{"id":2644068,"url":"https://alion.io/job/northern-trust-senior-software-engineer-net-react-2","title":"Senior Software Engineer — .NET & React","company":{"id":1762433,"name":"Northern Trust","domain":"northerntrust.com","url":"https://alion.io/company/northerntrust","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":83,"open_postings":115,"ghost_share":0,"stale_share":0.878,"repost_share":0,"time_to_fill_p50_days":16,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Chicago, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":125000,"max_usd":229000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3287},"experience_years_min":4,"visa_sponsorship":true,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AI Agents","optional":false},{"name":"Apache Kafka","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"Azure","optional":false},{"name":"Azure DevOps","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Clean Architecture","optional":false},{"name":"Docker","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"GitHub Actions","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Agile","optional":true},{"name":"JavaScript","optional":true},{"name":"Kanban","optional":true},{"name":"Scrum","optional":true}],"status":"live","first_seen_at":"2026-10-15T19:36:49Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-16T04:15:56Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"About Northern Trust\nAs a global leader in innovative wealth management, asset servicing, asset management and banking services, Northern Trust (Nasdaq: NTRS) is proud to guide the world’s most successful individuals, families, corporations and institutions.\nSince 1889, we have aligned our efforts with our three guiding Principles That Endure: Service, Expertise, and Integrity. Together, they reflect the three cornerstones of business conduct which we strive to instill in our employees, whom we call partners, and to provide to our clients and the communities we serve worldwide.\nWith more than 135 years of financial experience and over 24,000 partners, we serve the world’s most sophisticated clients using leading technology and exceptional service.\nRole - Senior Software Engineer - .NET & React\nWe are looking for an accomplished Senior Software Engineer to design, develop, and modernize scalable enterprise applications. The role centers on API-first, cloud-native solutions built with .NET (C#) for backend services and React for frontend experiences, with a strong focus on security, performance, maintainability, and sound engineering practices.\nYou will partner with architects, product owners, and cross-functional teams to deliver reliable software that meets enterprise standards and regulatory obligations.\nPrimary Responsibilities\nBackend (.NET)\nDesign, build, and support RESTful APIs and backend services with .NET / ASP.NET Core (C#)\nUse clean architecture practices, including SOLID, DDD, and CQRS where they add value\nImplement effective data access with Entity Framework Core or comparable tools, minimizing unnecessary reliance on stored procedures\nBuild systems that are secure, resilient, auditable, and observable\nHelp shape architecture decisions and produce clear technical design documentation\nFrontend (React)\nDevelop modern, responsive interfaces with React and TypeScript\nCreate reusable component libraries that follow UI/UX and accessibility standards\nIntegrate APIs securely and efficiently, including authentication, authorization, and error handling\nImprove frontend performance and the overall user experience\nDevelop unit and integration tests for frontend components\nEngineering & Delivery\nApply CI/CD best practices with tools such as GitHub Actions / Azure DevOps\nChampion test-driven development and automated testing\nContribute to code reviews, mentoring, and knowledge sharing\nWork with DevOps, QA, and platform teams to enable reliable deployments\nSupport production systems and assist with incident resolution when required\nRequired Qualifications:\nEssential Technical Skills\nAt least 4 years of professional software engineering experience\nStrong proficiency in C# and .NET / ASP.NET Core\nProven experience building micro-frontends (MFEs) with React and TypeScript\nStrong knowledge of REST APIs, HTTP fundamentals, and API security\nExperience with relational databases such as SQL Server\nExperience with cloud platforms, preferably Azure, and containerization with Docker preferred.\nHands on experience with Agentic AI SDLC with spec-driven development a plus \nEngineering Practices\nStrong command of object-oriented design, clean code, and refactoring\nHands-on experience with unit testing, integration testing, and mocking frameworks\nFamiliarity with event-driven and microservices architectures; Kafka or other messaging technologies are a plus\nExperience working in agile delivery environments such as Scrum or Kanban\nPreferred Qualifications\nExperience in financial services or another highly regulated industry\nKnowledge of performance tuning, high-volume transaction processing, and distributed systems\nProfessional Capabilities\nStrong analytical and problem-solving abilities\nClear, structured communication\nAbility to collaborate effectively with senior stakeholders and cross-functional teams\nA proactive approach with strong ownership and accountability\nTechnical Leadership:\nThe successful candidate will demonstrate strong technology leadership, shaping solution design and improving engineering practices across teams:\nAdvance modern engineering practices, including API-first design, cloud-native patterns, automation, and technical debt reduction\nGuide and mentor engineers to strengthen capabilities and promote consistent practices across teams\nIdentify technology risks, scalability issues, and non-functional gaps early, then drive practical solutions\nBalance immediate delivery needs with long-term platform health, maintainability, and operational resilience\nAlignment with Northern Trust Principles:\nSuccessful candidates are expected to reflect Northern Trust’s core principles and values in everyday engineering decisions and practices:\nService & Integrity First - Develop software responsibly, with security, accountability, client trust, and data protection at the forefront.\nStrength in Collaboration - Partner across engineering, architecture, product, operations, and risk to deliver sustainable, well-designed solutions.\nExpertise & Continuous Improvement - Apply deep technical expertise while continually improving systems through modernization, automation, and proven engineering practices.\nOwnership & Accountability - Own solutions end to end, from design through production support, with consistent attention to reliability and quality.\nRisk & Controls Mindset - Build solutions that satisfy regulatory, compliance, and audit requirements through appropriate controls, logging, and documentation.\nClient-Focused Engineering - Make technology choices that support scalability, resilience, and lasting client outcomes rather than only short-term delivery.\nEducation and Experience:\nBachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience\nSalary Range:\n$114,500 - 194,700 USDSalary range is a good faith estimate of base pay. Northern Trust provides a comprehensive benefits package including retirement benefits (401k and pension), health and welfare benefits (medical, dental, vision, spending accounts and disability), paid time off, parental and caregiver leave, life & accident insurance, and other voluntary and well-being benefits. Northern Trust also provides a discretionary bonus program that may include an equity component.\nWork Authorization\nApplicants must be authorized to work in the U.S. without the need for employment-based visa sponsorship now or in the future. Northern Trust will not sponsor applicants for U.S. work visa status for this opportunity (no sponsorship is available for H-1B, L-1, TN, O-1, E-3, H-1B1, F-1, J-1, OPT, CPT or any other employment-based visa).\nWorking with Us\nAs a Northern Trust partner, you will be part of a flexible and collaborative work culture, which has a strong history of financial strength and stability. Movement within the organization is encouraged, senior leaders are accessible, and you can take pride in working for a company committed to an inclusive workplace and assisting the communities we serve.\nPhilanthropy is deeply rooted in Northern Trust’s history and is an essential element of our culture. Employees around the world give their time and talent to work for the greater good of their communities.\nReasonable Accommodation\nNorthern Trust is committed to working with and providing adjustments to individuals with health conditions and disabilities. If you need a reasonable accommodation for any part of the employment process, please email our HR Service Center at , or alternatively you can discuss your individual requirements with the recruiter you are working with.","description_format":"text","description_chars":7614,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["401k plan","Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Wealth Management & Financial Advisors","Asset Management & Funds","Custody & Fund Administration"],"lifecycle":[{"event":"open","at":"2026-10-15T19:36:49Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":0,"expected_fill_days":16,"reasons":["conf:1","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-16T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/northern-trust-senior-software-engineer-net-react-2","json_url":"https://alion.io/job/northern-trust-senior-software-engineer-net-react-2.json","meta":{"generated_at":"2026-10-16T10:27:58Z","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":8829,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-17T00:00:00Z"}},"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":1762433},"rest":"https://alion.io/mcp/rest/get_company?id=1762433"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fnorthern-trust-senior-software-engineer-net-react-2"},{"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%2Fnorthern-trust-senior-software-engineer-net-react-2"},{"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%2Fnorthern-trust-senior-software-engineer-net-react-2"},{"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/northern-trust-senior-software-engineer-net-react-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fnorthern-trust-senior-software-engineer-net-react-2"}]}