Senior Engineer & Tech Lead for Frontend/Backend Systems

BlueMatrix; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

BlueMatrix is seeking a seasoned Software Engineer to lead and grow a high-performing team focused on evolving a monolith toward microservices. You will mentor engineers, guide architecture, and own sprint planning while delivering production-ready Java/React/PostgreSQL apps via Docker on AWS.

You will collaborate with Product and Design, drive CI/CD and automated testing, and push for performance tuning and scalable solutions.

Qualifications

• 5+ years of professional software engineering experience, with 1–2+ years in a leadership or team lead capacity.
• Hands-on experience building production applications with Java, ReactJS, and PostgreSQL, and are comfortable working with Docker-based deployments.
• Experience designing and delivering scalable, production-ready systems and applications.
• Comfortable contributing to both frontend and/or backend codebases, depending on the team’s needs.
• Solid understanding of modern development practices, architecture patterns, and engineering tools.
• Excellent communication and collaboration skills, especially across cross-functional teams.
• Have experience delivering reliable, high-performance REST APIs.
• Have a strong interest in database & query performance tuning.
• Have experience and good understanding of scrum/agile development methodologies.
• Are experienced with code reviews, service ownership, fully automated testing, microservices, and rapid/continuous releases.

Responsibilities

• Lead, mentor, and support a team of engineers, fostering a culture of innovation, ownership, and collaboration.
• Conduct 1:1s, provide coaching and feedback, and support engineers in their professional development.
• Participate in hiring, onboarding, and team growth strategies- including performance management tasks; annual reviews, merit, feedback conversations.
• Write clean, efficient, and maintainable code—setting the standard for technical excellence within the team.
• Actively contribute to key development projects and unblock engineering challenges as needed.
• Guide architecture, code reviews, and technical decision‑making to ensure high‑quality delivery.
• Collaborate with Product, Design, and other stakeholders to define and deliver solutions that meet user and business needs.
• Partner with Product to shape epics, plan sprints, and prioritize the backlog.
• Own team-level sprint planning, delivery timelines, and status reporting.
• Hold the team accountable to sprint commitments, ensuring timely delivery of epics and completion of tickets.
• Identify and manage technical dependencies and risks.
• Champion engineering best practices in coding, testing, CI/CD, and monitoring.
• Drive continuous improvement in tools, workflows, and team processes.
• Help define and implement the long‑term technical strategy for your team.
• Are proficient in Java while comfortable with adopting new technologies

Skills

Leadership

Java

ReactJS

PostgreSQL

Docker

REST APIs

Agile/Scrum

Team mentoring

Tools

CI/CD

Job description

BlueMatrix is seeking a seasoned Software Engineer to lead and grow a high-performing team focused on evolving a monolith toward microservices. You will mentor engineers, guide architecture, and own sprint planning while delivering production-ready Java/React/PostgreSQL apps via Docker on AWS.

You will collaborate with Product and Design, drive CI/CD and automated testing, and push for performance tuning and scalable solutions.