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Senior Backend Engineer (Microservices & System Architecture)

pixel chain Ukraine
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AI Summary

Lead the design and optimization of scalable backend systems for a global digital solutions company. Collaborate with product teams to deliver high-performance, reliable solutions while troubleshooting incidents and improving system resilience. Requires 5+ years of Java backend expertise, microservices architecture, and cloud deployment experience.

Key Highlights
Own full lifecycle of web application development from design to deployment
Design and optimize high-performance, scalable microservices architectures
Hands-on incident response and system resilience improvements
Key Responsibilities
Partner with product teams to translate requirements into scalable backend solutions
Design and implement high-performance, fault-tolerant system architectures
Develop and deploy web applications with full ownership from design to production
Write and maintain unit/integration tests to ensure code reliability
Participate in incident response and post-mortems to enhance system resilience
Collaborate across engineering tasks as team priorities evolve
Technical Skills Required
Java Microservices Architecture Amazon Web Services
Benefits & Perks
Flight ticket and full working visa provided
Top-tier equipment (MacBook and iPhone)
Competitive compensation tailored to skills and experience

Job Description


Our client is a software development and digital solutions company serving clients across the FinTech, iGaming, and Marketing sectors. The company has successfully delivered 20+ innovative products across 5 international markets, including Brazil, Armenia, Saudi Arabia, and the UAE.

As part of the engineering team, you'll take ownership of the architecture and performance of the systems behind their products — working closely with product teams to keep things scalable and reliable as the business keeps expanding into new markets. This is a role for someone who enjoys solving hard system-design problems as much as shipping clean, dependable code.

Responsibilities:

  • Partner with product teams to turn user and business requirements into scalable, well-architected backend solutions.
  • Own the full lifecycle of web application development, from design through deployment.
  • Design and build system architectures that stay fast and reliable as usage grows.
  • Write unit and integration tests that catch problems before they reach production.
  • Take part in incident response and post-mortems, feeding lessons back into more resilient systems.
  • Pitch in on other engineering tasks as the team's priorities shift.


Requirements:

  • Solid grounding in data structures, algorithms, and system design fundamentals.
  • 5+ years of hands-on backend development experience with Java / Java Core.
  • Practical experience designing and implementing microservices architectures.
  • Comfortable working across multiple database technologies — MySQL, MongoDB, Redis, and other NoSQL stores.
  • Experience with messaging systems such as Kafka, RabbitMQ, or ActiveMQ.
  • Working knowledge of AWS and Docker for cloud deployment and containerization.
  • Skilled in performance tuning — indexing, partitioning, sharding, and concurrent-programming optimization.
  • Hands-on testing experience with JUnit and Mockito.
  • Comfortable working within Agile development environments.


Benefits:

  • Flight ticket and full working visa provided.
  • Full sponsorship and support throughout the visa and work permit process.
  • Top-tier equipment, including a MacBook and iPhone.
  • Competitive compensation tailored to your skills and experience.
  • Comprehensive leave package.
  • A dynamic, inclusive culture that invests in your growth.

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