RPG Developer with iSeries (f/m/x)

We are looking for an RPG Developer passionate about developing and maintaining applications critical to business and production operations. The role focuses on supporting business‑critical systems within a global financial organisation, primarily through production (BAU) support while acting as a subject‑matter expert. It also involves contributing to enhancements in an Agile environment and collaborating with international technology teams to ensure high quality and reliability.

Your tasks

• Providing BAU production support during UK business hours, ensuring SLA compliance

• Diagnosing and resolving incidents, with an understanding of system functionality and integrations

• Engaging with business users to manage end‑to‑end issue resolution and communication

• Managing support tickets, prioritisation, mitigations and long‑term fixes

• Performing key BAU activities such as backups, security reviews, audits and upgrades

• Contributing to Agile delivery, documentation and continuous improvement

Requirements

• At least 4 years of experience as an RPG Developer

• Degree in Computer Science or a related discipline

• Experience in application support and/or software development within an enterprise or global environment

• Strong problem‑solving skills with the ability to work independently and under pressure

• Solid system and business analysis capabilities

• Hands‑on experience with IBM iSeries and ILE RPG

• Knowledge of modernisation approaches (SQLRPG, free‑format RPG, APIs)

• Strong written and spoken English

• Self‑motivated mindset, strong time management skills and willingness to take on additional responsibilities

• Willingness to work from the Cracow or Warsaw office 6 days per month

• Residing in Poland required

Nice-to-have requirements

• Basic understanding of investment banking or wealth management is advantageous

What we offer 

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas 

• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market 

• We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 

• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more 

• Comfortable workplace – class A offices or remote work 

• Dozens of fascinating projects for prestigious brands from all over the world 

• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers 

• Investment in your growth – meetups, webinars, training platform and technology blog – you choose 

• Fantastic atmosphere created by all Sii Power People 

If you want to work on systems with high operational significance — apply now!