Senior Full Stack Developer

MGID offers a range of integrated solutions covering the promotion process every step of the way; we offer services ranging from planning out the marketing strategy to its thoughtful implementation and optimization. Our clients include major international brands like Renault, Domino’s, Airbnb, PizzaHut, Qatar Airlines, and many others, including media organizations and web agencies.

MGID is:

• A proprietary Highload service that delivers 185 billion advertisements to 850 million unique users in more than 70 languages;
• The winner of multiple AdTech awards for innovation and product quality;
• A workforce of 700+ employees operating from offices in the US, Europe, and Asia.

What You'll Do:

• Build and Evolve Functionality:Design, develop, and maintain robust business features that power real impact — all while keeping legacy systems running smoothly.
• Craft Clean, Scalable Code:Write standards-compliant, maintainable code that lives up to both industry and internal quality benchmarks.
• Drive Microservice Development:Build and extend scalable, high-load microservices that keep our ecosystem fast, efficient, and reliable.
• Champion Code Quality:Ensure rock-solid code through rigorous unit testing, thorough self-checking, and thoughtful peer reviews.
• Optimize for Peak Performance:Continuously measure, monitor, and enhance both frontend and backend performance to deliver lightning-fast user experiences.
• Elevate the Dev Process:Identify bottlenecks, introduce new tools or workflows, and help the team work smarter, not harder.
• Contribute to System Architecture:Engage in architectural discussions, analyze existing frameworks, and recommend structural improvements that scale with the business.
• Apply Modern Best Practices:Stay ahead of the curve with current tech trends and continuously raise the bar on quality, security, and efficiency.
• Collaborate in an Agile Environment:Estimate work accurately, commit confidently to sprints, and communicate effectively within a highly collaborative Agile team.
• Grow the Team Through Knowledge Sharing:Support a culture of continuous learning by reviewing code, offering constructive feedback, and mentoring peers.

Job requirements

Who you are:

• 4+ years experience in front-end development
• 1+ year experience with Angular
• Knowledge: PHP, JS (ES6+, TS, NodeJS), GOLang, HTML (HTML5), CSS (CSS3, SCSS), RxJS, Microservices
• Databases: MySQL, ClickHouse, or MongoDB
• Message brokers: Kafka
• PHP Frameworks: Symfony, Zend
• PHP ORM: Doctrine
• Testing: Unit, module, integration
• Experience with: Git, REST API, Unit testing, Module bundlers
• Experience with: Docker, CI/CD tools, Cloud-based services
• Experience with: Jira
• Understanding Agile and SAFe frameworks

Languages proficiency:

• Upper Intermediate English
• Fluent Ukrainian