Nexus Jobs

Nexus Jobs

London

Senior Calypso Software Developer

Full-Time£58,000 - 98,000 per year2 days agoUnited Kingdom
IT

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.
Responsibilities:
  • 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.
Technologies:
  • 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

Nexus Jobs

London

IT

Skills & Technologies

JavaGoScalaAWSAIUI

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

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