Software Engineer - Platform & Cloud Migration (AWS

This role sits at the intersection of software engineering, cloud architecture, and platform enablement, offering the opportunity to make a significant impact on a large-scale technical transformation. You will work with complex systems, lead critical migration initiatives, and help shape long-term architectural decisions., * Lead the migration of platform and backend services from legacy infrastructure to AWS cloud and serverless environments

• Design, implement, and evolve cloud-native platform solutions with a strong focus on scalability and reliability
• Build and maintain shared platform services and tooling to support multiple product teams
• Own and improve cloud architecture, infrastructure, and deployment patterns
• Collaborate closely with product, engineering, and infrastructure teams to deliver complex migration initiatives
• Drive adoption of best practices in cloud security, performance, and cost optimization
• Contribute hands-on code across backend and platform components
• Support and improve CI/CD pipelines and infrastructure-as-code workflows
• Participate in architectural reviews and influence technical direction and platform strategy
• Troubleshoot and resolve complex production and platform-level issues
• Ensure systems meet operational, reliability, and observability standards

• Experience: 10+ years of professional software engineering experience, ideally in large-scale or enterprise systems
• Python: Strong, hands-on production experience
• AWS Serverless: 3+ years of daily experience with Lambda, DynamoDB, API Gateway, and Step Functions
• Legacy Migration: Proven experience migrating legacy or monolithic systems to cloud-native architectures
• Infrastructure as Code: AWS CDK (required), Terraform and/or CloudFormation
• Data Stores: Strong experience with PostgreSQL and DynamoDB
• API & Security: Deep understanding of authentication, authorisation, and secure API design
• Cloud Performance: Ability to diagnose and resolve scalability, reliability, and performance issues in production
• Upper-Intermediate English and better

• Competitive salary with the regular review
• Medical Insurance after 3 months probation period (can be used in Ukraine)
• Vacation (up to 20 working days)
• Paid sick leaves (10 working days)
• National Holidays as paid time off (11 days)
• Online English courses
• Accountant assistance and legal support
• Flexible working schedule, remote, office-based or hybrid format
• Fully-equipped perfect office space located in the city center (ready for work in blackouts)
• Direct cooperation with the customer
• Dynamic environment with low level of bureaucracy and great team spirit
• Challenging projects in diverse business domains and a variety of tech stacks
• Communication with Top/Senior level specialists to strengthen your hard skills
• Online/offline teambuildings
• Volunteering culture development and support

A global product-focused technology company is looking for a Senior Software Engineer with strong expertise in cloud platforms and AWS to support the migration of legacy systems to a modern, scalable, serverless architecture.