Senior Application Developer

Outokumpu; Katowice; On-site; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Partial remote work

Professional development opportunities

Sustainable work

Independence

Job summary

Outokumpu is seeking a skilled Senior Developer to design, develop, maintain, and optimize high-availability MES applications on HP NonStop platforms. You will work with business stakeholders, architects, and support teams to deliver robust transaction processing systems.

The role requires COBOL development on HP NonStop, strong analytical capabilities, and collaboration across teams. Partial remote work and ongoing professional development are available.

Qualifications

• Bachelor's degree in Computer Science, Information Technology or equivalent.
• Several years of COBOL development experience.
• Hands-on experience with HP NonStop is seen as plus.
• Strong analytical, Technical Leadership, Critical Thinking and high troubleshooting skills.
• Proficient knowledge of other programming languages such as Java, JavaScript, C#, Python or .NET is a plus.
• Familiarity with MES and related systems.
• Strong written and verbal communication skills in English

Responsibilities

• Design, develop, test, and maintain COBOL applications on HP NonStop systems.
• Analyze business requirements and translate them into technical specifications and system designs.
• Manage the application lifecycle, including upgrades, testing, deployment, validation, and documentation.
• Troubleshoot production issues, provide end-user support, and participate in OnCall service.
• Optimize application performance and support automation, standardization, and process improvements.
• Collaborate with business, QA, infrastructure, and support teams to ensure stable operations.
• Apply development best practices, IT security policies, compliance requirements, and safety rules.
• Support system modernization initiatives and mentor junior developers when needed.

Skills

COBOL development

HP NonStop

Java

JavaScript

C#

Python

NET

English communication

Technical leadership

Analytical thinking

Education

Bachelor's degree in CS/IT

Tools

HP NonStop

Job description

Outokumpu is seeking a skilled Senior Developer with experience in Cobol to support and enhance mission-critical MES applications. The successful candidate will be responsible for designing, developing, maintaining, and optimizing high-availability transaction processing systems that support core business operations. This role requires expertise in COBOL development on HP NonStop platforms, strong knowledge of transaction processing systems, and the ability to work closely with business stakeholders, architects, infrastructure teams, and support organizations.

Key Responsibilities:

• Design, develop, test, and maintain COBOL applications on HP NonStop systems.
• Analyze business requirements and translate them into technical specifications and system designs.
• Manage the application lifecycle, including upgrades, testing, deployment, validation, and documentation.
• Troubleshoot production issues, provide end-user support, and participate in OnCall service.
• Optimize application performance and support automation, standardization, and process improvements.
• Collaborate with business, QA, infrastructure, and support teams to ensure stable operations.
• Apply development best practices, IT security policies, compliance requirements, and safety rules.
• Support system modernization initiatives and mentor junior developers when needed.

Required Qualifications:

• Bachelor's degree in Computer Science, Information Technology or equivalent experience.
• Several years of COBOL development experience.
• Hands-on experience with HP NonStop is seen as plus
• Strong analytical, Technical Leadership, Critical Thinking and high troubleshooting skills.
• Proficient knowledge of other programming languages such as Java, JavaScript, C#, Python or .NET is a plus.
• Familiarity with MES and related systems.
• Strong written and verbal communication skills in English

What We Offer:

• A company that values responsibility, proactivity, and independence.
• Participation in sustainable work impacting future generations.
• Opportunities for professional development and qualifications.
• Possibility to work partially remotely.

If you believe to be a good fit, submit your application in English before 23.08.2026 via our website. The position may be filled before the final application date, so don't hesitate to apply earlier!

For more information please contact Christoph Scheib, Manager Application Services, by e-mail: Christoph.Scheib(at)outokumpu.com