Senior Full Stack Engineer

About the Position

We are looking for experienced Senior Full Stack Engineers to join a large-scale technology modernization program within the financial services sector. The program focuses on transforming enterprise systems through modern application development, cloud transformation, legacy and mainframe modernization, data migration, modern software architecture, and Generative AI.

This is an excellent opportunity to work on a complex, large-scale transformation initiative and collaborate with experienced engineers, architects, and technology specialists.

Responsibilities

• Design, develop, and maintain modern enterprise applications
• Work across both backend and frontend development
• Build scalable and secure APIs and system integrations
• Develop cloud-native applications and services
• Contribute to the modernization of legacy applications and enterprise systems
• Participate in the transformation of existing systems into modern architectures, including microservices and event-driven solutions
• Collaborate with Solution Architects, Technical Leads, DevOps, Data, Cloud, and Mainframe teams
• Support application and data migration initiatives
• Ensure high standards of code quality, performance, security, and maintainability
• Participate in technical discussions and contribute to architectural decisions
• Work in an Agile environment with distributed engineering teams

Requirements

• Full Stack software development in enterprise environments
• Modern backend and frontend application development
• Designing and developing REST APIs and integrations
• Cloud and cloud-native technologies
• Microservices and distributed systems
• Enterprise-scale applications and high-availability systems
• Legacy application modernization or technology transformation projects
• CI/CD and modern software development practices

Technologies: The client has not specified a mandatory technology stack, so we are open to candidates with different technology backgrounds. Experience with some of the following technologies will be highly valued:

• Java / Spring Boot
• React / Angular
• REST APIs
• Microservices
• Kafka / event-driven architecture
• Docker / Kubernetes
• Azure / AWS
• CI/CD, Git, Jenkins, GitHub Actions or Azure DevOps
• Terraform / Infrastructure as Code
• SQL / PostgreSQL / Oracle
• Automated testing

Nice to Have

• Previous experience in banking or financial services
• Experience with legacy or mainframe modernization
• Experience integrating modern applications with legacy systems
• Knowledge of cloud migration and application transformation
• Experience with Generative AI / LLM integrations, Azure OpenAI, AWS Bedrock, RAG or similar technologies

We Offer

• Opportunity to join a large-scale enterprise modernization program within the financial services sector
• Work on cutting-edge technology initiatives involving Generative AI, cloud transformation, legacy modernization, data migration, and modern software architecture
• Collaboration with experienced architects, engineers, and technology leaders
• 100% remote work
• Full-time engagement
• Rate: 185 PLN/hour
• Contract duration: 9-12 months
• Start: As soon as possible

About the Company

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