Calypso Developer
Salt Lake City, Utah
Experience: 5
Category: Information Technology
Contractor Work Model: Remote
Brand: System One
Job ID: 381547
Date Posted: 10/06/2026
Shortcut: http://jobs.systemone.com/ssnsQ4
Job Title: Calypso Developer
Location: Salt Lake City, UT, United States
Type: Permanent Full Time
Work Model: Remote – offsite
Responsibilities
- Design, develop, customize, and support Calypso applications, workflows, extensions, and integrations supporting multiple asset classes, including Foreign Exchange (FX), FX Options, Interest Rate Products, Commodities, Credit Derivatives, and Exchange Traded Derivatives.
- Develop enterprise applications using Java, Spring Framework, Spring Boot, REST APIs, microservices, JBoss (or equivalent application servers), and messaging technologies while following secure software engineering best practices.
- Design, build, and maintain integrations between Calypso and enterprise applications, market utilities, and third-party platforms, including DTCC SDR, MarkitWire, Bloomberg TOMS, SEF platforms, AcadiaSoft, TriResolve, WebICE, SWIFT, General Ledger systems, FedWire, and ACH.
- Develop cloud-native solutions utilizing AWS, containerization technologies, Infrastructure as Code (IaC), CI/CD pipelines, and DevSecOps practices.
- Design, optimize, and maintain SQL queries, database structures, ETL processes, and enterprise data integrations supporting trading operations, regulatory reporting, risk management, and analytics.
- Partner with business users, quantitative analysts, risk management teams, operations, solution architects, and development teams to translate business requirements into scalable technical solutions.
- Support production releases, troubleshoot complex application issues, perform root cause analysis, and continuously improve platform performance, stability, and resiliency.
- Optimize Calypso application performance through tuning, monitoring, and continuous improvement initiatives.
- Participate in solution architecture reviews, technical design sessions, code reviews, and modernization initiatives while mentoring junior developers and promoting engineering best practices.
- Contribute to CGI's Capital Markets technology practice by identifying opportunities for automation, innovation, cloud modernization, and continuous improvement.
Requirements
- Bachelor's degree in Computer Science, Information Systems, Engineering, or a related technical discipline.
- 5+ years of enterprise software development experience, including at least 3 years of hands-on Calypso development within Capital Markets environments.
- Strong experience customizing and extending the Calypso platform, including workflows, APIs, trade lifecycle processing, back office operations, and enterprise integrations.
- Advanced proficiency with Java, Spring Framework / Spring Boot, RESTful APIs, microservices architecture, JBoss or comparable application servers, and messaging technologies (JMS, MQ).
- Strong understanding of Capital Markets products and trade processing, including FX, FX Options, Interest Rate Products, Commodities, Credit Derivatives, Exchange Traded Derivatives, Market Risk, and Credit Risk.
- Extensive experience with SQL, relational databases, data modeling, ETL development, and enterprise data integration.
- Experience developing cloud-native applications using AWS (preferred) or Azure, including CI/CD pipelines and DevSecOps tools such as Jenkins, Bitbucket, Nexus, Terraform, or similar technologies.
- Experience designing secure, scalable, and highly available enterprise applications using modern software engineering and cloud architecture best practices.
- Strong analytical, troubleshooting, communication, and stakeholder management skills with experience supporting business-critical production systems.
- Experience working within Agile delivery methodologies such as Scrum, Kanban, or SAFe.
- Experience integrating with financial messaging standards and payment networks including SWIFT, FedWire, and ACH.
- Experience with Wall Street Systems, Nasdaq Spectrum, or other enterprise Capital Markets platforms is considered a strong plus.
Desired Qualifications
- Experience with AWS cloud services and container orchestration technologies such as Docker and Kubernetes.
- Experience implementing event-driven architectures using Kafka or other enterprise messaging platforms.
- Familiarity with Infrastructure as Code using Terraform or CloudFormation.
- Experience with observability and monitoring tools such as Splunk, Dynatrace, Grafana, or Prometheus.
- Financial industry certifications or Calypso platform certifications are a plus.
System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#LI-
Ref: #404-IT Pittsburgh
-
Business Systems Analyst – FX Trading Platform Modernization
Salt Lake City, Utah
Job Title: Business Systems Analyst – FX Trading Platform Modernization Location: Salt Lake City, Utah Work Mode : 5 Days Onsite Duration : Contract to Hire Responsibilities Lead business analysis, strategic planning, and migration initiatives supporti...
Date Posted: 08/06/2026 Recommended
-
Business Systems Analyst – FX Trading Platform Modernization
Salt Lake City, Utah
Job Title: Business Systems Analyst – FX Trading Platform Modernization Location: Salt Lake City, Utah Responsibilities Lead business analysis, strategic planning, and migration initiatives supporting the transition from legacy FX trading platforms, su...
Date Posted: 08/06/2026 Recommended
-
Senior AWS Full Stack Software Engineer
Pittsburgh , Pennsylvania
Job Title: Senior AWS Full Stack Software Engineer Location: Knoxville, TN, Columbia SC or Lafayette, LA or Birmingham, AL Description: Senior AWS Full Stack Software Engineer to develop, modernize, and support enterprise applications within a large sc...
Date Posted: 08/28/2026 Recommended
-
AWS Full Stack Java Developer
Columbia, South Carolina
Job Title: AWS Full Stack Java Developer Location: Columbia, South Carolina, United States Type: Direct Hire Work Model: Hybrid – onsite and remote Overview System One is seeking a AWS Full Stack Java Developer? to support the development, modernizatio...
Date Posted: 09/24/2026 Recommended
-
AWS Full Stack Java Developer
Knoxville, Tennessee
Job Title: AWS Full Stack Java Developer Location: Columbia, South Carolina, United States Type: Direct Hire Work Model: Hybrid – onsite and remote Overview System One is seeking a AWS Full Stack Java Developer? to support the development, modernizatio...
Date Posted: 09/20/2026 Recommended
-
Software Developer
McLean, VA
Software Developer Practice: Software Development & Support / Digital Company: Guidehouse Location: Remote Security and Work Authorization Requirements • Must be able to obtain and maintain a Federal or Department of Defense Public Trust. • Candidates ...
Date Posted: 08/25/2026 Recommended
-
Senior AWS Full Stack Software Engineer
Pittsburgh , Pennsylvania
Senior AWS Full Stack Software Engineer Full-time Hybrid – Knoxville, TN | Columbia, SC | Lafayette, LA | Birmingham, AL Position Overview Seeking a Senior AWS Full Stack Software Engineer to develop scalable cloud-based enterprise applications using J...
Date Posted: 08/28/2026 Recommended
-
Senior AWS Full Stack Software Engineer
Knoxville , Tennessee
Senior AWS Full Stack Engineer Locations: Knoxville, TN | Columbia, SC | Lafayette, LA | Birmingham, AL Work Arrangement: Hybrid — candidates must be able to work from one of the listed locations Industry: Financial Services Experience: 5+ years We are...
Date Posted: 09/04/2026 Recommended
-
Senior AWS Full Stack Software Engineer
Knoxville , Tennessee
Senior AWS Full Stack Engineer Locations: Knoxville, TN | Columbia, SC | Lafayette, LA | Birmingham, AL Work Arrangement: Hybrid — candidates must be able to work from one of the listed locations Industry: Financial Services Experience: 5+ years We are...
Date Posted: 08/31/2026 Recommended
-
Platform Engineer (DevOps)
Salt Lake City, Utah
Job Title: Platform Engineer (DevOps) Location: Salt Lake City, UT Responsibilities • Design, build, and optimize enterprise CI/CD pipelines using GitHub Actions and other modern DevOps platforms • Administer enterprise Source Code Management (SCM) rep...
Date Posted: 08/06/2026 Recommended
-
Senior AWS Full Stack Engineer
Pittsburgh , Pennsylvania
Senior AWS Full Stack Engineer Full-time Hybrid – Knoxville, TN | Columbia, SC | Lafayette, LA | Birmingham, AL Position Overview Seeking a Senior AWS Full Stack Engineer to develop cloud-based enterprise applications across frontend, backend, database...
Date Posted: 08/28/2026 Recommended
-
Senior Atlassian Tools Administrator
Lafayette, Louisiana
Job Title: Senior Atlassian Tools Administrator Location: Lafayette, LA, Birmingham, AL, Columbia, SC or Knoxville, TN Job Type: Permanent Full Time Seeking a Senior Atlassian Tools Administrator to support and enhance a large scale Atlassian Cloud env...
Date Posted: 08/28/2026 Recommended
-
Senior Atlassian Tools Administrator
Knoxville, Tennessee
Job Title: Senior Atlassian Tools Administrator Location: Lafayette, LA, Birmingham, AL, Columbia, SC or Knoxville, TN Job Type: Permanent Full Time Seeking a Senior Atlassian Tools Administrator to support and enhance a large scale Atlassian Cloud env...
Date Posted: 08/28/2026 Recommended
-
Senior Atlassian Tools Administrator
Birmingham, Alabama
Job Title: Senior Atlassian Tools Administrator Location: Lafayette, LA, Birmingham, AL, Columbia, SC or Knoxville, TN Job Type: Permanent Full Time Seeking a Senior Atlassian Tools Administrator to support and enhance a large scale Atlassian Cloud env...
Date Posted: 08/28/2026 Recommended
-
Senior Atlassian Tools Administrator
Columbia, South Carolina
Job Title: Senior Atlassian Tools Administrator Location: Lafayette, LA, Birmingham, AL, Columbia, SC or Knoxville, TN Job Type: Permanent Full Time Seeking a Senior Atlassian Tools Administrator to support and enhance a large scale Atlassian Cloud env...
Date Posted: 08/28/2026 Recommended
-
Platform Engineer (DevOps)
Salt Lake City, Utah
Job Title: Platform Engineer (DevOps) Location: Salt Lake City, UT Work Mode : 5 Days Onsite Duration : Contract to Hire Responsibilities • Design, build, and optimize enterprise CI/CD pipelines using GitHub Actions and other modern DevOps platforms • ...
Date Posted: 08/06/2026 Recommended
-
Software Engineer Sr
Farmers Branch, TX
Title - Software Engineer Sr Location- Pittsburgh, PA/Cleveland, OH/Dallas, TX Must Have Experience with containerization and deployment (Docker, Kubernetes/OpenShift) Experience working with distributed systems, including resiliency, scaling, and faul...
Date Posted: 08/28/2026 Recommended
-
Senior Data Engineer (Databricks & Cloud Analytics)
Salt Lake City, Utah
Job Title: Senior Data Engineer (Databricks & Cloud Analytics) Location: Salt Lake City, Utah Work Model: Hybrid – onsite and remote Responsibilities • Design, develop, and support enterprise data platforms, cloud analytics solutions, or large-scale da...
Date Posted: 09/30/2026 Recommended
-
Senior Data Engineer (Databricks & Cloud Analytics)
Salt Lake City, Utah
Job Title: Senior Data Engineer (Databricks & Cloud Analytics) Location: Salt Lake City, Utah Work Model: Hybrid – onsite and remote Responsibilities • Design, develop, and support enterprise data platforms, cloud analytics solutions, or large-scale da...
Date Posted: 10/05/2026 Recommended
-
AI Engineer
Atlanta, Georgia
Job Title: AI Engineer Location: Atlanta, GA or the Washington, DC / Maryland / Virginia area Type: Direct Hire Compensation: $155,000.00 Work Model: Hybrid – onsite and remote Responsibilities Build and enhance production generative AI applications an...
Date Posted: 09/28/2026 Recommended
-
Senior AWS Full Stack Engineer
Reston, Virginia
Job Title: Senior AWS Full Stack Engineer Location: Knoxville, TN, Columbia SC or Lafayette, LA or Birmingham, AL Description: Senior AWS Full Stack Engineer to join a team supporting enterprise applications within the financial services industry. This...
Date Posted: 08/31/2026 Recommended
-
Senior AWS Full Stack Engineer
Columbia, South Carolina
Job Title: Senior AWS Full Stack Engineer Location: Knoxville, TN, Columbia SC or Lafayette, LA or Birmingham, AL Description: Senior AWS Full Stack Engineer to join a team supporting enterprise applications within the financial services industry. This...
Date Posted: 08/31/2026 Recommended
-
Senior AWS Full Stack Engineer
Plano, Texas
Job Title: Senior AWS Full Stack Engineer Location: Knoxville, TN, Columbia SC or Lafayette, LA or Birmingham, AL Description: Senior AWS Full Stack Engineer to join a team supporting enterprise applications within the financial services industry. This...
Date Posted: 08/28/2026 Recommended
-
(v) Software Engineer – FACETS Extensions / Application Development
Baltimore, Maryland
Software Engineer – FACETS Extensions / Application Development Location: Baltimore, MD (DMV Area – Baltimore, MD or Washington, DC) Type: Contract-to-Hire Work Model: Hybrid (Onsite & Remote) Hours: 40 Hours/Week (EST) Overview Our Client is embarking...
Date Posted: 07/20/2026 Recommended
-
AWS Java Full Stack Developer with Python
Pittsburgh , Pennsylvania
AWS Java Full Stack Developer with Python Full-time Hybrid – Lafayette, LA | Birmingham, AL | Columbia, SC | Knoxville, TN Position Overview Seeking an AWS Java Full Stack Developer with Python to support development, modernization, and enhancement of ...
Date Posted: 08/28/2026 Recommended
-
AWS Java Full Stack Developer with Python
Pittsburgh , Pennsylvania
AWS Java Full Stack Developer with Python Full-time Hybrid – Lafayette, LA | Birmingham, AL | Columbia, SC | Knoxville, TN Position Overview Seeking an AWS Java Full Stack Developer with Python to support development, modernization, and enhancement of ...
Date Posted: 08/28/2026 Recommended
-
Senior Solution Architect
Salt Lake City, Utah
Job Title: Senior Solution Architect Client Location: Salt Lake City, Utah Type: Contract To Hire Work Model: Onsite Experience * 8+ years of progressive experience in software engineering, solution architecture, or enterprise application development *...
Date Posted: 08/06/2026 Recommended
-
Senior Solution Architect
Salt Lake City, Utah
Job Title: Senior Solution Architect Client Location: Salt Lake City, Utah Type: Contract To Hire Work Model: Onsite Experience * 8+ years of progressive experience in software engineering, solution architecture, or enterprise application development *...
Date Posted: 08/06/2026 Recommended
-
Full Stack Developer
Pittsburgh , Pennsylvania
Job Title: Full Stack Developer Location: Dallas or Plano, Texas. No.Openings: 3 Description: Full Stack Developer Position Description We're growing rapidly and are looking for Full Stack Developers to join our Telecommunications Sector. We're a close...
Date Posted: 08/04/2026 Recommended
-
Generative AI Developer
Knoxville, Tennessee
Job Title: Generative AI Developer Location: Lafayette, LA, Knoxville, TN, Columbia, SC or Birmingham, AL Type: Direct Hire Compensation: $108,600.00 Work Model: Onsite – onsite Hours: 40.0 Security Clearance: (not specified) Overview Leave placeholder...
Date Posted: 09/10/2026 Recommended
⚠️ Protecting Job Seekers from Identity Scams
At System One, your privacy and security are important to us. As job-related scams continue to target job seekers, we want to help you recognize and avoid common recruitment fraud. Identity theft scams often involve individuals, also known as "scammers," posing as recruiters or employers to obtain sensitive personal information, such as Social Security numbers, bank account details, or copies of driver’s licenses, with the goal of stealing identities, accessing financial accounts, or creating fraudulent accounts in a victim’s name.