{"id":3965755,"url":"https://alion.io/job/legal-general-senior-engineer-mongodb-aws-serverless","title":"Senior Engineer (MongoDB & AWS Serverless)","company":{"id":6951,"name":"Legal & General","domain":"legalandgeneral.com","url":"https://alion.io/company/legalandgeneral","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cardiff, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Amazon ECS","optional":false},{"name":"API Gateway","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CI/CD","optional":false},{"name":"Clean Architecture","optional":false},{"name":"CloudFormation","optional":false},{"name":"Kanban","optional":false},{"name":"Scrum","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-09T10:08:44Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-14T00:36:14Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Legal & General (L&G) is a leading UK financial services group and major global investor.\nWe’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives of our customers and creating value for shareholders.\nWe are one of the world’s largest asset managers and provide powerful asset origination capabilities. Together, these underpin our retirement and protection solutions: we are an international player in pension risk transfer, in UK and US life insurance, and in UK workplace pensions and retirement income.\nWho we are\nOur Retail business supports customers throughout their lives, to help them save, plan, protect and enjoy retirement.\nWe’re a leading provider of retirement and protection solutions. We aim to support our c.12.8 million policyholders and workplace members throughout their lifelong financial journeys.\nWe focus on helping the customers of today and tomorrow achieve better long-term outcomes. We either talk with them directly or work with intermediaries and employers to meet their needs. We use the latest technology to connect with them quickly, efficiently and wherever possible in highly personalised ways.\n We are looking for a highly skilled Senior Software Engineer to play a critical role in designing, building, and evolving our cloud-native platforms. You will bring deep technical expertise, strong engineering judgement, and a customer-first mindset to deliver secure, scalable, and high-performing software.\nAs a senior member of the team, you will help shape technical direction, reduce complexity and technical debt, and continuously improve how we engineer, deliver, and operate our services. This role has a strong emphasis on AWS serverless technologies and MongoDB, operating within a modern, Agile engineering environment.\nWhat you'll be doing:\nOwning the design and delivery of high-quality software solutions, working end-to-end across features, services, and systems to deliver meaningful customer and business outcomes\nBuilding and operating cloud-native, serverless applications on AWS, ensuring solutions are secure, resilient, scalable, and optimised for performance and cost\nLeading by example in applying clean code, sound architectural principles, and engineering best practices that align with Legal & General’s SSDLC and technology strategy\nActively identifying, prioritising, and addressing technical debt, ensuring long-term maintainability, reliability, and operability of our platforms\nDefining and influencing test strategies that raise the quality bar, with a strong focus on security, accessibility, usability, resilience, and non-functional requirements\nPerforming and leading high-quality code reviews, providing constructive feedback that improves code quality, system design, and team capability\nDriving continuous improvement in team processes, tooling, and ways of working, fostering a culture of learning, accountability, and technical excellence\nMentoring and coaching engineers within the team, supporting their technical growth while encouraging collaboration, inclusion, and knowledge sharing\nKeeping pace with emerging cloud, data, and application technologies, identifying opportunities to adopt relevant advancements and sharing insights across the engineering community\nEnsuring solutions and engineering practices consistently support fair customer outcomes, in line with Legal & General’s Customer Experience principles and Treating Customers Fairly policy\nWho we're looking for:\nStrong expertise in modern software engineering, including clean code, clean architecture, design patterns, distributed systems, microservices, and cloud-native application design\nProven experience delivering serverless solutions on AWS, with hands-on use of services such as Lambda, API Gateway, ECS, and infrastructure-as-code using CloudFormation and serverless frameworks\nDeep, practical experience with MongoDB, including schema design, performance optimisation, and advanced aggregation pipelines, alongside a solid understanding of SQL and other NoSQL data stores\nExtensive experience building and maintaining large-scale systems using TDD, automated testing, CI/CD pipelines, and containerisation, with a clear emphasis on reliability and operational excellence\nA strong security-first mindset, with real-world experience in secure application development, web and API security, threat modelling, and compliance in cloud environments\nDemonstrated ability to solve complex technical problems, make sound architectural decisions, navigate ambiguity, and balance immediate delivery needs with long-term system health\nSignificant experience working in Agile environments (Scrum, Kanban), contributing to effective planning, prioritisation, dependency management, and continuous improvement across teams\nA natural technical leader and communicator who can mentor others, facilitate technical discussions, collaborate effectively with non-technical stakeholders, and positively influence team culture and outcomes\nWhatever your role, we reward performance and behaviour with a package that looks after all the things that are important to you. Here are some of the benefits we offer:\nThe opportunity to participate in our annual, performance -related bonus plan and valuable share schemes\nGenerous pension contribution\nLife assurance\nHealthcare Plan (permanent employees only)\nAt least 25 days holiday, plus public holidays, 26 days after 2 years’ service. There’s also the option to buy and sell holiday\nCompetitive family leave\nParticipate in our electric car scheme, which offers employees the option to hire a brand-new electric car through tax efficient salary sacrifice (permanent employees only)\nThere are many discounts we offer - both for our own products and at a range of high street stores and online\nWe’re creating net-zero carbon workplaces by 2030 by investing in our sustainable, modern offices across the UK, all designed to bring people together and elevate the in-person experience\nAt L&G, we believe it's possible to generate positive returns today while helping to build a better future for all.\nIf you join us, you’ll be part of a welcoming, inclusive culture, with opportunities to collaborate with people of diverse backgrounds, views, and experiences. Guided by leaders with integrity who care about your future and wellbeing. Empowered through initiatives which support people to develop their careers and excel.\nWe care passionately about outcomes rather than attendance and are therefore open to discussing all kinds of flexible working options including part-time and job shares. Although some roles have limited flexibility due to customer demand, we accommodate requests when we can.\nIt doesn’t matter if you don’t meet every single criterion in this advert. Instead, think about what you excel at and what else you can bring in terms of strengths, potential and connection to our purpose.","description_format":"text","description_chars":6947,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Life insurance","Parental leave"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Asset Management & Funds","Life Insurance & Annuities"],"lifecycle":[{"event":"open","at":"2026-11-09T14:06:53Z"}],"visa":[],"liveness":{"score":99,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.993,"p_room":1,"age_days":3,"expected_fill_days":14,"reasons":["conf:0","wave","velocity","win:early"],"computed_at":"2026-11-12T10:38:37Z"},"pay":null,"html_url":"https://alion.io/job/legal-general-senior-engineer-mongodb-aws-serverless","json_url":"https://alion.io/job/legal-general-senior-engineer-mongodb-aws-serverless.json","meta":{"generated_at":"2026-11-14T02:55:16Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":4155,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-15T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":6951},"rest":"https://alion.io/mcp/rest/get_company?id=6951"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flegal-general-senior-engineer-mongodb-aws-serverless"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Flegal-general-senior-engineer-mongodb-aws-serverless"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Flegal-general-senior-engineer-mongodb-aws-serverless"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/legal-general-senior-engineer-mongodb-aws-serverless\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flegal-general-senior-engineer-mongodb-aws-serverless"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3965755}},{"tool":"search_jobs","arguments":{"company":"legalandgeneral.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3965755},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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