Senior Calypso Developer

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 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: C1Nice 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, PolandTraining and career development Benefits and perks such as private medical insurance, lunch pass card, MultiSport Plus cardPossibility to be part of a multicultural team and work on international projects If you are passionate about data, development & tech, we want to meet you! 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).