Senior Fullstack Engineer (Java & React & AI)
Tech stack:
Java
Java/ Jakarta EE
React
TypeScript
Docker
Kubernetes
GitHub Copilot
Microsoft Copilot
CI/CD
AI Integration Services
Model Context Protocol (MCP)
Requirements:
5+ years of experience in software engineering and enterprise application development
Strong hands-on experience with Java and Java/Jakarta EE
Proven experience in software architecture and technical leadership
Strong experience with React and TypeScript
Experience designing scalable and maintainable applications
Knowledge of distributed systems and cloud-based architectures
Experience with Azure, CI/CD and DevOps practices
Practical experience with Docker and containerized environments
Experience mentoring engineers and driving engineering best practices
Very good English communication skills (B2/C1)
Nice to have:
Kubernetes experience
Experience modernizing legacy or monolithic applications
Experience with ERP, financial or enterprise software products
Hands-on experience with GitHub Copilot, Microsoft Copilot or other AI-assisted development tools
Experience with AI services, integrations or developer platforms
Knowledge of C or C-based technologies
Experience working in international distributed teams
Project description:
We are looking for a Senior Software Engineer with strong architectural expertise to support the evolution of enterprise financial management platform. In this role, you will actively contribute to architectural decisions, application modernization initiatives, front-end technology standards, and AI-driven engineering practices. Working closely with architects, engineering managers, product teams, and developers, you will help shape the future technical direction of a large-scale enterprise solution while ensuring high standards of quality, scalability, maintainability, and developer productivity.
Main responsibilities:
Contribute to the definition and evolution of the platform architecture and technical strategy
Drive technical decision-making and provide guidance across multiple engineering teams
Review solution designs and implementations to ensure architectural consistency and quality
Identify technical debt and support long-term modernization initiatives
Lead front-end engineering standards using React and TypeScript
Define reusable UI patterns, component strategies, and development best practices
Support the modernization of existing applications towards modular and cloud-native architectures
Contribute to containerization and orchestration initiatives using Docker and Kubernetes
Champion AI-assisted software development practices and developer productivity improvements
Support the implementation of AI-related services, integrations, and engineering workflows
Promote engineering excellence through automation, quality standards, and Test-Driven Development (TDD)
Mentor engineers, supporting their technical growth and development
Collaborate closely with Product, Engineering, and Architecture teams to align technical initiatives with business objectives
Participate in technical interviews and recruitment activities
Stay current with emerging technologies and evaluate their applicability within the product ecosystem
- Department
- Software Delivery
- Role
- Software Engineer
- Locations
- Poland (PL)
- Remote status
- Fully Remote
- Hourly salary
- PLN120
- Experience
- Senior
- Area
- AI, Fullstack
About Spyrosoft
Spyrosoft is an authentic, cutting-edge software engineering company, established in 2016. In 2021 and 2022, we were among the fastest growing technology companies in Europe, according to the Financial Times. We were founded by a group of tech experts with established backgrounds in software engineering, who created an ‘engineer-to-engineer’ workplace, powered by enthusiasm, fairness and authentic relationships. Having a unique offering, which bridge the gap between technology and business, we specialise in technology solutions for industry 4.0, automotive, geospatial, healthcare & life sciences, employee experience & education and financial services industries.