Principal Software Engineer

Location: United Kingdom (Remote)

Time Type: Full time

Job Description

Its fun to work in a company where people truly BELIEVE in what theyre doing!

Job Description Summary:

Its fun to work in a company where people truly BELIEVE in what theyre doing!

Rocket Software is seeking an accomplished Principal Software Engineer – Change Data Capture & Data Integration to help drive the evolution of our Enterprise Data Integration portfolio.
This is a deeply technical, hands-on role focused on the design, implementation, and optimization of Change Data Capture (CDC) technologies across mainframe and distributed environments. The successful candidate will develop software that captures and processes transactional changes from enterprise databases, requiring expertise in database internals, transaction-log processing, systems programming, and high-volume data processing.
The ideal candidate thrives in complex environments, rapidly understands mature legacy systems, reverse engineers undocumented formats and behaviors, and develops highly reliable software that operates at enterprise scale. This role combines technical leadership with a strong sense of ownership and accountability for customer success.

Essential Duties and Responsibilities:

• Architect, design, and implement Change Data Capture and data integration technologies.
• Develop software that reads, interprets, and processes database transaction logs.
• Analyze database internals, transaction structures, encodings, and storage formats.
• Reverse engineer undocumented or partially documented software, interfaces, and data structures.
• Build, compile, debug, and test software across both mainframe and distributed environments.
• Diagnose complex performance, reliability, compatibility, and data-integrity issues.
• Drive technical direction for CDC-related capabilities and engineering standards.
• Mentor engineers and share expertise in systems programming, database technologies, and software architecture.
• Collaborate with Product Management, Support, and Customer Success teams to solve complex customer challenges.
• Participate in the investigation and resolution of critical customer escalations involving business-critical production environments.
• Demonstrate flexibility to work outside normal business hours when required to support critical customer issues, production incidents, releases, or operational events.
• Champion innovation and adoption of modern engineering and AI-assisted development practices.

Required Qualifications:

• 10+ years of software engineering experience.
• Strong proficiency in C, C++, or comparable systems programming languages.
• Experience developing enterprise-scale software involving database internals, data replication, CDC, transaction processing, or similar technologies.
• Proven ability to understand and work within large, mature legacy codebases.
• Experience reverse engineering software behavior, transaction logs, binary formats, encodings, or proprietary interfaces.
• Hands-on experience building, compiling, debugging, and testing software across mainframe and distributed platforms.
• Strong understanding of performance optimization, concurrency, reliability, and data integrity.
• Excellent analytical, troubleshooting, and problem-solving skills.
• Strong written and verbal communication skills.

Preferred Qualifications:

• Expertise in one or more of the following: Db2 for z/OS, Db2 LUW, Datacom, Adabas, or IDMS.
• Experience with CDC, replication, recovery, log-reading, or database utility technologies.
• Familiarity with z/OS, JCL, EBCDIC, packed decimal, and related mainframe technologies.
• Experience modernizing mature enterprise software systems.
• Experience with cloud-based or distributed architectures.

Education:

Bachelor’s degree in Computer Science, Engineering, IS, or related technical discipline.

Travel Requirements:

<5%minimal travel

 

Information Security:

Information security is everyone’s responsibility. A fundamental principle of information security at Rocket Software is that all individuals in the organization have a responsibility for the security and protection of company information and IT Resources over which they have control, according to their role.

 

Diversity, Inclusion & Equity:

At Rocket we are committed to an inclusive workplace environment, where every Rocketeer can thrive by bringing their full selves to work. Being a Rocketeer means you are part of our movement to continually drive inclusivity, diversity and equity in our workforce.

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Rocket Software Inc. is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Rocket Software Inc. is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

At Rocket Software, we believe AI is a critical enabler of innovation and productivity. All Rocketeers are expected to actively leverage AI-powered tools and technologies, where appropriate, to enhance efficiency, improve decision-making, and deliver greater impact in their roles. Embracing continuous learning and the responsible use of AI is an essential part of how we work.

As part of our commitment to a safe and trustworthy workplace, we include background and reference checks in our hiring process.

Rocket is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you need special assistance or an accommodation while seeking employment, please call: 781-577-4321 or send an email to people@rocketsoftware.com. We will make a determination on your request for reasonable accommodation on a case-by-case basis.

If you like wild growth and working with happy, enthusiastic over-achievers, youll enjoy your career with us!