Software Engineer with 5+ years of experience building and maintaining web and mobile apps using React, Next.js, Angular, React Native, and TypeScript. Skilled in Node.js, .NET, microservices, Docker, and CI/CD, with a focus on scalable SaaS solutions and clean, maintainable architecture

Chinzorig Purevjamts

Software Engineer with 5+ years of experience building and maintaining web and mobile apps using React, Next.js, Angular, React Native, and TypeScript. Skilled in Node.js, .NET, microservices, Docker, and CI/CD, with a focus on scalable SaaS solutions and clean, maintainable architecture

Available to hire

Software Engineer with 5+ years of experience building and maintaining web and mobile apps using React, Next.js, Angular, React Native, and TypeScript. Skilled in Node.js, .NET, microservices, Docker, and CI/CD, with a focus on scalable SaaS solutions and clean, maintainable architecture

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Mongolian
Fluent
English
Fluent

Work Experience

Senior Software Engineer at Everest Solution LLC
January 1, 2022 - Present
Led the migration of the core mobile app from .NET MAUI to React Native, reducing crash rates by 40% and accelerating feature development by 30%; restructured the codebase with Git submodules to eliminate duplication and improve maintainability; automated deployments with Docker and GitLab CI/CD; implemented a monitoring stack (Prometheus, Grafana) that reduced downtime by 35%.
Software Engineer at Everest Solution LLC
June 30, 2022 - October 2, 2025
Configured MSSQL database replication and mirroring, reducing database load by 20% and enhancing reliability; delivered and deployed the Invoice Core Web System using Angular for Mongolia's largest bank, with comprehensive documentation and training enabling a smooth handover (100% success). Built fintech mobile apps with .NET and collaborated with designers to deliver a polished UI/UX, contributing to a 10% rise in client acquisition; enhanced backend reliability with optimized Node.js services, secure REST APIs, and containerization/cloud DevOps practices, scaling to 5K+ daily users.
Software Engineer at Unitel LLC
December 31, 2021 - October 2, 2025
Led the Ger Duren project (LTE+ satellite TV bundle) and integrated CRM interfaces via Angular and Node.js/Express for partner systems; attracted 50K+ new subscriptions in the first year and boosted rural customer engagement by 40%; modernized CRM systems by upgrading PHP back-ends and Angular front-ends, incorporating frontline feedback to reduce usability issues by 30% and speed up support; optimized Oracle SQL procedures and triggers, improving transaction processing speed by 25% and handling millions of daily operations.
Software Engineer at Retoch LLC
December 31, 2020 - October 2, 2025
Billing Team involvement; built an Ionic e-commerce app (1K+ early downloads) and an Angular Order System (20% faster processing); partnered with designers on UI/branding and launch assets to support education and growth.
Senior Software Engineer at Everest Solution LLC
January 1, 2022 - Present
Led the migration of the core mobile app from .NET MAUI to React Native, reducing crash rates by 40% and accelerating feature development by 30%. Reorganized the codebase with Git submodules, eliminating duplication across projects and boosting maintainability, cutting bug resolution time by 25%. Designed and delivered 20+ web and mobile applications (React, React Native, Next.js) in collaboration with designers, contributing to a 15% increase in B2B sales. Implemented scalable microservices and API gateways with Node.js and Express, ensuring high availability and seamless integration with enterprise systems. Automated deployments with Docker and GitLab CI/CD pipelines, reducing release cycle times by 50%. Implemented monitoring and alerting stack (Prometheus, Grafana) that reduced server downtime by 35% and improved detection of performance bottlenecks.
Software Engineer at Everest Solution LLC
January 1, 2022 - October 2, 2025
Configured MSSQL database replication and mirroring, reducing database load by 20% and enhancing system reliability. Delivered and deployed Invoice Core Web System using Angular for the largest bank in Mongolia; produced comprehensive documentation and training, ensuring a 100% successful handover. Engineered fintech mobile applications with .NET and collaborated closely with designers to deliver a polished UI/UX, directly improving client acquisition by 10%. Enhanced backend reliability with optimized Node.js services and secure REST APIs, and DevOps practices (containerization & cloud), scaling smoothly to 5K+ daily users.
Software Engineer at Unitel LLC
January 1, 2021 - October 2, 2025
Led the development of Ger Duuren project, a bundled LTE internet + satellite TV service for customers with fiber connections; developed CRM interfaces with Angular and integrated APIs via Node.js/Express for partner systems. The launch attracted 50K+ new subscriptions in the first year, boosted customer engagement in rural areas by 40%, and generated a double-digit revenue increase for the company. Enhanced and maintained CRM systems by improving PHP backends and modernizing Angular interfaces; incorporating frontline employee feedback, reducing usability issues by 30% and enabling faster customer service response times. Optimized and refactored Oracle SQL procedures and triggers, improving transaction processing speed by 25% and ensuring seamless handling of millions of daily operations.
Software Engineer at Retoch LLC
January 1, 2020 - October 2, 2025
Built an iconic e-commerce app with 1K+ early downloads and an Angular Order System delivering 20% faster processing. Partnered with designers on UI, branding, and launch assets; contributed to government portal projects (gov.mn) and mentored peers in Sys & CoTech Club, receiving positive feedback from participants.
Senior Software Engineer at Everest Solution LLC
January 1, 2022 - Present
Led the migration of the core mobile app from .NET MAUI to React Native, reducing crash rate by 40% and accelerating feature development by 30%. Reconstructed the codebase with Git submodules, eliminating duplication across projects and boosting maintainability, cutting bug resolution time by 25%. Designed and delivered 20+ web and mobile applications in collaboration with designers, contributing to a 15% increase in B2B sales. Developed scalable microservices and API gateways with Node.js and Express, ensuring high availability and seamless integration with enterprise systems. Automated deployments with Docker and GitLab CI/CD pipelines, reducing release cycle times by 50%. Implemented a monitoring and alerting stack (Prometheus, Grafana) that reduced server downtime by 35% and improved detection of performance bottlenecks.
Software Engineer at Everest Solution LLC
December 31, 2022 - October 13, 2025
Configured MSSQL database replication and mirroring, reducing database load by 20% and enhancing system reliability. Delivered and deployed the Invoice Core Web System using Angular for the largest bank in Mongolia; produced comprehensive documentation and training, ensuring a 100% successful handover. Engineered fintech mobile applications with .NET and collaborated closely with designers to deliver a polished UI/UX, directly improving client acquisition by 10%. Enhanced backend reliability with optimized Node.js services, secure REST APIs, and DevOps practices (containerization & cloud), scaling smoothly to 5K+ daily users.
Software Engineer at Unitel LLC
December 31, 2021 - October 13, 2025
Led the development of Ger Duure n project, a bundled LTE Internet + satellite TV service for customers without fiber connections; developed CRM interfaces with Angular and integrated APIs via Node.js/Express for partner systems. The launch attracted 50K+ new subscriptions in the first year, boosted customer engagement in rural areas by 40%, and generated a double-digit revenue increase for the company.
Software Engineer at Retoch LLC
December 31, 2020 - October 13, 2025
Built an Ionic eCommerce app (1K+ early downloads) and an Angular Order System (20% faster processing). Partnered with designers on UI/branding and launch assets.
Senior Software Engineer at Everest Solution LLC
January 1, 2022 - Present
Led the migration of the core mobile app from .NET MAUI to React Native, reducing crash rates by 40% and accelerating feature development by 30%. Reorganized the codebase with Git submodules, eliminating duplication across projects and boosting maintainability, cutting bug resolution time by 25%. Designed and delivered 20+ web and mobile apps (React, React Native, Next.js) in collaboration with designers, contributing to a 15% increase in B2B sales. Developed scalable microservices and API gateways with Node.js and Express, ensuring high availability and seamless integration with enterprise systems. Automated deployments with Docker and GitLab CI/CD pipelines, reducing release cycle times by 50%. Implemented a monitoring and alerting stack (Prometheus, Grafana) that reduced server downtime by 35% and improved detection of performance bottlenecks.
Software Engineer at Everest Solution LLC
January 1, 2022 - October 13, 2025
Configured MSSQL database replication and mirroring, reducing database load by 20% and enhancing system reliability. Delivered and deployed the Invoice Core Web System using Angular for the largest bank in Mongolia; produced comprehensive documentation and training, ensuring 100% successful handover. Engineered fintech mobile applications with .NET and collaborated closely with designers to deliver a polished UI/UX, directly improving client acquisition by 10%. Enhanced backend reliability with optimized Node.js services, secure REST APIs, and DevOps practices (containerization & cloud), scaling smoothly to 5K+ daily users.
Software Engineer at Unitel LLC
January 1, 2021 - October 13, 2025
Led development of Ger Duuren project, a bundled LTE Internet + satellite TV service for customers; developed CRM interfaces with Angular and integrated APIs via Node.js/Express for partner systems. The launch attracted 50K+ new subscriptions in the first year, boosting customer engagement in rural areas by 40% and generating a double-digit revenue increase for the company. Enhanced CRM systems by improving PHP backends and modernizing Angular interfaces; incorporating frontline employee feedback, reducing usability issues by 30% and enabling faster customer service response times. Optimized and refactored Oracle SQL procedures and triggers, improving transaction processing speed by 25% and ensuring seamless handling of millions of daily operations.
Software Engineer at Retoch LLC
January 1, 2020 - October 13, 2025
Built an e-commerce application with 1K+ early downloads and an Angular Order System (20% faster processing). Partnered with designers on UI/branding and launch assets.

Education

B.S. Computer Science at University of Science and Technology, Mongolia
January 1, 2016 - January 1, 2020
Bachelor of Science in Computer Science at University of Science and Technology, Mongolia
January 1, 2016 - January 1, 2020
B.S. in Computer Science at University of Science and Technology, Mongolia
January 1, 2016 - January 1, 2020
Bachelor of Science in Computer Science at Mongolian University of Science and Technology
January 1, 2016 - January 1, 2020

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Telecommunications, Financial Services, Media & Entertainment, Computers & Electronics, Government, Education