Nexus Jobs
Senior Calypso Software Developer
Job Description
Salary: £58,000 - 98,000 per year
Requirements:- We are seeking a Senior Calypso Software Developer with 3 to 5 years experience.
- We require experience of working in a regulated environment, ideally Financial Services.
- We are looking for a senior-level analyst developer or team leader.
- We value experience of, or aspiration to, leading support and development teams.
- We require knowledge and understanding of the trade life cycle, including back-office processes such as settlements, collateral, and securities.
- We require technical skills and expertise in Java, Calypso API, Oracle DBMS, Calypso V14 or later, and CATT automation and testing.
- We require a degree in Information Technology or equivalent.
- We assess business requirements and provide development estimates.
- We translate user requirements into user stories and technical tasks.
- We work closely with BA and QA teams to deliver fit-for-purpose technical solutions.
- We deliver quality code changes according to agreed timescales.
- We manage service integration and transition from CTB.
- We develop and conduct regression and NFR testing.
- We follow the change and incident management process, with ITIL preferred.
- We act as second- and third-line RTB escalation.
- We provide regular updates on development progress.
- We mentor and support junior team members.
- We maintain awareness of and comply with all Anti Money Laundering laws, regulations, policies, and procedures relevant to our company.
- We provide overnight support to ensure system stability and availability.
- API
- Incident Management
- Support
- ITIL
- Java
- Oracle
- Nexus
More:
We are a London-based client in the City of London, offering a permanent full-time role in our I.T. & Communications team with a salary of 60,000 to 80,000, negotiable. We use Calypso V14 as our collateral management system and are investigating additional business lines including cash management, FX, and securities. We are building a team of support analysts and analyst developers to provide first-line support and development capabilities, and this role sits in our Run the Bank (RTB) team.
last updated 39 week of 2026
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About Nexus Jobs
Nexus Jobs
London
IT
Skills & Technologies
Inferred from job description
Salary Insight
£78,000
This role
£75,000
UK median
This salary is 4% above the UK median for Senior roles (£75,000/yr).
Based on 2024–2025 UK technology sector benchmarks