Mainframe Software Engineer - Everyday Banking Platform

Lloyds Banking Group; City of Edinburgh; Hybrid; GBP 70,000 - 79,000; Full time

Job summary

A leading banking institution in the United Kingdom is seeking a Mainframe Software Engineer for its Everyday Banking Platform. In this hybrid role, you'll work to modernise current systems while improving customer experiences through innovative technology. Candidates should have strong experience in mainframe technologies and a passion for solving real-world problems through engineering practices. A competitive salary and comprehensive benefits package are included.

Benefits

Generous pension contribution up to 15%

Annual performance-related bonus

Share schemes including free shares

Discounted shopping benefits

30 days’ holiday plus bank holidays

Wellbeing initiatives and generous parental leave policies

Qualifications

• Strong experience with mainframe technologies and modern platforms.
• Ability to troubleshoot and optimize applications for performance.
• Familiarity with modernisation strategies and tools.

Responsibilities

• Design and develop software features or services.
• Collaborate to modernise and integrate systems.
• Build features with passion for best practices.

Skills

Mainframe technologies (e.g., COBOL, PL/I, CDC JCL, CICS, DB2)

Troubleshooting mainframe applications

Software delivery in a highly regulated environment

Agile methodologies

Tools

SQL Databases

Kafka

Public cloud platforms

Job description

JOB TITLE: Mainframe Software Engineer (Everyday Banking Platform)

SALARY: £70,929 - £78,810

LOCATION(S):

HOURS: Full-time - 35 hours per week

WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at our Bristol office.

About this opportunity

If you think all banks are the same, you'd be wrong. We're an innovative, fast‑changing business that is shaping finance as a force for good. A bank that empowers its people to innovate, explore possibilities and grow with purpose. Together, we're here to help Britain prosper – putting the ever‑evolving needs of our customers at the heart of everything we do, as they move through their financial life with us.

Across Consumer Relationship Platforms we’ve achieved so much in recent years, building our strong brands into thriving ones, the UK’s biggest digital bank and the widest branch network. Our multi‑service, multi‑brand offer is a unique strength, and we’ll work hard to ensure our brands continue to grow and succeed. The way our customers want to deal with us is continuing to change, and they are telling us they need more from us. They need a seamless digital experience, with personalised products and services at their fingertips.

Are you passionate about technology and its application to real‑world problems? Can you build strong relationships and work efficiently with others across a variety of domains, fields and locations? Across our Engineering teams, we’re creating new opportunities and products to improve customer experiences for years to come.

As a Software Engineer in the Debit Cards and Payments lab, you’ll look for opportunities to progressively modernise our existing platforms and services, adopting agile ways of working to deliver iterative value at pace.

We’re responsible for servicing over 30 million debit cards across all LBG brands, and work alongside global industry leaders, including Visa and MasterCard, using data, technology and systems thinking to drive great outcomes and experiences for our customers.

What you’ll do

• Work as part of a self‑organised engineering team to design and develop software features or services that are delightful and vital in our mission to help Britain prosper.

• Collaborate with teams to modernise and integrate mainframe‑based systems, ensuring seamless interoperability with new technologies and platforms.

• Be at the heart of delivery in your team, building features with a passion for evolving best practices within your community.

• Work with the product and engineering leads to achieve the vision and customer outcomes for your Lab, through writing well‑factored and tested code.

• Be curious about technology and understanding how things work. You’ll influence positively, demonstrating the right values and behaviours as we improve how we deliver.

• You’ll love to solve customer problems using technology and engineering practices.

• You’ll lead, direct and shape approaches to solving technical challenges and translating business requirements into technical solutions.

• Build efficient and reusable back‑end systems and abstractions.

Why Lloyds Banking Group

We’re on an exciting journey to transform our Group and the way we’re shaping finance for good. We’re focusing on the future, investing in our technologies, workplaces and colleagues to make our Group a great place for everyone. Including you!

What you’ll need

• Strong experience working with mainframe technologies (e.g., COBOL, PL/I, CDC JCL, CICS, DB2) and integrating mainframe systems with modern platforms.

• Ability to troubleshoot and optimise mainframe applications for performance and reliability.

• Familiarity with mainframe modernisation strategies and tools.

• Good experience of software‑delivery in a fast‑paced, highly regulated environment, understanding the software development lifecycle end‑to‑end.

It would be great if you also had

• Good knowledge/hands‑on experience using modern technologies such as SQL Databases, Kafka, public cloud platforms and ISO20022 messaging.

• Experience with DevOps practices, including continuous integration & continuous deployment (CI/CD).

• Diverse technical experience and a proven ability to deliver high‑quality applications at scale.

• Agile experience and excellent problem‑solving skills.

• You’re able to effectively communicate and work together across engineering to maximise inner‑sourcing opportunities and reduce waste.

About working for us

Our ambition is to be the leading UK business for diversity, equity and inclusion supporting our customers, colleagues and communities and we’re committed to creating an environment in which everyone can thrive, learn and develop.

We were one of the first major organisations to set goals on diversity in senior roles, create a menopause health package, and a dedicated Working with Cancer Initiative.

We offer reasonable workplace adjustments for colleagues with disabilities, including flexibility in office attendance, location and working patterns. And, as a Disability Confident Leader, we guarantee interviews for a fair and proportionate number of applicants who meet the minimum criteria for the role with a disability, long‑term health or neurodivergent condition through the Disability Confident Scheme.

We provide reasonable adjustments throughout the recruitment process to reduce or remove barriers. Just let us know what you need.

We also offer a wide‑ranging benefits package, which includes:

• A generous pension contribution of up to 15%

• An annual performance‑related bonus

• Share schemes including free shares

• Benefits you can adapt to your lifestyle, such as discounted shopping

• 30 days’ holiday, with bank holidays on top

• A range of wellbeing initiatives and generous parental leave policies