Principal React Engineer, New York

ION Group
New York
Workplace: OnsiteFull timeFunction: Software EngineeringExperience: 10+ yearsEducation: bachelorsSkills: ["Collaboration","Interpersonal","Organizational"]

We seek a Principal React/.NET Developer to lead front-end UI work for financial services clients in an Agile setting. You’ll design and build modern web applications using JavaScript/TypeScript, React, and .NET, collaborating with designers, driving architecture discussions, and contributing to next-generation technology solutions in a high-impact, New York–based team.

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FursaFursa
ION Group
ION Group
6 months ago

Principal React Engineer, New York

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Source: Company careers pageValidated by: Fursa AI
Last checked: 10 hours agoStatus: Live

Job Summary

We seek a Principal React/.NET Developer to lead front-end UI work for financial services clients in an Agile setting. You’ll design and build modern web applications using JavaScript/TypeScript, React, and .NET, collaborating with designers, driving architecture discussions, and contributing to next-generation technology solutions in a high-impact, New York–based team.
Location: New York
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Director level

Key Responsibilities

  • •Lead frontend development for React/.NET applications, shaping the UI architecture and implementing robust, scalable features.
  • •Collaborate with designers and product teams to translate wireframes into functional code and pixel-perfect interfaces.
  • •Work within an Agile environment to deliver high-quality software on time, with a focus on maintainability and performance.
  • •Contribute to the design and construction of next-generation technology solutions for financial services clients.
  • •Act as a senior technical contributor, mentoring junior developers and driving engineering best practices.

Pay and Benefits

Perks:401kHealth InsuranceDentalVisionLife InsuranceDisabilityCommuter BenefitsPaid HolidaysAnnual BonusLearning Budget

Key Requirements

  • •10+ years of commercial-grade web development experience.
  • •5+ years of experience in modern JavaScript, ideally TypeScript, building web applications with React.
  • •5+ years of solid hands-on experience in either functional coding in .NET development.
  • •Collaborate with designers and other partners to provide input on design & wireframing.
  • •Experience with Agile development methodologies.
Experience:10+ yearsFinanceFinancial services
Education:Bachelor's
Skills:CollaborationInterpersonalOrganizational
Languages:English
Tech Stack:JavaScriptTypeScriptReact.NETMaterial UITerraformEntity FrameworkSQLAWSCI/CDTeamCityJenkins

Company Brief

ION Group
Provides trading, workflow and risk management software and technology solutions for capital markets, treasury and asset management firms, delivering front-to-back systems, analytics and connectivity to financial institutions worldwide.
Industry: Enterprise Software
Company Size: Enterprise (1,001+ employees)
Growth: Established Company
Funding: Private Equity Backed
Headquarters: London, United Kingdom
WebsiteLinkedIn