Pre-screened and vetted.
Mid-Level Full-Stack Software Engineer specializing in test automation platforms
Senior QA Engineer specializing in mobile, API, and test automation
Mid-level QA Engineer specializing in Apple ecosystem testing and automation
Director-level Product Leader specializing in AI platforms for commerce and advertising
Senior Full-Stack Engineer specializing in telehealth and commerce platforms
Mid-Level Full-Stack Software Developer specializing in AWS cloud and automation
Mid-level AI/ML Engineer specializing in LLMs, ranking systems, and MLOps
Director-level Engineering Leader specializing in SaaS platforms, cloud architecture, and SRE
Junior Software Development Engineer specializing in AWS automation and data pipelines
Engineering Manager and ML/Data Architect specializing in scalable data platforms and personalization
“Hands-on engineering manager at a marketing company leading a highly senior, distributed team (10 direct reports) while personally coding ~60–70% and owning end-to-end architecture across three interconnected products. Built agentic CRM automation and a reinforcement-learning-driven distribution layer for channel spend/bidding, with a strong focus on scalable design and observability (Prometheus/APM/logging) enabling frequent releases and few production incidents.”
Executive engineering leader specializing in cloud platforms, DevOps, and enterprise modernization
“Senior engineering leader with experience across cybersecurity, retail commerce, consulting, and media platforms, combining large-scale org leadership with hands-on architecture depth. Notable for driving measurable cloud modernization outcomes—multi-million-dollar cost savings, major latency and MTTR reductions, and compliance-heavy transformations—while also leading AI/NLP and consumer product simplification initiatives.”
Executive Enterprise Architecture & AI Strategy Leader specializing in modernization and agentic AI platforms
“Technically and operationally oriented builder with startup ideas of their own, including an AI services firm in the ideation stage. Stands out for a practical understanding of venture studios and accelerators, with fluency in founder-market fit, MVP validation, hiring, and investor readiness, and a measured approach to going all-in only on high-signal opportunities.”
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 engineering leader specializing in enterprise software and hardware-software systems
“Senior engineering leader with experience at ActiveProspect, Broadlume, and Zume, leading multidisciplinary orgs across growth and M&A while standardizing delivery, architecture, and quality practices. Stands out for combining executive-level roadmap, budget, and compliance ownership with hands-on prototyping and architectural intervention on mission-critical platforms, including AI-enabled testing and quality systems.”
Engineering Manager specializing in MLOps/DevOps and CI/CD for deep learning platforms
“Player-coach engineering leader focused on AWS ML infrastructure and deep learning image delivery: provisioned EKS/Kubernetes for multi-node training and automated image release pipelines (Python + AWS CDK) to cut release time from 2 weeks to 1. Also built customer migration tooling for SageMaker HyperPod and owned a security incident end-to-end, implementing prevention tests and process improvements.”
Senior Software Engineer specializing in backend systems and AI platforms
“Engineer with experience at Reddit working on high-scale backend and infrastructure problems, including API redesign for products serving 150M+ daily active users. They also built a production AI agent for automated bug triage with 97% accuracy and substantial time savings, and have hands-on full-stack/AI side-project experience using React, TypeScript, Supabase, and LLMs.”
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 Product Manager specializing in enterprise security and SaaS platforms
“Product leader with 6+ years across Amazon and Lob, spanning email security, productivity tools, UX redesign, and platform reliability. Most notably, they took a zero-to-one outbound security product from inception to scale at Amazon, now protecting over 1M users, and later drove performance improvements and enterprise API enablement at Lob. They also show entrepreneurial and AI-oriented initiative through an internal knowledge concierge concept and an early-stage community app for people navigating illness alone.”
Senior Software Engineer specializing in AI platforms for healthcare and industrial time-series ML