Senior Calypso Developer

Talan; Łódź; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Private medical insurance

Lunch pass card

MultiSport Plus card

Job summary

Talan in Poland is seeking a Senior Calypso Developer to join a newly formed technology team supporting Capital Markets operations for a leading European bank.

You will design, develop, and maintain Calypso customizations, Java-based solutions, and integrations, collaborating with stakeholders across Front Office, Middle Office, Risk, and Back Office. This onsite role in Wroclaw offers long-term stability and opportunities to work on complex financial products.

Qualifications

• 6+ years of software development experience.
• Strong hands-on experience with Calypso.
• Solid Java development background.
• Experience with Oracle/SQL databases.
• Understanding of Capital Markets and financial products.
• Experience with integrations, APIs, messaging systems, or event-driven architectures.
• Ability to work directly with business and technical stakeholders.
• Fluent English: C1

Responsibilities

• Design, develop, and maintain Calypso customizations and integrations.
• Support production and business-critical Capital Markets activities.
• Collaborate with business stakeholders, analysts, support teams, and architects.
• Develop Java-based solutions within the Calypso ecosystem.
• Optimize performance, troubleshoot incidents, and implement enhancements.
• Mentor junior team members and contribute to technical best practices.
• Participate in system upgrades and strategic platform initiatives.

Skills

Calypso

Java

Oracle/SQL

Capital Markets

APIs / Messaging

Stakeholder communication

English (C1)

Job description

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850M, we are committed to delivering impactful, future-ready solutions.

Talan at a Glance

Headquartered in Paris and operating globally, Talan combines technology, innovation, and empowerment to deliver measurable results for our clients. Over the past 22 years, we’ve built a strong presence in the IT and consulting landscape, and we’re on track to reach €1 billion in revenue this year.

Our Core Areas of Expertise

• Data & Technologies: We design and implement large-scale, end-to-end architecture and data solutions, including data integration, data science, visualization, Big Data, AI, and Generative AI.
• Cloud & Application Services: We integrate leading platforms such as SAP, Salesforce, Oracle, Microsoft, AWS, and IBM Maximo, helping clients transition to the cloud and improve operational efficiency.
• Management & Innovation Consulting: We lead business and digital transformation initiatives through project and change management best practices (PM, PMO, Agile, Scrum, Product Ownership), and support domains such as Supply Chain, Cybersecurity, and ESG/Low-Carbon strategies.

We work with major global clients across diverse sectors, including Transport & Logistics, Financial Services, Energy & Utilities, Retail, and Media & Telecommunications.

Talan – Positive Innovation

Talan is an international consulting group specializing in innovation and business transformation through technology. With over 7,200 consultants in 21 countries and a turnover of €850M, we are committed to delivering impactful, future-ready solutions.

Talan at a Glance

Headquartered in Paris and operating globally, Talan combines technology, innovation, and empowerment to deliver measurable results for our clients. Over the past 22 years, we’ve built a strong presence in the IT and consulting landscape, and we’re on track to reach €1 billion in revenue this year.

Our Core Areas of Expertise

• Data & Technologies: We design and implement large-scale, end-to-end architecture and data solutions, including data integration, data science, visualization, Big Data, AI, and Generative AI.
• Cloud & Application Services: We integrate leading platforms such as SAP, Salesforce, Oracle, Microsoft, AWS, and IBM Maximo, helping clients transition to the cloud and improve operational efficiency.
• Management & Innovation Consulting: We lead business and digital transformation initiatives through project and change management best practices (PM, PMO, Agile, Scrum, Product Ownership), and support domains such as Supply Chain, Cybersecurity, and ESG/Low-Carbon strategies.

We work with major global clients across diverse sectors, including Transport & Logistics, Financial Services, Energy & Utilities, Retail, and Media & Telecommunications.

Job Description

Location: Wrocław, Poland (On-site)

Relocation: Candidates located elsewhere in Poland are welcome to apply and should be open to relocating to Wrocław.

About the Opportunity

We are looking for a Senior Calypso Developer to join a newly formed technology team supporting the Capital Markets operations of a leading European banking organization.

This is a unique opportunity to help build a team from the ground up and play a key role in the evolution, support, customization, and enhancement of a large-scale Calypso environment used across Front Office, Middle Office, Risk, and Back Office functions.

The role also offers long-term project stability, exposure to complex financial products, and the possibility of future internalization with the client after a certain period of collaboration.

Responsibilities

• Design, develop, and maintain Calypso customizations and integrations.
• Support production and business-critical Capital Markets activities.
• Collaborate with business stakeholders, analysts, support teams, and architects.
• Develop Java-based solutions within the Calypso ecosystem.
• Optimize performance, troubleshoot incidents, and implement enhancements.
• Mentor junior team members and contribute to technical best practices.
• Participate in system upgrades and strategic platform initiatives.

Qualifications

Requirements

• 6+ years of software development experience.
• Strong hand-on experience with Calypso.
• Solid Java development background.
• Experience with Oracle/SQL databases.
• Understanding of Capital Markets and financial products.
• Experience with integrations, APIs, messaging systems, or event-driven architectures.
• Ability to work directly with business and technical stakeholders.
• Fluent English: C1

Nice to Have

• Experience in investment banking environments.
• Calypso upgrade or migration projects.
• Linux/Unix administration knowledge.
• Exposure to DevOps and CI/CD practices.

Additional Information

What do we offer you?

• Onsite set up in Wroclaw, Poland
• Training and career development
• Benefits and perks such as private medical insurance, lunch pass card, MultiSport Plus card
• Possibility to be part of a multicultural team and work on international projects

Talan Spain’s commitment to non-discrimination based on gender, race, ideology, or any other reason, in accordance with the company’s "Equality Plan" and the current regulations on gender equality between women and men (Royal Decree-Law 6/2019).