Mainframe software engineer (senior) - Post-Trade Program

BEC Financial Technologies; Warszawa; On-site; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Professional development

Healthy lunches

Flexible working hours

Pension scheme

Health and dentist insurance

Referral bonus

Job summary

BEC Poland is recruiting for a Post-Trade Harmonization Initiative role combining COBOL and Java development on IBM z/OS. You will engage with analysts and customers to capture requirements, analyze existing solutions, and propose maintainable approaches while working with cross-functional teams in an Agile environment.

The role emphasizes strong mainframe skills, architectural collaboration, and clear communication.

Qualifications

• Experience with IBM z/OS mainframe stack including COBOL, CICS, MQ, DB2, JCL.
• Strong software engineering fundamentals and code reviews.
• Fluency in English.
• Analytical thinking and problem decomposition.
• Experience documenting functional and non-functional requirements.
• Clear communication across teams and stakeholders.
• Curiosity, proactivity and adaptability in a dynamic environment.

Responsibilities

• Engage with Business Analysts and customers to capture requirements.
• Analyze existing solution, document gaps and develop maintainable solutions.
• Demonstrate collaborative, self-driven mindset across teams and levels.
• Align with Product Owners on priorities across teams.
• Break down features into actionable user stories and participate in Agile events.
• Collaborate with QA to ensure solutions are well tested.
• Coordinate with Team Architect on design and architectural documentation.

Skills

Mainframe

COBOL

CICS

DB2

JCL

MQ

Git/Bitbucket

Jira

IDz

English fluency

Tools

IDz (IBM Developer for z/OS)

MQ

Job description

You will join our Post-Trade Program where you will be working with a newly established Post Trade Harmonization Initiative. The program has been initiated to tackle the Post Trade Harmonization requirements and provide the best future solutions for our member banks, enabling them to make quality decisions and stay compliant.

This role offers the opportunity to build future infrastructure by combining Cobol and Java solutions, helping our customers stay compliant. The team consists of several dedicated members split between Denmark and Poland.

Primary task and responsibilities include:

• Engage with Business Analysts and customers to capture requirements of the business.
• Analyze existing solution, document gaps and develop maintainable solutions for the program.
• Demonstrate a collaborative, self-driven mindset and work effectively across teams and levels.
• Align within team and across other teams on priorities with Product Owners.
• Familiarity with Agile Methods and ability to break down features into actionable user stories and active participation in Agile Events.
• Collaborate with QA to ensure solutions are well tested.
• Coordinate with Team Architect on ensuring proper design for solutions developed and contribute with architectural documentation

To succeed you will have:

• Highly skilled mainframe developer with broad knowledge of IBM z/OS mainframe stack (COBOL, CICS, IDz (IBM Developer for z/OS), MQ – Message Queue, DB2 – database, JCL – Job Control Language, Git/ Bitbucket, Jira – Agile project management, ServiceNow – incident and change) – preferred if you already have experience with BEC MF Tools (eg. PUMA, …)
• Strong foundation in software engineering principles, experience with code reviews, and a commitment to best practices in design and development.
• Fluency in English.
• Analytical Thinking: Ability to break down complex problems and identify actionable solutions.
• Requirements Documentation: Familiarity with both functional and non-functional requirements, and how they translate into system behavior, and ensure proper system documentation.
• Communication Skills: Clear and effective communication within team, across other teams and other stakeholders.
• Personal Attributes: Curiosity & Proactivity, ability to work together with cross functional teams, and adaptability i.e., comfortable navigating change and ambiguity in a dynamic environment

Nice to have:

• Demonstrated leadership and mentoring skills, with proven experience guiding teams or projects to successful outcomes.
• Experience in the financial sector, knowledge of trading solutions, and expertise in the Post Trade & Settlement area are advantages.

Be your best self with BEC’s benefits!

We offer a diverse range of benefits for our employees. Here are just a few of them.

• Professional development
• Healthy, varied lunch and fruit in the canteen
• Active staff associations: yoga, cycling, go-karting, games, bowling etc.
• Flexible working hours
• Pension scheme
• Health and dentist insurance.
• Referral bonus
• Find out more about working life at BEC.

What does the recruitment process look like?

• Send us your CV: We want to get to know you
• Screening call: Let’s chat and see if we’re a match
• Meet our talent partner and technical expert: Learn more about the job, BEC Poland, and tell us more about your skills and experience.
• Meet your future manager and team: See who you’ll be working closely with.
• Time to sign the contract: We’re ready to welcome you to BEC!

If you have any questions about the position, please contact Talent Attraction Partner Robert Piec.

BEC is in the process of being acquired by our largest customer and co-owner, Nykredit, which is Denmark's largest mortgage provider and third-largest bank. We will become part of a new and larger organization called Nykredit Financial Technologies. In the transition phase, we are recruiting for roles that we expect to be highly needed in our future organization.