Liquidnet · 1 day ago
Senior .net Developer
New York, United States
Full-time
Onsite
Senior Level
$145K/yr - $155K/yrLiquidnet is a next-generation agency execution specialist seeking an exceptional and experienced Developer to join their Global Trading Technology team based in New York. The role involves developing and supporting client-facing trading applications that drive the core business.
AnalyticsFinancial ServicesFinTechIntellectual PropertyTrading Platform
Responsibilities
Development of innovative features within Liquidnet’s & TPICAP Trading Platform. Writing robust, performant and maintainable code
Active participation in design and estimation activities in collaboration with the Product owner
Active participation in Sprint and release planning activities
Provide L3 support for the production system and actively participate in the investigation of issues
Carry out code reviews
Provide the primary point of contact for queries in both QA and production
Keep current with industry trends and incorporate emerging best practices into everyday work
Contribute to the development communities of interest (COIN groups)
Mentoring and training other team members
Contribute to the definition of TPICAP development standards and best practices
Build relationships with internal and external stakeholders to ensure continuity of service and implementation of global development & deployment standards
Be responsible for ensuring that you are fully aware of and adhere to internal policies that relate to you, your role or any other activities for which you have any level of responsibility
Ensure compliance and operational risk requirements are met (e.g. cultural behaviours, security policies and regulatory requirements)
Complete any mandatory training by the required deadlines
Act with integrity and due skill, care and diligence in carrying out your duties
Qualification
Required
Proficiency in C# and .NET, with deep expertise in core language features, asynchronous programming (async/await), memory management, and performance optimization
Experience with multiple programming languages (e.g., F#, Python, C++, or Java) and a strong ability to adapt to new languages and paradigms as needed
Extensive experience developing Order Management Systems (OMS) and Execution Management Systems (EMS) or similar high-throughput, real-time trading platforms
Low-latency / latency-sensitive C# development, including tuning garbage collection, optimizing network I/O (e.g., using Span, Memory, Pipelines), and minimizing jitter in performance-critical systems
Expertise in distributed systems development, including messaging systems (e.g., Kafka, RabbitMQ, Azure Service Bus), microservices architecture, and fault-tolerant design
Strong object-oriented design (OOD) skills, with a solid grasp of design patterns, SOLID principles, and clean code practices
Proven track record in designing, developing, and deploying trading applications in performance-sensitive environments, with a focus on reliability and scalability
Proficiency with Git for version control, including branching strategies, code reviews, and CI/CD integration
Good knowledge of the modern .NET ecosystem, including build tools (MSBuild, NuGet), dependency injection, and testing frameworks (xUnit, NUnit, MSTest)
Demonstrated ability and enthusiasm to learn new languages and technologies based on project requirements or evolving tech stacks
Preferred
Experience in financial services application development, particularly in Cash Equities or Fixed Income trading environments
Familiarity with Agile methodologies, such as Scrum or Kanban, and experience working in cross-functional Agile teams
Knowledge of front-end and cloud technologies, including: JavaScript and modern frameworks like React, Cloud platforms such as Azure or AWS (e.g., EC2, Lambda, S3, CloudWatch), Relational databases such as SQL Server and PostgreSQL
Exposure to DevOps practices and tools, such as Docker, Kubernetes, and Jenkins, is a plus
Company
Liquidnet
Liquidnet is a global institutional investment network that intelligently connects the world’s investors to the world’s investments
Founded in 1999
201-500 employees
H1B Sponsorship
Liquidnet 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 (1)
2024 (1)
2023 (1)
2022 (4)
2021 (6)
2020 (5)
Funding
Current Stage
Growth StageTotal Funding
$260MKey Investors
Long Ridge Equity Partners
2020-10-09Acquired
2005-02-18Private Equity· $250M
2000-03-01Series C· $10M
Leadership Team
Alex Grinfeld
Managing Director and Co-Head of Listed Derivatives Americas
Eric Blake
Head of Latin America
Recent News
2025-12-09
2025-09-25
FinTech Global
2025-09-19
Company data provided by crunchbase