{"id":2699129,"url":"https://alion.io/job/version-1-senior-outsystems-developer","title":"Senior OutSystems Developer","company":{"id":4010,"name":"Version 1","domain":"version1.com","url":"https://alion.io/company/version1","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":11,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Enterprise Apps","role_family":"Enterprise Apps","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":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":31000,"max_usd":87000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1341},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"AWS","optional":false},{"name":"Bootstrap","optional":false},{"name":"C#","optional":false},{"name":"JQuery","optional":false},{"name":"MS SQL","optional":false},{"name":"Oracle","optional":false},{"name":"Snowflake","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-09T11:18:40Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-16T15:19:23Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"Version 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate the rapidly evolving technology landscape. We foster strong partnerships with global technology leaders including Microsoft, AWS, Oracle, Red Hat, OutSystems, Snowflake, ensuring that our customers are provided with the highest quality solutions and services.\nWe’re an award-winning employer reflecting how our employees are at the very heart of what we do:\nUK & Ireland's premier AWS, Microsoft & Oracle partner \n3300+ strong, €350/£300m revenue business \n10+ years as a Great Place to Work in Ireland & UK \nBest Workplace for Women in the UK & Ireland by GPTW \nBest Workplace for Wellbeing in the UK by GPTW \nWe’re a core values driven company, we hire people who share our values, and we reward those who display and foster them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you!.\n We are seeking an experienced Senior OutSystems Developer to oversee the design, development, and deployment of enterprise-grade applications using the OutSystems low-code platform. The successful candidate will have a proven track record of leading technical teams, delivering robust software solutions, and applying industry best practices in Agile environments.\nAs a Senior Developer, you will take responsibility for ensuring quality standards, mentoring team members, and providing technical expertise in software development, systems design, and deployment. You will be expected to collaborate with stakeholders to align technical solutions with business objectives, ensuring successful delivery of projects.\nKey Responsibilities\nLead and contribute to the design and development of applications using the OutSystems platform.\nDefine and enforce coding standards, tools, and techniques for software development.\nOversee all stages of the software development lifecycle, including technical design, development, testing, and deployment.\nProvide technical leadership for the development team, including code reviews, mentoring, and coaching.\nCollaborate with stakeholders to ensure designs meet business requirements and align with architectural standards.\nManage team performance, assign work packages, and optimize productivity.\nConduct root cause analysis, performance tuning, and diagnostic examinations to address system or software failures.\nPlan and deliver knowledge transfer activities, including documentation and technical presentations.\nParticipate in Agile ceremonies, such as iteration planning, daily stand-ups, and sprint reviews, ensuring delivery within sprint cycles.\n A minimum of 5 years’ experience as a Developer, working on large-scale enterprise projects.\nProven expertise with OutSystems platform development and the ability to manage complex systems.\nStrong knowledge of object-oriented programming (C#), .NET Framework, and ASP.NET.\nExperience with database systems such as MS SQL Server and proficiency in database design and development.\nAdvanced proficiency in front-end technologies, including HTML5, CSS, AngularJS, JQuery, and Bootstrap.\nExpertise in managing source control systems like Team Foundation Server (TFS) or equivalent tools.\nFamiliarity with Agile methodologies, including sprint cycles, story estimation, and retrospectives.\n Why Version 1?\nAt Version 1, we believe in providing our employees with a comprehensive benefits package that prioritises their wellbeing, professional growth, and financial stability.\nShare in our success with our Quarterly Performance-Related Profit Share Scheme, where employees collectively benefit from a share of our company's profits \nStrong Career Progression & mentorship coaching through our Strength in Balance & Leadership schemes with a dedicated quarterly Pathways Career Development programme \nFlexible/remote working, Version 1 is tremendously understanding of life events and people’s individual circumstances and offer flexibility to help achieve a healthy work life balance \nFinancial Wellbeing initiatives including; Pension, Private Healthcare Cover, Life Assurance, Financial advice and an Employee Discount scheme \nEmployee Wellbeing schemes including Gym Discounts, Bike to Work, Fitness classes, Mindfulness Workshops, Employee Assistance Programme and much more. Generous holiday allowance, enhanced maternity/paternity leave, marriage/civil partnership leave and special leave policies \nEducational assistance, incentivised certifications, and accreditations, including AWS, Microsoft, Oracle, and Red Hat \nReward schemes including Version 1’s Annual Excellence Awards & ‘Call-Out’ platform. \nEnvironment, Social and Community First initiatives allow you to get involved in local fundraising and development opportunities as part of fostering our diversity, inclusion and belonging schemes. \nAnd many more exciting benefits… drop us a note to find out more.\nVersion 1 is an equal opportunities employer.\nWe are committed to building a diverse, inclusive and respectful workplace where everyone feels valued and able to thrive. We welcome applications from people of all backgrounds, identities and lived experiences, and we value the different perspectives people bring including those shaped by disability and neurodiversity.\nWe want every candidate to have a positive and accessible recruitment experience. If you need reasonable adjustments at any stage of the process, please contact your recruiter at Version 1. We will consider all requests carefully, respectfully and confidentially.\nVideo links:\nhttps://www.youtube.com/watch?v=F_d3ELTH5zo\n#LI-EB1 #LI-Hybrid","description_format":"text","description_chars":5705,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Managed IT Services (MSP)","Enterprise Apps Implementation Partners"],"lifecycle":[{"event":"open","at":"2026-10-16T10:56:07Z"}],"visa":[],"liveness":{"score":85,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.854,"p_room":1,"age_days":7,"expected_fill_days":27,"reasons":["conf:4","win:early","comp:brand"],"computed_at":"2026-10-16T19:22:25Z"},"pay":null,"html_url":"https://alion.io/job/version-1-senior-outsystems-developer","json_url":"https://alion.io/job/version-1-senior-outsystems-developer.json","meta":{"generated_at":"2026-10-16T19:22:25Z","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":4808,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-17T00:00:00Z"}},"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":4010},"rest":"https://alion.io/mcp/rest/get_company?id=4010"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fversion-1-senior-outsystems-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%2Fversion-1-senior-outsystems-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%2Fversion-1-senior-outsystems-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/version-1-senior-outsystems-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fversion-1-senior-outsystems-developer"}]}