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Java Developer - Calypso Job Opening In Mumbai – Now Hiring Wissen


Job description

Wissen Technology is Hiring forJava Developer - Calypso

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 provideclients 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 Java Developer with strong expertise in the Calypso platform to join our investment banking technology team.

The role involves designing, developing, and enhancing systems related to trade lifecycle, risk management, and settlements.

The ideal candidate will have hands-on experience in Calypso customization and upgrades (preferably version 16), deep Java expertise, and the ability to deliver robust, scalable solutions in a fast-paced financial environment.

Experience:5–10years

Location:Mumbai

Mode of Work:Full time -hybrid

Key Responsibilities:

  • Design, develop, and maintain Calypso-based applications supporting trading, risk, and settlement functions.
  • Work on Calypso platform upgrades, enhancements, and customizations, with specific experience on Calypso v16 preferred.
  • Develop and implement solutions using Java EE and Spring Framework to meet complex business and technical requirements.
  • Collaborate with business analysts, QA teams, and operations to understand requirements and translate them into technical deliverables.
  • Optimize existing Calypso workflows, APIs, and integrations for performance and stability.
  • Work with database technologies — design schemas, write complex SQL queries, and create stored procedures.
  • Support and maintain batch processes and interfaces using Unix shell or scripting languages (Shell, Perl, Python).
  • Troubleshoot production issues and perform root cause analysis to ensure timely resolution.
  • Document technical specifications, design decisions, and deployment processes.

  • Requirements:

  • Bachelor's or master's degree in computer science, Engineering, Information Technology, or a related field.
  • 5–10 years of experience in Java development, including enterprise-grade systems.
  • Hands-on experience with Calypso platform development, customization, and version upgrades (v16 preferred).
  • Strong programming skills in Java EE, Spring Framework, and related technologies.
  • Proficiency in database design, SQL development, and stored procedure creation.
  • Familiarity with Unix/Linux environments and batch scripting (Shell, Perl, or Python).
  • Sound understanding of software development best practices, including version control, code reviews, and SDLC methodologies.
  • Excellent analytical, problem-solving, and communication skills.
  • Knowledge of financial instruments, trade lifecycle, and investment banking systems.
  • Good to have skills:

  • Experience with Calypso APIs, DataMart, or custom adapters.
  • Exposure to CI/CD tools, Maven, Jenkins, or Git.
  • Familiarity with microservices architecture and RESTful web services.
  • Knowledge of DevOps practices and cloud platforms (AWS, Azure, or GCP).
  • Understanding of risk management, settlement workflows, and trade processing in investment banking.
  • Wissen Sites:

    Required Skill Profession

    Computer Occupations


    • Job Details

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