{"id":470219,"url":"https://alion.io/job/avenga-senior-node-js-engineer","title":"Senior Node.js Engineer","company":{"id":181252,"name":"Avenga","domain":"avenga.com","url":"https://alion.io/company/avenga","size_band":"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":24,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-09-30T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","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":["Buenos Aires, Argentina"],"countries":["AR"],"hiring_countries":["CZ"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":43000,"max_usd":118000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":4821},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Datadog","optional":false},{"name":"GitLab","optional":false},{"name":"Nest.JS","optional":false},{"name":"Node JS","optional":false},{"name":"Opsgenie","optional":false},{"name":"Agile","optional":true},{"name":"Amazon EventBridge","optional":true},{"name":"API Gateway","optional":true},{"name":"AWS","optional":true},{"name":"AWS Lambda","optional":true},{"name":"AWS Step Functions","optional":true},{"name":"DynamoDB","optional":true},{"name":"JavaScript","optional":true},{"name":"React.js","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-08-28T19:54:09Z","employer_posted_date":"2026-09-02","last_verified_at":"2026-09-06T16:11:08Z","board_verified":false,"closed_at":null,"days_open":33,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":33},"description":"This is us\nAt Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX, and UI design, managed services, product development, and software development.\nThis is the job\nIn Argentina , we are seeking a Senior Node.js Engineer to join our engineering team and lead backend development for BFF (Backend-for-Frontend) services and microservice-based systems. You will design, build, and maintain scalable, reliable services, collaborate with product and frontend teams, and drive technical improvements across the stack. The role involves full-lifecycle delivery - from technical scoping and prototyping to implementation, testing, deployment, and support.\n\nThis is you\n5+ years with Node.js (v18+); experience building BFF/back-end services with NestJS or Express.\n\nStrong RESTful API design and NoSQL integration.\n\nExperience with microservices and event-driven/asynchronous architectures.\n\nCloud deployment and management experience; familiarity with Serverless Framework or IaC tools.\n\nProficient with GitLab workflows and setting up monitoring/alerting (e.g., Datadog, OpsGenie).\n\nSolid technical scoping, requirements translation, and full SDLC ownership.\n\nExcellent collaboration and communication; works closely with TL and PO to meet deadlines.\n\nLanguages: Spanish (native), English (intermediate).\n\nLocation: Buenos Aires (CABA or AMBA).\n\nNice-to-have skills:\nExperience with AWS serverless (Lambda, API Gateway, SQS/SNS, Step Functions, EventBridge, DynamoDB);\n\nTypeScript proficiency;\n\nFrontend (React) experience;\n\nFamiliar with agile SDLC.\n\nThis is your role\nDesign and maintain BFF and backend services with Node.js (18+) and NestJS;\n\nBuild and document versioned RESTful APIs; integrate within microservices and event-driven systems;\n\nTranslate requirements into prototypes and production-ready technical solutions;\n\nEnsure code quality: unit tests, code reviews, and defect fixes;\n\nDeploy and manage cloud applications using IaC or Serverless approaches; ensure production reliability with monitoring, alerting (e.g., DataDog, OpsGenie), and incident response;\n\nImprove performance, scalability, and availability;\n\nMaintain functional, architectural, and in-code documentation;\n\nCollaborate with frontend, product, and tech leads; support team OKRs and mentor juniors.\n\nAt Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.","description_format":"text","description_chars":3011,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Spanish","level":"Proficiency (C2)","optional":false},{"language":"English","level":"Intermediate (B1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Czech Republic","iso":"CZ","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","IT Outsourcing & Dedicated Teams","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-09-06T13:11:06Z"}],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":0.4,"p_active":0.504,"p_room":0.45,"age_days":32,"expected_fill_days":19,"reasons":["conf:565","stale_co","velocity","win:tail","comp:brand"],"computed_at":"2026-09-30T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/avenga-senior-node-js-engineer","json_url":"https://alion.io/job/avenga-senior-node-js-engineer.json","meta":{"generated_at":"2026-10-01T00:35:15Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":471,"day_limit":5000,"remaining_today":4529,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}