{"id":2438924,"url":"https://alion.io/job/softflex-llc-full-stack-developer-nodejsreactjs","title":"Full Stack Developer (NodeJS/ReactJS)","company":{"id":4428724,"name":"Softflex Llc","domain":"softflex.co","url":"https://alion.io/company/softflex-llc","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":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hanoi, Vietnam"],"countries":["VN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Dependency Injection","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"Google GKE","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"Neo4j","optional":false},{"name":"Nest.JS","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React.js","optional":false},{"name":"Redis","optional":false},{"name":"Scrum","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-10-13T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-10-13T00:00:00Z","board_verified":false,"closed_at":null,"days_open":6,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":6},"description":"About SoftFlex \n\nSoftFlex LLC is a global IT product company specializing in online payment solutions, e-wallets, and entertainment applications. At SoftFlex, we value strong work ethics, collaboration, and execution excellence, striving to create real value through efficient processes and high-quality software. \n\nJob Summary \n\nThis Full Stack Developer role is responsible for full-cycle software development, including coding, testing, deployment, troubleshooting, and system maintenance while collaborating with internal and external cross functional teams to ensure software quality and performance. \nTrách nhiệm công việc\nDuties & Responsibilities \n\nDesign, develop, and maintain scalable backend services and frontend applications. \n\nBuild and enhance high-performance fintech/product systems handling large-scale concurrent users and high-volume transactions. \n\nDesign and implement scalable microservices and distributed system architectures. \n\nDevelop reliable APIs, asynchronous processing flows, and event-driven services. \n\nOptimize system performance, scalability, reliability, and application responsiveness. \n\nCollaborate closely with PDM, designers, mobile developers, DevOps teams, and other stakeholders to deliver high-quality products. \n\nDesign and maintain efficient database structures, caching strategies, and data processing workflows. \n\nTroubleshoot and resolve production issues, performance bottlenecks, and distributed system challenges. \n\nImplement secure, maintainable, and reusable code following engineering best practices. \n\nReporting and Monitoring \n\nProvide regular progress updates to the Director/PDM/Lead Developer of team \n\nCreate and maintain technical documentation, including code specifications and processes. \n\nMaintain up-to-date documentation for knowledge sharing and system sustainability. \n\nProduce weekly/monthly performance code report to PDM/Lead Developer of team \n\nCooperation & Collaboration \n\nWork collaboratively with internal teams, external vendors, and stakeholders to ensure alignment and delivery quality. \n\nActively comply with company standards. \n\nYêu cầu\n\n4+ years of experience with backend development using Node.js/NestJS and frontend development using React.js, TypeScript, JavaScript (ES6+). \n\nStrong understanding of Clean Code, SOLID principles, dependency injection (DI), modular architecture, and scalable application design. \n\nExperience designing and building scalable microservices, distributed systems, and high concurrency/high-transaction platforms. \n\nStrong understanding of RESTful APIs, asynchronous processing, event-driven architecture, background jobs, caching strategies, and message queues. \n\nExperience working with relational, NoSQL, and graph databases such as PostgreSQL, Redis, and Neo4j. \n\nExperience with Google Cloud Platform (GCP), especially GKE, Google Pub/Sub, and cloud-native architectures. \n\nHands-on experience with Docker, Kubernetes, CI/CD pipelines, monitoring, observability, and system performance optimization. \n\nGood understanding of system design, scalability, reliability, application security, authentication/authorization, and secure coding best practices. \n\nExperience writing clean, maintainable, and testable code with unit/integration testing practices. \n\nGood problem-solving skills and ability to work independently in Agile/Scrum environments. \n\nGood English communication skills.","description_format":"text","description_chars":3404,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-13T11:34:30Z"}],"visa":[],"liveness":{"score":85,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.849,"p_room":1,"age_days":6,"expected_fill_days":22,"reasons":["seen:6","win:early"],"computed_at":"2026-10-19T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/softflex-llc-full-stack-developer-nodejsreactjs","json_url":"https://alion.io/job/softflex-llc-full-stack-developer-nodejsreactjs.json","meta":{"generated_at":"2026-10-19T13:54:48Z","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":10082,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-20T00:00:00Z"}},"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":4428724},"rest":"https://alion.io/mcp/rest/get_company?id=4428724"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsoftflex-llc-full-stack-developer-nodejsreactjs"},{"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%2Fsoftflex-llc-full-stack-developer-nodejsreactjs"},{"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%2Fsoftflex-llc-full-stack-developer-nodejsreactjs"},{"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/softflex-llc-full-stack-developer-nodejsreactjs\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsoftflex-llc-full-stack-developer-nodejsreactjs"}]}