OBJECTIVE
- We are looking for a Senior Backend Developer to lead and scale personalization-focused backend platforms and services that help Amanotes enable personalized experiences for users across all Amanotes games.
- You will collaborate closely with product, data, and personalization teams to design and build robust, reusable services and APIs that power user-level personalization, experimentation, and recommendations at scale.
WHAT YOU WILL DO
- Technical Leadership: Architect and design complex backend systems, ensuring scalability, performance, reliability and security. Provide technical guidance and mentorship to the engineering team.
- Collaborate with technical architects to implement core backend components including authentication, authorization, background job system, and logging mechanisms and polyglot database synchronization.
- System Ownership: Take ownership of critical backend components, driving improvements in code quality, performance, and maintainability. Oversee the deployment process, implement monitoring tools, and ensure post-deployment performance meets defined metrics
- Performance Optimization: Analyze system performance bottlenecks and implement optimizations.
- DevOps: Collaborate with DevOps teams to automate infrastructure and deployment processes.
- Collaborate with product, data, and personalization teams to design and deliver backend services that power personalized, data-driven experiences for millions of users across Amanotes products.
QUALIFICATION
- Experience: 5+ years of experience in backend development.
- Proven track record of designing and building scalable, high-performance backend systems.
- Deep expertise in programming languages, e.g, Java, Node.js
- Advanced knowledge of databases (SQL, NoSQL) and data modeling.
- Strong proficiency in authentication and authorization mechanisms & tool set (e.g., OAuth, JWT, Keycloak, Auth0..)
- In-depth knowledge of logging frameworks and best practices
- Strong understanding of coding structure and architecture patterns (e.g., layered architecture, microservices, hexagonal architecture).Strong understanding of cloud platforms (AWS, GCP)Proficiency in API design and development (REST, GraphQL).
- Excellent communication and collaboration abilities.
- Proven ability to design or integrate personalized/backend solutions, such as recommendation engines, user segmentation services, or personalization APIs that tailor experiences to different user profiles.
NICE TO HAVE
- Experienced with micro-service/ monolithics architecture, or related tools as K8S,...Experienced with implementing observability & tracing.
- Experience with improving best performance (caching layer, searching engine, …)
- Experience with Spring Framework, NestJS.
- Experience with large-scale distributed systems.
- Knowledge of data engineering and big data technologies.
- Experience with large-scale systems is highly desirable, with an understanding of scaling problems and security.
- Background working closely with data science, ML, or experimentation teams on personalization, ranking, or targeting use cases is a strong plus.
BENEFITS
- At Amanotes, you will be enjoying the dynamic working environment with unique music culture many benefits as below:
- Competitive salary upon experience
- 13th month salary
- Annual Performance Bonus/ESOP (Employee Stock Options Plan) for people managers.
- Flexible working time.
- Personal learning and well-being budget
- Team-building budget
- Lunch and parking allowance
- Various learning activities, including internal training & sharing, international conferences, and e-learning (Udemy, Linkedin Learning...).
- Engaging music events: Music Night, Amasing Night, Music schools…
- Employee Assistance Program to support mental health & well-being.
- Minimum 12 days of paid annual leave, plus 10 days of paid sick leave.
- 12 days working from home per year.
Top Skills
What We Do
Amanotes is a leading music tech company with the mission of delivering the best music interactive experience to users. Since 2014, 30+ music games and mobile applications were published under our name with 2+ billion downloads worldwide and 120+ million monthly active users. In 2019, we were proudly listed as the #1 mobile apps publisher from Southeast Asia, the #1 music games publisher in the world, and one of the top 20 mobile apps publishers in the world across all categories. If you love to work in a friendly and fun environment with music all around the corner, come join us! Explore our products on Google Play and iOS App Store such as Magic Tiles 3, Tiles Hop, Dancing Ballz, and more than 30 others.








