Lloyds Banking Group · Technology

Lloyds Banking Group Software Engineer Interview Questions & Preparation

Quick answer

A Lloyds Banking Group Software Engineer interview combines Lloyds Banking Group's 4-stage process — application & tests, video interview, assessment centre, offer — with the technical and behavioural bar for a Software Engineer. Expect Lloyds Banking Group to assess put customers first and keep it simple, alongside core software engineer skills like data structures & algorithms and system design. Prepare software engineer answers framed around what Lloyds Banking Group specifically looks for.

How Lloyds Banking Group interviews Software Engineers

Lloyds Banking Group is a major UK retail and commercial bank, hiring across finance, technology, data, risk and operations. Its process is values-driven, assessing behaviours and strengths alongside capability.

For a Software Engineer specifically, Lloyds Banking Group pairs its standard assessment with a technical bar focused on data structures & algorithms, system design, a core language (e.g. python, java, go). Software engineering interviews test three things: can you code cleanly under time pressure, can you design systems that scale, and can you work in a team. The bar rises with seniority — juniors focus on coding fundamentals, while senior and staff candidates spend more time on architecture and influence.

The Lloyds Banking Group interview process

Lloyds Banking Group interview process1Application & tests2Video interview3Assessment centre4Offer
Lloyds Banking Group interview process
StageWhat to expect
Application & testsApplication plus online aptitude and situational assessments.
Video interviewStrengths- and behaviour-based questions.
Assessment centreGroup exercise, interview and sometimes a case or presentation.
OfferDecision and offer.

What Lloyds Banking Group assesses

Put customers firstKeep it simpleMake a difference together

Software Engineer questions at Lloyds Banking Group

Expect a blend of Lloyds Banking Group's signature questions and core software engineer questions:

  1. 1Why Lloyds, and why this area?
  2. 2Tell me about a time you put a customer first.
  3. 3Describe a time you collaborated to make a difference.
  4. 4Reverse a linked list and explain your approach.
  5. 5Design a URL shortener — walk me through the data model and scaling.
  6. 6Tell me about a time you disagreed with a technical decision.
  7. 7How would you find the first non-repeating character in a string?
  8. 8Describe a system you built end to end and the trade-offs you made.
  9. 9How do you approach debugging a production incident?

Example STAR answer

The STAR method: Situation, Task, Action, ResultSSituationSet the sceneTTaskYour responsibilityAActionWhat you didRResultThe measurable outcome
The STAR method — structure every behavioural answer around these four steps.

Example answer to: “Tell me about a time you led a technical project under pressure.”

SituationOur legacy checkout service was causing 3% of payments to fail at peak.
TaskI owned a migration to a new payment provider with a two-week deadline before Black Friday.
ActionI broke the work into a dark-launch behind a flag, wrote contract tests, and coordinated a staged rollout across three teams.
ResultWe shipped two days early; payment failures dropped to 0.2% and we processed a record peak with no incidents.

Skills assessed

Data structures & algorithmsSystem designA core language (e.g. Python, Java, Go)TestingCommunication

How to prepare for a Lloyds Banking Group Software Engineer interview

  • Map answers to Lloyds' values and behaviours.
  • Bring genuine customer-focus examples.
  • Think out loud — interviewers score your problem-solving process, not just the final answer.
  • Clarify the problem and edge cases before you write code.
  • Prepare 4–5 STAR stories that show ownership, conflict and impact.
  • For system design, start with requirements and scale estimates before drawing boxes.

Software Engineer salary

UK software engineers typically earn £45k–£90k, with senior and big-tech roles reaching £120k+ including equity.

Frequently asked questions

What does the Lloyds Banking Group Software Engineer interview process involve?

Lloyds Banking Group's process runs through application & tests, video interview, assessment centre, offer. For a Software Engineer, the technical rounds focus on data structures & algorithms, system design, a core language (e.g. python, java, go), and behavioural rounds assess put customers first and keep it simple.

What is the Lloyds Banking Group interview process?

Online assessments, a strengths-based video interview and a values-driven assessment centre with a group exercise and interview.

How many coding rounds are in a software engineer interview?

Usually 2–4 coding rounds, plus a system design round for mid-level and above and at least one behavioural round.

What's the best way to prepare for a software engineering interview?

Practise data-structure and algorithm patterns out loud, rehearse system design with real requirements, and prepare STAR stories for the behavioural round.

Preparing for a Lloyds Banking Group Software Engineer interview?

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