Senior Java FullStack Developer

Spyrosoft

. Develop end-to-end full stack solutions using Java/Spring Boot and Angular/React .

Posted 10/5/2026contractRemote • PolandSenior💰 PLN 120 - PLN 150 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing full stack solutions using Java and Spring Boot, alongside modern frontend frameworks like Angular or React. Proficient in building scalable REST APIs, integrating AI solutions, and utilizing cloud platforms such as Azure, AWS, or GCP.

Highest-signal resume keywords

Java 17+Spring BootAngular/ReactREST API DevelopmentCloud Platforms (Azure, AWS, GCP)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Java 17+Spring BootAngularReactREST API DevelopmentAI SolutionsLLMsGitHub CopilotCI/CDSoftware Engineering Best Practices

Soft Skills

Analytical SkillsProblem-Solving SkillsCommunication SkillsCollaboration Skills

Tools & Technologies

GitHub CopilotAzureAWSGCPDockerKubernetesKafka

Industry Keywords

Financial ServicesBankingFinTech

Tech Stack

Tools & technologies

AngularAWSAzureCloudDockerGoogle Cloud PlatformJavaKafkaKubernetesReactSDLCSpringSpring BootSpringBoot

About the role

Key responsibilities & impact

Develop end-to-end full stack solutions using Java/Spring Boot and Angular/React
Design and implement scalable REST APIs and backend services
Build modern, user-focused frontend applications
Integrate and optimize AI-powered solutions, including LLMs and AI agents
Collaborate on architecture, technical design, and best engineering practices
Utilize AI-assisted development tools such as GitHub Copilot
Contribute to CI/CD processes and cloud-based deployments using Azure, AWS, or GCP
Work closely with international, cross-functional teams to deliver innovative software solutions
Participate in the design, development, and evolution of scalable applications and architectural discussions
Freelance engagement for a 12-month project duration

Requirements

What you’ll need

5+ years of commercial software development experience
Strong hands-on experience with Java 17+
Very good knowledge of Spring Boot and the modern Spring ecosystem
Commercial experience in frontend development
Strong practical experience with Angular and/or React
Commercial experience with cloud platforms such as Azure, AWS, or GCP
Commercial experience working with AI solutions
Hands-on experience with LLMs, AI agents, or agentic AI solutions in professional projects
Experience using GitHub Copilot or similar AI-assisted development tools
Proven experience building and integrating REST APIs
Solid understanding of modern application architectures
Understanding of SDLC, CI/CD, and software engineering best practices
English proficiency at B2 level or higher
Strong analytical and problem-solving skills
Good communication skills and ability to collaborate in international teams
Nice to have: AI tools, DevOps and Infrastructure as Code, Docker and/or Kubernetes, Kafka or event-driven technologies, AI frameworks/orchestration/APIs/RAG, German language skills, and financial services, banking, or FinTech experience