[Remote] Sr. Java Full Stack Engineer

Note: The job is a remote job and is open to candidates in USA. Mastech seeks a Sr. Java Full Stack Engineer to lead the design and development of next-generation trading systems. The role focuses on building scalable, resilient, high-performance trading infrastructure, collaborating across teams, mentoring engineers, and supporting production environments.

Responsibilities

• We are seeking a highly experienced software engineer to lead the design and development of next-generation trading systems. This is a hands-on technical leadership role focused on building scalable, resilient, and high-performance trading infrastructure. You’ll collaborate across teams, mentor engineers, and drive innovation in a mission-critical environment
• Architect and develop distributed, event-driven trading systems optimized for low latency and high throughput
• Design and implement asynchronous processing frameworks and resilient messaging services
• Collaborate with internal and external teams to deliver robust, end-to-end trading workflows
• Lead performance tuning and optimization efforts across the platform
• Mentor junior engineers and promote engineering best practices
• Support production and non-production environments, including participation in a weekly on-call rotation

Skills

• Bachelor's degree in computer science, Engineering, Information Technology, or equivalent
• 10+ years of hands-on software design and development experience
• Expertise in Java, Python, and Linux
• Deep experience with low latency messaging systems (e.g., 29West, Kafka)
• Proficiency in KDB+ or other time-series databases
• Strong background in building scalable, distributed, asynchronous, and event-driven applications
• Advanced knowledge of low latency design patterns and performance optimization techniques
• Experience with Capital Markets or Brokerage systems, especially order management
• Solid understanding of the FIX protocol and FIX engines
• Worked with AI developer assist tools (e.g. GitHub Copilot)
• Experience with CI/CD tools such as GitHub, Maven, Jenkins, Artifactory, and uDeploy
• Hands-on experience deploying applications to AWS or other cloud platforms

Benefits

• Remote

Company Overview

Founded in 1986, Mastech is a NYSE American company (MHH) that helps leading organizations become Knowledge-First enterprises. It was founded in 1986, and is headquartered in Pittsburgh, Pennsylvania, USA, with a workforce of 1001-5000 employees. Its website is http://www.mastechdigital.com/.

Company H1B Sponsorship

Mastech has a track record of offering H1B sponsorships, with 147 in 2026, 399 in 2025, 496 in 2024, 540 in 2023, 947 in 2022, 681 in 2021, 751 in 2020. Please note that this does not guarantee sponsorship for this specific role.