Darkhan Kamaliev

Leading B2C/B2B product engineering at Indigico (Kazakhtelecom's digital arm), overseeing backend architecture, infrastructure, and cross-functional delivery. • Define and execute the technical strategy for high-load digital platforms serving millions of users across Central Asia • Manage and mentor a team of backend, DevOps, and QA engineers, fostering a culture of ownership and continuous improvement • Architect microservices-based systems using Go, Kafka, Kubernetes, PostgreSQL, and ClickHouse • Drive migration from legacy monolith to scalable event-driven architecture, improving system reliability and deployment velocity • Collaborate closely with Product, Design, and Business stakeholders to align engineering efforts with company OKRs • Establish engineering best practices: code reviews, CI/CD pipelines, incident management, and on-call processes

Led the backend engineering team at Kazakhtelecom's digital product division, driving the technical direction for high-traffic B2C/B2B platforms. • Managed a team of backend engineers, conducting 1:1s, code reviews, and performance evaluations • Designed and implemented microservices architecture using Go and PHP, serving high-throughput workloads • Built real-time data pipelines with Apache Kafka and integrated ClickHouse for analytics at scale • Orchestrated containerized services on Kubernetes, achieving 99.9% uptime SLA • Owned the full SDLC — from technical design and sprint planning to deployment and monitoring • Reduced average API response time by optimizing PostgreSQL queries and implementing caching strategies

Joined Kazakhtelecom as a Senior Backend Developer, taking ownership of critical backend services and contributing to the company's digital transformation. • Developed and maintained high-load Go and PHP microservices processing thousands of requests per second • Implemented event-driven architecture patterns using Kafka for asynchronous communication between services • Designed database schemas and optimized complex PostgreSQL queries for improved performance • Participated in architecture decision-making and contributed to the technical roadmap • Mentored junior developers and established code quality standards through systematic code reviews

Served as Lead Software Engineer at KMG-Kumkol (a subsidiary of KazMunayGas, Kazakhstan's national oil & gas company), leading backend development for internal enterprise systems. • Led development of internal ERP and automation tools using PHP/Laravel and PostgreSQL • Designed RESTful APIs and integrated third-party services for business process automation • Managed deployment pipelines and server infrastructure for production environments • Collaborated with cross-functional teams to deliver solutions for oil & gas operations

Worked as a PHP Developer at Choco Holding, one of Kazakhstan's fastest-growing tech companies, contributing to backend development for high-traffic consumer-facing platforms. • Built and maintained backend services using PHP/Laravel, MySQL, and RabbitMQ • Developed RESTful APIs serving mobile and web applications • Implemented message queue-based async processing for order and notification systems • Participated in agile sprints with cross-functional product teams

Developed and maintained web applications and backend services at Bultech, a software development company based in Astana. • Built and maintained PHP/Laravel backend services for client projects across various industries • Developed and integrated RESTful APIs with third-party services and payment systems • Worked with MySQL and PostgreSQL databases, writing optimized queries and managing migrations • Implemented unit and feature tests to ensure code reliability • Collaborated with frontend developers and designers in an agile team environment

Worked as a Fullstack Developer at Crocos, building web applications end-to-end for diverse client projects. • Developed frontend interfaces using HTML, CSS, JavaScript and backend logic with PHP/Laravel • Built and consumed RESTful APIs for seamless frontend-backend integration • Managed relational databases (MySQL, PostgreSQL), designed schemas and wrote efficient queries • Deployed applications to production servers and handled basic DevOps tasks • Gained experience across the full software development lifecycle from requirements gathering to deployment

Started my professional career as a Fullstack Developer at Combo Company, gaining foundational experience in web development and software engineering. • Built and maintained web applications using PHP, JavaScript, HTML, and CSS • Developed server-side logic and RESTful APIs with PHP frameworks • Created responsive frontend interfaces and integrated them with backend services • Worked with MySQL databases for data storage and retrieval • Learned and applied best practices in version control (Git), debugging, and testing