{"name":"Agustín Zago","title":"Software Engineer — Backend & Platform","location":"Córdoba, Argentina","availability":"Open to remote and relocation · Italian citizenship (EU work authorisation)","summary":"Full-stack engineer focused on backend and platform work: third-party integrations, distributed data pipelines and AI-powered product features. I build in Node.js and TypeScript on AWS, with React on the front end, and I care about systems that stay correct under concurrency, retries and flaky upstream APIs.","contact":{"email":"zagoagus@gmail.com","website":"https://agustinzago.com","linkedin":"https://linkedin.com/in/agustinzago","github":"https://github.com/agustinzago"},"experience":[{"id":"brainner","company":"Brainner","role":"Lead Platform Engineer","start":"2026-03","end":null,"location":"Remote","tagline":"AI-powered candidate screening platform that plugs directly into recruiters' ATS.","highlights":["Built four production ATS integrations end to end — BambooHR, Teamtailor, Pinpoint and Greenhouse Harvest v3 — covering OAuth connection flows, job and candidate sync, resume ingestion, and bidirectional write-back of stage moves, rejections, notes and AI scores.","Migrated the Greenhouse connector from Harvest v1 to the v3 Partner OAuth API using a dual-vendor model, so both versions ran side by side and existing customers migrated with no downtime and no re-onboarding.","Designed a cursor-paginated sync layer on AWS Lambda that streams ATS records into OpenSearch, with per-vendor rate limiting, exponential backoff on 429s and idempotent retries across resumable pages.","Built Candidate Pools, a conversational search experience combining hybrid retrieval over OpenSearch (keyword + vector embeddings), Cohere reranking served through Amazon Bedrock, and per-criterion AI evaluation of every shortlisted candidate with streaming UI updates.","Shipped Candidate Rediscovery, re-evaluating a company's entire historical ATS database against any new opening to turn dormant applicant data into a sourcing channel; rolled out progressively behind team-scoped feature flags.","Hardened the distributed import and evaluation pipeline on Redis-backed workers with claim-and-recover semantics for stale runs, enqueue deduplication and cancellation handling, eliminating stuck and double-completed jobs.","Implemented automated OAuth token rotation on AWS Secrets Manager for vendors issuing rotating refresh tokens, removing a recurring class of silent integration failures."]},{"id":"winclap","company":"Winclap","role":"Software Engineer","start":"2025-01","end":"2026-03","location":"Córdoba, Argentina (Hybrid)","tagline":"Serverless media intelligence platform for cross-platform advertising campaigns.","highlights":["Built and scaled a serverless media platform on SST, tRPC, React and AWS (Lambda, DynamoDB, OpenSearch, S3) supporting seven advertising platforms — Google Ads, Facebook, TikTok, LinkedIn, Twitter, Moloco and Liftoff.","Architected type-safe, high-throughput APIs capable of serving 10,000+ advertising assets per query for cross-platform analysis.","Developed AI-powered asset quality intelligence producing real-time health scores, compliance checks and automated correction suggestions across campaigns.","Designed predictive alerting that combined quality degradation, budget anomalies and change velocity into proactive account-management signals, including >50% budget variance alerts.","Implemented localisation across Spanish, English and Portuguese, including translation key management and regional variants."]},{"id":"itlg-fullstack","company":"ITLG","role":"Fullstack Developer","start":"2024-01","end":"2025-01","location":"Córdoba, Argentina (Hybrid)","tagline":null,"highlights":["Led a full-stack feature that improved application performance by 30%, using React on the front end and Node.js for backend processing.","Redesigned a core module's UI and backend architecture, raising user satisfaction and engagement by 25% through better data-access patterns and database management.","Introduced TypeScript across React and Node.js codebases, reducing runtime errors and improving maintainability for the whole team.","Implemented RESTful APIs and third-party integrations with secure data handling between client and server."]},{"id":"itlg-backend","company":"ITLG","role":"Backend Developer","start":"2023-05","end":"2024-01","location":"Córdoba, Argentina (Hybrid)","tagline":null,"highlights":["Built an automated scheduling system with Control-M that cut manual operational workload by 40%.","Optimised database performance by rewriting SQL queries, reducing execution time by 20%.","Streamlined data integration pipelines with DataStage, improving data accuracy and consistency across systems."]},{"id":"tutor","company":"Freelance","role":"Python Tutor","start":"2022-01","end":"2022-12","location":"Córdoba, Argentina (Remote)","tagline":null,"highlights":["Mentored 10+ San Andrés College students through personalised Python tutoring, with a 100% success rate on their college projects.","Created a Python curriculum and coding workshops tailored to individual learning needs."]}],"skills":{"languages":["TypeScript","JavaScript","Python","SQL"],"backend":["Node.js","NestJS","Strapi","tRPC","REST APIs","OAuth 2.0","PostgreSQL","Redis"],"frontend":["React","Next.js","Tailwind CSS"],"cloud":["AWS (Lambda, S3, DynamoDB, Secrets Manager, EventBridge, Bedrock)","SST","OpenSearch","Docker"],"ai":["RAG and hybrid search","vector embeddings","reranking","LLM tooling and agent workflows"],"practices":["Git","CI/CD","Scrum","feature flags","technical documentation"]},"education":[{"institution":"Universidad Tecnológica Nacional (UTN FRC)","degree":"Software Engineering","start":"2019-02","end":null,"note":"36 of 40 courses completed towards the degree."},{"institution":"British School","degree":"English — Advanced (C1)","start":"2019-02","end":"2023-12","note":"Cambridge CAE Grade B; FCE Grade B; PET pass with merit."}],"languages":[{"name":"Spanish","level":"native"},{"name":"English","level":"advanced, C1"},{"name":"Portuguese","level":"conversational"}],"projects":[]}