Senior Software Engineer - Knowledge Base

• Develop high-quality features and improvements in Java/Kotlin, with a strong focus on maintainability and readability
• Participate in design discussions and contribute to technical decisions, without needing to drive long-term architecture alone
• Help translate requirements into clear, practical designs and implementation steps
• Contribute to small-scale proofs-of-concept and prototypes to validate ideas and explore alternatives
• Evaluate trade-offs between solutions while keeping simplicity, cost, stability, and performance in mind
• Collaborate closely with the team to break down work, estimate tasks, and deliver incrementally
• Collaborate with other engineering teams, product managers, and data teams to ensure smooth integration of features and shared services
• Recommend improvements to monitoring, metrics, performance, and reliability of cloud services (AWS preferred)
• Engage actively in code reviews, sharing feedback and ensuring high-quality standards across the team
• Build scalable, resilient backend services within our cloud environment and data pipeline ecosystem
• Maintain and extend internal components powering data ingestion, transformation, and delivery flows
• Work cross-functionally to ensure smooth integration with other teams and systems
• Keep up with industry trends and suggest practical improvements that fit our context

• 7+ years of hands-on development experience with Java (Kotlin or strong interest in Kotlin is a plus)
• Experience building backend services and working with modern JVM-based systems
• Familiarity with AWS cloud services and cloud-native application development
• Experience with relational databases, NoSQL stores, and messaging systems (Kafka, SNS/SQS, etc.)
• Exposure to data pipelines, data ingestion, ETL/ELT, or data delivery systems is highly valued
• Understanding of distributed systems fundamentals, service reliability, and performance considerations
• Strong debugging and problem-solving skills
• comfortable reading and improving existing codebases
• Good communication skills and a collaborative mindset
• Bachelor’s/Master’s degree in Computer Science or equivalent experience

Familiarity with AI/LLM-based systems and how backend services interact with them (e.g., prompt orchestration, model APIs, embedding pipelines) is a plus

• Equity Program - be part of the company success
• Annual bonus based on company performance
• Referral Program - bring your colleague we would all love to work with
• IT Equipment - MacBook Pro or any other HW according to your preferences
• Work-life balance - 5 weeks of holidays, 5 sick days, flexible working hours, 100% work from home also possible
• Offices in Belgrade City Centre - if you prefer
• work with top experts worldwide who contribute to the Java ecosystem