Junior Backend Engineer - Build Scalable, Efficient Systems

StartupHeroes; Turkey; On-site; TRY 180,000 - 280,000; Full time

Job summary

StartupHeroes is seeking a Junior/Mid Backend Engineer to develop features, design and implement API methods, and improve performance of our systems as we scale. You will work with Java, Spring Boot, Kubernetes, AWS, and MySQL, building robust services handling millions of requests daily.

We value engineers who own their work, communicate progress clearly, and strive for latency, observability, and customer-focused outcomes.

Qualifications

• Experience with building robust backend services.
• 2+ years of professional experience.
• Proficiency in Java 11+ and Spring ecosystem.
• Ability to discuss architecture and drive technical decisions.
• Write clean, testable, maintainable code.
• Excellent communication with stakeholders.

Responsibilities

• Brainstorm with Product Managers, Backend, and Frontend Engineers to conceptualize and build new features for our products.
• Actively own team features or systems and define their long-term health, while also improving the health of surrounding systems for operational excellence.
• Design and build systems with low latency, high availability, and resilience at scale.
• Assist our skilled support and operations teams in triaging and resolving production issues.
• Mentor other engineers, provide guidance, and conduct deep code reviews to help the team grow.
• Improve engineering standards, tooling, and processes.
• Work on challenging problems and build highly scalable distributed systems in a business-oriented way.
• Lead the creation and improvement of our real-time decision-making systems.

Skills

Data structures

Algorithms

Java (11+)

System design

Code quality

Communication

Customer-first mindset

Tools

Spring Boot

Spring

Spring Security

Maven

Kafka

AWS

Kubernetes

Prometheus

Grafana

Redis

Valkey

TypeScript

React

Job description

StartupHeroes is seeking a Junior/Mid Backend Engineer to develop features, design and implement API methods, and improve performance of our systems as we scale. You will work with Java, Spring Boot, Kubernetes, AWS, and MySQL, building robust services handling millions of requests daily.

We value engineers who own their work, communicate progress clearly, and strive for latency, observability, and customer-focused outcomes.