Senior Full Stack Engineer

Motion Recruitment; Waltham (MA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical, Dental, and Vision Insurance

401(k) with company contribution

Generous Paid Time Off and company hol

Career growth and leadership opportu

Job summary

Motion Recruitment is assisting a client in seeking a senior software engineer to build products from the ground up, influence technology strategy and product direction. This full-time role leads development of a next-generation field technology platform used in real-world operational environments near the greater Boston area, spanning web, mobile, and cloud technologies.

The ideal candidate thrives in a high-ownership environment, contributing to architecture, engineering standards, and roadmap

Qualifications

• 7+ years of professional software engineering experience.
• Strong React and modern JavaScript framework expertise.
• Experience building production-grade mobile applications.
• Design scalable cloud-based systems and services.
• Hands-on RESTful APIs and distributed systems experience.
• Strong software architecture, design patterns, and best practices.
• Experience with SQL and/or NoSQL databases and CI/CD pipelines.

Responsibilities

• Hands-on development across front-end, mobile, and cloud platforms.
• Provide technical leadership, mentorship, and code reviews.
• Collaborate with product and engineering stakeholders on architecture and roadmap.
• Establish engineering standards and drive platform evolution.

Skills

React

JavaScript frameworks

Mobile apps

RESTful APIs

Distributed systems

Software architecture

Design patterns

SQL/NoSQL

CI/CD

Troubleshooting

Mentoring engineers

Job description

This client is looking for a senior software engineer who enjoys building products from the ground up and influencing both technology strategy and product direction. This full-time opportunity offers the chance to lead the development of a next-generation field technology platform used in real-world operational environments. Based in the greater Boston area, you'll work on modern web, mobile, and cloud technologies while helping shape a product that bridges software, connected devices, and data-driven workflows.
This role is ideal for someone who thrives in a high-ownership environment where technical leadership goes hand-in-hand with hands-on development. You'll have significant influence over architecture, engineering standards, and roadmap decisions while collaborating closely with product and engineering stakeholders. Beyond writing code, you'll help establish best practices, mentor engineers, and drive the evolution of a scalable platform used in fast-paced operational settings.
Required Skills & Experience

• 7+ years of professional software engineering experience
• Strong expertise developing applications with React and modern JavaScript frameworks
• Experience building and deploying production-grade mobile applications
• Proven ability to design scalable cloud-based systems and services
• Hands-on experience developing RESTful APIs and distributed systems
• Strong understanding of software architecture, design patterns, and engineering best practices
• Experience working with SQL and/or NoSQL databases
• Knowledge of CI/CD pipelines and automated deployment processes
• Excellent troubleshooting, communication, and collaboration skills
• Experience mentoring engineers and providing technical leadership

Desired Skills & Experience

• Experience with Google Cloud Platform or similar cloud ecosystems
• Knowledge of image capture, sensor integration, or computer vision applications
• Experience designing applications that function reliably in low-connectivity or offline environments
• Familiarity with event-driven architectures, messaging systems, or pub/sub frameworks
• Exposure to IoT, robotics, edge computing, or connected hardware platforms
• Experience within automotive, industrial technology, or field service industries
• Open-source project contributions
• Experience working in startup or high-growth environments

What You Will Be Doing Tech Breakdown

• 40% Front-End & Mobile Development (React-based applications)
• 35% Cloud Services & Backend Engineering
• 15% Architecture & Technical Strategy
• 10% DevOps, Automation & Platform Reliability

Daily Responsibilities

• 70% Hands-On Development
• 15% Technical Leadership & Mentorship
• 15% Cross-Functional Collaboration

The Offer You Will Receive The Following Benefits

• Medical, Dental, and Vision Insurance
• 401(k) with company contribution
• Generous Paid Time Off and company holidays
• Career growth and leadership opportunities

Applicants must be currently authorized to work in the United States on a full-time basis now and in the future.