At a Glance
- Tasks: Design and develop backend services in Kotlin for a cutting-edge cloud-native platform.
- Company: Join a high-performing team in investment banking technology.
- Benefits: Competitive daily rate, hybrid work model, and a dynamic engineering environment.
- Other info: Collaborative culture focused on Extreme Programming principles and career growth.
- Why this job: Make a real impact on global capital markets with innovative technology.
- Qualifications: Strong Kotlin experience and familiarity with event-driven architectures required.
Rate: £630 p/d (Inside IR35)
Duration: 6-month Contract
Location: London (Hybrid)
Client: Investment Banking Technology
An Interim Senior Software Engineer, to join a high-performing front-office engineering team delivering a next-generation cloud-native issuance platform for global capital markets. This platform is replacing a legacy bookbuilding system used by investment banking teams worldwide and supports high-volume, real-time workflows during critical trading windows. The engineering environment is collaborative, fast-paced, and strongly aligned to Extreme Programming (XP) principles.
Focus Areas
- Mob programming
- Test-driven development (TDD)
- Continuous refactoring
- Collective ownership
- Incremental delivery
- Production excellence
The Role
This is a hands-on senior engineering position focused on designing, building, and evolving backend services in Kotlin within a modern cloud-native architecture. You will work closely with engineers, product specialists, and business stakeholders to deliver resilient, scalable solutions that support real-time issuance and allocation workflows.
Key Responsibilities
- Design, develop, and maintain backend services in Kotlin
- Contribute to event-driven and event-sourced platform architecture
- Collaborate within mob programming sessions as a primary delivery model
- Deliver high-quality, well-tested, maintainable code
- Support and improve production systems with strong reliability requirements
- Participate in CI/CD and SDLC practices within an enterprise environment
- Work closely with stakeholders to deliver incremental business features
- Use incidents and operational feedback to improve system resilience and design
Required Skills & Experience
- Strong commercial experience building backend services using Kotlin
- Deep understanding of event-driven and/or event-sourced architectures
- Extensive experience with XP engineering practices
- Strong cloud engineering experience within GCP environments
- Experience working within regulated or enterprise-scale environments
- Comfortable supporting high-availability production systems
- Strong communication and collaboration skills
Note: Applicants must hold current and valid UK Right to Work
Interim Software Engineer, Kotlin £630 p/d in London employer: 1st Executive
As an Interim Software Engineer at our London-based investment banking technology firm, you will thrive in a dynamic and collaborative environment that champions Extreme Programming principles. We offer competitive rates, a hybrid work model, and the opportunity to work on cutting-edge cloud-native solutions that are pivotal to global capital markets. Our culture prioritises continuous learning and professional growth, ensuring that you are well-equipped to tackle high-impact projects while enjoying a supportive team atmosphere.
StudySmarter Expert Advice🤫
We think this is how you could land Interim Software Engineer, Kotlin £630 p/d in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the investment banking tech space. Attend meetups or webinars, and don’t be shy about asking for introductions. We all know that sometimes it’s not just what you know, but who you know!
✨Tip Number 2
Show off your skills! If you’ve got a GitHub or portfolio showcasing your Kotlin projects, make sure to highlight them. We want to see your coding chops in action, especially with backend services and cloud-native architectures.
✨Tip Number 3
Prepare for those interviews! Brush up on your knowledge of XP principles and event-driven architectures. We recommend doing mock interviews with friends or using online platforms to get comfortable discussing your experience and problem-solving skills.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take the initiative to connect directly with us. Don’t miss out on this opportunity!
We think you need these skills to ace Interim Software Engineer, Kotlin £630 p/d in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience with Kotlin and backend services. We want to see how your skills align with the role, so don’t be shy about showcasing your relevant projects and achievements!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you’re excited about this role and how your experience fits into our fast-paced, collaborative environment. Let us know what makes you a great fit for the team!
Showcase Your XP Knowledge:Since we’re all about Extreme Programming principles, make sure to mention your experience with mob programming, TDD, and continuous refactoring. We love seeing candidates who are passionate about these practices!
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’re considered for the role. Plus, it’s super easy!
How to prepare for a job interview at 1st Executive
✨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 used Kotlin to build backend services. They’ll likely want to hear about your experience with event-driven architectures, so have some examples at the ready.
✨Familiarise Yourself with XP Principles
Since the role is heavily aligned with Extreme Programming (XP) practices, it’s crucial to understand these principles. Be prepared to talk about your experience with mob programming, test-driven development, and continuous refactoring. Show them you can thrive in a collaborative, fast-paced environment.
✨Highlight Your Cloud Experience
This position requires strong cloud engineering experience, particularly within GCP environments. Make sure to highlight any relevant projects where you’ve designed or maintained cloud-native applications. Discuss how you’ve ensured high availability and reliability in production systems.
✨Communicate Effectively
Strong communication and collaboration skills are key for this role. Practice articulating your thoughts clearly and concisely. Think about how you can demonstrate your ability to work closely with engineers, product specialists, and stakeholders during the interview.
