{"id":1451023,"url":"https://alion.io/job/simplify-hr-proprietary-limited-senior-full-stack-developer","title":"Senior Full Stack Developer","company":{"id":1891733,"name":"Simplify HR","domain":"simplify.hr","url":"https://alion.io/company/simplify-hr","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":{"grade":"B","score":75,"open_postings":394,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":33,"computed_at":"2026-10-14T06:34:16Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["South Africa"],"countries":["ZA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":31000,"max_usd":59000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":24},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"Azure Cosmos DB","optional":true},{"name":"JavaScript","optional":true},{"name":"PostgreSQL","optional":true},{"name":"SQL","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-09-03T00:00:00Z","employer_posted_date":"2026-09-03","last_verified_at":"2026-09-29T13:23:43Z","board_verified":false,"closed_at":null,"days_open":41,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":41},"description":"About the opportunity\nCore Group is looking for a Senior Full Stack Developer to deliver complex features across the web front ends and back-end services of our omnichannel platform. You’ll work across e-commerce, trade-in, POS and integrations to core retail and wholesale systems, taking ownership of the harder work in the backlog while supporting less-experienced developers through strong technical guidance and code review.\nWhat you’ll be doing\nDeliver complex features end to end across Angular/React front ends and .NET/C# or Node.js back ends with minimal supervision.\nOwn feature- and component-level technical design within the architecture and patterns defined by the solution architecture team.\nLead and participate in code reviews, helping to raise code quality across the team.\nBuild secure, reliable and performant features that can withstand peak trading and major product-launch demand.\nContribute to backlog refinement and estimation, help unblock peers and participate fully in Agile delivery.\nMentor junior and intermediate developers and share technical knowledge across the team.\nDesign and consume APIs used by web and native mobile clients.\nTechnology stack\nFront end: Angular and React\nBack end: .NET / C# and Node.js\nData: SQL Server, PostgreSQL and Cosmos DB\nCloud: Microsoft Azure\nIntegration: Azure Integration Stack with ERP / OMS / WMS / CRM platforms\nWhat we’re looking for\nDegree in Computer Science or a closely related field, or equivalent practical experience.\n5-8 years building and shipping software, including complex features delivered end to end.\nStrong hands-on experience across the web and back-end stack: Angular/React, .NET/C#/Node.js and relational/NoSQL data stores.\nStrong technical design and independent problem-solving ability.\nGood automated-testing, secure-coding and code-review discipline.\nAbility to mentor less-experienced developers and collaborate effectively with technical and non-technical stakeholders.\nAdvantageous\nRetail, e-commerce, POS or omnichannel experience.\nExperience building on Microsoft Azure.\nExposure to APIs used by multiple client applications, including web and mobile.\nWhat will make you successful\nYou enjoy owning difficult work, solving problems independently and helping a team consistently ship high-quality software.\nHow we work\nWe value customer focus, getting things done, teamwork, innovation, integrity, passion and embracing differences. 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