{"id":2127478,"url":"https://alion.io/job/mass-software-engineer","title":"Software Engineer","company":{"id":4372552,"name":"MASS","domain":"mass.co.uk","url":"https://alion.io/company/mass-co-uk","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eploy","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":47000,"max_usd":107000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":22},"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"C#","optional":false},{"name":"Git","optional":false},{"name":"Linux","optional":false},{"name":"Microsoft Office","optional":false},{"name":"Red Hat","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-09-16T08:35:59Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-11T21:30:15Z","board_verified":true,"closed_at":null,"days_open":25,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":25},"description":"Software Engineer - On-site, Corsham (SN13)\n£35,000 - £50,000\n25 days annual leave (in addition to Bank Holidays)\nBuy or sell up to 5 days annual leave\nContinuous Professional development support\nTwo pension schemes to choose from\nLife Assurance scheme up to 4 x salary\nPrivate Medical & Dental Insurance + discounts for additional family members\nOther benefits such as Health & Wellbeing Allowance, Electric/Hybrid Car leasing scheme, Cycle to work scheme and more.\nThis is an opportunity to make an impact within a dedicated team that takes great pride in delivering solutions in a role of critical importance, working embedded on a client site. As a software engineer you can expect to be involved in supporting ongoing maintenance and enhancement of mission-critical planning software, working in both Windows and Red Hat Linux environments.\nThe role requires contributing to a rigorous development and test cycle that maintains high customer confidence in both the software and the team maintaining it.\nThe successful candidate will be a confident C# engineer, proficient in .NET thick and thin development ideally with an education background in STEM, with the ability to work effectively in a dynamic environment whilst liaising regularly with the customers. The role is based in-office in Wiltshire but may involve occasional travel both within and outside of UK.\nDuties / Responsibilities:\nAbility to comprehend requirement / document changes to analyse a scope of change required for a work item.\nDesign, development and maintenance of an existing code solution.\nTesting and reviewing software applications and supporting documentation.\nContributing to meetings and work groups, providing domain knowledge and expertise on technical matters.\nCollaborating within a team environment, and communicating effectively.\nSuggesting improvements for continuous improvements.\nEssentials\nYou demonstrate the qualities of an engineer and enjoy the challenge of building complex or efficient software solutions.\nYou want to apply your natural ingenuity to solve challenging engineering problems\nYou're keen to learn new technologies and languages\nYou have a good understanding of computing fundamentals (e.g. logic, data structures) along with strong software design skills, including Object-Oriented Programming, and knowledge of version control systems such as Git\n2+ years’ experience in C# development, or another language\nKnowledge of Visual Studio & MS Office Products\nMust be eligible to work and live in the UK\nMust be eligible to undergo and maintain appropriate UK government Developed Vetting security clearance \nWho is MASS\nMASS is an independent, global technology company, trusted by highly secure organisations to provide advanced, digital services that manage data and keep information safe. With our heritage in defence, we offer robust solutions to sectors where security expertise is essential.\nWellbeing is at the core to our culture, allowing employees to flourish and to achieve their full potential. Our people are important to us, and we take pride in our wellbeing programmes and policies that support individuals including, mental health first aiders and readily available support through our extensive employee assistance programme.\nWe work in partnership with customers, using skilled, technical experts. We think innovatively to provide tailored, agile and resilient solutions that secure advantage, so you’re ready for digital transformation. MASS is an equal opportunities employer; we know that our people are smart, skilled and motivated and in return we provide a friendly workplace where everyone is valued and has the chance to make an impact.\nApply today to see how working for MASS could work for you!","description_format":"text","description_chars":3737,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Annual leave","Dental insurance","Professional development"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-09T00:39:38Z"}],"visa":[],"liveness":{"score":34,"band":"fade","label":"Fading","p_open":1,"p_active":0.613,"p_room":0.55,"age_days":23,"expected_fill_days":16,"reasons":["conf:2","velocity","win:tail","comp:junior"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/mass-software-engineer","json_url":"https://alion.io/job/mass-software-engineer.json","meta":{"generated_at":"2026-10-11T21:45:12Z","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":10854,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-12T00:00:00Z"}},"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":4372552},"rest":"https://alion.io/mcp/rest/get_company?id=4372552"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmass-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%2Fmass-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%2Fmass-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/mass-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmass-software-engineer"}]}