{"id":2935993,"url":"https://alion.io/job/fidelity-investments-principal-software-engineer-ai-engineering","title":"Principal Software Engineer (AI Engineering)","company":{"id":21095,"name":"Fidelity Investments","domain":"fidelity.com","url":"https://alion.io/company/fidelity","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":98,"open_postings":10,"ghost_share":0,"stale_share":0.3,"repost_share":0,"time_to_fill_p50_days":18,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dublin, Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":82000,"max_usd":170000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":12},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Claude Code","optional":false},{"name":"Copilot","optional":false},{"name":"JavaScript","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false}],"status":"live","first_seen_at":"2026-10-14T00:00:00Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-23T08:42:01Z","board_verified":false,"closed_at":null,"days_open":12,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":12},"description":"Job Description:\nThe Role\nAs a Principal Software Engineer you will work within highly collaborative, multi-functional team committed to improving the value of our technology solutions by delivery leading edge AI capabilities to our engineering teams. Our team blend deep technology & business expertise with a passion for exploring and implementing new emerging technologies while working in an open and transparent way. We are passionate about opensource contribution, sharing our expertise and knowledge with the engineering community, participating in foundations like FINOS while embracing a continuous learning approach support by a dedicated learning day each week.\nThe Expertise and Skills You Bring\nHands-on experience in 2 or more languages (Python, Go, Javascript, Rust etc.)\nHands-on experience with AI based tooling (GitHub Copilot, Claude code etc)\nAdvocate for software engineering best practices and principles. \nPassionate for new AI technologies\nPassion for a continuous learning culture.\nBonus skills\nExperience building Agents, Skills or AI driven workflows.\nThe Team\nThis is an opportunity for a highly motivated Software Engineer to join Fidelity Architecture and Engineering (FAE) and work in a diverse, open and transparent culture where you will contribute to powering the next generation of Fidelity’s digital services through innovative solutions using the latest cloud native technologies and leading-edge engineering practices.\nCompany Overview\nAt Fidelity, we are passionate about making our financial expertise broadly accessible and effective in helping people live the lives they want! We are a privately held company that places a high degree of value in creating and nurturing a work environment that attracts the best talent and reflects our commitment to our associates. We are proud of our diverse and inclusive workplace where we respect and value our associates for their unique perspectives and experiences. For information about working at Fidelity, visit FidelityCareers.com. Fidelity Investments is an equal opportunity employer.\nFidelity will reasonably accommodate applicants with disabilities who need adjustments to complete the application or interview process. Please email us at  or call 800-835-5099, prompt 2, option 2 if you would like to request an accommodation.\nCategory:\nInformation Technology","description_format":"text","description_chars":2380,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Wealth Management & Financial Advisors","Asset Management & Funds","Online Brokerage & Trading Platforms"],"lifecycle":[{"event":"open","at":"2026-10-20T16:06:42Z"}],"visa":[],"liveness":{"score":70,"band":"hot","label":"Hiring now","p_open":0.9,"p_active":0.863,"p_room":0.9,"age_days":12,"expected_fill_days":18,"reasons":["conf:69","velocity","win:mid","comp:brand"],"computed_at":"2026-10-26T05:57:25Z"},"pay":null,"html_url":"https://alion.io/job/fidelity-investments-principal-software-engineer-ai-engineering","json_url":"https://alion.io/job/fidelity-investments-principal-software-engineer-ai-engineering.json","meta":{"generated_at":"2026-10-26T09:20:19Z","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":12557,"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":21095},"rest":"https://alion.io/mcp/rest/get_company?id=21095"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffidelity-investments-principal-software-engineer-ai-engineering"},{"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%2Ffidelity-investments-principal-software-engineer-ai-engineering"},{"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%2Ffidelity-investments-principal-software-engineer-ai-engineering"},{"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/fidelity-investments-principal-software-engineer-ai-engineering\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffidelity-investments-principal-software-engineer-ai-engineering"}]}