[Hiring] Senior Backend (Java) Engineer @softsich

Role Description

We are looking for a Senior Backend Engineer to drive the development and maintenance of the company’s core services. You will become part of a team responsible for designing, developing, and enhancing high-load, scalable backend solutions, integration services, and a microservices ecosystem.

We expect the ideal candidate to bring:

• Strong technical expertise
• Confidence in making architectural decisions
• A proactive mindset toward improving existing solutions
• Ownership of the product’s technical outcomes

Qualifications

• 5+ years of commercial experience in Java development
• Deep knowledge of Java Core, JVM, multithreading, and OOP principles
• Strong hands-on experience with the Spring Framework (Spring Boot, Spring Data, Spring Security)
• Proven experience in designing and maintaining microservices architecture
• Solid knowledge of relational databases, SQL, and data schema design principles
• Experience with Apache Kafka and building event-driven systems
• Experience with MongoDB or Amazon DocumentDB
• Experience designing and implementing REST APIs
• Strong understanding of Distributed Systems principles, CAP Theorem, Consistency Patterns, and Transaction Management
• Experience with Docker and Kubernetes
• Understanding of CI/CD principles and modern DevOps practices
• Experience with at least one cloud platform (AWS, Azure, or GCP)
• Ability to perform technical analysis, assess risks, and propose optimal solutions
• Strong communication skills and experience working in cross-functional teams

Requirements

• Design, develop, and maintain scalable backend services
• Contribute to the design and evolution of system architecture
• Develop and support REST APIs and integrations with internal and external systems
• Optimize service performance, databases, and data processing pipelines
• Ensure high code quality through unit, integration, and automated testing
• Write and maintain tests using JUnit, Mockito, and Testcontainers
• Conduct code reviews and mentor less experienced engineers
• Analyze and resolve technical issues, defects, and system bottlenecks
• Collaborate closely with Product, QA, DevOps, and other engineering teams
• Participate in planning, technical estimation, and task decomposition

Nice to Have

• Experience designing high-load distributed systems
• Advanced knowledge of MongoDB/DocumentDB, including schema design, indexing, and query optimization
• Experience with observability solutions such as Prometheus, Grafana, ELK, and OpenTelemetry
• Experience building fault-tolerant and resilient systems
• Practical experience with AWS services (EKS, ECS, RDS, MSK, etc.)
• Experience with Terraform or other Infrastructure as Code solutions
• Experience in technical leadership or team mentoring
• Understanding of Domain-Driven Design (DDD) and Clean Architecture

Benefits

• Flexible work format: remote or from our offices in Kyiv or Warsaw — your choice
• Full-time employment
• Standard 5/2 working schedule
• 24 paid vacation days, sick leave, and health insurance (currently available in Ukraine, with coverage in other locations coming soon)
• A friendly and supportive team where it’s easy to ask questions, share ideas, and grow professionally
• Coverage of professional events, courses, and learning opportunities
• Birthday celebrations, team-building activities, and meaningful connections beyond work
• Zero contribution to the aggressor state or businesses affiliated with it