> Markdown version of [/jobs/ext/3325446-lead-software-engineer](https://www.wearedevelopers.com/jobs/ext/3325446-lead-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Software Engineer - **Company:** Descriptionwhy Technology - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), BigQuery, Open Source Technology, Software Deployment, Software Engineering, Systems Integration, TypeScript, Rust (Programming Language), Large Language Models, Kubernetes, Golang, Programming Languages - **Published:** September 5, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/lead-software-engineer/48808157 ## About the Role things better than you found them.Your day-to-day:Adoption of our engineering principlesBuilding and running services at scale in the cloudCollaborating with engineers, designers, product managers within and outside of the teamProviding technical leadership and guidanceUnderstanding the wider context of the business and designing system architectures that meet short and long term business goalsMentoring and growing your teamYour skillset:Proven ability to lead people from a technical and cultural perspectiveYou have proven experience in building scalable and high-performance applications, employing cutting edge algorithms, software design and technologies to do so.You enjoy collaborating with other engineers through pair programming.ObservabilityWeb services, REST, HTTPContainers, cloudTesting, reliability, monitoringStrong knowledge in building and owning application end-to-end, from inception to maintenance, to retirementDesigning systems that scaleExpertise in some of our main programming languages - TypeScript, Java, Golang, Rust, PythonDesirable:You have extensive experience coding in Go and Java.You are someone who can identify repetitive processes and transform them into automated solutions using LLMs, or build custom tools and integrations through code to unlock new efficiencies and opportunities.You have experience applying systems thinking to solve complex business and technical problemsYou have experience deploying applications in Kubernetes through Google Cloud.You are comfortable using BigQuery to analyse data to help identify areas of opportunity within the team.You have knowledge and understanding of the travel sector.The interview journey:TA screening - 30 mins1st stage - Introduction - 45 minsCoding challenge - take home test or pairing2nd stage - SRE - 45 mins2nd stage - Cultural fit - 45 minsPerks of joining us:Company pension contributions at 5%.Individualised training budget for you to learn on the job and level yourself up.Discounted holidays for you, your family and friends.25 days of holidays per annum (plus 8 public holidays) increases by 1 day for every second year of service, up to a maximum 30 days per annum.Ability to buy and sell annual leave.Cycle to work scheme, season ticket loan and eye care vouchers.At loveholidays, we focus on developing an inclusive culture and environment that encourages personal growth and collective success. Each individual offers unique perspectives and ideas that increase the diversity and effectiveness of our teams. And we value the insight and potential you could bring on our continued journey.TPBN1_UKTJ ## Description this far. We are growing and have ambitious plans to expand across Europe , employing the best minds and technology to let us do this.The impact youll have:Lead Software Engineers at loveholidays will contribute to and develop expertise in:Supplier integration systems that process vast amounts of dataIndustry leading bespoke, high performance search and recommendation systemsSophisticated real time pricing systemsML-backed marketing optimisation systemsComplex domain modelling and implementation of booking payment, fulfilment and management systemsAI-powered solutions to assist customers pre and post bookingBest in class, modern user experience through web and mobile applicationsFor a better understanding of our work, refer to some of our blog posts.Or our open source contributions:github.com/loveholidays/ripleygithub.com/loveholidays/phrasebookgithub.com/loveholidays/po-testAs part of our tech culture we continuously improve our time to delivery, reducing errors and generally leaving ## Related Videos - [Your next 10x engineer isn't in your city. Refactor accordingly.](https://www.wearedevelopers.com/videos/100103-your-next-10x-engineer-isn-t-in-your-city-refactor-accordingly) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Do TypeScript without TypeScript](https://www.wearedevelopers.com/videos/327-do-typescript-without-typescript) - [Making Data Warehouses fast. A developer's story.](https://www.wearedevelopers.com/videos/302-making-data-warehouses-fast-a-developer-s-story) - [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang) ## Related Articles - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)