Backend Developer

We are a leading provider of technology content and services for the Location Based Industry. Maintaining a diversified IP portfolio in four primary market segments: M2M Intelligence, Golf Location Solutions, Vehicle Telematics and Geo-Data Solutions.

Are you looking for an innovative and cutting-edge technology company that will motivate you and support your career?
Take charge of your career future at Pixels Matter and join us in our Lviv office.

POSITION OBJECTIVE:

• Backend Developer will be responsible for developing, maintaining, and optimizing scalable backend services using Node.js.
• Candidate must have 5+ years of experience in a similar position.

• Design and implement RESTful APIs and GraphQL endpoints for mobile and web applications.
• Work with MongoDB to store and retrieve structured data efficiently.
• Optimize backend performance for low-latency and high-concurrency applications
• Implement authentication and authorization mechanisms (OAuth, JWT, API Keys).
• Ensure data integrity and security through encryption and best security practices.
• Develop and maintain AWS-based infrastructure (Lambda, EC2, S3, RDS, etc).
• Create and manage CI/CD pipelines for automated testing and deployments.

• Proficiency in Node.js with experience in frameworks like Express.js or NestJS.
• Strong knowledge of MongoDB, including indexing, aggregation, and performance tuning.
• Experience with AWS services such as Lambda, S3, EC2, and API Gateway.
• Solid understanding of asynchronous programming, event-driven architecture, and WebSockets.
• Strong debugging and performance profiling skills in Node.js applications.
• Experience with Git for version control and collaborative development.

• Experience with TypeScript for scalable and maintainable backend code.
• Knowledge of Redis for caching and performance improvements.
• Familiarity with GraphQL for modern API development.
• Exposure to DevOps and Infrastructure as Code (Terraform, CloudFormation).
• Background in sports tech or IoT integrations (e.g., Bluetooth-connected golf products).

• Work closely with mobile and frontend developers to build seamless app experiences.
• Collaborate with firmware engineers to integrate backend services with IoT devices.
• Participate in code reviews, architectural discussions, and sprint planning.
• Contribute to logging, monitoring, and error-handling improvements for production stability.

• Paid vacation and sick time.
• Public holidays.
• Technical equipment.
• Happy hours on Fridays.
• Company sponsored events as well as a casual work environment.

SALARY COMMENSURATE WITH EXPERIENCE