Principal Full Stack Developer (Angular/Java)

Grid Dynamics; Kraków; On-site; PLN 260,000 - 380,000; Full time

Benefits offered by this job

Medical insurance

Sports benefits

Flexible schedule

Professional development

Well-equipped office

Job summary

Grid Dynamics is seeking a Principal Full-Stack Developer (Java/Angular) in Kraków to lead complex frontend and full-stack initiatives, shaping architecture and strategy. You will mentor engineers, drive best practices, and collaborate with stakeholders to deliver high-impact software solutions.

As a Staff-level engineer, you will guide technical direction, oversee project delivery, and contribute to AI-powered features using Claude, AI Agents, and Copilot while ensuring scalable,

Qualifications

• 10+ years of software development experience with Java and Angular (v12+)
• Solid experience with AI tools and integrations (Claude, AI Agents, Copilot)
• Expertise in JavaScript, TypeScript, HTML, CSS, and backend architectural patterns
• Understanding of Cloud platforms (AWS, Azure, or GCP) and NoSQL databases
• Proven ability to lead teams and projects from architecture to deployment
• Familiarity with REST APIs, OAuth2, and web security best practices
• Hands-on experience with Git, CI/CD pipelines, and Docker

Responsibilities

• Provide technical leadership for full-stack initiatives across backend (Java) and frontend (Angular)
• Architect and implement AI solutions for critical business cases
• Lead feature development with cross-functional teams ensuring timely delivery
• Conduct code reviews and performance analyses, enforce coding standards
• Contribute to system architecture decisions for long-term maintainability
• Mentor mid- and senior-level developers and support team growth
• Lead stakeholder communication up to director level
• Support internal tech talks and knowledge sharing, including presentations
• Contribute to client upsell strategies by aligning tech direction with business goals
• Conduct technical interviews up to senior levels (T4)

Tools

Java

Angular

JavaScript

TypeScript

HTML

CSS

Docker

Git

CI/CD

NoSQL

Job description

We are looking for a highly skilled Principal Full-Stack Developer (Java/Angular) to take a pivotal role in leading software development projects, defining technical strategies, and contributing to the system’s overall architecture. As a Staff-level engineer, you will lead complex frontend initiatives, provide strong technical guidance to your team, and help shape scalable, high-performance applications using Angular and Java and related technologies.

This role combines technical excellence, leadership, and mentorship, with strong ownership across project architecture and delivery.

Responsibilities

• Provide technical leadership for full-stack engineering initiatives; guide implementation and enforce best practices across both backend (Java) and frontend (Angular).
• Quickly design, architect, and implement real-world AI solutions (leveraging Claude, AI agents, Copilot) for various critical business cases.
• Lead feature development, working closely with cross-functional teams to ensure on-time, high-quality delivery
• Conduct code reviews, perform performance analysis, and ensure adherence to coding standards
• Participate in and influence system architecture decisions, ensuring consistency and long-term maintainability
• Mentor mid- and senior-level developers; support team growth and capability development
• Lead communication with stakeholders including business and technical representatives up to director level
• Support internal tech talks, meetups, and knowledge sharing, including preparation and delivery of presentations
• Contribute to upsell strategies by understanding client needs and aligning technical direction with business goals
• Conduct technical interviews up to senior levels (T4), adjusting evaluation approaches as needed

Requirements

• 10+ years of software development experience, with deep expertise in building complex applications using Java and Angular (v12+).
• Solid, hands-on experience with modern AI tools and integrations (Claude, AI Agents, GitHub Copilot).
• Expertise in JavaScript, TypeScript, HTML, CSS, and backend architectural patterns.
• Understanding of Cloud platforms (AWS, Azure, or GCP) and NoSQL databases.
• Proven ability to lead teams and projects from architecture to deployment.
• Familiarity with REST APIs, OAuth2, and web security best practices.
• Hands-on experience with Git, CI/CD pipelines, and Docker.

Nice to have

• Knowledge of other modern frameworks (React, Vue, etc.) or Node.js.
• Experience in public speaking or leading internal/external tech talks.
• Familiarity with browser profilers and performance debugging tools.

We offer

• Opportunity to work on bleeding-edge projects
• Work with a highly motivated and dedicated team
• Competitive salary
• Flexible schedule
• Benefits package - medical insurance, sports
• Corporate social events
• Professional development opportunities
• Well-equipped office

About Us

Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.