial 6-month contract with strong likelihood of extension. Hybrid working arrangement. Competitive day rate. This role would suit an experienced engineer who enjoys working across both legacy and modern systems, and is comfortable taking ownership of complex technical challenges in a live environment.
Full Stack Developer - London Market Insurance employer: G MASS
Contact Detail:
G MASS Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Full Stack Developer - London Market Insurance
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with online communities. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving C#, .NET Core, and cloud services. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and system design knowledge. Practice common interview questions related to backend services and API integrations to boost your confidence.
✨Tip Number 4
Apply through our website! We make it easy for you to find roles that match your skills and interests. Plus, it shows you're genuinely interested in joining our team, which always makes a good impression.
We think you need these skills to ace Full Stack Developer - London Market Insurance
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with C#, .NET Core, and cloud services like Azure or AWS. We want to see how your skills match the job description, so don’t be shy about showcasing relevant projects!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re excited about modernising legacy systems and how your background in backend service development makes you a great fit for our team.
Showcase Your Problem-Solving Skills: In your application, mention specific examples of how you've tackled complex production issues or optimised SQL queries. We love seeing how you approach challenges and deliver solutions!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates during the process!
How to prepare for a job interview at G MASS
✨Know Your Tech Stack
Make sure you brush up on your C#, .NET Core, and Python skills before the interview. Be ready to discuss your experience with backend service development and how you've tackled complex production issues in the past.
✨Showcase Your Problem-Solving Skills
Prepare to share specific examples of how you've troubleshot production systems. Think about a time when you faced a challenging issue and how you resolved it, especially in a live environment.
✨Familiarise Yourself with Cloud Technologies
Since this role involves building and deploying cloud-native services, make sure you understand Azure and AWS. Be ready to talk about any serverless technologies you've used, like Azure Functions or AWS Lambda.
✨Understand Agile and Collaboration
This position requires working closely with QA, DevOps, and business stakeholders. Be prepared to discuss your experience in agile environments and how you’ve contributed to team success through collaboration.