Andelo – Python, Kubernetes, Terraform

An onchain credit engine providing uncollateralised, policy-based credit for asset issuers, card programmes, and solvers. The platform has facilitated over $500M in credit with zero shortfalls.

• Architected and operated production blockchain infrastructure for solver workloads, including self-hosted RPC nodes on bare-metal servers, blockchain indexers, observability, and deployment automation;
• Reduced third-party RPC and indexing costs by up to 90% by leveraging self-hosted infrastructure and open-source indexing solutions;
• Implemented OpenTelemetry, Prometheus, Grafana, and Loki for node health, indexing performance, logs, metrics, tracing, and incident visibility;
• Managed blockchain wallet keys and runtime secrets with HashiCorp Vault, improving key handling, access control, and operational security;
• Architected and implemented a multiplayer AI collaboration solution integrated with Slack, GitHub, and other tools, enabling teams to coordinate work through shared context and move faster across the organization;
• Built CI/CD pipelines with GitHub Actions and self-hosted runners; contributed to open-source projects including Centaur, Envio HyperIndex, and OpenTelemetry.

A global cryptocurrency exchange offering accessible trading for retail users and advanced capabilities for professional and institutional clients. The platform supports high-volume digital asset trading, institutional lending, staking, and multi-asset perpetual futures across a globally regulated infrastructure.

• Led migration from Amazon EC2 to Amazon ECS, containerizing workloads, separating AWS accounts, improving IAM boundaries, and modernizing logging and monitoring;
• Designed and implemented an Internal Developer Platform using AWS, Terraform, CDKTF, Python, and Jenkins, reducing development time by 40%;
• Built reusable infrastructure and deployment patterns, migrated microservices without downtime, and improved deployment speed by 2x;
• Implemented secure microservice authentication and authorization using AWS, Go, and CDKTF, reducing security incidents by 25%;
• Automated Kafka ACL deployment, reducing manual intervention by 90% and configuration errors by 95%.

A quality and release intelligence platform that helps development teams assess whether software is safe to ship. It combines bug reporting, crash reporting, and release health monitoring for mobile and web applications.

• Oversaw all decisions regarding the development of the product;
• Owned the technology and product roadmap, introducing new technologies, processes, and tools;
• Led the transformation of the product from only a bug reporting tool to multiple independent products, such as crash reporting and live chat;
• Designed and implemented cloud architecture for live chat with thousands of connected clients;
• Led the process of rewriting the old Angular-based dashboard to a React dashboard;
• Handled developer recruitment and evaluation.

A quality and release intelligence platform that helps development teams assess whether software is safe to ship. It combines bug reporting, crash reporting, and release health monitoring for mobile and web applications.

• Developed the web-facing stack of a SaaS bug reporting tool for mobile apps;
• Developed the web dashboard for the product;
• Implemented OAuth2 authentication with Google sign-in integration;
• Integrated APIs with third-party services;
• Implemented complex full-text search;
• Implemented complex billing using Stripe;
• Took care of deployments, monitoring, CI/CD pipelines, and the whole cloud infrastructure.

A software development agency delivering custom digital solutions for clients across different industries. The agency supports product development from initial concept through implementation and ongoing improvement, helping businesses address technical and operational needs.

• Built a back-office dashboard using Laravel, MySQL, and Vue.js;
• Developed a dashboard for data collected from customers inside retail stores;
• Used Google Maps to mark different sections on store floor plans and implemented heatmaps of customer movement inside the store;
• Developed a customer loyalty program for retail stores with multiple parameters;
• Developed a system for notifying customers about available product discounts while moving inside the store;
• Built a data processing system that handled thousands of requests per second using Django, Redis, and MySQL;
• Used Cisco CMX as a data stream;
• Implemented processing of data from Cisco CMX and saved processed data in the database;
• Built a back-office for an agency photographing events and selling those photos;
• Developed a complex authentication and authorization system with multiple permissions and roles;
• Developed a blog system on top of Laravel;
• Developed multiple categories of data entry in the back-office while attaching images to each of them;
• Developed a shopping cart with PayPal Express Checkout.