{"id":131282,"url":"https://alion.io/job/cambridge-mobile-telematics-principal-software-engineer-i-cloud","title":"Principal Software Engineer I, Cloud","company":{"id":5662,"name":"Cambridge Mobile Telematics","domain":"cmtelematics.com","url":"https://alion.io/company/cambridge-mobile-telematics","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":88,"open_postings":22,"ghost_share":0,"stale_share":0.5,"repost_share":0,"time_to_fill_p50_days":30,"computed_at":"2026-10-19T05:45:15Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cambridge, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":122000,"max_usd":247000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1093},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"JavaScript","optional":false},{"name":"JQuery","optional":false},{"name":"Python","optional":false},{"name":"TypeScript","optional":false},{"name":"Angular","optional":true},{"name":"AWS","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-07-28T20:39:39Z","employer_posted_date":"2026-08-26","last_verified_at":"2026-10-19T23:36:04Z","board_verified":true,"closed_at":null,"days_open":83,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":82},"description":"CMT is seeking a collaborative, customer-committed, and creative Principal Software Engineer I, Cloud to join our signal acquisition group and help us make roads safer by making drivers better. In this role, you will design and implement scalable architectures to reliably collect and manage telematics data from diverse 3rd-party sources including delivery platforms, automotive OEMs, and telematics service providers transforming these complex datasets into unified, actionable insights that power global safety and risk-assessment programs.\nResponsibilities: \nCollaborate closely with development teams, product managers, and stakeholders to conceptualize and innovate software solutions \nArchitect and oversee client-side and server-side systems, setting the technical direction for complex projects \nAct as a mentor and technical leader, providing guidance and knowledge transfer to junior and mid-level engineers. \nSpearhead the creation of visually appealing front-end applications while pushing the boundaries of user experience design \nManage and optimize high-performance databases and applications, ensuring seamless data flow and system stability \nDevelop robust APIs that seamlessly integrate with various components of the software ecosystem\nImplement rigorous testing procedures to guarantee software responsiveness, scalability, and efficiency \nDiagnose, troubleshoot, and execute software enhancements, elevating system performance.\nEstablish and maintain advanced security protocols and data protection measures to safeguard sensitive information \nLead the development of innovative features and applications with a relentless focus on mobile-responsive design \nComplete any additional tasks as they arise \nQualifications: \nBachelor’s degree or equivalent years of experience and/or certification in Computer Science or a related field \n 7+ years of relevant working experience in web application development, showcasing an exceptional command of programming concepts \nMastery of contemporary HTML/CSS, jQuery, and an in-depth understanding of their application in modern web development\nProficiency in Python and JavaScript/TypeScript, with a demonstrated ability to architect and deliver solutions across the software stack \nExpertise in developing, optimizing, and maintaining web applications, APIs, and databases to deliver top-notch performance and functionality \nComprehensive knowledge of relational database systems and their seamless integration into complex software projects \nA deep understanding of the intricate workings of web applications, coupled with the ability to optimize performance\nNice to Haves: \nStrong knowledge in web security and session management\nExperience with the AWS ecosystem\nAbility to work independently when needed \nAbility to learn quickly \nFamiliarity with modern JS frameworks such as React or Angular \nHands-on experience with network diagnostics, network analytics tools\nCompensation and Benefits: \n Fair and competitive salary based on skills and experience, and annual performance bonus \nEquity may be awarded in the form of Restricted Stock Units (RSUs) \n Medical, Dental, Vision and Life Insurance, matching 401k, short-term & long-term disability and parental leave \n Unlimited Paid Time Off including vacation, sick days & public holidays \n Flexible scheduling and work from home policy depending on role and responsibilities\nBase Salary Range\nThe base salary range for this position is: $167,200 to $209,000. This range is specifically for Cambridge, MA\nAdditional Perks: \n Work on a mission with real impact: crashes prevented, injuries avoided, lives protected around the world \n Join an industry leader - 65 million drivers protected, powering 140+ programs across 25 countries\nRecognized innovator in mobility AI, earning top honors including the TIME Industry Leader in AI, a Gold Edison Award, and the Artificial Intelligence Excellence Award for AI for Social Good. CMT is also Great Place to Work Certified \n Be part of the team inventing the future of mobility and road safety \n Move fast, own outcomes, do work that matters \n High ownership, small teams, and direct access to leadership - no layers between your work and its impact \n Unlimited PTO, flexible scheduling, competitive salary, annual performance bonus, RSUs, and full benefits including medical, dental, vision, and 401k match \n Summer Fridays provide team members with half days to recharge \n Join one of our employee resource groups: Black, AAPI, LGBTQIA+, Women, Book Club, and Health & Wellness \n Comprehensive wellness, education, and employee assistance programs\nCommitment to Diversity and Inclusion: \nAt CMT, we believe the best ideas come from a mix of backgrounds and perspectives. \nWe are an equal-opportunity employer committed to creating a workplace and culture where everyone feels valued, respected, and empowered to bring their unique talents and perspectives. Diversity is essential to our success, and we actively seek candidates from all backgrounds to join our growing team. \nWe do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status or disability state. CMT is headquartered in Cambridge, MA. To learn more, visit www.cmtelematics.com and follow us on Instagram @cmt.ai \nAbout Cambridge Mobile Telematics: \nCambridge Mobile Telematics (CMT) is the world’s largest telematics and AI company for safer mobility. Its mission is to make the world’s roads and drivers safer. The company’s AI-driven platform, DriveWell Fusion®, proactively identifies and reduces driving risk, leading to fewer crashes and injuries. To date, CMT’s technology has helped prevent over 126,000 crashes worldwide. CMT enables partners to measure risk, detect crashes, provide life-saving assistance, and streamline claims. Headquartered in Cambridge, MA, CMT operates globally with offices in Budapest, Hungary; Chennai, India; Seattle, Washington; Tokyo, Japan; and Zagreb, Croatia. Learn more at www.cmt.ai.","description_format":"text","description_chars":6024,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["401k plan","Equity","Life insurance","Parental leave","Restricted stock units","Unlimited PTO"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Fleet Management","InsurTech"],"lifecycle":[{"event":"open","at":"2026-07-28T20:39:39Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 15 · green card filings: 6","filings_12m":15,"filings_prev_12m":15,"green_card_filings_12m":6,"median_offered_wage_usd":143929,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":9}],"liveness":{"score":10,"band":"cold","label":"Long shot","p_open":1,"p_active":0.345,"p_room":0.28,"age_days":82,"expected_fill_days":30,"reasons":["conf:1","stale_co","velocity","win:tail","crowd:"],"computed_at":"2026-10-19T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/cambridge-mobile-telematics-principal-software-engineer-i-cloud","json_url":"https://alion.io/job/cambridge-mobile-telematics-principal-software-engineer-i-cloud.json","meta":{"generated_at":"2026-10-20T00:34:23Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":662,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":5662},"rest":"https://alion.io/mcp/rest/get_company?id=5662"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcambridge-mobile-telematics-principal-software-engineer-i-cloud"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fcambridge-mobile-telematics-principal-software-engineer-i-cloud"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fcambridge-mobile-telematics-principal-software-engineer-i-cloud"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/cambridge-mobile-telematics-principal-software-engineer-i-cloud\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcambridge-mobile-telematics-principal-software-engineer-i-cloud"}]}