Principal Full Stack Developer (Angular/Java)

Grid Dynamics; Warszawa; On-site; PLN 320,000 - 520,000; Full time

Benefits offered by this job

Competitive salary

Flexible schedule

Medical insurance

Sports benefits

Corporate social events

Professional development

Well-equipped office

Job summary

Grid Dynamics is seeking a Principal Full-Stack Developer (Java/Angular) in Warszawa to lead software projects, define technical strategies, and shape scalable, high-performance applications. You will mentor teams, own architecture decisions, and drive frontend and backend excellence using Angular and Java.

As a Staff-level engineer, you will mentor, influence stakeholders, and contribute to AI-enabled solutions leveraging Claude, AI Agents, and Copilot, while maintaining strong ownership across

Qualifications

• 10+ years of software development experience using Java and Angular (v12+).
• Proven expertise with AI tool integrations (Claude, AI Agents, GitHub Copilot).
• Strong proficiency in JavaScript/TypeScript, HTML, CSS, and backend architectural patterns.
• Cloud platform familiarity (AWS, Azure, or GCP) and NoSQL databases.
• Demonstrated ability to lead teams and projects from architecture to deployment.
• Experience 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, design, and implement AI-enabled solutions for critical business cases.
• Lead feature development with cross-functional teams to ensure timely delivery.
• Conduct code reviews, performance analysis, and enforce coding standards.
• Shape system architecture decisions for long-term maintainability.
• Mentor mid- and senior-level developers and support team growth.
• Lead stakeholder communications up to director level.
• Support internal tech talks and knowledge sharing, including presentations.
• Contribute to upsell strategies by aligning technical direction with business goals.
• Lead technical interviews up to senior levels (T4).

Skills

Java

Angular

JavaScript/TypeScript

HTML/CSS

REST APIs/OAuth2

Cloud platforms

NoSQL databases

Git

CI/CD pipelines

Docker

Leadership

Mentorship

Tools

Git

Docker

CI/CD

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.