Middle / Senior Back-End Developer (Java + AWS)

🚀AIMPROSOFT - Middle+ / Senior Back-End Developer (Java) Opportunity! 

Aimprosoft is looking for a Middle+ / Senior Back-End Developer (Java + AWS) to join a long-term (6–12 months, with a strong likelihood of extension depending on project progress and business needs) international project in the Payments Infrastructure & Integrations domain. 

The project focuses on building and maintaining backend services that integrate external providers (banks, acquirers, and alternative payment methods) into a unified payment platform used by global merchants. The system operates at scale and requires high reliability, security, and clear integration contracts. 

🎯About the project & role: 

You will work on Java-based backend services responsible for provider integrations and internal service communication. 
The role focuses on microservices development, API integrations, and stable backend evolution within an established engineering environment. 

Your contribution will help ensure consistent provider connectivity, system stability, and smooth rollout of new integrations. 

 
🔥What We Need From You: 

• 3+ years of experience in Java SE  (17/21) development 
• Strong experience with microservices architecture 
• Solid knowledge of: Spring framework, Maven 
• Experience with relational databases (MySQL, PostgreSQL) 
• Experience with NoSQL technologies (Redis, MongoDB) 
• Familiarity with AWS (EC2/SQS/SNS/ECS/EKS/S3) 
• Hands-on experience with (CI/CD pipelines, Docker) 
• Ability to translate user requirements into technical solutions 
• Experience using AI tools (ChatGPT, Claude, Cursor) for: Research, Drafting documentation 
• Fast learner and strong team player 
• English: Upper-Intermediate (B2) or higher for communication with international teams. 

📌Nice to have: 

• DynamoDB experience 
• Kubernetes experience 
• Experience with GCP 
• To be available from 5pm to 9pm Kyiv time (4–5 hours overlap with Central Time (CT))  
• Experience in Payments Infrastructure domain project 

• Bachelor’s or Master’s degree in Computer Science or related field. 

   

💼What We Offer: 

• Official military deferment (reservation) 
• A competitive salary that appreciates your skills and experience 
• Cozy atmosphere and modern approaches. We have neither bureaucracy nor strict management nor “working under pressure” conditions 
• Opportunity to implement your ideas, tools, and approaches. We are open to changes and suggestions aimed at improvement 
• Work on a strategic, large-scale international project with high visibility. 
• Remote-friendly culture with strong team collaboration.