Senior Calypso Developer

VSS Group LLC; Johnston (RI); Hybrid; USD 110,000 - 165,000; Full time

Job summary

VSS Group LLC in Johnston, RI / Iselin, NJ hybrid is seeking a Senior Calypso Developer for a 6-month contract to support a Calypso platform on AWS. You will design, build, and optimize front-to-back trading workflows with Calypso and Java, and manage CI/CD pipelines in a cloud environment.

The role requires deep Calypso experience, enterprise Java, and hands-on AWS deployment. Immediate start preferred for a high-impact implementation within our Capital Markets Technology group.

Qualifications

• 10+ years of enterprise Java development experience in capital markets or financial systems.
• 8+ years of hands-on Calypso development experience across multiple versions and functional modules.
• Experience with Apache, Lucene, Memcache, RabbitMQ and NoSQL.
• Strong experience developing with Calypso APIs, engine customization, and workflow configurations.

Responsibilities

• Design, build, and enhance Calypso modules (Trade, Collateral, Risk, Back Office) for front-to-back trading workflows.
• Develop custom Calypso engines, workflows, and APIs using Java and Calypso SDK.
• Support integration with internal and external systems using REST, SOAP, MQ, or other messaging protocols.
• Participate in deployment, monitoring, and optimization of Calypso in AWS cloud environments.
• Manage and maintain CI/CD pipelines and version-controlled deployments using modern DevOps tools.
• Collaborate with cross-functional stakeholders across Front Office, Risk, Ops, Tech, and external vendors.
• Support Calypso upgrade efforts, bug fixes, and performance tuning.

Skills

Java

Calypso

AWS

CI/CD

REST

SOAP

MQ

NoSQL

Oracle/PLSQL

Jenkins

Git

Bitbucket

Kafka

JMS

Tools

Calypso

Java

AWS

Jenkins

Git

Bitbucket

Kafka

JMS

Oracle/PLSQL

Job description

• Job Title : Senior Calypso Developer
• Location : Johnston RI/Iselin NJ- Hybrid
• Job Type : Contract
• Experience Level : Senior (7-10 years preferred)
• Industry : Commercial Banking-Capital Market
• Work Authorization : Must be authorized to work in the U.S. without sponsorship
• # of Roles : 1
• Rate : Depending upon Experience
• Time : 9:00 – 6:00 PM

Position Summary

We are seeking senior-level Calypso Developers (contracting role) to support a strategic Calypso platform implementation hosted in AWS within our Capital Markets Technology group. This is a 6-month contract position, with potential extension up to 12 months based on program needs and performance.

The role will focus on building scalable front-to-back solutions across trading, risk, and back-office functions using Calypso and Java, with strong expertise in cloud deployment (AWS) and CI/CD pipeline management.

Key Responsibilities

• Design, build, and enhance Calypso modules (Trade, Collateral, Risk, Back Office) for front-to-back trading workflows
• Develop custom Calypso engines, workflows, and APIs using Java and Calypso SDK
• Support integration with internal and external systems using REST, SOAP, MQ, or other messaging protocols
• Participate in deployment, monitoring, and optimization of Calypso in AWS cloud environments
• Manage and maintain CI/CD pipelines and version-controlled deployments using modern DevOps tools
• Collaborate with cross-functional stakeholders across Front Office, Risk, Ops, Tech, and external vendors
• Support Calypso upgrade efforts, bug fixes, and performance tuning

Required Qualifications

• 10+ years of enterprise Java development experience in capital markets or financial systems
• 8+ years of hands-on Calypso development experience across multiple versions and functional modules
• Experience with Apache, Lucene, Memcache, RAbbitMQ and NoSQL
• Strong experience developing with Calypso APIs, engine customization, and workflow configurations
• Hands-on experience deploying and supporting Calypso in AWS Cloud, including EC2, RDS, IAM, etc.
• Deep experience configuring and extending with Calypso application modules for interest rates, commodities, FX, FX Options and equity derivative asset classes
• Thorough understanding and deep experience with collateral management, General Ledger accounting, ISDA SIMM and Swift processing
• Hand on experience integrating Calypso with financial market utilities such as DTCC SDR, FedWire, Bloomberg, AcadiaSoft, TriResolve and with market data sources, market and credit risk platforms
• Solid knowledge of CI/CD pipelines (Jenkins, Git, Bitbucket, etc.) and cloud-native deployment tools
• Experience with capital markets products: FX, IRD, Credit Derivatives, Fixed Income, Repo
• Experience with Oracle/PLSQL and integration frameworks like JMS, Kafka, etc.

Preferred Qualifications

• Experience with Calypso SaaS or Calypso version 16+
• Familiarity with cloud monitoring/logging tools (e.g., CloudWatch, Splunk)
• Experience supporting regulatory or risk reporting initiatives
• Strong interpersonal skills and ability to work across globally distributed teams
• Duration: 6 Months with potential to extend
• Work Arrangement: Hybrid – Preferred Onsite in Rhode Island or NJ Office
• Start Date: Immediate or within standard onboarding window