Java full stack developer | microservices. Work, Jobs in London, Eng (with Salaries)

Lead Java Developer
Citi —London
- Full-time
- Hybrid work
- Master's degree
- AWS
- Bachelor's degree
- Annual leave
- Employee assistance programme
Camunda developer - London, UK
Capgemini Sogeti —London
- Computer Science
- Banking
Senior Associate, Full-Stack Engineer Opportunities
The Bank of New York Mellon Corporation —London
- Full-time
- AI
Lead Full Stack Engineer
The Bank of New York Mellon Corporation —London
- Full-time
- Computer Science
- Engineering
- Databases
Senior Backend Engineer
Teya —London
- Full-time
- Computer Science
- Software troubleshooting
- Engineering
- Annual leave
- Flexible schedule
Lead Java Developer (VP)
Citi —London
- Full-time
- Hybrid work
- Java
- Master's degree
- Bachelor's degree
- Annual leave
- Employee assistance programme
Camunda developer - London, UK
Capgemini —London
- Computer Science
- Banking
Staff Software Engineer - Global KYC and Onboarding
Wise Australia Investments —London
- £111,000 - £145,000 a year
- Databases
- Mentoring
Staff Software Engineer (Team Lead) - Engine by Starling
Starling —London
- Full-time
- Hybrid work
- DevOps
- Java
- Annual leave
- Employee discount
Quick apply
Staff Engineer, Credit Technology
Ares Management —London
- Full-time
- Computer Science
- Databases
- Bachelor's degree
6d
Contract - Senior Full Stack Developer
Deloitte —London
- Hybrid work
- Software development
- Financial services
Blockchain Software Developer - Digital Assets Platform
Citi —London
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Master's degree
- Annual leave
- Employee assistance programme
Principal Software Architect
Appvia —London
- £80,000 - £100,000 a year
- Full-time
- Hybrid work
- Java
- AWS
- JavaScript
- Employee assistance programme
- Flexible schedule
Quick apply
Senior Data Engineer (EU, EMEA Remote)
SavvyMoney —London
- Full-time
- Remote
- Java
- Mentoring
SRE,
Apple —London
- Java
- Linux
- Python
Principal Cloud Native Specialist
Dynatrace —London
- Full-time
- Computer Science
- Engineering
- Bachelor's degree
- Annual leave
- Employee assistance programme
Lead Web3 Engineer - Digital Assets Platform
Citi —London
- Full-time
- Hybrid work
- Doctoral degree
- Computer Science
- Software troubleshooting
- Annual leave
- Employee assistance programme
Senior Technical Recruiter
Navan —London
- Recruiting
- AI
- Analytics
Quick apply
Senior Solutions Architect
MongoDB —London
- Hybrid work
- Java
- Bachelor's degree
- No degree

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Lead Java Developer

Citi -
London

Apply Now

Job details

Full-time

Benefits

Annual leave
Company pension
Employee assistance programme
Private medical insurance
Employee discount
Life insurance

Qualifications

Performance tuning
UNIX
NoSQL
J2EE
Master's degree
Application development
Microservices
AWS
Docker
Bachelor's degree
Kafka
Root cause analysis
gRPC
JMS
Communication skills

Full job description

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 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

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

Visit our Global Benefits page to learn more.

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.

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

Apply Now

Refine Your Search

java full stack developer | microservices. jobs in london, eng

Lead Java Developer

Camunda developer - London, UK

Senior Associate, Full-Stack Engineer Opportunities

Lead Full Stack Engineer

Senior Backend Engineer

Lead Java Developer (VP)

Camunda developer - London, UK

Staff Software Engineer - Global KYC and Onboarding

Staff Software Engineer (Team Lead) - Engine by Starling

Staff Engineer, Credit Technology

Contract - Senior Full Stack Developer

Blockchain Software Developer - Digital Assets Platform

Principal Software Architect

Senior Data Engineer (EU, EMEA Remote)

SRE,

Principal Cloud Native Specialist

Lead Web3 Engineer - Digital Assets Platform

Senior Technical Recruiter

Senior Solutions Architect

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