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Small Startup Jobs in Massachusetts (NOW HIRING)

We are a fast paced, nimble startup where no job is too big or small, and where we strive to ask ourselves the hard questions before problems arise. XL Batteries is an equal opportunity employer.

Solutions Architect, Frontier AI Startups

Boston, MA · On-site

$68.50 - $90.25/hr

The companies defining the future of AI are a small number of startups training, tuning, and ... For someone who understands that for a startup, the right technical decision and the right business ...

Solutions Architect, Frontier AI Startups

Boston, MA · On-site

$68.50 - $90.25/hr

The companies defining the future of AI are a small number of startups training, tuning, and ... For someone who understands that for a startup, the right technical decision and the right business ...

... small, intense, and high-growth environment - Ability to rapidly prototype real features in a startup environment - You know and can admit when something is not great. You can recognize that ...

... small, intense, and high-growth environment - Ability to rapidly prototype real features in a startup environment - You know and can admit when something is not great. You can recognize that ...

... startup environment - Creative and innovative - Desire to work with a team aiding in drug discovery - Enjoy a fast paced environment - taking on new projects daily/weekly - Work well in a small ...

Showing results 21-40

Small Startup information

See Massachusetts salary details

$13

$24

$40

How much do small startup jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for small startup in Massachusetts is $24.11, according to ZipRecruiter salary data. Most workers in this role earn between $19.71 and $26.78 per hour, depending on experience, location, and employer.

What is a small startup?

A Small Startup job typically involves working in a fast-paced, early-stage company where employees take on multiple roles. These jobs require adaptability, creativity, and a willingness to solve challenges with limited resources. Unlike large corporations, startups offer more hands-on experience, direct collaboration with founders, and opportunities for growth. However, they may also come with uncertainties such as fluctuating funding and evolving job responsibilities. Joining a startup can be a great way to gain exposure to various aspects of a business and make a significant impact early in your career.

What are the key skills and qualifications needed to thrive in a small startup?

To thrive in a Small Startup, strong entrepreneurial drive, versatility, and a willingness to take on multiple responsibilities are crucial, often supported by foundational business, technical, or marketing knowledge. Familiarity with productivity tools such as project management platforms, CRM systems, and basic accounting software is important. Adaptability, proactive problem-solving, and effective communication are key soft skills that set individuals apart in fast-changing startup environments. These abilities enable rapid iteration, seamless teamwork, and the ability to navigate uncertainty, all of which are essential for startup success.

What should I expect in terms of team structure and collaboration when working at a small startup?

At a small startup, teams are usually lean and highly collaborative, which means you may work closely with founders, early employees, and cross-functional partners. Everyone is encouraged to contribute ideas and take initiative, often wearing multiple hats and pitching in outside their official job descriptions. This environment fosters continuous learning and quick decision-making but also requires flexibility and open communication. You'll have the chance to see the direct impact of your work and may even influence key company decisions. For those seeking hands-on experience and growth, startups offer a dynamic atmosphere perfect for rapidly developing new skills.

What are the most commonly searched types of Small Startup jobs in Massachusetts?

The most popular types of Small Startup jobs in Massachusetts are:

What job categories do people searching Small Startup jobs in Massachusetts look for?

The top searched job categories for Small Startup jobs in Massachusetts are:

What cities in Massachusetts are hiring for Small Startup jobs?

Cities in Massachusetts with the most Small Startup job openings:

Infographic showing various Small Startup job openings in Massachusetts as of August 2026, with employment types broken down into 54% Full Time, and 46% Part Time. Highlights an 74% In-person, and 26% Remote job distribution, with an average salary of $50,156 per year, or $24.1 per hour.

Chemical Process Engineer

XL Batteries

Marlborough, MA • On-site

$120 - $160/hr

Other

Medical, Dental, Vision, Retirement

Posted 19 days ago


Job description

Requisition Number: XL2026-006 Position: Chemical Process Engineer Location: Marlborough, MA About Us

XL Batteries, a Massachusetts-based development stage company focused on long duration energy storage at the grid level. We are growing a highly collaborative team with the addition of a Chemical Process Engineer. Our mission is to create a safe, low-cost and reliable grid‑scale battery that will enable the transition of the grid from fossil fuels to renewable sources. We are a fast paced, nimble startup where no job is too big or small, and where we strive to ask ourselves the hard questions before problems arise.

XL Batteries is an equal opportunity employer.

About Our Location

Marlborough, MA is a beautiful small city in central Massachusetts, surrounded by quaint Massachusetts towns and within a day‑trip distance of the Berkshires, White Mountains, and Cape Cod. For those who prefer a more urban lifestyle, we are located directly off I‑495 within easy commuting distance of Boston and Cambridge (30‑40 minutes), Worcester (25 minutes), Nashua, NH (45 minutes) and Providence, RI (50 minutes).

Role Description

The Chemical Process Engineer is a full‑time, on‑site role based in Marlborough, MA, responsible for developing, optimizing, and scaling chemical processes for XL Batteries’ Organic Flow Battery™ systems. Day‑to‑day tasks include designing and modeling process flows, specifying equipment, and conducting experiments and pilot‑scale trials to validate process & battery performance. The role involves monitoring and improving process control strategies, analyzing data to identify efficiencies, and implementing changes that enhance safety, quality, and cost‑effectiveness. The engineer collaborates closely with R&D, manufacturing, and operations teams to transfer new chemistries into production and troubleshoot issues in existing processes. Responsibilities also include preparing technical documentation, supporting regulatory and safety compliance, and contributing to continuous improvement initiatives in a dynamic startup environment.

Required Skills & Experience

  • Strong foundation in Chemical Process Engineering and Process Engineering, with experience in industrial or pilot‑scale environments.
  • Background in the Chemical Industry or closely related fields, ideally involving electrochemical systems, batteries, or energy storage
  • Demonstrated success scaling processes from lab/pilot to commercial scale.
  • Strong command of PFDs, P&IDs, mass/energy balances, control strategies, HAZOP, and regulatory documentation.
  • Track record delivering plants or major process units safely, on schedule, and on budget.
  • Excellent cross‑functional communication, documentation, and project leadership
  • Skills in Process Design, including flowsheet development, equipment specification, and scale‑up from lab to production
  • Hands‑on lab or plant experience, including experimental design, process scale‑up & optimization, troubleshooting, and root‑cause analysis.
  • Knowledge of safety, environmental, and regulatory standards relevant to chemical processing.

Preferred Qualifications

  • 5+years Bachelor’s or Master’s degree in Chemical Engineering or a closely related engineering discipline.
  • Proficiency in process simulation and data analysis tools (e.g., Aspen, MATLAB, Python, or similar software) and experience using AI tools to accelerate technical documentation
  • Ability to work on‑site in Marlborough, MA, collaborate in cross‑functional teams, 'go‑to‑market' partners
  • Experience managing and communicating effectively with 'go‑to‑market' partners, engineering firms and ability to communicate complex technical & engineering concepts clearly.
  • Experience in startup or fast‑paced environments and an interest in sustainable energy technologies is a plus.
  • Travel: 20‑25%
Compensation & Benefits

We offer competitive salary (+equity) and benefits, including healthcare, dental, vision, and a retirement plan

Application Process

Apply through xl-batteries.breezy.hr

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