Skills this job asks for
AgileJavaScriptTypeScriptReactDjangoREST APIsPythonAWSPostgreSQL
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Sponsorship verdict
Sponsorship possible
One solid signal, not two. Worth applying, and worth asking about sponsorship early.
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✓
Employer is on a government sponsor recordThe US Department of Labor certified 12 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest May 2026) — the step every H-1B hire needs first.
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The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
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No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area.
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✓
What Cambridge Mobile Telematics INC paid sponsored hires in similar roles3 certified filings for “Software Engineer II, Full Stack” (Software Developers) in MA: $116k–$178k, median $155k.
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✓
Confirmed live todayWhen a source last listed this job as open.
Details and sources
- Employer is on a government sponsor record
- The US Department of Labor certified 12 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest May 2026) — the step every H-1B hire needs first. Source: LCA disclosure data (US Department of Labor (OFLC)).
- No salary bar for this route
- H-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
- What Cambridge Mobile Telematics INC paid sponsored hires in similar roles
- 3 certified filings for “Software Engineer II, Full Stack” (Software Developers) in MA: $116k–$178k, median $155k. Most were filed at wage level I (33%) — 1 lottery entry, ≈15% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
A verdict summarises public evidence. It is not legal advice and never a guarantee: the employer and the immigration authority decide. Sign in to factor in where you can already work.
About the role
As a Senior Fullstack Software Engineer at CMT, you’ll design, build, and maintain scalable web applications that power our telematics platform. You’ll work across the tech stack—from intuitive user interfaces to robust backend systems—solving complex problems in collaboration with product, design, and data teams. This is a hands-on engineering role for someone who thrives in a fast-paced environment, mentors others, and brings a strong sense of ownership and curiosity. Your work will directly impact how users experience CMT’s products and contribute to our mission of making roads safer around the world.
CMT is looking for a Senior Software Engineer, Full Stack to help us change the world. CMT has helped protect over 65 million drivers and prevent over 126,000 crashes worldwide. We build AI to solve some of the most difficult challenges in mobility — understanding and reducing risk, detecting crashes, and getting people life-saving help. The problems are hard. The impact is real. No matter your role, your work will matter at CMT.
In this role you'll help build innovative new products such as StreetVision on top of CMT’s massive body of aggregated, anonymized driving data to enable traffic safety officials, transportation planners, research institutions, and engineers to improve road safety and reduce crashes. You’ll be part of a small, agile team driving new product development for our newly formed Geospatial product group.
Responsibilities:
• Solve complex problems and transform them into business solutions in collaboration with team members
• Analyze and translate business and functional specifications and change requests into technical specifications suitable for implementation
• Able to independently transform complex technical requirements into smaller implementable pieces; able to implement performant software solutions that are maintainable, scalable, reliable and testable
• Participate in code and design reviews
• Participate in the hiring process
• Train and guide junior developers on proper software development procedures and methods
• Follow company defined development and operational standards and processes
• Provide on-call support during business critical emergency scenarios. Support and troubleshoot production issues as needed.
• Complete any additional tasks as they arise
Qualifications:
• Bachelor’s degree or equivalent years of experience and/or certification in a technical field
• 4+ years of relevant experience
• Experience developing web applications and proficiency in web technologies (HTML, CSS, JavaScript, TypeScript).
• Experience with web frameworks like React and Django is a plus.
• Experience designing or developing Restful APIs or web services
• Knowledge of a backend development language like Python
• Comfortable working with AWS services: EC2, S3, Lambda, SNS, SQS, RDS (Postgres), NoSQL
• Understanding of Agile development methodologies (specifically SCRUM)
• Excellent communication and collaboration skills
• Customer obsessed, demonstrates initiative, has a learning mindset, takes ownership
• Proven ability to deliver results
• An analytical mindset
Nice to Haves:
• Experience with React UI and Typescript/Javascript
• Experience creating modern web applications
• Experience with Geospatial and/or map-based visualization (Deck.gl, Google Maps)
• Experience with data visualization frameworks (eCharts)
Compensation and Benefits:
• Fair and competitive salary based on skills and experience, and annual performance bonus
• Equity may be awarded in the form of Restricted Stock Units (RSUs)
• Medical, Dental, Vision and Life Insurance, matching 401k, short-term & long-term disability and parental leave
• Unlimited Paid Time Off including vacation, sick days & public holida
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