TL;DR

Senior Technical Manager (Java + React): Providing technical direction and hands-on leadership for software development projects built with Java (Spring Boot) and React.js. Focus on designing solutions optimized for enterprise-grade scalability and performance, mentoring developers, and ensuring adherence to best engineering practices.

Location: Hybrid in Warsaw, 3 days/week onsite required

Salary: Up to $9,500/month

Company

US-based technology company headquartered in New York City, delivering digital solutions and consulting services that transform businesses and drive measurable value.

What you will do

Provide technical direction and hands-on leadership for projects built with Java (Spring Boot) and React.js.
Lead and mentor developers, fostering growth and ensuring adherence to best engineering practices.
Oversee the design, development, and deployment of scalable, reliable software within agreed timelines.
Partner with product managers, stakeholders, and cross-functional teams to define roadmaps and technical priorities.
Review architecture and code to ensure high standards of performance and maintainability.
Stay current with emerging technologies and integrate them into the company’s technical ecosystem.

Requirements

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
10+ years of experience in software development, including 5+ years in Java & React.
3+ years in a technical leadership or managerial role.
Strong experience in Java (Spring, Spring Boot) and related frameworks.
Proficiency in React.js, JavaScript, HTML5, CSS3.
Solid understanding of RESTful APIs, AWS, microservices, and containerization (Docker, Kubernetes).

Nice to have

Certifications in Java, React, or cloud platforms are a plus.

Culture & Benefits

Career growth opportunities in a global fintech environment.
Work on high-impact, international projects.
Friendly, open, and ambitious team culture.
Hybrid model – minimum 3 days/week onsite in the Warsaw city centre.