Available to hire
I’m Marcus Chen, a senior software engineer and AI specialist with 9+ years of experience designing, developing, and deploying scalable backend systems. I build data-driven, cloud-native architectures and integrate AI models to automate workflows and power intelligent applications.
My work spans AI-driven recommendations, real-time services, fraud detection, and scalable infrastructure in fintech and gaming domains. I enjoy turning research into production, collaborating with cross-functional teams, and delivering reliable, maintainable software.
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Language
Aragonese
Advanced
English
Fluent
Work Experience
Casino Game Developer at Luckydreams Casino Platform
December 31, 2025 - September 29, 2025Built a full-stack casino platform with live games, slots, and wallet integrations; implemented secure payment systems, multi-currency support, and provably fair smart contracts. Developed a 3-reel slot game with animations and validation; integrated RNG logic in Python and deployed on a Node.js backend with Phaser.js for frontend visuals. Contributed to LiveScoreBet by building real-time APIs and integrating multiple payment gateways.
Sr Software Engineer at Parallel Finance
July 31, 2023 - September 29, 2025Led design and implementation of scalable backend systems handling millions of API requests per day with 99% uptime. Collaborated with cross-functional teams to deliver user-centric features that improved customer satisfaction scores by 25%. Optimized database architecture and queries, reducing latency by 40% and resolving key scaling issues. Built real-time data pipelines on AWS (SQS, Lambda, Kinesis) to support analytics and monitoring across distributed services. Established robust CI/CD pipelines with GitLab, Kubernetes, and AWS, reducing release cycles from weekly to daily. Mentored junior engineers, conducted code reviews, and championed best practices in clean architecture, testing, and DevOps. Drove migration from monolithic architecture to microservices, cutting deployment risks and enabling faster feature delivery.
Software Developer at Algonquin AI
March 31, 2022 - September 29, 2025Developed and maintained web applications using JavaScript, React, and Node.js, improving site performance and user experience. Designed and implemented RESTful APIs that supported seamless integration with third-party services. Optimized SQL queries and database schemas, resulting in 30% faster data retrieval. Contributed to building automated test suites and improved code coverage, reducing production bugs by 20%. Worked closely with designers and product managers to translate business requirements into technical solutions. Collaborated in Agile/Scrum teams, participating in sprint planning, daily stand-ups, and code reviews. Assisted in setting up CI/CD pipelines to streamline deployment and ensure reliable releases.
Fullstack Developer at CopperBirch IT
July 31, 2021 - September 29, 2025Implemented various digital wallets that support multiple payment methods; built end-to-end web applications using TypeScript, Next.js, Node.js, Nest.js, PostgreSQL, Redis, Prisma ORM. Worked on improving wallet features, UI/UX, and backend services; designed and optimized RESTful APIs; automated testing and deployment pipelines; migrated legacy codebases to a modern microservices architecture; collaborated with designers to ensure feasibility of designs.
Frontend Developer at Freelancer
March 31, 2018 - September 29, 2025Built and maintained responsive web applications using React, JavaScript (ES6+), HTML5, and CSS3; ensured cross-browser and mobile compatibility. Translated UI/UX wireframes into interactive experiences; improved page performance by 30% through code optimization, lazy loading, and image compression. Integrated RESTful APIs and GraphQL endpoints; implemented state management (Redux, Context API). Wrote unit and integration tests with Jest and React Testing Library; reduced production bugs by 20%. Participated in Agile ceremonies and conducted peer code reviews; collaborated with designers to ensure high-quality front-end architecture.
Education
Bachelor of Science in Computer Engineering at University of Waterloo
January 1, 2010 - January 1, 2014Master's degree at University of Waterloo
January 1, 2014 - January 1, 2016Qualifications
Industry Experience
Gaming, Software & Internet, Media & Entertainment, Professional Services, Financial Services
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