Pre-screened and vetted.
Mid-level Software Engineer specializing in distributed backend systems on AWS
“Built production systems in the AWS ecosystem, including an internal AI assistant for diagnosing account transfer and permissions issues and an end-to-end account transfer workflow used by enterprise customers. Stands out for combining LLM/RAG design with strong distributed systems reliability practices, emphasizing guardrails, fallbacks, and operational trust in high-stakes workflows.”
Intern Software Engineer specializing in full-stack, cloud, and AI systems
Director-level AI engineering leader specializing in media platforms and newsroom workflows
“Product-minded frontend/UX leader with notable experience at CNBC, where they owned premium subscription and engagement flows from problem definition through production and post-launch iteration. They stand out for combining high-polish React implementation, Figma-driven systems thinking, and AI-assisted prototyping to quickly ship and refine conversion-focused experiences.”
Director-level engineering leader specializing in high-scale cloud platforms
“Engineering leader and player-coach with a long tenure leading 5 teams/17 engineers, combining organizational leadership with hands-on SQL, architecture, and production incident work. Particularly notable for shipping AI-powered lead engagement systems like an intelligent voice agent, while also driving operational improvements such as release cadence standardization, team restructures, database migrations, and major rules-engine performance gains.”
Senior Software Engineer specializing in developer tools, cloud automation, and generative AI
“Built and deployed a production chatbot on osvaldocalles.com and iterated through real-world LLM engineering issues: model quota/cost tradeoffs (migrating to Nova Pro), RAG accuracy via semantic chunking, AWS IAM/guardrail/security pitfalls, and Lambda/API Gateway streaming constraints (prefers JS for streaming layer). Experienced with agent orchestration using Strands SDK (AWS-focused) and LangGraph (Vercel/container deployments), plus evaluation pipelines using LLM-as-evaluator, dashboards, and staged model rollouts.”
Executive Data Platform Engineer specializing in kdb+/q and time-series systems
“Veteran kdb+/q engineer with 17 years of experience applying time-series architecture across finance, autonomous driving, semiconductors, and scientific data systems. He describes building high-scale CEP and sensor-data parsing systems, achieving a 10x ingestion speedup through storage redesign, and even contributing the original remote_execute concept to PyKX.”
Mid-level Product Manager specializing in FinTech and marketplace growth
“Product manager with 5+ years spanning JPMorgan Chase and Airbnb, combining fintech, marketplace, and platform experience. Stands out for driving measurable growth— including 50,000 new active users via onboarding experimentation— and for leading ambiguous 0-to-1 internal automation work in a regulated compliance environment.”
Mid-level Software Engineer specializing in event-driven FinTech backend systems
“Senior/Staff-level backend/platform engineer who owned Stripe’s global payout settlement system end-to-end, building an event-driven Python/Kafka platform processing millions of events daily across 30+ countries. Deep experience operating high-reliability distributed systems in production (incidents, replays/backfills, schema evolution, observability) and scaling on AWS/EKS with strong testing and deployment practices.”
Senior Software Engineer specializing in AI/ML platforms and healthcare systems
“Unity/C# gameplay engineer with strong systems architecture depth who has reworked core gameplay ability frameworks, shipped across mobile and standalone VR, and solved multiplayer synchronization issues with server-authoritative netcode. Also brings an unusual crossover into AI tooling, having owned an AI-powered debugging assistant at Arm and integrated LLM workflows into CI/development pipelines.”
Executive engineering leader specializing in AI-driven SaaS and IoT platforms
“Engineering leader who built and delivered an IoT smart-spaces platform for the self-storage and smart-living domains, translating customer requirements into architecture, capability maps, and a multi-milestone roadmap. Personally stood up missing AI/ML capabilities (including churn prediction) using Databricks (Delta Lake/MLflow), enabling follow-on features like energy optimization and security/anomaly detection. Scaled an org from 20 to 80+ with disciplined Agile planning (Jira Advanced Roadmaps/Confluence) and strong executive/customer-facing leadership during high-stakes customer commitments.”
Director-level Engineering Leader specializing in SaaS, Cloud Migration, and Cybersecurity
“Senior engineering leader with experience at Cisco, Amazon, and startup Shopkick, operating at high scale (e.g., Secure Web Gateway handling ~40M QPS). Known for measurable impact across reliability and cost (85% efficacy improvement; Datadog spend cut from ~$500k/month to ~$15k/month) and for leading complex platform modernization (1-year monolith-to-microservices/event-driven migration with zero customer impact) plus compatibility-focused API design that cut device onboarding from a month to a day.”
Senior Full-Stack Software Engineer specializing in modern web and AI applications
“Front-end engineer who significantly owned the Microsoft Teams personal copilot web experience for enterprise customers, including real-time streaming chat powered by WebSockets and bot infrastructure. Stands out for combining browser UI architecture, accessibility/localization work across 30 languages, and strong production telemetry/incident ownership for reliability at scale.”
Intern Software Engineer specializing in backend APIs and iOS development
Senior Full-Stack Software Engineer specializing in SaaS, cloud-native systems, and AI/ML
Principal Software Architect specializing in high-availability payments systems
Senior Software Engineer specializing in scalable cloud microservices and AI integration
Mid-Level Backend/Full-Stack Software Developer specializing in Java, AWS, and cloud-native APIs
Mid-Level Software Development Engineer specializing in cloud infrastructure and automation
Senior Full-Stack Engineer specializing in FinTech and AI platforms
Senior Software Engineer specializing in cloud observability and distributed systems
Mid-level Full-Stack Java Developer specializing in cloud and healthcare systems