Full job description Role Overview
Our client is seeking a talented Senior Java Developer to join our engineering team and play a central role in building and evolving our post-trade technology platform. You will work on in-house systems, APIs, client reporting and web portal, as well as customising our third-party trading system. Working closely with Client Services and Product Management, you will translate complex business requirements into scalable, high-quality software solutions.
This is an opportunity to deepen your expertise in a capital markets environment while taking on mentoring responsibilities, with direct exposure to cloud-native infrastructure, advanced Java development, AI and a highly collaborative engineering culture.
Key Responsibilities
Software Development
*Design, develop and maintain in-house systems, APIs, reporting tools and the client web portal
*Use AI in the SDLC process
*Customise and extend third-party trading systems to meet business requirements
*Write clean, well-tested code following SOLID principles, Design Patterns and Clean Code practices
*Apply TDD and BDD methodologies; maintain test coverage using JUnit, Spock and Mockito
*Participate in code reviews and contribute to continual improvement of engineering standards
Collaboration & Communication
*Liaise with Client Services and Product Management to understand requirements and propose solutions
*Communicate clearly with IT professionals and non-technical stakeholders at all seniority levels
*Break down complex problems, identify root causes and prioritise resolution effectively
Mentoring
*Mentor a team of Java (and other) developers, supporting growth and career development
*Drive a culture of quality, ownership and continuous improvement within the team
*Work alongside offshore developers as needed, maintaining clear communication across time zones
Skills & Experience
Essential
*7+ years’ Java development experience at a financial services company
*Java 11+, Spring/Spring Boot, multi-threading, profiling, performance tuning, RMI
*Capital markets knowledge (e.g. post-trade or brokerage services)
*Experience in high-quality software practices: TDD, Agile, automated builds/deployments
*Strong knowledge of CI build and deployment management tools
*Experience with test frameworks (JUnit/Spock) and mocking libraries (e.g. Mockito)
*Proficiency with Git and Maven
*Microservices knowledge
*Understanding and application of SOLID, Design Patterns, Clean Code and TDD
*Able to work and communicate effectively with IT professionals and end users at all levels
*Able to liaise with the business to understand requirements and present solutions clearly
*Able to take complex issues, identify root causes and prioritise resolution
Desirable
*Experience leading a team of developers
*Working knowledge of Groovy, FpML, FIX, FIXML, JSON, REST, Message Queuing
*Experience building client reporting and web portals
*Experience working with global teams
Technical Competencies
The role requires strong hands-on Java expertise complemented by modern cloud and DevOps practices:
Architecture & Infrastructure
*Cloud platforms (AWS, Azure or GCP)
*Microservices and event-driven architectures
*Infrastructure as Code (Terraform)
*API design and integration patterns
Delivery & Quality
*CI/CD toolchains (GitHub, Azure DevOps, Jenkins)
*Automated testing and TDD/BDD
*Observability, monitoring and incident response
Security & Compliance
*Secure SDLC and shift-left security practices
*Data privacy and regulatory compliance
*Identity, access management and zero-trust
Emerging Technology
*AI/ML tooling and LLM integrations
*Developer productivity tooling and automation
*Platform engineering and developer experience
Learning Potential
This role offers significant depth of exposure across both domain knowledge and technology:
Business Domain
*Post-trade services and collateral management
*Derivatives across OTC and exchange-traded markets
*Client presentations and prospect engagement
Technology Platform
*Fully cloud-based infrastructure
*AI services integration
*Modern developer tooling and automation
What We Offer
*Competitive base salary with performance-related bonus
*Remote working
*Private healthcare, pension, life assurance and critical illness insurance
*A leadership team that values engineering as a core business differentiator
eFCSoSe