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Senior Founding Engineer Jobs in Boston, MA (NOW HIRING)

Farsyt

Founding Senior Software Engineer

Cambridge, MA · On-site

$135K - $177K/yr

They are seeking a Founding Senior Software Engineer to work directly with the founders to build the core product, architect systems, and design AI-powered workflows. Responsibilities : • Architect ...

Farsyt

Founding Senior Software Engineer

Cambridge, MA · On-site

$133K - $176K/yr

Strong backend engineering skills -- you've built and scaled real systems (we use Python, but care ... The Team You'd be joining the founding technical team, with direct input into what gets built and ...

Farsyt

Founding Software Engineer

Cambridge, MA · On-site

$120 - $170/hr

Role Description You'll work closely with the founders and early engineers to build core product ... may be more senior than this role suggests. We are an equal opportunity employer and value ...

Farsyt

Software Engineer

Cambridge, MA · On-site

The Team You'd be joining the founding technical team, with direct input into what gets built and ... may be more senior than this role suggests. We are an equal opportunity employer and value ...

Proton.ai

Founding GTM Engineer

Cambridge, MA · On-site

$90K - $120K/yr

Founding GTM Engineer About Proton Proton is building the AI infrastructure for wholesale ... This is a senior IC role. You'll write the workflows, build the dashboards, and ship the systems ...

Proton.ai

Founding GTM Engineer

Cambridge, MA · On-site

$90K - $120K/yr

Founding GTM Engineer About Proton Proton is building the AI infrastructure for wholesale ... This is a senior IC role. You'll write the workflows, build the dashboards, and ship the systems ...

VHB

Senior Structural Engineer Part Time

Watertown, MA · Hybrid

$50 - $76/hr

ABOUT THE POSITION Senior Structural Engineer | Temp / Part-time VHB's structural engineering group ... Since our founding, we have intentionally fostered a culture of inclusion and belonging, supported ...

VHB

Senior Structural Engineer - Part Time

Boston, MA · Hybrid

$50 - $76/hr

Overview ABOUT THE POSITION Senior Structural Engineer | Temp / Part-time VHB's structural ... Since our founding, we have intentionally fostered a culture of inclusion and belonging, supported ...

VHB

Senior Structural Engineer - Part Time

Watertown, MA · Hybrid

$50 - $76/hr

Overview ABOUT THE POSITION Senior Structural Engineer | Temp / Part-time VHB's structural ... Since our founding, we have intentionally fostered a culture of inclusion and belonging, supported ...

VHB

Senior Structural Engineer - Part Time

Watertown, MA · On-site

$50 - $76/hr

Overview ABOUT THE POSITION Senior Structural Engineer | Temp / Part-time VHB's structural ... Since our founding, we have intentionally fostered a culture of inclusion and belonging, supported ...

Blitzy

Senior Front End Engineer

Cambridge, MA · On-site

$150K - $185K/yr

Location: 1 Kendall Square, Cambridge, MA (On-Site) Compensation: $150,000 - $185,000 The Role We're looking for an exceptional Senior Frontend Engineer to join our founding team and lead our ...

Socket.dev

Founding Data Analyst

Boston, MA · On-site

$120 - $180/hr

You'll work directly with our SVP, Finance & Operations and collaborate across Commercial/GTM ... Partner with Analytics Engineer to validate pipelines and metric definitions. * Turn messy datasets ...

Counsel Health

Founding Data Analyst

Boston, MA · On-site

$90 - $140/hr

You'll work directly with our SVP, Finance & Operations and collaborate across Commercial/GTM ... Partner with Analytics Engineer to validate pipelines and metric definitions. * Turn messy datasets ...

BioTalent

Founding Scientific Lead

Boston, MA · On-site

... senior scientist, helping bridge cutting-edge biology, AI, and automation. This individual will ... You will partner closely with engineering, AI, and product teams to define scientific standards ...

VHB

Senior Traffic Engineer

Watertown, MA · Hybrid

$105K - $130K/yr

ABOUT THE POSITION VHB is seeking a Senior Traffic Engineer to join our growing Transportation ... Since our founding, we have intentionally fostered a culture of inclusion and belonging, supported ...

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All JobsFounding Engineer JobsSenior Founding Engineer JobsSenior Founding Engineer Jobs in Boston, MA

Senior Founding Engineer information

See Boston, MA salary details

$64.6K

$137.5K

$199.4K

How much do senior founding engineer jobs pay per year?

As of Aug 23, 2026, the average yearly pay for senior founding engineer in Boston, MA is $137,492.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,500.00 and $155,900.00 per year, depending on experience, location, and employer.

What is a senior founding engineer?

Senior Founding Engineers are experienced technical professionals who join a startup at its earliest stages, often as part of the founding team. They are responsible for designing and building the initial product architecture, making critical technical decisions, and setting engineering best practices. In addition to hands-on coding, they often help shape the company's culture, contribute to hiring, and may participate in strategic business decisions. Their work significantly impacts the company's trajectory and future growth.

How does a senior founding engineer balance hands-on technical work with strategic decision-making in an early-stage startup?

As a Senior Founding Engineer, you’ll often juggle direct coding responsibilities with broader technical leadership tasks, such as setting architectural direction and influencing early product decisions. In a small, agile team, you’ll collaborate closely with other founders, designers, and sometimes initial customers to iterate rapidly on features while ensuring scalability and maintainability. The role demands adaptability—shifting between solving immediate technical problems and long-term planning to support growth. This dual focus is both a challenge and an opportunity for career development, as it provides visibility into all aspects of building a product and company from the ground up.

What are the key skills and qualifications needed to thrive as a senior founding engineer?

To thrive as a Senior Founding Engineer, you need deep expertise in software engineering, product development, and startup environments, usually demonstrated by a strong technical background and experience launching products from scratch. Familiarity with modern programming languages, cloud platforms, version control (e.g., Git), and agile development tools is essential, and experience with system architecture or DevOps is highly valued. Leadership, adaptability, and excellent problem-solving skills set standout candidates apart, as does the ability to communicate complex ideas to both technical and non-technical stakeholders. These skills are crucial for driving technical innovation, building scalable products, and shaping the culture and success of an early-stage startup.

What is the difference between Senior Founding Engineer vs Lead Software Engineer?

AspectSenior Founding EngineerLead Software Engineer
CredentialsTypically requires a bachelor's or master's in computer science or related field, with extensive experienceSimilar educational background, often with several years of software development experience
Work EnvironmentEarly-stage startups or new company divisions, often wearing multiple hatsEstablished teams within companies, focusing on project leadership and technical guidance
Industry UsageCommon in startups, tech companies, and entrepreneurial venturesWidely used across tech firms, especially in mid to large-sized organizations
Search & Comparison IntentUnderstanding roles in startup environments, founding responsibilitiesClarifying leadership roles in software development teams

The main difference is that a Senior Founding Engineer is typically an early team member in a startup, often involved in building the product from the ground up, while a Lead Software Engineer usually operates within established organizations, leading project teams and overseeing technical execution.

What are the most commonly searched types of Founding Engineer jobs in Boston, MA?

The most popular types of Founding Engineer jobs in Boston, MA are:

What are popular job titles related to Senior Founding Engineer jobs in Boston, MA?

For Senior Founding Engineer jobs in Boston, MA, the most frequently searched job titles are:

What job categories do people searching Senior Founding Engineer jobs in Boston, MA look for?

The top searched job categories for Senior Founding Engineer jobs in Boston, MA are:

Senior Founding Engineer jobs near you
Infographic showing various Senior Founding Engineer job openings in Boston, MA as of August 2026, with employment types broken down into 85% Full Time, 8% Part Time, 2% Temporary, and 5% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $137,492 per year, or $66.1 per hour.

Founding Senior Software Engineer

Farsyt

Cambridge, MA • On-site

$135K - $177K/yr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Job Summary:
Farsyt is an AI-native insurance services company reimagining how insurance is bought, sold and operated. They are seeking a Founding Senior Software Engineer to work directly with the founders to build the core product, architect systems, and design AI-powered workflows.
Responsibilities:
• Architect and build core systems (backend, APIs, data models)
• Design AI-powered workflows that replace manual operations
• Integrate with fragmented, unreliable real-world systems (external tools, documents, communication layers)
• Build production-grade automation systems powered by LLMs (reliability, evaluation, and failure handling matter)
• Design and operate asynchronous, event-driven systems (queues, workers, long-running tasks)
• Ship fast — from idea → production in days, not months
• Make foundational technical decisions that define the company
Qualifications:
Required:
• 5+ years building production systems
• Strong backend engineering skills — you’ve built and scaled real systems (we use Python, but care more about depth than specific frameworks)
• Experience with cloud infrastructure (AWS, GCP, or similar)
• Experience building systems from scratch
• Comfortable operating in ambiguity and moving quickly
• Experience with modern AI tooling (LLMs, RAG, agent frameworks) and an understanding of making them reliable in production (evaluation, structured outputs, failure handling)
• Strong systems thinking — you think beyond individual features
• Product intuition — you care about what gets built, not just how
Preferred:
• Experience with voice, email, or messaging systems
• Familiarity with fintech, insurance, or regulated environments
Company:
AI-native insurance services, built from the ground up. Founded in 2026, the company is headquartered in Cambridge, Massachusetts, US, , with a team of 2-10 employees. The company is currently Early Stage.

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