At a Glance
- Tasks: Join a dynamic team to build and enhance a cutting-edge cloud platform for investment banking.
- Company: HCLTech, a global leader in technology with a collaborative culture.
- Benefits: Competitive salary, health benefits, and opportunities for professional growth.
- Other info: Work in a fast-paced environment with excellent career advancement opportunities.
- Why this job: Make a real impact on a high-stakes platform used by thousands globally.
- Qualifications: Strong Kotlin experience and familiarity with Extreme Programming practices.
The predicted salary is between 70000 - 90000 £ per year.
HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion.
Role: Senior Vendor Software Engineer (Kotlin) DB require two senior, experienced Kotlin engineers to support and extend a cloud‑hosted platform used for bookbuilding issuances across Investment Banking Capital Markets. These roles will join a high‑caliber London front‑office engineering team building a new issuance platform to replace a legacy bookbuilder. This is a hands‑on engineering role with strong emphasis on Extreme Programming (XP) practices, including mob programming, test‑first development, and continuous refactoring. Engineers are expected to contribute across development, integration, and production support, working closely as a team to maintain a high standard of code quality and system reliability.
Location: London
Required Skills:
- Strong commercial experience building backend services in Kotlin
- Deep experience with XP practices, including:
- Mob programming as a primary way of working
- Test‑driven development (TDD)
- Continuous refactoring and clean code discipline
- Cloud experience in CARE Cloud / GCP, including:
- GKE and / or Cloud Run
- Cloud SQL, Memorystore
- Artifact Registry, Cloud Logging
- Key Management
- CI/CD and SDLC experience in a regulated / enterprise environment
- Comfortable working in production systems with high availability and correctness requirements
Role Context & Responsibilities:
We are building a new issuance platform to replace a legacy bookbuilder. The system is akin to a real‑time trading platform, used by ~1,000 global users who add and remove orders in real time during a tight ~5‑hour execution window. The platform supports issuances totalling over a trillion euros annually. Foundational services are already in place; the focus now is on expanding into core business features such as Sales screens, hedge workflows, and allocation processes. The work is delivered incrementally, with a strong emphasis on small, testable changes, frequent feedback, and sustainable pace.
Engineers in this role:
- Work primarily in mobs, sharing ownership of design and code
- Build, test, and evolve services with a strong focus on clarity, simplicity, and maintainability
- Support the platform in production, using incidents and defects as opportunities to improve system design and resilience
Senior Kotlin Software Engineer in London employer: HCLTech
HCLTech is an exceptional employer, offering a dynamic work culture that fosters collaboration and innovation among its 219,000+ global employees. Located in London, the company provides unique opportunities for professional growth through hands-on engineering roles that emphasise Extreme Programming practices, ensuring that team members can thrive in a supportive environment while contributing to cutting-edge technology solutions in the financial sector.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Kotlin Software Engineer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work at HCLTech or similar companies. A friendly chat can lead to insider info about job openings and even referrals.
✨Tip Number 2
Show off your skills! If you have a GitHub or portfolio showcasing your Kotlin projects, make sure to share it during interviews. It’s a great way to demonstrate your hands-on experience and passion for coding.
✨Tip Number 3
Prepare for technical interviews by brushing up on XP practices and cloud technologies. Practice coding challenges and be ready to discuss your approach to mob programming and TDD. We want to see how you think!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, you’ll find all the latest job openings tailored to your skills.
We think you need these skills to ace Senior Kotlin Software Engineer in London
Some tips for your application 🫡
Show Off Your Kotlin Skills:Make sure to highlight your experience with Kotlin in your application. We want to see how you've built backend services and any cool projects you've worked on that showcase your expertise.
Emphasise Your XP Practices:Since we're big on Extreme Programming, let us know about your experience with mob programming, test-driven development, and continuous refactoring. Share specific examples of how you've applied these practices in your previous roles.
Cloud Experience is Key:If you've got experience with cloud platforms like GCP or CARE Cloud, shout about it! Mention any relevant tools you've used, like GKE or Cloud SQL, as this will definitely catch our eye.
Apply Through Our Website:We encourage you to apply through our website for a smoother process. It helps us keep track of your application and ensures you don’t miss out on any important updates from us!
How to prepare for a job interview at HCLTech
✨Know Your Kotlin Inside Out
Make sure you brush up on your Kotlin skills before the interview. Be ready to discuss your past projects and how you've implemented backend services using Kotlin. They’ll likely ask you about specific challenges you faced and how you overcame them, so have some examples at the ready.
✨Familiarise Yourself with XP Practices
Since this role emphasises Extreme Programming practices, be prepared to talk about your experience with mob programming, test-driven development, and continuous refactoring. Think of scenarios where these practices improved your team's workflow or code quality, and be ready to share those insights.
✨Understand Cloud Technologies
Get a good grasp of cloud technologies, especially if you have experience with CARE Cloud or GCP. Be ready to discuss how you've used services like Cloud SQL or GKE in your previous roles. They might ask you to explain how you would approach building scalable solutions in a cloud environment.
✨Show Your Team Spirit
This role requires a collaborative mindset, so highlight your ability to work well in teams. Share examples of how you've contributed to team success, especially in high-pressure situations. They’ll want to see that you can thrive in a mob programming environment and support your colleagues effectively.
