Senior Developer (IBM Power) at Benefact Group

Tewkesbury, England, United Kingdom -

Full Time

Start Date

Immediate

Expiry Date

17 Feb, 26

Salary

0.0

Posted On

19 Nov, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

IBM Power i System Knowledge, Programming Expertise, Server Familiarity, Database Familiarity, Middleware Familiarity, Upgrade Tools Knowledge, Migration Tools Knowledge, Code Remediation, Testing and Validation, Automation and Deployment Scripts, Post-Upgrade Support

Industry

Financial Services

Description

Working hours: 35 hours per week, Monday to Friday Duration: 12 month fixed term contract Location: Gloucester Job Ref: 204355 About the role Benefact Group are looking for a Senior Developer to join our Gloucester office. We’re upgrading our IBM Power hardware and operating system in 2026 and looking for someone who can represent the development teams in the process, ensuring a problem free quality migration for the core company platform. Why join us? Join a collaborative and inclusive culture that’s committed to making a difference and building a more sustainable future. Ranked amongst the UK's top 50 Best Large Companies to Work For in 2024, we offer fantastic career and development opportunities within a rapidly growing, innovative Group — where all profits go to charity and good causes. What you'll be doing Pre-Upgrade Assessment - Review existing applications and dependencies to ensure compatibility with the new IBM Power hardware and OS levels Code Remediation - Update or refactor application code to align with new compiler versions, libraries, and review performance enhancements introduced by the upgrade Testing & Validation – Work with the Test team to cover functional and performance testing in upgraded environments to confirm stability and compliance with business requirements Automation & Deployment Scripts - Develop or update scripts for automated builds, deployments, and configuration management to streamline migration Post-Upgrade Support - Troubleshoot issues, optimize performance, and ensure smooth integration with other systems after the upgrade What you'll need to have IBM Power i System Knowledge - Understanding IBM Power architecture, OS versions and related system utilities. Programming Expertise - Proficiency in languages commonly used on IBM Power systems, such as RPG and CL, and integrations like HATS, Java or Python. Server, Database and Middleware Familiarity - Experience with IWS, Websphere, DB2 for i, SQL tuning, and middleware components that interact with IBM Power environments. Upgrade & Migration Tools Knowledge - Familiarity with tools like IBM Navigator for i, BRMS, and scripting for automation during migration and testing. What we offer A competitive salary - let's discuss it Hybrid working Group Personal Pension - up to 12% employer contribution Generous annual bonus scheme between 6% and 24% 25 days annual leave plus bank holidays, and a holiday buy and sell scheme An array of health and wellbeing benefits, including private healthcare, income protection and life assurance £200 annual personal grant to a charity of your choice Encouraged to take at least one volunteering day per year Employee Assistance Programme Full study support to gain professional qualifications Access to virtual GP Enhanced maternity and paternity pay Hear from the hiring manager "Be part of a high-performing team delivering a seamless IBM Power upgrade—your input and technical insight will make the difference." About us Benefact Group is a unique international financial services Group made up of over 30 businesses. We are owned by a charity and have been the 3rd largest UK corporate donor over a decade*, having given away £250 million since 2014. We have ambitious plans to become the UK’s number one corporate donor, with strategic objectives in place to double the Group’s size. We believe it’s essential to attract, empower, grow and reward talented people, offering fantastic opportunities for career and personal development. Our giving ethos, 135-year history and the diversity of what we do, has enabled us to build a culture of kindness, great ambition, and of passionate people driven to do better and be better. At Benefact Group, we are committed to creating an inclusive culture and building an environment where each and every one of us feels valued and respected. We are a community made up of people with a range of different backgrounds, abilities, perspectives, beliefs and interests and we value the strength this brings to us as a Group. We welcome applications from everyone. If you need any additional support during the recruitment process, then please let us know. *Directory of Social Change’s UK Guides to Company Giving 2017-26

Responsibilities

The Senior Developer will conduct a pre-upgrade assessment of existing applications and dependencies, ensuring compatibility with new IBM Power hardware and OS levels. They will also be responsible for code remediation, testing and validation, and post-upgrade support to ensure a smooth migration process.