Senior Software .NET Developer jobs in United States
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StoneX Group Inc. · 1 day ago

Senior Software .NET Developer

StoneX Group Inc. is a Fortune-100, Nasdaq-listed provider connecting clients to global markets. They are seeking a Senior Software .NET Developer to build high-performing, scalable applications, contributing throughout the software development lifecycle and collaborating with a talented engineering team.

FinanceFinancial ServicesIntellectual Property
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H1B Sponsor Likelynote

Responsibilities

Contribute to all phases of the development lifecycle working within Agile methodology
Write well designed, testable, efficient code
Ensure designs are in compliance with specifications
Do proof of concepts to test out various ideas, technologies
Prepare and produce releases of software components
Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
Mentor and supports engineers with technical direction and best practices
Contribute to PR reviews and be a team player

Qualification

C#/.NET CoreMicroservice architectureReact/Angular with TypescriptDockerCloud platforms (Azure/AWS)RelationalNo-SQL databasesAgile methodologyTDD/BDDApache KafkaMentoring

Required

Minimum 5+ years' experience building global enterprise level systems
Knowledge of financial markets or a strong desire to learn
Proven hands-on experience designing and developing enterprise applications using C#/.NET Core, /.NET 8 or higher
Proven hands-on experience building large scalable web-based applications using React (ideal)/Angular with Typescript
Experience developing distributed systems using Microservice architecture (event-based)
Experience with containerisation (Docker, Kubernetes) and working on cloud platforms (Azure/AWS etc)
Exposure with distributed messaging / streaming platforms (Apache Kafka)
Experience with TDD/BDD, testing framework (Jest/React-testing-library/JUnit)
Excellent knowledge of Relational Databases SQL and No-SQL databases
BS/MS degree in Computer Science, Engineering or a related subject

Company

StoneX Group Inc.

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Connection isn't just something we provide—it's who we are. StoneX Group Inc.

H1B Sponsorship

StoneX Group Inc. has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (18)
2024 (14)
2023 (27)
2022 (15)
2021 (19)
2020 (4)

Funding

Current Stage
Public Company
Total Funding
$1.18B
2025-06-23Post Ipo Debt· $625M
2024-02-15Post Ipo Debt· $550M
2003-01-10IPO

Leadership Team

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Glenn Stevens
CEO
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Sean O'Connor
Chief Executive Officer
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Company data provided by crunchbase