CUJU is looking for a Senior GO Engineer (m/w/d) to design, build, and optimize the scalable backend systems powering our sport-tech products. You will shape our infrastructure to enable seamless integration, high performance, and reliability, working in a dynamic environment where your contributions have a direct global impact.

What You'll Do

Design, implement, and maintain robust microservices in Go, ensuring scalability and high availability.
Build, optimize, and document REST APIs that support mobile and web applications.
Architect and implement event-driven systems using messaging services like Kafka, RabbitMQ, or AWS SQS.
Utilize AWS services for deployment, scaling, and management, including ECS, Lambda, DynamoDB, and RDS.
Continuously improve system reliability, security, and performance through testing, profiling, and monitoring.

What We're Looking For

5+ years of professional backend engineering experience with a strong emphasis on Go development.
Proven expertise in designing and implementing microservices architectures.
Deep understanding of RESTful APIs, event-driven architectures, and messaging services.
Extensive hands-on experience with AWS infrastructure, particularly ECS, Lambda, DynamoDB, and RDS.
Familiarity with containerization and orchestration (Docker, Kubernetes).
Strong knowledge of software development best practices, CI/CD processes, and agile methodologies.
Excellent communication skills in English, capable of collaborating effectively in international teams.

Technical Stack

Go, REST APIs, Microservices, Event-Driven Architecture
Kafka, RabbitMQ, AWS SQS
AWS, ECS, Lambda, DynamoDB, RDS
Docker, Kubernetes

Team & Environment

You will be part of a company of 11-50 employees, collaborating closely with passionate colleagues across engineering, product, and AI teams. Our culture empowers athletes and revolutionizes sports analytics through innovative technology.

Benefits & Compensation

Opportunity to shape key backend components in a fast-growing sport-tech environment.
Competitive salary and remote working flexibility within Germany.
A vibrant international team culture where your contributions directly impact global sports analytics.