{"id":3724579,"url":"https://alion.io/job/fidelity-investments-principal-software-engineer-python-oracle-aws","title":"Principal Software Engineer (Python, Oracle, AWS)","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":100,"open_postings":33,"ghost_share":0,"stale_share":0.091,"repost_share":0.121,"time_to_fill_p50_days":19,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Boston, United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":107000,"max":216000,"currency":"USD","period":"year","gross":null,"usd_annual":216000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"LLM","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-11-03T00:00:00Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-05T23:36:05Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Fidelity will not provide immigration sponsorship for this position.\nJob Description:\nThe Role\nYou are an experienced engineer with a deep hands-on experience developing systems and products with a burning desire to deliver software solutions which unlock the capabilities of Generative AI in the context of a professional domain such as finance. You are passionate about this opportunity to help drive and deliver first-of-a-kind knowledge-based applications for investment professionals.\nYou have prior experience in developing and crafting products using constantly evolving, powerful yet brittle, AI technology. You are comfortable working in a fast-paced environment where the lag between conceptualization, research, development, and productionization is constantly shortening. You are skilled at working with architecture and engineering stakeholders. You enjoy mentoring junior contributors, helping them grow and learn new skills in today’s engineering field. You are a critical thinker who revels in working as part of a team to deliver the most amount of value in the least amount of time.\nThe Expertise and Skills You Bring\nA Bachelor’s or Master's Computer Science or relevant field, with five years plus of industrial experience.\nProficient in deploying software products into production capable of handling large volumes of data at scale.\nDesign, develop, and maintain robust, scalable, and secure Python-based applications and services.\nStrong understanding of Python internals, performance tuning, and advanced language features.\nWrite clean, idiomatic, and well-documented Python code following PEP8 and enterprise coding standards.\nOptimize Python applications for performance, memory usage, and concurrency.\nAbility to orchestrate solutions within a cloud based environment\nStrong understanding of standard methodologies for large scale application design, SOA, microservices, distributed compute, containers, and use of the cloud.\nAn understanding of how to deliver into production GenAI applications that can reliably process information in open-ended settings.\nStrong attention to detail with a passion for validation and verification of software components.\nStrong communication skills and the ability to work with distributed team members.\nThe Team\nWe are developing a Large Language Model (LLM)-first knowledge stack for investment professionals at Fidelity Asset Management - analysts and portfolio manager in equities, fixed income, high income, direct lending. The stack will be able to process all the documents of interest to analysts - e.g., analyst reports, earnings notes, spreadsheet models, prospectuses, loan indentures, news reports, regulatory filings. It will support the deployment of personalized assistants that can assist principals in their full range of information consumption/processing/production tasks.\nFidelity’s Onsite Working Model\nFidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.\nThe base salary range for this position is $107,000-216,000 USD per year. Placement in the range will vary based on job responsibilities and scope, geographic location, candidate’s relevant experience, and other factors.\nBase salary is only part of the total compensation package. Depending on the position and eligibility requirements, the offer package may also include bonus or other variable compensation.\nWe offer a wide range of benefits to meet your evolving needs and help you live your best life at work and at home. These benefits include comprehensive health care coverage and emotional well-being support, market-leading retirement, generous paid time off and parental leave, charitable giving employee match program, and educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career. Note, the application window closes when the position is filled or unposted.\nPlease be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.\nCertifications:\nCategory:\nInformation Technology","description_format":"text","description_chars":4722,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Parental leave"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Wealth Management & Financial Advisors","Asset Management & Funds","Online Brokerage & Trading Platforms"],"lifecycle":[{"event":"open","at":"2026-11-04T04:34:59Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":19,"reasons":["conf:5","velocity","win:early","comp:brand"],"computed_at":"2026-11-05T05:54:30Z"},"pay":{"stated_usd_annual":216000,"is_top_pay":true},"html_url":"https://alion.io/job/fidelity-investments-principal-software-engineer-python-oracle-aws","json_url":"https://alion.io/job/fidelity-investments-principal-software-engineer-python-oracle-aws.json","meta":{"generated_at":"2026-11-06T02:45:35Z","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":4715,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-07T00:00:00Z"}},"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-python-oracle-aws"},{"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-python-oracle-aws"},{"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-python-oracle-aws"},{"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-python-oracle-aws\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffidelity-investments-principal-software-engineer-python-oracle-aws"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3724579}},{"tool":"search_jobs","arguments":{"company":"fidelity.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3724579},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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