{"id":3091802,"url":"https://alion.io/job/liberty-mutual-group-principal-software-engineer-3","title":"Principal Software Engineer","company":{"id":712,"name":"Liberty Mutual Group","domain":"libertymutualgroup.com","url":"https://alion.io/company/liberty-mutual","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":{"grade":"A","score":100,"open_postings":9,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":12,"computed_at":"2026-10-26T05:57:25Z"}},"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":["Boston, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":124000,"max_usd":248000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1231},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Nest.JS","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true},{"name":"Node JS","optional":true}],"status":"live","first_seen_at":"2026-10-22T15:06:24Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-26T18:37:38Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Description\nLiberty Mutual is building the future of Surety Underwriting through the modernization and globalization of our technology platform, and we’re looking for a Principal Software Engineer to help lead that effort. In this role, you’ll work within GRS Distribution & Underwriting Technology, specifically Product Enablement, helping shape the technical direction for the Surety domain as we evolve from legacy systems to a modern React, TypeScript, NestJS, and AWS-based architecture. You’ll partner with engineering leadership, solution engineers, product partners, and delivery teams to design scalable solutions, guide execution, and help deliver a more modern and globally capable Surety platform.This is a role for someone who thrives in complex environments, enjoys solving ambiguous problems, and can balance near-term delivery needs with long-term technical health. You’ll partner closely with fellow Principal engineers, engineering leadership, solution engineers, product partners, and delivery teams to design practical, scalable solutions and guide execution from concept through implementation.\nWhat you’ll do\nHelp shape the technical direction for Surety underwriting modernization, including the transition from legacy systems to a modern React / NestJS platform\nPartner with product, engineering, and delivery teams to translate Surety business needs into scalable, globally capable technical solutions\nProvide technical guidance and design support for contractor-led delivery teams to improve consistency, quality, and execution predictability\nProvide technical leadership and architectural guidance for one or more engineering teams\nLead design discussions and help shape system and application-level solutions\nReview and influence technical decisions to improve quality, consistency, maintainability, and scalability\nMentor engineers and help raise the technical bar across the teams\nWhy join us\nThis is an opportunity to make a meaningful technical impact in a business-critical area while helping shape the evolution of Surety technology within a major enterprise organization. You’ll have the chance to work on complex problems, influence architecture and delivery, and help build systems that support long-term growth and modernization.\nQualifications\nExperience\nEight or more years of software engineering experience\nStrong background in business operations and strategies, including global technology and financial services trends\nHands-on involvement with layered systems architectures, designs and shared software concepts \nFamiliarity with functional and system integration testing\nExperience working in an agile environment\nSkills\nExcellent negotiation, facilitation and consensus-building capabilities\nOpenness and adaptability to respond to fast-moving circumstances\nProficiency in multiple object-oriented programming languages and tools\nExcellent oral and written communication skills\nAptitude for working in teams\nKnowledge\nIn-depth knowledge of diverse and emerging technologies, architectural concepts and principles\nA deep understanding of layered solutions and designs\nAwareness of policies regarding security and privacy\nUnderstanding of backlog tracking, burndown metrics and incremental delivery\nEducation\nA Bachelor’s or Master’s degree in a technical or business discipline, or equivalent experience \nEmployees may apply for a new role after completing 12 months of employment in their current position.\nEmployees should review all role requirements and apply only for positions for which they are eligible. Hiring processes may vary by country, including differences in procedures, requirements, and timelines. For country-specific details, please consult your local recruiting / HR team.\nTravel\n10%","description_format":"text","description_chars":3751,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Property & Casualty Insurance"],"lifecycle":[{"event":"open","at":"2026-10-22T15:06:24Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 42 · green card filings: 5","filings_12m":42,"filings_prev_12m":49,"green_card_filings_12m":5,"median_offered_wage_usd":130372,"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":4}],"liveness":{"score":89,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.892,"p_room":1,"age_days":3,"expected_fill_days":12,"reasons":["conf:1","velocity","win:early","comp:brand"],"computed_at":"2026-10-26T05:57:25Z"},"pay":null,"html_url":"https://alion.io/job/liberty-mutual-group-principal-software-engineer-3","json_url":"https://alion.io/job/liberty-mutual-group-principal-software-engineer-3.json","meta":{"generated_at":"2026-10-26T18:39:02Z","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":25004,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"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":712},"rest":"https://alion.io/mcp/rest/get_company?id=712"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fliberty-mutual-group-principal-software-engineer-3"},{"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%2Fliberty-mutual-group-principal-software-engineer-3"},{"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%2Fliberty-mutual-group-principal-software-engineer-3"},{"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/liberty-mutual-group-principal-software-engineer-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fliberty-mutual-group-principal-software-engineer-3"}]}