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About the Role
We are seeking an experienced Senior Fullstack/Backend Engineer with deep expertise in backend development (Java, serverless architectures) and solid frontend skills. You will play a key role in designing and optimizing shared services that power our award-winning educational platform, ensuring scalability, performance, and reliability.
Key Responsibilities
- Design, develop, and optimize scalable backend services using Java and AWS serverless technologies (Lambda, DynamoDB, API Gateway, SNS/SQS/EventBridge).
- Design and implement RESTful APIs and event-driven systems.
- Contribute to frontend development (React, Web Components) when required.
- Enhance existing services for performance and cost-efficiency.
- Collaborate with Architects, Product Managers, and engineering leads across global teams.
- Mentor junior developers, sharing best practices and fostering growth.
- Build and maintain CI/CD pipelines, automated testing, and peer review processes.
- Deliver high-quality, well-documented, and reusable shared components.
Skills & Experience
- 8+ years of backend development experience, with strong proficiency in Java.
- Proven track record with serverless frameworks (AWS Lambda, Google Cloud Functions).
- Hands-on experience in frontend development (React, Web Components).
- Strong knowledge of distributed systems, scalability, and data modeling.
- Practical experience with AWS serverless stack (Lambda, DynamoDB, API Gateway, SNS/SQS/EventBridge).
- Solid foundation in design patterns, debugging, and test-driven development.
- Experience with CI/CD, build automation, and deployment pipelines.
- Strong communication skills, able to collaborate with both technical and non-technical stakeholders.
- Fluent in English, with the ability to work in international, distributed teams.
- Passion for mentoring and supporting junior engineers.
Nice to Have
- Knowledge or experience in AI/ML.
Work Schedule & Location
- Location: Fully remote within Poland (candidates must be legally authorized to work in Poland).
- Schedule: Monday–Friday, 40 hours per week. Core working hours: 8:00–16:00 CET or 9:00–17:00 CET.
Key Skills
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