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Co-creator of Retriever, an AWS-deployed observability platform enabling AI-powered trace analysis through distributed systems. Built a custom MCP server for natural language querying of trace data via LLMs, optimizing context consumption. Experienced in building full-stack applications, comfortable with AWS cloud environment, and skilled in AI technologies like RAG, MCP, and Vector embeddings.

Eduard Tiron is a Software & DevOps Engineer with 10 years of experience. He has a strong background in leading research and startup-like commercial projects focused on modernizing processes. His expertise includes deploying applications on EC2 and Kubernetes (AKS, EKS, Helm Charts, ArgoCD, Istio), building telemetrics pipelines with AWS (S3, Lambda, Glue, Athena, Grafana, Postgres) for millions of daily messages, a…

An infrastructure-focused software engineer with experience developing enterprise-scale and Payment Card Industry-compliant IaC modules at Visa. Responsible for coordination and rollout of centralized cost monitoring in 45 production GCP projects. Recently architected and built an AWS environment with data residency for pharmaceutical research, including an extreme multi-label (1.4k) classification NLP/LLM ingest pi…

Ademilson Tonato is a Software Engineer currently working at one of the 50 fastest-growing startups in San Francisco. He specializes in building and scaling production systems and is proficient in a wide range of technologies including Node.js, TypeScript/JavaScript, Express, Next.js, React, Vue.js, Supabase/PostgreSQL, and Tailwind CSS. He is also learning Go and has experience with GraphQL, gRPC, and LangChain. Ad…

Steven Lei is a Senior Engineer with over 10+ years of experience building scalable full-stack applications and production-grade AI features. He specializes in architecting LLM-powered tools and Retrieval-Augmented Generation (RAG) pipelines that solve complex data problems. He is looking for a senior or founding role where he can build high-impact products from the ground up.

Didier is an experienced developer with over 10 years of experience, specializing in open-source technologies like Drupal, Symfony, and NextJS. His expertise includes faceted searches (ApacheSolr, MongoDB), data migration (GraphQL, XML, JSON, CSV, REST APIs), advanced cache policies (Varnish, Redis, persisted queries, cache tags), and performance optimization with xhprof. He also has experience with Python, Mongo, T…

Proficient in a wide range of technologies including Python, C, Assembly, and various operating systems (Linux, Unix, *BSD, Windows). Specializes in penetration testing, reverse engineering, bare-metal development, emulation, embedded systems, and electronics. Actively co-developing an open-source Apple Silicon emulator (Inferno) as a spare time project. Capable of handling complex technical challenges in low-level …

Senior Full Stack AI Engineer with 10+ years of experience building scalable, production-grade systems across AI, backend, and data platforms. Specialized in LLM applications, RAG pipelines, and distributed architectures processing tens of millions of records. Proven track record of reducing manual effort by 50%+, improving system accuracy and efficiency, and delivering high-availability, low latency services at sca…

Ahmad Hamza is a Senior Ruby on Rails developer with 10+ years of experience. He has extensive experience working with Toptal clients like Fullscript, where he built an unauthenticated storefront and an enterprise catalog-restrictions policy engine, and Desertcart, where he refactored a legacy Google Merchant Center disapproval system, significantly cutting CPU usage and runtime. He also contributed to the Toptal Co…

macOS and iOS developer focused on building well-behaved native apps for Apple platforms. Actively builds and maintains personal projects, staying up-to-date with Swift, Apple frameworks, and industry trends. Recently released Oliphaunt, a native macOS Mastodon client, and HacKit, a macOS Hacker News reader, both focusing on performance, simplicity, and macOS design conventions. Open to freelance or full-time roles,…

Pablo Gonzalez is an expert in infrastructure, specializing in fixing complex system breakdowns and building secure, self-contained infrastructure where data privacy is paramount. He has 24 years of production Linux experience and focuses on on-premise AI inference solutions for sensitive industries like healthcare, legal, finance, and government, ensuring data never leaves the building. His current project involves…