{"id":3688727,"url":"https://alion.io/job/b2bsoft-full-stack-developer-c-net-react","title":"Full Stack Developer (C# .NET/ React)","company":{"id":4485871,"name":"B2BSoft","domain":"b2bsoft.com","url":"https://alion.io/company/b2bsoft","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Ukraine"],"countries":["UA"],"hiring_countries":["UA"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASP.NET Core","optional":false},{"name":"C#","optional":false},{"name":"Docker","optional":false},{"name":"Graylog","optional":false},{"name":"Hangfire","optional":false},{"name":"IdentityServer","optional":false},{"name":"Material UI","optional":false},{"name":"MS SQL","optional":false},{"name":"RabbitMQ","optional":false},{"name":"React.js","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false},{"name":"TypeScript","optional":false},{"name":"Vite","optional":false},{"name":"xUnit","optional":false},{"name":"Azure","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-03T15:41:45Z","employer_posted_date":null,"last_verified_at":"2026-11-03T15:41:45Z","board_verified":false,"closed_at":null,"days_open":3,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":3},"description":"Required skills \n\n+4 years of active practice in C# .NET / .Net Core / ASP.NET Core \n\nKnowledge at JS/HTML/CSS with commercial development experience minimum 2 years; \n\nExperience in React, MaterialUI, Vite; \n\nExperience of Mobx, Typescript; \n\nHands-on experience of building RESTful API’s and SPA’s; \n\nExperience in MS SQL; \n\nExperience in authentication and authorization; \n\nExperience with code reviews and maintaining code quality standards. \n\nAbility to take full responsibility for delivered code and its quality, including code generated or suggested by AI tools. \n\nIntermediate+ English level. \n\nAs a plus: \n\nKnowledge of Rabbit MQ, Redis, Hangfire, SignaIR; \n\nExperience in Docker; \n\nExperience with micro front-end approach; \n\nExperience of Unit test (XUnit, jest-junit); \n\nExperience in ES6; \n\nExperience in Bank, Retail, Financial or/and Point of Sales projects; \n\nExperience in IdentityServer 4/ Duende \n\nExperience in AppInsights, GrayLog, troubleshooting \n\nResponsibilities: \n\nIntegration with 3d party API’s and systems; \n\nSupport of existing and creation of new applications. \n\nActive participation in discussions and decision making on internal products; \n\nProposing technical solutions based on business needs; \n\nParticipation in an estimation process for short, long term planning; \n\nActive collaboration with team (participation in refinement sessions, daily meetings, planning sessions etc.) \n\nProject Description:\n\nWireless Standard POS (Point-Of-Sales) (www.b2bsoft.com) is our retail management solution for the Telecom Market.\n\nIt provides thousands of retailers with features and functionalities they need to run their businesses effectively with full visibility and control into every aspect of sales and operations. \n\nIt is simple to learn, easy to use and as operation grows, more features can be added on.\n\nOur system can optimize and simplify all processes related to retail in this business area.\nFew things that our product can do:\n\nRobust Online Reporting\n\nRepair Management Software\n\n3rd Party Integrations\n\nCustomer Connect Marketing\n\nTime and Attendance\n\nCarrier Commission Reconciliation\n\nAs a member of one of 5 product development teams in Kiev you will have the opportunity to work on a very complex product with microservice architecture (50+ for now) and communicate with Product, QA, Business analytics, Architecture and Customer Support teams to help improve product quality.\n\nFrom a technology standpoint you will also have the opportunity to work with and develop the following technology stack which we use in our product development:\n\n• For Back End development we use .Net Framework technologies, C# and .NET last LTS version etc.\n\n• For Front End development we use React JS framework (Typescript).\n\nOn a daily basis we use additional technology stacks including: .NET, Microsoft Azure, MS SQL, HTML, CSS, JavaScript and many 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