Senior Software Engineer with 10+ years of experience building backend systems and distributed architectures for companies across Brazil, the US, and Canada — ranging from fast-growing startups to large-scale platforms. Co-founded a VC-backed fintech (Planejei, ~R$500K raised, BBVA Open Talent 2016 finalist) and have shipped production systems at STORD, PENN Entertainment, Ambush, brainn.co, and CampGladiator.
Highlights:
- Currently working on STORD's Transportation Management Systems team via X-Team, contributing to the logistics platform that orchestrates freight, parcel, and fulfillment operations across STORD's 20,000+ carrier network and multi-region warehouse footprint.
- Previously at PENN Entertainment (theScore / ESPN Bet / Hollywood Casino), architecting a Phoenix LiveView design system used by 8+ engineering teams and CMS tooling for per-jurisdiction regulatory compliance across multiple US markets.
- Rearchitected CampGladiator's payment system in Elixir, enabling consistent processing of 70,000+ subscriptions during peak promotional weeks for 300,000+ active users.
- Migrated infrastructure from EC2 to Kubernetes (kops + Amazon MSK), cutting operational costs by 50%+ and enabling zero-downtime blue/green deployments.
- Delivered a debt recovery platform for one of Brazil's largest B2B banks that drove tens of millions of BRL in recovered debt.
- Designed an IoT event ingestion pipeline (Google Cloud IoT Core) for a multi-device physical security platform, and guided firmware work in Rust.
Core stack: Elixir, Phoenix LiveView, PostgreSQL, Apache Kafka, RabbitMQ, gRPC, Kubernetes, GCP/AWS. Strong secondary experience with React, Elm, PHP, Swift, and Rust.
Experience across: microservices orchestration, event-driven architectures, payments, logistics/TMS, fintech, reporting/analytics, platform scalability, developer experience, and mentoring. Seasoned in distributed teams across timezones and fully remote setups.
Open to: freelance backend and platform engineering work — especially Elixir/LiveView More...
John Mboga
Senior Software Engineer
Verified
John Mboga is a distinguished Senior Software Engineer with over 12 years of progressive experience architecting scalable fintech, AI-driven, and logistics platforms across remote global teams. At GPTZero, he directs the SAAS Web Impact team, optimizing a platform for 5 million users through AI/ML integrations that boosted document throughput to 1 million daily (from 100K), while slashing release times by 90% via automated CI/CD pipelines and achieving 98% test coverage for unmatched stability. He led Stord's microservices-based logistics overhaul, leveraging Elasticsearch and Kafka to enhance search accuracy by 70% and elevate SLAs by the same margin, driving operational efficiency and partner satisfaction. As Tech Lead at Jumo and Turnkey Africa, John orchestrated fintech integrations with MPESA, Airtel Money, and Oracle systems, reducing data prep time by 40% with ML pipelines and accelerating project timelines, all while mentoring cross-functional teams in Domain-Driven Design to empower financial inclusion for millions. His BioID system, a Kubernetes-orchestrated security platform with SSO and photo verification, further exemplifies his innovation, cutting fraud by 40% and advancing compliant digital identity for banking ecosystems.More...
Jacqueline Hartley
Family Manager- Prior Sales Executive- Supply Chain Tech
Verified
Energetic sales executive who enjoys relationship building and connecting people to products and solutions that can make life easier and more enjoyable- currently serving as a Family Manager.
Having a strong background in sales and account management, my expertise lies in sales strategy, sourcing and developing relationships, and problem-solving. This unique combination of skills allows me to effectively manage family affairs while also providing strategic insights into business operations and technology solutions.More...