Wissen Technology is hiring for Calypso Java Developer
About Wissen Technology:
At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients with the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.
Job Summary: We are seeking an experienced Calypso Java Developer (6+ years) to work on building and supporting trading and post‑trade systems within capital markets. The ideal candidate will have strong expertise in Core Java and Calypso (v16+), along with a solid understanding of financial instruments such as equities and FX. This role involves customizing Calypso modules, supporting business workflows, and collaborating closely with operations and business users.
Experience: 6- 15 Years
Location: Gurgaon
Mode of Work: Hybrid
- Design, develop, and maintain Java-based applications within the Calypso platform.
- Customize Calypso modules including Workflows, BOMessages, BOTransfers, Scheduled Tasks, Reports, and Engines.
- Work with Calypso APIs to build enhancements and integrations.
- Support trading lifecycle processes including trade capture, settlement, reconciliation, and reporting.
- Collaborate with operations and business teams to understand requirements and resolve issues.
- Troubleshoot production issues and provide application support.
- Write and optimize SQL queries for data analysis and reporting.
- Work with version control tools and follow development best practices.
- Participate in system upgrades, enhancements, and performance tuning activities.
Required Skills and Qualification
- 6+ years of experience in Java development (Core Java JDK 1.8 or above).
- At least 3–4 years of hands-on experience with Calypso (v16 or higher).
- Strong expertise in Calypso customizations (Workflows, BO modules, Reports, Engines).
- Working knowledge of financial instruments such as equities and FX.
- Understanding of trading lifecycle (settlement, reconciliation, reporting).
- Strong SQL skills with experience in Oracle or Sybase databases.
- Basic knowledge of Unix/Linux commands.
- Experience using version control tools such as Git or SVN.
- Strong analytical, problem‑solving, and debugging skills.
- Good communication and stakeholder interaction skills.
Good to have Skills
- Experience working in investment banking or capital markets environments.
- Exposure to risk management, pricing models, or derivatives.
- Knowledge of messaging systems or integration frameworks.
- Familiarity with Agile methodologies.
- Experience working directly with operations/business users in a support role.
Wissen Sites:
Website: www.wissen.com
LinkedIn: https://www.linkedin.com/company/wissen-technology
Wissen Leadership: https://www.wissen.com/company/leadership-team/
Wissen Live: https://www.linkedin.com/company/wissen-technology/posts/feedView=All
Wissen Thought Leadership: https://www.wissen.com/articles/
Skills Required
- 6+ years of Java development experience using Core Java JDK 1.8 or above
- 3-4 years of hands-on Calypso experience, version 16 or higher
- Strong expertise customizing Calypso workflows, BO modules, reports, and engines
- Working knowledge of financial instruments including equities and foreign exchange
- Understanding of trading lifecycle processes including settlement, reconciliation, and reporting
- Strong SQL skills with Oracle or Sybase databases
- Basic knowledge of Unix/Linux commands
- Experience with Git or SVN version control
- Strong analytical, problem-solving, and debugging skills
- Good communication and stakeholder interaction skills
- Experience in investment banking or capital markets environments
- Exposure to risk management, pricing models, or derivatives
- Knowledge of messaging systems or integration frameworks
- Familiarity with Agile methodologies
- Experience working directly with operations or business users in a support role
What We Do
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains. With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services. We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!). Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world. Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients
