Senior Full-Stack Tech Lead: Java, React & Microservices

Roc360; New York (NY); On-site; USD 150,000 - 230,000; Full time

Job summary

Roc360 is seeking a Full Stack Tech Lead in New York to own the technical direction of a core product team and guide a small group of engineers from architecture discussions to production deployments. You will balance strategic thinking with hands-on coding and play a key role in design reviews and sprint ceremonies.

The role requires strong core Java, Spring, REST API expertise, and front-end experience with React/TypeScript.

Qualifications

• 5–15 years of professional software engineering experience, with a strong foundation in Core Java and Spring frameworks (Spring Boot, Spring MVC, Spring Data).
• Proven experience leading or mentoring engineering teams in a fast-paced product environment.
• Expert-level REST API design and implementation skills.
• Solid command of relational databases and SQL (PostgreSQL, MySQL, or Oracle) including query optimization and schema design.
• Experience with Git-based version control workflows (Bitbucket, GitLab, or GitHub).
• Deep understanding of object-oriented design principles, data structures, and Java Collections.
• Hands-on experience with Agile/Scrum methodologies including sprint planning, backlog grooming, and Jira.
• Strong communication skills - you can translate technical complexity for non-technical stakeholders and write clearly.
• Frontend development experience with React, TypeScript, HTML, and CSS - you can own the full stack when needed.

Responsibilities

• Lead and mentor a team of engineers, conducting code reviews, setting technical standards, and fostering a culture of quality and continuous improvement.
• Architect and build scalable backend services using Java and Spring Boot, following microservices best practices.
• Design and develop RESTful APIs that power our web and mobile lending platform.
• Collaborate with product managers and stakeholders to translate business requirements into robust, maintainable technical solutions.
• Contribute to frontend development (React) when needed, bridging the full stack to unblock your team.
• Champion engineering best practices including testing, CI/CD, observability, and documentation.
• Drive technical roadmap planning and participate in sprint ceremonies as a key voice in Agile/Scrum processes.
• Diagnose and resolve complex production issues, leading root cause analysis and post-mortems.

Skills

Core Java

Spring Boot

Spring MVC

Spring Data

REST API design

Relational databases

SQL

Git-based workflows

Agile/Scrum

Jira

React

TypeScript

HTML/CSS

Leadership

Tools

Git

Jira

Kubernetes

PostgreSQL

MySQL

Oracle

AWS

GCP

Azure

Docker

Job description

Roc360 is seeking a Full Stack Tech Lead in New York to own the technical direction of a core product team and guide a small group of engineers from architecture discussions to production deployments. You will balance strategic thinking with hands-on coding and play a key role in design reviews and sprint ceremonies.

The role requires strong core Java, Spring, REST API expertise, and front-end experience with React/TypeScript.