{"id":2174290,"url":"https://alion.io/job/nationwide-senior-software-engineer","title":"Senior Software Engineer","company":{"id":1774099,"name":"Nationwide Building Society","domain":"nationwide.co.uk","url":"https://alion.io/company/nationwide-co-uk","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Swindon, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":83000,"max_usd":162000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":112},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"Amazon EKS","optional":false},{"name":"Amazon S3","optional":false},{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"GitHub Actions","optional":false},{"name":"IAM","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"C#","optional":true}],"status":"live","first_seen_at":"2026-10-09T11:13:53Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-12T09:30:37Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"As part of our growing engineering team, you will be responsible for the creation and delivery of technical artefacts to deliver team objectives that are aligned to engineering and architectural strategy. Recognised as a technical SME and/or a task leader and/or a people leader. Provide technical leadership enabling technical decisions to be made with confidence and at pace. Help to provide quality solutions that meet KPIs/SLAs for the area.\nWe invest in our people to ensure we create multi-functional engineers and retain the skills within the organisation - you’ll be working on something truly meaningful with a supportive and close-knit team.\nAt Nationwide we offer hybrid working wherever possible. More rewarding relationships are supported through our hybrid approach, bringing colleagues together across our UK wide estate, whilst also supporting generous access to home working. We value our time in the office to solve problems, to learn, and to feel connected.\nFor this job you'll spend at least two days per week, or if part time you'll spend 40% of your working time, based at our Swindon, London (Post Building) or Manchester offices.If your application is successful, your hiring manager will provide further details on how this works. You can also find out more about our approach to hybrid working here.\nWhilst these locations are where we are primarily looking to fill the role, if you’re an internal applicant based in a different location we would welcome your application and if successful, your hiring manager will provide further details on how this could work for this specific role. You can also find out more about our approach to hybrid working here.\nNationwide is committed to the redeployment of our employees impacted by change, as such applications for redeployment candidates will be prioritised in this recruitment process.\nIf you’re a colleague on long-term absence (for example, on parental leave) or a temporary worker, please use your personal email address to submit an application.\nWhat you’ll be doing\nDay-to-day you’ll be leading a team delivering first-class solutions in an Agile environment, adopting DevOps practices to enable rapid iteration and driving continuous improvements. You’ll work closely with the Lead Engineer and Technology Lead to ensure the quality of your solutions are resilient and stand up to being used by thousands of people every day.\nYou’ll be responsible for mentoring and developing your team to help build our development process and strategies.\nWe want you to nurture and value proactive habits and to develop contacts and relationships, so things are done faster and more efficiently. We will expect you to get stuck in and have a go, and we will provide any support needed to learn new things in new areas.\nLine Management responsibility within a feature team to include capability development, coaching, nurturing, performance management and pastoral care.\nOn-call: This position does require on-call, which is currently one week in every 12. This is a 24* rota and being on-call and call outs will be compensated.\nAbout you\nAs a minimum requirement, you’ll have:\nProven experience in MSO systems and Mortgage sales and APIs is a must\nKnowledge of MSO forms engine and MSO workflow\nProven experience of designing and implementing full-stack solutions with knowledge of .NET or JavaScript frameworks\nExperience designing and deploying microservices and distributed systems with usage of event streaming such as Kafka.\nExperience in AWS hosting APIs and using IAM, S3, Lambda, EKS, Route53. \nKnowledge of Docker/Kubernetes, Git Source Control, CI/CD pipelines (GitHub Actions, Harness), Infrastructure as Code\nGood understanding of modern development practices\nExperience of managing and leading small teams\nWorking knowledge of emerging technologies e.g. cloud-native architectures, DevOps engineering and container based continuous delivery, cloud automation and infrastructure-as-code\nExperience of coordinating complex release schedules, managing cross-team dependencies, and engaging stakeholders to ensure successful delivery and live proving activities with minimal operational risk.\nOur customer first behaviours put customers and members at the heart of how we work together. They are the set of behaviours that every colleague needs to display, in every role:\nFeel what customers feel - We step into our customers’ shoes, using their feedback and insights to empathise with them and to understand their needs, so that every decision we make starts and finishes with our customers in mind\n\nSay it straight - We are brave in speaking out and saying what we think - we’re honest and direct with good intent, openly sharing diverse perspectives to reach the best conclusions and using language everyone can understand\n\nPush for better - We don’t settle for mediocrity, we challenge the status quo, taking responsibility for continuous improvement and personal development\n\nGet it done - We prioritise what will have the greatest impact, we are decisive, and we take accountability for delivering brilliant customer outcomes\n\nYou can strengthen your application by showing how our customer first behaviours resonate with you, and where you may have already demonstrated these.\nThe extras you’ll get\nThere are all sorts of employee benefits available at Nationwide, including:\n25 days holiday, pro rata\n\nPrivate medical insurance\n\nA highly competitive pension to help you build a strong foundation for retirement\n\nAccess to an annual performance-related bonus\n\nTraining and development to help you progress your career\n\nA great selection of additional benefits through our salary sacrifice scheme\n\nLife assurance to provide peace of mind for you and your loved ones in the event of your death\n\nWellhub - access to a range of free and paid options for health and wellness\n\nUp to 2 days of paid volunteering a year\n\nBanking - but fairer, more rewarding, and for the good of society\nWe forge our own path at Nationwide.\nAs a mutual, we’re owned by our members - those customers who bank, save or have a mortgage with us. We challenge the financial sector status quo. We don’t see customers as the engine of our own profit. We share our profits with them and put their needs first. Always there when they need us. Supporting them and their lives.\nIf you’re inspired by fairer finances, passionate about making a meaningful impact, and truly care about our customers, you’re one of us.\nAt Nationwide, you are challenged to grow and rewarded for doing so. Valued. Recognised. Inspired to be your best. As a community, we want our working lives to count. As a team, we celebrate what we achieve. As a standard-setter, we work for the good of customers, communities, and broader society.\nWe are purpose-driven. Uncompromisingly customer. Unstoppably Nationwide.\nWhat to do next\nIf this role is for you, please click the ‘Apply Now’ button. You’ll need to attach your up-to-date CV and answer a few quick questions for us.\nWe respond to everyone, so we will be in contact shortly after the closing date to let you know the outcome of your application.\nKeeping your data and personal information confidential is important to us. To find out more about how we use and process your data, please read our Privacy policy.\nIf you want to find out more about using AI in our recruitment process, please read more here.\nDisability Confident\nWe’re not just guided by data, we’re driven by the real experiences of our people. We’re a Disability Confident Level 3 Leader, the highest level.\nThat’s why we’re constantly evolving our policies and practices to make sure everyone feels genuinely supported, valued, and empowered to champion inclusion. Whatever your needs, we’re here to support you. If you need any additional support throughout your application journey, email our team at Recruitment Support.\nApply safely with Nationwide\nRecruitment scams can look convincing, so take a moment to check the role is listed on our official careers site and read our guidance on Don’t be conned by a job scam.\nThe hiring manager for this role is Vijay Thiagarajan, and the main recruitment contact is Anoop Gosai.\nPlease note that should you be successful in securing this role, the job title on our internal systems will be Engineer E3.","description_format":"text","description_chars":8296,"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":["Health insurance","Hybrid work","Parental leave"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Services","Credit Unions & Cooperative Banks"],"lifecycle":[{"event":"open","at":"2026-10-09T13:27:13Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Skilled Worker, Senior or Specialist Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker; Global Business Mobility: Senior or Specialist Worker","cap_exempt":false,"checked_at":"2026-10-10T06:21:00+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":88,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.881,"p_room":1,"age_days":2,"expected_fill_days":9,"reasons":["conf:3","velocity","win:early"],"computed_at":"2026-10-12T06:55:09Z"},"pay":null,"html_url":"https://alion.io/job/nationwide-senior-software-engineer","json_url":"https://alion.io/job/nationwide-senior-software-engineer.json","meta":{"generated_at":"2026-10-12T10:06:59Z","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":15495,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":1774099},"rest":"https://alion.io/mcp/rest/get_company?id=1774099"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fnationwide-senior-software-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Fnationwide-senior-software-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Fnationwide-senior-software-engineer"},{"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/nationwide-senior-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fnationwide-senior-software-engineer"}]}