{"id":2542808,"url":"https://alion.io/job/lslps-principal-developer","title":"Principal Developer","company":{"id":4423376,"name":"LSLPS","domain":"lslps.co.uk","url":"https://alion.io/company/lslps","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"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":"Azure","optional":false},{"name":"Azure DevOps","optional":false},{"name":"CI/CD","optional":false},{"name":"Computer Vision","optional":false},{"name":"Django","optional":false},{"name":"Docker","optional":false},{"name":"Flask","optional":false},{"name":"Machine Learning","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false},{"name":"SQL","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-14T16:02:55Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-14T19:27:46Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Vacancy Location\nUK-RemoteJob Profile\nTrading since 1989, e.surv Chartered Surveyors is the UK's number one residential surveyor and the largest provider of property risk expertise and residential surveying services. To put it into numbers, we complete more than one property inspection every 12 seconds and employ over 600 surveyors from Land’s End to John O’Groats and Northern Ireland. This gives us the flexibility to offer nationwide coverage combined with invaluable local knowledge.\nWe're part of the LSL Property Services Group PLC, which includes household names Your Move and Reeds Rains as well as the mortgage network PRIMIS. We work with lenders, intermediaries, social housing entities and estate agents in addition to private customers\nDesign, develop, secure, test, deploy and support modern software solutions, APIs, portals, automation services and cloud-native applications for use across e.surv and its clients. Act as a principal technical owner providing technical leadership, delivery oversight, contractor management, work package ownership and stakeholder reporting while remaining hands-on technically.\nRole responsibilities\n\nLead solution design, technical decisions, and development teams.\nBuild enterprise applications using Python, Django, Flask, React.js and SQL.\nDevelop secure REST APIs and integration services.\nApply advanced Python development techniques and best practices.\nDesign, administer, and optimise PostgreSQL and SQL Server databases.\nEstablish coding standards and mentor developers.\nDesign and maintain Azure DevOps pipelines.\nImplement automated build, test, and deployment processes.\nManage containerised applications using Docker and Azure Container Registry (ACR).\nOversee release management, environment governance, and deployment controls. \nEssential skills\nExpert-level Python development skills.\nStrong architecture and solution design expertise.\nUse of AI to augment the development process.\nExtensive experience with Django, Flask and React.js and SQL.\nStrong understanding of API-first architectures.\nProven ability in performance optimisation.\nExperience with Docker containerisation.\nAdvanced DevSecOps, CI/CD and cloud-native application knowledge\nExperience leading Agile Scrum delivery teams.\nExcellent communication, stakeholder engagement and documentation skills.\nEssentials Experience\nSignificant commercial experience developing enterprise applications using Python.\nExperience with AI, machine learning or computer vision technologies.\nProven experience designing and deploying production-grade web applications and APIs.\nExperience implementing DevSecOps practices within CI/CD pipelines.\nExperience deploying containerised applications to cloud environments.\nDemonstrable experience with:\nUnit testing\nIntegration testing\nFunctional testing\nSecurity testing\nAutomated deployment pipelines\nProven experience performing code reviews and maintaining coding standards.\nRole values\nDelivering what we promise, when we promise it - Maintains focus on achieving and exceeding team targets through tenacity and dedication to the role.\nPutting our customers and their needs first - Demonstrates a quality work ethic, delivering results consistently and accurately and responding to requests respectfully, politely, and professionally at all times.\nTaking an honest approach to business - Is clear, accountable, reliable, knowledgeable, and direcListening, learning, and finding better ways to make a difference - Looks for opportunities to improve business processes by collaborating with others; is receptive to new ideas and offers solutions to challenges.\nApply\nIf you feel you match our requirements and are looking for your next career challenge, or for a confidential discussion on the full details of this role please contact Alka Tarafdar on 07751808563 or  - alternatively apply with your CV and covering letter for a quick response.\nIn your Application, please feel free to note which pronouns you use (for example, she/her/hers, he/him/his, they/them/theirs)\ne.surv is an equal opportunity and Disability Confident employer, dedicated to building a diverse and inclusive workplace. We welcome applications from people of all abilities and backgrounds, and we do not discriminate based on disability or individual needs. If you require any reasonable adjustments during the recruitment process, please let us know.\nLSL Property Services are dedicated to protecting your data - our Recruitment Privacy Notice can be viewed HERE\nPRE EMPLOYMENT SCREENING - All of our employees have to pass a Criminal Records Disclosure and Credit Referencing Process in order to work with our lender clients, if you are unsure on this, ask the team and we'll be happy to explain the process.","description_format":"text","description_chars":4769,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-14T16:02:55Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":33,"reasons":["conf:0","win:early"],"computed_at":"2026-10-14T19:58:23Z"},"pay":null,"html_url":"https://alion.io/job/lslps-principal-developer","json_url":"https://alion.io/job/lslps-principal-developer.json","meta":{"generated_at":"2026-10-14T19:58:23Z","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":26307,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-15T00:00:00Z"}},"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":4423376},"rest":"https://alion.io/mcp/rest/get_company?id=4423376"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flslps-principal-developer"},{"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%2Flslps-principal-developer"},{"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%2Flslps-principal-developer"},{"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/lslps-principal-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flslps-principal-developer"}]}