Senior Software Engineer

Clean Harbors, Inc.; Norwell (MA); Hybrid; USD 62,000 - 192,000; Full time

Benefits offered by this job

Health benefits after 30 days

401K with company matching

Employee Stock Purchase Plan

Generous paid time off

Tuition reimbursement

Training and development opportunities

Growth opportunities

Job summary

Clean Harbors, Inc. is seeking a Senior Software Engineer in Norwell, MA to design and develop business applications and customize platforms supporting field operations, billing, and service workflows.

You will balance new development with production support, mentor peers, and work with Product Owners, QA, DBAs, and business stakeholders to raise the technical bar.

This role emphasizes safety, collaboration, and AI-assisted development to deliver reliable solutions for our environmental services.

Qualifications

• Bachelor's degree in CS/CE or related field.
• 5+ years of relevant experience.
• Full-stack development with Microsoft .NET.
• Experience with AI-driven software development tools.
• Strong written and verbal communication.
• Attention to detail and problem-solving.
• Understanding of software design, debugging, and testing.
• Experience documenting software and collaborating in teams.

Responsibilities

• Design and build software solutions by understanding business needs and partners.
• Follow full software development lifecycle with QA handoff.
• Evaluate requirements, risks, and trade-offs before coding.
• Document solutions with diagrams, comments, and readable code.
• Investigate and resolve production incidents with cross-functional teams.
• Mentor junior engineers through code reviews and pairing.
• Continuously learn new tools and best practices, incl. AI workflows.

Skills

Full stack development

Microsoft .NET stack

AI-assisted development

Prompt engineering

Written and verbal communication

Attention to detail

Software design

Software debugging

Teamwork

Education

Bachelor's Degree in Computer Science/Computer Engineering/Related field

Tools

Cursor

GitHub Copilot

Job description

Senior Software Engineer designs and develops business applications and customizes the platforms that support Clean Harbors' field operations, billing, and service workflows. This role balances new development with production support - investigating and resolving data and application issues that impact day-to-day business operations. You'll work as part of a cross-functional team supporting one or more business domains, partnering closely with Product Owners, QA, DBAs, and business stakeholders. Senior Engineers mentor less experienced team members and help raise the technical bar across the team.

Why work for Clean Harbors?

• Health and Safety is our #1 priority and we live it 3-6-5!
• Competitive wages
• Comprehensive health benefits coverage after 30 days of full-time employment
• Group 401K with company matching component
• Own part of Clean Harbors with our Employee Stock Purchase Plan
• Generous paid time off, company paid training and tuition reimbursement
• Positive and safe work environments
• Opportunities for growth and development for all the stages of your career

RESPONSIBILITIES

• Ensures Health and Safety is the number one goal by following policies, processes and acting in a safe manner at all times.
• Design and build software solutions by understanding business needs, partnering with users and product owners, analyzing system flows and data usage, and following the full software development lifecycle.
• Evaluate operational feasibility through thoughtful analysis of requirements, problem definition, and proposed solutions, and identify risks and trade-offs before code is written.
• Document solutions clearly through diagrams, flowcharts, code comments, and readable code so that teammates and future maintainers can understand and extend your work.
• Design and deploy solutions by defining technical specifications, following established standards, and ensuring smooth handoff to QA and production support.
• Investigate and resolve production incidents, including root cause analysis, hotfix coordination, and partnering with Architecture, DBA, and infrastructure teams when issues cross system boundaries.
• Continuously develop your craft by learning new tools, techniques, and best practices, including evolving AI-assisted development workflows.
• Protect business operations by handling confidential information appropriately.
• Surface insights by collecting, analyzing, and summarizing patterns in development work and production issues.
• Mentor less experienced engineers through code reviews, pairing, and knowledge sharing.

QUALIFICATIONS

• Bachelors Degree in Computer Science/Computer Engineering/Related field
• 5+ Years of Relevant experience
• Full Stack developer with experience in the Microsoft .NET stack
• Proficient in using AI software development using code generation tools such as Cursor, GitHub CoPilot, etc.
• Proficient in prompt engineering
• Written and verbal communication skills
• Attention to detail
• Analyzing Information, General Programming Skills, Software Design, Software Debugging
• Software Documentation, Software Testing, Problem Solving, Teamwork
• Software Development Fundamentals, Software Development Process, Software RequirementsTop of Form

40-years of sustainability in action. At Clean Harbors, our mission is to create a safer, cleaner environment through the treatment, recycling, and disposal of hazardous materials. Clean Harbors is the leading provider of environmental, energy and industrial services throughout the United States, Canada, Mexico and Puerto Rico. Everywhere industry meets environment, Clean Harbors is on-site, providing premier environmental, energy and industrial services. We are solving tough problems through innovation and proven methodology - come be part of the solution with us.

Clean Harbors is an equal opportunity employer.

Clean Harbors is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, contact [e-mail] or 1-844-922-5547.

Clean Harbors is a Military & Veteran friendly company.

Please be advised that Artificial Intelligence (AI) tools may be used to support certain stages of the recruitment process but are not used as a replacement for human decision making.

Clean Harbors is committed to complying with applicable pay transparency laws and ensuring fair and equitable compensation. The posted salary range reflects the minimum and maximum target for this role. Final compensation may vary based on factors such as location, experience, skills, and business needs. In addition to the base salary, some roles may be eligible for bonus or incentive compensation and a comprehensive benefits package.

• Category: Information Technology
• Posting Date: 2026-09-30
• Job Schedule: Full time
• Regular or Temporary: Regular
• Job Function: IT Development
• Locations: 42 Longwater Drive
• Pay Range: 62000.00 - 191956.00 Annually