Senior Backend Developer

Responsibilities

• Design, develop, and maintain robust backend systems and APIs using Java, Node.js, and Python
• Design, implement, and optimize database solutions using PostgreSQL, AWS S3 and DynamoDB
• Develop and maintain scalable microservices architecture
• Design and implement scalable and maintainable software architectures in AWS
• Write clean, maintainable, and well-tested code, following best practices and industry standards
• Work closely with cross-functional teams, including Product and Design to deliver high-quality software
• Provide technical guidance and mentorship to junior developers
• Identify and resolve security, performance and scalability issues
• Maintain comprehensive documentation of the code and system architecture

Requirements

• Bachelors or Masters degree in Computer Science, Engineering, or a related field
• Minimum of 5-7 years of professional experience in backend development
• Proven experience with Java, Node.js, Python, and SQL
• Strong understanding of RESTful API design and development of microservices
• Experience with database design, management, and optimization
• Proficiency with cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes)
• Familiarity with relevant frameworks and libraries (e.g., Express for Node.js, Flask for Python)
• Experience with performance tuning, load balancing, and caching mechanisms

Nice to have

• Experience with infrastructure-as-code (Terraform, HCL)
• Knowledge of messaging systems and event-driven architectures (e.g., Kafka, RabbitMQ)

What the company offers

• Individual budget for trainings and conferences
• Team buildings, parties and other social events
• Medical Care insurance
• Multisport cards
• Friendly working environment and modern office
• 25 days paid leave
• Flexible start and end of working day and possibility for remote working