At a Glance
- Tasks: Lead the development of innovative risk solutions in a dynamic finance environment.
- Company: Join Citi, a global leader in finance and technology.
- Benefits: Enjoy competitive salary, 27 days leave, private medical care, and hybrid work options.
- Other info: Collaborative culture with opportunities for continuous learning and career growth.
- Why this job: Make a real impact on global finance while growing your career with mentorship.
- Qualifications: Strong Java skills and experience in fast-paced capital markets required.
The predicted salary is between 75600 - 92400 £ per year.
Job ID: 93383048464
Posted: 2026-07-22
Location: London, England, United Kingdom
Category: Technology, Applications Development, Professional
Company: Citi
Discover your future at Citi. Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact.
Job Overview: Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.
The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.
Responsibilities:
- Lead delivery of Real‐Time and On‐Demand Risk enhancements for the Credit Business by partnering directly with London‐based trading, MQA, Market Risk, and technology teams.
- Own the full development lifecycle: architecture, design, implementation, automated testing strategies, release execution, and ongoing production support.
- Drive alignment of RT/OD workflows with EOD Risk strategy, ensuring functional parity, reconciliation, and controlled cutover.
- Lead adoption and build‐out of RT/OD capabilities on strategic risk platform, including integration of new analytics, workflows, and risk datasets.
- Deliver significant performance improvements through optimized risk calculation strategies.
- Guide the migration of compute workloads to AWS, implementing best practices for scalability, throughput, resiliency, and cost efficiency.
- Collaborate actively with NAM and APAC teams in a follow‐the‐sun model to improve delivery velocity, reduce operational risk, and ensure rapid triage of production incidents.
- Provide user-facing updates, demos, documentation, and education to promote adoption and ensure successful rollout of new capabilities.
- Lead root cause analysis on production issues, drive long‐term stability improvements, and strengthen monitoring and observability across the platform.
Recommended Experience:
- Strong experience in Core Java, J2EE, Spring Framework.
- Exposure to Python scripting and data analysis.
- Experience in fast moving Capital Markets Front Office technology environment with experience in Fixed Income products.
- Working knowledge of Front Office Risk calculations, especially for Credit products.
- Experience in building highly scalable and distributed applications using Microservices, APIs, and Container technologies such as Docker, Kubernetes, OpenShift, etc.
- Strong expertise in messaging technologies such as Kafka, JMS, gRPC etc.
- Proficient in latency measurement and performance optimization of Java based platforms with focus on JVM tuning.
- Experience with observability stacks like ELK, Prometheus, Grafana, Kiali, Jaeger etc.
- Sound knowledge for persistence technologies such as relational databases, NoSQL databases, off heap storages and distributed caches.
- Hands-on knowledge of Linux / Unix.
- Experience working with senior Quants and Technology Managers.
- Good verbal and written communication.
Education:
- Bachelor's degree/University degree or equivalent experience.
- Master's degree preferred.
This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.
What we'll provide you:
- By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:
- 27 days annual leave (plus bank holidays).
- A discretional annual performance related bonus.
- Private Medical Care & Life Insurance.
- Employee Assistance Program.
- Pension Plan.
- Paid Parental Leave.
- Special discounts for employees, family, and friends.
- Access to an array of learning and development resources.
Alongside these benefits, Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.
Lead Java Developer in London employer: CitiGroup
Citi is an exceptional employer that offers a dynamic work environment where employees can thrive and make a significant impact in the investment banking sector. With a strong focus on professional development, team collaboration, and community engagement, associates are empowered to grow their careers while contributing to meaningful projects within the Consumer, Luxury & Retail team. Located in a vibrant city, Citi provides unique opportunities for networking and exposure to leading global consumer players, making it an ideal place for ambitious professionals seeking rewarding employment.
StudySmarter Expert Advice🤫
We think this is how you could land Lead 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 CitiGroup 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 CitiGroup.
✨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 CitiGroup.
✨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 CitiGroup 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 Lead 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 CitiGroup.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at CitiGroup 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 CitiGroup
✨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 CitiGroup 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.
