Senior Full Stack Engineer

Tech3pillars Technologies; Virginia (MN); On-site; USD 120,000 - 160,000; Full time

Job summary

Tech3pillars Technologies in Weehawken, NJ seeks a Senior Full Stack Engineer to build and maintain a large client-facing web platform using Java and React. You will design scalable backend services and responsive frontends, and work on microservices, cloud-native architectures, and secure coding practices.

The role emphasizes automation, testing, architecture participation, and strong collaboration with cross-functional teams including product stakeholders and testers.

Qualifications

• Strong backend development with Java, Spring Framework / Spring Boot.
• Adept with Cloud native tech and DevOps practices.
• Frontend development with React, JavaScript/TypeScript, HTML/CSS.
• Experience designing REST APIs and microservices.
• Solid distributed systems and cloud-native architecture knowledge.
• Proficiency in relational databases (SQL, Oracle, MSSQL, Sybase) and SQL.
• Automated testing and software-quality practices.
• Familiarity with Agile methodologies (Scrum/Kanban).
• Git, CI/CD, secure coding, and production support experience.
• Ability to analyze business requirements and document technical solutions.
• Ownership, communication, collaboration, and problem-solving skills.

Responsibilities

• Design and develop scalable backend services in Java and responsive UI in React.
• Contribute to distributed systems, cloud architecture, and microservice design.
• Deliver maintainable, secure, and high-quality software.
• Write automated unit, integration, and end-to-end tests.
• Translate business requirements into technical solutions.
• Participate in architecture, platform design, and technical decisions.
• Investigate production issues and implement sustainable improvements.
• Create and maintain technical documentation.

Skills

Java

React

Spring

REST APIs

Distributed systems

Agile methodologies

Git

CI/CD

Cloud native

Azure

Tools

Kubernetes

Docker

SQL

Job description

JD
Role: Senior Full Stack Engineer
Location: Weehawken, NJ

Experience: 10+ years

We are looking for a Senior Full Stack Engineer to develop and maintain a large, client-facing web platform using Java and React.

You will:

• design and develop scalable backend services in Java and responsive user interfaces in React
• contribute to distributed systems, cloud architecture, and microservice design
• deliver maintainable, secure, and high-quality software
• write automated unit, integration, and end-to-end tests
• analyze business requirements and translate them into technical solutions
• participate in architecture, platform design, and technical decision-making
• investigate production issues and implement sustainable improvements
• create and maintain technical documentation

Team

You will join a cross-functional engineering team responsible for developing and supporting OneSource web services. You will work closely with engineers, architects, product stakeholders, business analysts, testers, and platform teams.

Your expertise

You bring:

• strong backend development experience with Java, Spring Framework / Spring Batch / Spring Boot
• experience with Cloud native technology (Microservices, container technology) and DevOps
• strong frontend development experience with React, JavaScript or TypeScript, HTML, and CSS
• experience designing and developing REST APIs and microservices
• a solid understanding of distributed systems and cloud-native architecture
• experience with relational databases (Sybase or MSSQL, Oracle), data modeling, and strong SQL skills
• strong automated testing and software-quality practices
• accustomed with Agile Methodologies (Scrum, Kanban, etc.)
• knowledge of Git, CI/CD, secure coding, and production support
• experience analyzing business requirements and documenting technical solutions
• strong ownership, communication, collaboration, and problem-solving skills

Experience with Microsoft Azure, containerized platforms, Kubernetes, event-driven systems, observability tools, and large client-facing applications would be an advantage.