Java Software Engineer (from 4yoe, English, AWS)

Top 3 reasons to join us

• Flexible Friday afternoon
• 18 Annual Leave + 5 Recharge Days/ Year
• Hybrid working model

Job description

We are seeking a high-performing Java Software Engineer (Middle Level) to drive critical platform, scalability, and AI-enablement initiatives across Byte Coach and related systems.

In this role, you will operate with strong autonomy and technical ownership, leading complex initiatives that directly support Byte Coach’s strategic priorities:

• Scalable Brand Autonomy
• Platform Modernization on Byte OS
• AI-Powered Coaching & Collective Intelligence
• Operational Simplification & UX Improvements
• Reliability & Performance Enhancements

You will own significant technical domains, influence cross-team design decisions, and deliver measurable platform and business outcomes at scale (33k+ restaurants globally).

Key Responsibilities

• Project Contribution
  • Work on assignments of moderate scope and complexity.
  • Analyze and expand on situations with multiple factors, breaking issues into logical steps and solving problems primarily using existing processes.
  • Design secure, highly available backend systems that reliably integrate AI services with scalable and auditable context management.
  • Work closely with product and AI teams to embed intelligence into operational workflows
  • Leverage native APIs and frameworks for integrations.
  • Identify and resolve performance bottlenecks and bugs.
  • Maintain code integrity through testing and documentation.

• Collaboration & Communication
  • Build strong internal working relationships.
  • Interact primarily with supervisor, project lead, or other professionals in the same or related disciplines.
  • Clearly and effectively communicate and explain facts, policies, and practices.
  • Decisions typically affect the immediate team.

Your skills and experience

Core Skills

• Strong expertise in Java (OOP, concurrency, collections, transaction management).
• Proficiency with Spring Boot, Spring Data, Dependency Injection.
• Experience designing and scaling RESTful microservices.
• Knowledge of API security (OAuth, Cognito, token-based auth, RBAC).
• Experience with event-driven architecture (Kafka, SQS).
• Strong SQL and NoSQL database experience.
• Experience diagnosing and resolving production issues.
• Experience integrating AI-driven services into backend workflows.
• Exposure to conversational systems or recommendation engines.
• Experience supporting large-scale multi-tenant platforms

Version Control & Agile

• Proficient in Git for version control and team collaboration.
• Experience working in Agile environments, participating in sprints, and collaborating with cross-functional teams.

Bonus Skills

• Familiarity with JavaScript/TypeScript (ES6+).
• Experience with CI/CD tools such as Jenkins, CircleCI, and Harness.
• Hands-on experience with AWS services (EC2, EKS, S3, RDS, Lambda).
• Knowledge of Kubernetes for container orchestration, scaling, and deployment.
• Experience with monitoring and logging tools like DataDog.

Why you'll love working here

Attractive Benefits:

• 100% salary during probation period
• Annual Leave: 18 days/ year
• Five “Recharge Days” – Extra days, in addition to company holidays.
• Flexible Friday afternoon
• Full salary insurance
• 13th-month bonus
• 1 day off for birthday
• Advanced health insurance (Generali)
• Regular engagement activities: sport clubs, internal events…
• Support Macbook and Monitor