{"id":2907791,"url":"https://alion.io/job/ioco-senior-back-end-developer","title":"Senior Back End Developer","company":{"id":57386,"name":"iOCO","domain":"ioco.tech","url":"https://alion.io/company/ioco","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Simplify","truth_index":{"grade":"A","score":87,"open_postings":7,"ghost_share":0,"stale_share":0.714,"repost_share":0,"time_to_fill_p50_days":20,"computed_at":"2026-10-22T06:10:10Z"}},"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":["Pretoria, South Africa"],"countries":["ZA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":34000,"max_usd":63000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":26},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"C#","optional":false},{"name":"JavaScript","optional":false},{"name":"Node JS","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-20T08:30:53Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-22T10:43:44Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Are you a passionate Senior Back End Developer ready to build secure, scalable and high-performing software solutions for web and Windows applications? Join our team to develop APIs, implement business logic and leverage modern frameworks, microservices, containerisation and DevSecOps practices to deliver reliable, maintainable software.\nWhat you'll do:\nDesign, develop and maintain back-end components for web and Windows applications.\nDevelop server-side functionality using relevant technologies, including C#, JavaScript, .NET Framework, .NET Core and Node.js.\nDesign, develop and maintain APIs and application integrations.\nContribute to the implementation and maintenance of microservices architectures.\nImplement appropriate API security and application security controls.\nDevelop reliable, scalable and maintainable application services.\nCollaborate with front-end developers, business analysts, testers and solution architects to deliver integrated solutions.\nIdentify and resolve defects, performance bottlenecks and integration issues.\nApply containerisation practices to support consistent application packaging and deployment.\nContribute to DevSecOps practices and the integration of security into the software development lifecycle.\nParticipate in code reviews, testing, deployment activities and technical troubleshooting.\nMaintain technical documentation and support application maintenance and production issue resolution.\nApply approved coding standards, development practices and security requirements.\nQualifications:\nSenior Certificate (Grade 12).\nCertification in Software Development.\nYour Expertise:\nAt least six (6) years of experience developing web and Windows applications.\nExperience with technologies and practices including:\nC#.\nJavaScript.\n.NET Framework and/or .NET Core.\nNode.js.\nMicroservices architecture.\nAPI security.\nContainerisation.\nDevSecOps practices.\nRequired Competencies:\nServer-side application development.\nAPI design, development and integration.\nApplication security.\nMicroservices design and implementation.\nSoftware troubleshooting and debugging.\nApplication performance optimisation.\nContainerisation and deployment practices.\nSecure software development.\nCode review and technical documentation.\nCollaboration across multidisciplinary development teams.\nOther information applicable to the opportunity:\n\nPermanent position\nLocation: Pretoria\nWhy work for us?\nWant to work for an organization that solves complex real-world problems with innovative software solutions? At iOCO, we believe anything is possible with modern technology, software, and development expertise. We are continuously pushing the boundaries of innovative solutions across multiple industries using an array of technologies.?\nYou will be part of a consultancy, working with some of the most knowledgeable minds in the industry on interesting solutions across different business domains.?\nOur culture of continuous learning will ensure that you will have all the opportunities, tools, and support to hone and grow your craft.?\nBy joining IOCO you will have an open invitation to developer inspiring forums. A place where you will be able to connect and learn from and with your peers by sharing ideas, experiences, practices, and solutions.?\niOCO is an equal opportunity employer with an obligation to achieve its own unique EE objectives in the context of Employment Equity targets. Therefore, our employment strategy gives primary preference to previously disadvantaged individuals or groups","description_format":"text","description_chars":3519,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning","Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Managed IT Services (MSP)","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-20T08:30:53Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":20,"reasons":["conf:2","velocity","win:early"],"computed_at":"2026-10-22T06:10:10Z"},"pay":null,"html_url":"https://alion.io/job/ioco-senior-back-end-developer","json_url":"https://alion.io/job/ioco-senior-back-end-developer.json","meta":{"generated_at":"2026-10-22T13:49:29Z","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":13173,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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":57386},"rest":"https://alion.io/mcp/rest/get_company?id=57386"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fioco-senior-back-end-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%2Fioco-senior-back-end-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%2Fioco-senior-back-end-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/ioco-senior-back-end-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fioco-senior-back-end-developer"}]}