At a Glance
- Tasks: Design and implement scalable backend services using Scala in a cloud-native environment.
- Company: Join a leading tech firm focused on innovative market infrastructure solutions.
- Benefits: Competitive salary, flexible working options, and opportunities for professional growth.
- Other info: Engage in a vibrant culture that values ownership, pride, and engineering excellence.
- Why this job: Be part of a dynamic team shaping the future of technology with impactful projects.
- Qualifications: Strong Scala skills, experience in cloud services, and a collaborative mindset.
The predicted salary is between 60000 - 75000 £ per year.
The Senior lead Scala Engineer will play a key role in the engineering and delivery of a critical market‑infrastructure service within the Equities platform, with a strong focus on AWS cloud‑native development. Reporting directly to the Senior Technical Delivery Engineer, Post Trade, the successful candidate will be responsible for designing, implementing, and maintaining performant, resilient, and scalable backend services built predominantly in Scala.
As a senior member of the engineering team, this individual will help shape technical direction, contribute to best-in-class engineering standards, and actively support the continued growth and evolution of the business. This exciting opportunity requires a candidate to take pride in their work and ownership of their work. They should have excellent engineering skills, communication skills, a can-do attitude, and be highly collaborative, always positively encouraging the team.
A strong focus on engineering excellence and coding is essential, adopting an open and hands-on approach to problem-solving and delivery. The candidate will engage deeply in technical design and implementation to ensure solutions are robust, scalable, and aligned with industry best practices. They will actively contribute to all stages of the product engineering life cycle—solutioning, design, coding, and testing—while promoting collaboration and transparency within the team to drive high-quality outcomes.
Demonstrating ownership and pride in their work, the candidate will proactively take on new responsibilities aligned with product engineering needs. They will embrace and apply LSEG engineering principles, diving deep technically to build with purpose and foster excellence within the team through open collaboration. Creating an environment of engagement, challenge, and constructive questioning is crucial, ensuring trust and respect are maintained and a strong one-team mentality is upheld.
- Expertise in building and maintaining DevOps pipelines, ideally with GitLab.
- Strong understanding of microservices design, including pitfalls and best practices.
- Working knowledge of event/message brokers such as Kafka and MQ.
- Knowledge of Domain-Driven Design (DDD) and event-driven architecture principles.
- Skilled in event-driven patterns for efficient and robust communication.
- Proficient in shift-left testing using tools like JUnit, Cucumber, Gherkin, PACT, and Test Containers.
- Experience with containerization and orchestration using Docker and Kubernetes.
- Strong proficiency in both functional and object-oriented programming paradigms, with the ability to apply the right approach to deliver robust, maintainable solutions.
- Experience with Play Framework for developing scalable, high-performance web applications.
- Experience with Akka for building concurrent, distributed, and resilient message-driven systems.
- Deep practical expertise with Scala, including key frameworks and libraries such as Cats / Scalaz for implementing advanced functional programming abstractions and patterns.
- Proven experience delivering enterprise-grade Scala applications in production environments, with a focus on quality, resilience, performance, and observability.
- Strong understanding of data structures, algorithms, concurrency, and multi-threading, with the ability to design efficient and scalable solutions for high-throughput systems.
- Basic understanding of cloud networking concepts.
- Experience working with major public cloud platforms, preferably AWS.
- Hands-on use of cloud-based services such as AWS Aurora, MSK, S3, and IAM.
- Strong SQL knowledge with experience in relational databases such as Postgres.
- Familiarity with database version control tools like Flyway and Liquibase.
- Working knowledge of object storage solutions, e.g., AWS S3.
- Some experience of writing applications using Java.
- Experience working within Scrum and Kanban frameworks.
- Proven collaboration with cross-functional teams in scaled agile environments.
- Active participation in sprint ceremonies, including Product Backlog Refinement.
- Strong understanding and commitment to the ethos of agile working.
- Experience developing web applications using ReactJS.
Senior Java Developer in London employer: London Stock Exchange
The London Stock Exchange is an exceptional employer, offering a dynamic work environment that fosters collaboration and innovation. With a strong focus on employee growth, we provide ample opportunities for professional development and career advancement, all while being part of a prestigious institution located in the heart of London. Our inclusive culture values diverse perspectives, ensuring that every team member can contribute meaningfully to our mission of driving brand impact and achieving outstanding results.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Java Developer in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at London Stock Exchange or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to London Stock Exchange.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like London Stock Exchange.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like London Stock Exchange that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Senior Java Developer in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at London Stock Exchange.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at London Stock Exchange and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at London Stock Exchange
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If London Stock Exchange uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
