{"id":3147188,"url":"https://alion.io/job/systango-technologies-limited-mern-stack-engineer-s03s04","title":"MERN stack engineer (S03/S04)","company":{"id":450069,"name":"Systango Technologies Limited","domain":"systango.com","url":"https://alion.io/company/systango-technologies-limited","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Keka","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Indore, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":15000,"max_usd":36000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":168},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Express","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Koa.js","optional":false},{"name":"Kubernetes","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Sass","optional":false},{"name":"SQL","optional":false},{"name":"State Management","optional":false},{"name":"Agile","optional":true},{"name":"Machine Learning","optional":true},{"name":"Scrum","optional":true},{"name":"TypeScript","optional":true}],"status":"closed","first_seen_at":"2026-10-23T07:38:22Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-10-27T11:04:39Z","board_verified":false,"closed_at":"2026-10-27T11:04:39Z","days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"About US:\nSystango Technologies Limited (NSE: SYSTANGO) is a digital engineering company that offers enterprise-class IT and product engineering services to different size organizations. At Systango, we have a culture of efficiency - we use the best-in-breed technologies to commit quality at speed and world-class support to address critical business challenges. We leverage Gen AI, AI/Machine Learning and Blockchain to unlock the next stage of digitalization for traditional businesses. Our handpicked team is adept at web & enterprise development, mobile apps, QA and DevOps. Sila, Cuentas, Youtility, Porsche, MGM Grand, Deloitte, Grindr, and Tawk.to are some of the top clients that have entrusted us to enhance their digital capabilities and build disruptive innovations. We believe in making the impossible, possible and we do it literally.\nJob Summary\nWe are looking for an experienced MERN Stack Engineer with strong expertise in Node.js backend development and hands-on experience building scalable, secure, and high-performance web applications. The ideal candidate should be proficient in MongoDB, Express.js, React.js, and Node.js, with a solid understanding of application architecture, database design, cloud deployment, and modern development practices.\nThe candidate must have strong verbal and written communication skills, the ability to collaborate effectively with cross-functional teams, and the confidence to explain technical concepts, discuss solutions, and contribute to technical decisions.\nKey Responsibilities\nDesign, develop, and maintain scalable web applications using MongoDB, Express.js, React.js, and Node.js.\nBuild robust RESTful APIs and backend services using Node.js and frameworks such as Express.js, Koa.js, or similar.\nDevelop responsive and user-friendly frontend applications using React.js, JavaScript (ES6+), HTML5, and CSS3.\nDesign efficient database schemas and optimize queries across MongoDB and SQL databases.\nImplement secure authentication and authorization mechanisms, including JWT, OAuth, and role-based access control.\nUnderstand and apply asynchronous programming, event-driven architecture, error handling, and performance optimization techniques.\nDesign applications with scalability, maintainability, security, and reliability in mind.\nIntegrate third-party APIs, external services, and multiple data sources.\nDeploy and manage applications using AWS services and implement CI/CD pipelines.\nApply DevOps practices using Docker, Kubernetes, and related deployment tools where applicable.\nConduct code reviews, write maintainable code, and ensure adherence to engineering standards and best practices.\nTroubleshoot complex technical issues, identify root causes, and implement effective solutions.\nCollaborate with product managers, designers, QA engineers, and other stakeholders to ensure timely project delivery.\nMentor junior developers and contribute to knowledge sharing and continuous improvement.\nCommunicate technical updates, implementation approaches, risks, and dependencies clearly to technical and non-technical stakeholders.\nRequired Skills and Qualifications\n5-8 years of professional experience in software development, with strong expertise in Node.js and backend engineering.\nHands-on experience with the MERN stack: MongoDB, Express.js, React.js, and Node.js.\nStrong proficiency in JavaScript (ES6+) and a good understanding of modern JavaScript features.\nSolid understanding of asynchronous programming, Promises, async/await, event loops, and error handling.\nExperience developing RESTful APIs, backend services, and integrations with third-party systems.\nGood knowledge of MongoDB, database schema design, indexing, query optimization, and familiarity with SQL databases.\nExperience with React.js, component-based architecture, state management, and responsive UI development.\nUnderstanding of application security, authentication, authorization, and secure coding practices.\nKnowledge of application architecture, design patterns, scalability, and performance optimization.\nExperience with AWS or other cloud platforms for application deployment and hosting.\nFamiliarity with Git, CI/CD pipelines, Docker, and Kubernetes.\nUnderstanding of HTML5, CSS3, and frontend styling approaches such as SASS.\nKnowledge of testing practices, debugging, and code quality tools.\nCommunication and Collaboration Skills\nExcellent verbal and written communication skills.\nAbility to explain technical concepts and architectural decisions clearly.\nConfidence in participating in client discussions, requirement-gathering sessions, and technical meetings.\nStrong problem-solving, analytical, and collaborative skills.\nAbility to take ownership of deliverables, provide timely updates, and work effectively in a team environment.\nPreferred Qualifications\nExperience with TypeScript and modern frontend development practices.\nFamiliarity with automated testing frameworks and test-driven development.\nExperience with microservices, event-driven systems, caching, and message queues.\nExposure to application monitoring, logging, and production troubleshooting.\nExperience working in Agile/Scrum environments.\nWhat We Are Looking For\nA hands-on engineer who combines strong Node.js backend expertise with practical MERN stack experience, sound engineering judgment, ownership, and excellent communication skills. The candidate should be comfortable solving complex technical problems while working collaboratively to deliver reliable, scalable, and maintainable software solutions.","description_format":"text","description_chars":5542,"description_truncated":false,"requirements":{"experience_years_min":5,"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":["LLM & Generative AI"],"lifecycle":[{"event":"open","at":"2026-10-23T10:44:58Z"},{"event":"close","at":"2026-10-27T11:04:39Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/systango-technologies-limited-mern-stack-engineer-s03s04","json_url":"https://alion.io/job/systango-technologies-limited-mern-stack-engineer-s03s04.json","meta":{"generated_at":"2026-10-27T14:33:06Z","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":3109,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"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":450069},"rest":"https://alion.io/mcp/rest/get_company?id=450069"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsystango-technologies-limited-mern-stack-engineer-s03s04"},{"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%2Fsystango-technologies-limited-mern-stack-engineer-s03s04"},{"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%2Fsystango-technologies-limited-mern-stack-engineer-s03s04"},{"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/systango-technologies-limited-mern-stack-engineer-s03s04\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsystango-technologies-limited-mern-stack-engineer-s03s04"}]}