Lead Full-Stack Software Engineer (Java, JS)

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Poland
Mobile • Software
The Role

We are searching for a motivated Lead Full-Stack Software Engineer with a deep understanding of the latest trends to join our international team. Whether you want to prove your skills or be part of something powerful, we’re glad our paths have crossed here.

Work at Exadel - Who We Are

Since 1998, Exadel has been engineering its products and custom software for clients of all sizes. Headquartered in Walnut Creek, California, Exadel has 2,000+ employees in development centers across America, Europe, and Asia. People drive Exadel’s success and are at the core of our values.

About Our Customer

Our client is one of the top 10 largest banks in North America, who provides personal and commercial banking, global markets and investment banking services to millions of customers.

Requirements

  • 8+ years of experience working with Java
  • Strong knowledge of Spring Framework
  • Strong experience in JavaScript/TypeScript
  • Proficiency in PostgreSQL, MySQL, and NoSQL databases (MongoDB, Cassandra)
  • Expertise in API development (REST, GraphQL) and handling authentication mechanisms (OAuth2, JWT)
  • Competency in CI/CD tools like Jenkins, GitHub Actions, or GitLab CI

Nice to Have

Competency in cloud services and containerization tools (Docker, Kubernetes)

English level

Upper-Intermediate

Responsibilities

  • Design, develop, and maintain robust, scalable, and high-performance back-end systems using Java and Spring
  • Build and maintain RESTful APIs and GraphQL endpoints for web and mobile applications
  • Integrate third-party APIs and libraries into the backend systems
  • Work closely with front-end developers to ensure seamless integration of backend functionality with the user interface
  • Collaborate with cross-functional teams to gather and understand requirements
  • Deploy applications to cloud environments using best practices for security and performance
  • Write clean, maintainable, and well-documented code following best practices
  • Perform unit and integration testing to ensure code quality
  • Stay updated on emerging technologies and industry trends
  • Identify and implement performance improvements in backend systems
  • Assist with frontend development as required, particularly around API integration
  • Create and maintain technical documentation for backend processes and systems
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The Company
HQ: Walnut Creek, CA
1,549 Employees
On-site Workplace
Year Founded: 1998

What We Do

For more than 20 years, Exadel has been delivering Digital Transformation services, enterprise and custom software solutions for Fortune 500 clients, including HPE, Deloitte, Home Depot and McKesson. With 20+ locations and delivery centers across the US and Europe, Exadel solves the most complex engineering problems using Agile methodologies, offering a scalable and skilled mix of multi-shore resources at the industry's most competitive price. Exadel’s digital transformation solutions and services help chart new strategies that are built upon creative thinking, cutting-edge design, and technical innovation, designed for the growing digital landscape of business.

Enterprise Services
- Digital Transformation Experts
- Developing mission-critical software and mobile applications
- Advising companies on how best to leverage open source technology
- Helping companies plan and implement migrations to better technology stacks
- Providing QA, automation, and testing services for application development
- Supporting and maintaining applications and systems for companies
- Providing on-line training and mentoring to companies
- Assisting companies in evaluating their current enterprise software architecture and planning for improvements or new systems.

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