Jose christopher Hallares

Senior Full-Stack & DevOps Engineer | iGaming Platform Development

Aug 2024 - Jul 2026

• Developed and maintained backend-heavy casino and sportsbook features covering player registration/login, account and session flows, wallet balances, deposits/withdrawals, promotions, transaction history, and operational tooling. • Worked with SOFTSWISS integration workflows across Casino Platform, Game Aggregator and sportsbook-related functionality, including game/provider launch flows, API integrations, callbacks/webhooks, bonus behavior, payment operations, and back-office configuration. • Built and supported Java/Spring Boot backend services and Angular/TypeScript interfaces, integrating REST APIs, WebSocket-based real-time functionality, and asynchronous processing for casino, sportsbook, wallet, payment, and player-account workflows. • Improved production reliability by strengthening Docker/Kubernetes deployments, CI/CD checks, structured logging, monitoring, rollback procedures, and troubleshooting for payment/provider integration issues. • Performed iGaming QA alongside development: sportsbook/bet-slip behavior, casino lobby and game launch, wallet/transaction consistency, card and crypto payment flows, bonuses/promotions, authentication/SSO/session state, localization, mobile regression, and release verification.

Senior Full-Stack & DevOps Engineer | SaaS & Platform Development

Apr 2022 - Jul 2024

• Delivered SaaS features across React/Next.js, Node.js/TypeScript, PostgreSQL, and Redis, covering account workflows, reporting, integrations, and internal operational tools. • Refined API and background-processing flows to make data synchronization, scheduled jobs, and third-party integrations more reliable and easier to troubleshoot. • Standardized Docker and CI/CD environments, reducing deployment inconsistency between development, staging, and production. • Added stronger validation, logging, automated tests, and release checks, helping catch integration and production issues earlier.

Senior Full-Stack & Cloud Engineer | Cloud Application Development

Jan 2020 - Jan 2022

• Modernized business applications using React/TypeScript, Node.js, Python, and C#/.NET, with services deployed across AWS and Azure environments. • Reworked older application modules into clearer service boundaries, making backend logic easier to maintain and extend. • Automated recurring deployment and environment tasks with Docker and CI/CD, creating a more consistent release process. • Introduced centralized logging and monitoring to simplify production support and incident investigation.

Senior Full-Stack Developer | Web Application & API Development

Jul 2017 - Dec 2019

• Delivered customer portals and internal web applications using JavaScript/TypeScript, React, Node.js/Python, SQL, and REST APIs. • Tuned database queries, pagination, caching, and API error handling to improve responsiveness in data-heavy application areas. • Added practical unit and integration testing around frequently changed features, making routine releases more predictable.

Full-Stack / Backend Developer | Backend & Integration Development

Jan 2016 - Jun 2017

• Worked mainly on backend APIs, authentication, notifications, administrative tools, and third-party integrations for web and mobile products. • Made external-service integrations more dependable through validation, retry handling, clearer error responses, and structured logs. • Simplified database and API flows to reduce unnecessary processing and make support issues easier to diagnose.

Full-Stack Developer | Web Application Development

Aug 2014 - Nov 2015

• Maintained server-rendered web applications, JavaScript interfaces, REST-style endpoints, and PostgreSQL/MySQL business workflows. • Refactored repeated backend and frontend logic into reusable modules, improving code consistency across client projects. • Added basic automated checks, cleaner query handling, and code-review practices to make maintenance and releases safer.