Senior Technical Manager (Java + React)📍 Hybrid in Warsaw (3 days/week onsite required) | 💼 Full-time | Employment contract up to $9,500/monthOur client is a US-based technology company headquartered in New York City, delivering digital solutions and consulting services that transform businesses and drive measurable value. With offices in multiple countries, the company is now investing in a new engineering centre in Warsaw, recognizing the exceptional talent and culture of Polish software professionals.Their integrated ecosystem combines:PaaS (Platform as a Service): an AI-native enterprise operations foundation built to optimize workflows, surface insights, and accelerate value creation across portfolios.SaaS (Software as a Service): a cloud platform delivering unmatched performance, intelligence, and execution at scale.S&C (Solutions & Consulting Suite): modular technology playbooks designed to manage, grow, and optimize company performance.With over a decade of experience supporting high-growth and private equity-backed platforms, the company brings deep domain expertise and a proven ability to turn technology into a strategic advantage.Role OverviewWe are seeking a dynamic and experienced Senior Technical Manager with strong expertise in Java and React to lead software development initiatives in a rapidly growing engineering team. This is a high-impact role requiring both strategic vision and hands-on technical leadership.Key Responsibilities Technical Leadership: Provide direction and hands-on leadership for projects built with Java (Spring Boot) and React.js. Team Management: Lead and mentor developers, fostering growth and ensuring adherence to best engineering practices. Project Delivery: Oversee the design, development, and deployment of scalable, reliable software within agreed timelines. Collaboration: Partner with product managers, stakeholders, and cross-functional teams to define roadmaps and technical priorities. Code Quality & Standards: Review architecture and code to ensure high standards of performance and maintainability. Scalability & Performance: Design solutions optimized for enterprise-grade scalability and performance. Innovation: Stay current with emerging technologies and integrate them into the company’s technical ecosystem.

Risk Management: Identify, communicate, and mitigate technical risks early in the development lifecycle.

Required Skills & ExperienceTechnical Expertise 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). Experience with CI/CD pipelines, DevOps, and version control systems (Git). Managerial & Soft Skills Proven experience leading software development teams in dynamic environments. Strong project management skills — planning, tracking, and on-time delivery. Excellent communication and stakeholder management abilities. Analytical mindset with strong problem-solving skills.

Experience working in Agile/Scrum environments.

Qualifications 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.

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

What’s Offered Employment contract (UoP) with compensation up to $9,500/month 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