C# .NET Developer / Senior (Trading) Job at Nicoll Curtin (Hong Kong)

Senior C# .NET Developer

This is a Technical role, not looking for a Project Manager, You will be in the ...

Location

United States , Des Moines, Iowa

Salary:

150000.00 USD / Year

Robert Half

Expiration Date

Until further notice

Requirements

10+ years of Application Development
5+ years of Cloud development experience
Azure & AWS experience
APi, Mobile and Front end Development
APi integration and 3rd party vendor software experience
Solution Architecture with Enterprise level experience and with Financial Trading applications
experience building scalable solutions that integrate with 3rd party solutions

Job Responsibility

build out a technical Roadmap on integrations of complex Insurance and Trading Platform
make suggestions for the end customer to enhance service offerings
integrate Custom & 3rd party applications
using containerization, spin up new platform services

What we offer

2 ½ day weekend
15% Bonus
PERKS
medical, vision, dental, and life and disability insurance
401(k) plan

Fulltime

Senior C# Developer – Pricing Engines

Join a fast-paced trading tech environment where your C# code powers real-time p...

Location

Netherlands , Amsterdam

Salary:

Not provided

Levy Professionals

Expiration Date

Until further notice

Requirements

Extensive experience with C#/.NET in complex back-end or trading systems
Proven low-latency, high-throughput engineering expertise (ideally in pricing or market data)
Deep knowledge of concurrency, async IO, performance tuning, profiling, TCP/binary protocols
Strong understanding of financial markets: FX spot/forwards/swaps, bonds, IR swaps, curves, PV/DV01
Experience working with front-office stakeholders
Clear communication and the ability to simplify complex concepts

Job Responsibility

Build high-performance C# services on .NET Core for real-time pricing and risk
Refactor and migrate existing C# and Java components into a unified .NET Core platform
Optimise multithreading, memory, GC and network performance on bare-metal servers
Implement curve handling and curve location for FX, bonds and rates
Integrate with trading tools, market data feeds and external pricing/execution platforms
Ensure safe, efficient price distribution via internal messaging
Contribute to automated testing, CI/CD and observability in a 24/7 trading setup
Work in an agile DevOps team with shared support responsibilities

Senior Application Developer

Embark on a transformative journey as a Senior Application Developer. At Barclay...

Location

United States , Whippany

Salary:

120000.00 - 175000.00 USD / Year

Barclays

Expiration Date

Until further notice

Requirements

Developing C# applications using .NET WinForms and WPF
Building GUI applications using MVP or MVVM design patterns
Applying data structures and algorithms in performance-sensitive systems
Profiling memory usage and improving application performance
Writing and maintaining unit tests

Job Responsibility

Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance
Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives
Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing
Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth
Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions
Implementation of effective unit testing practices to ensure proper code design, readability, and reliability

What we offer

Medical, dental and vision coverage
401(k)
Life insurance
Other paid leave for qualifying circumstances
Competitive holiday allowance
Life assurance
Private medical care
Pension contribution

Fulltime

Senior Full Stack Developer

Embark on a transformative journey as a Senior Full Stack Developer. At Barclays...

Location

United States , Whippany

Salary:

170000.00 - 230000.00 USD / Year

Barclays

Expiration Date

Until further notice

Requirements

Developing C# applications using .NET WinForms and WPF for trading or complex desktop platforms
Designing and building GUI applications using MVP or MVVM patterns
Applying data structures and algorithms within performance-sensitive systems
Designing and architecting system components across multiple applications
Profiling memory usage, tuning performance, and supporting unit testing practices

Job Responsibility

Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance
Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives
Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing
Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth
Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions
Implementation of effective unit testing practices to ensure proper code design, readability, and reliability

What we offer

medical, dental and vision coverage
401(k)
life insurance
other paid leave for qualifying circumstances
incentive award
Competitive holiday allowance
Life assurance
Private medical care
Pension contribution

Fulltime

Senior Software Engineer

Senior C# .NET Engineer | OMS Team | Elite Hedge Fund | £250k. A leading hedge f...

Location

United Kingdom , London

Salary:

250000.00 GBP / Year

Orbis Consultants

Expiration Date

Until further notice

Requirements

Deep expertise in C# .NET, including multithreading and low-latency systems
Proven experience working with Order Management Systems is a bonus
Ideally a mix of OMS vendor and in-house bespoke system experience
Solid understanding of trading workflows across asset classes
Strong communication and stakeholder engagement skills are crucial

Job Responsibility

Designing and developing high performance, scalable solutions within a mission critical OMS
Collaborating closely with traders, PMs and quant teams to deliver bespoke functionality
Driving forward system enhancements and helping modernise legacy components
Owning features end-to-end in a fast-paced, delivery-focused environment

Fulltime

Vp, Software Engineer (fullstack - .net & react)

The Document Intelligence Platform is BlackRock's solution for document processi...

Location

United Kingdom , London

Salary:

Not provided

BlackRock Investments

Expiration Date

October 13, 2026

Requirements

8-12+ years of professional software engineering experience
5+ years in technical leadership roles
3+ years experience leading teams of 3+ engineers
Proven track record delivering large-scale, mission-critical systems
Deep expertise in full-stack development
Strong background in financial services technology preferred
Experience with cloud-native architectures on Azure
Expert level in C# / .NET (.NET 6/7/8, ASP.NET Core), SQL Server, Entity Framework Core, RESTful API design, Microservices architecture, Message queues and event-driven architecture (Azure Service Bus, Kafka), Caching strategies (Redis, in-memory caching)
Strong proficiency in React and TypeScript, Redux and state management patterns, Single-spa or micro-frontend architectures, SCSS/CSS
Extensive experience with Microsoft Azure services (Azure App Service, Azure Functions, Blob Storage, Azure SQL Database, Cosmos DB, Redis Cache, Application Insights, Key Vault, Azure DevOps), Infrastructure as Code (Terraform, ARM templates, Bicep), CI/CD pipeline design and implementation, Git workflows and branching strategies for large teams, Monitoring and observability (Application Insights, Grafana), Performance engineering and scalability optimization

Job Responsibility

Define and evolve the technical architecture across frontend and backend systems
Lead strategic direction of the document processing engine, content management services, and data distribution layer
Champion engineering best practices: code quality, testing, security, and observability
Evaluate new technologies and provide guidance on complex system design decisions
Drive technical innovation while maintaining production stability
Build, lead, and mentor a high-performing team of 3-8 software engineers
Set team goals, conduct performance reviews, and drive career development
Foster a culture of technical excellence and continuous improvement
Recruit top engineering talent and develop team competencies
Champion agile practices and efficient delivery processes

What we offer

Retirement investment and tools designed to help you in building a sound financial future
Access to education reimbursement
Comprehensive resources to support your physical health and emotional well-being
Family support programs
Flexible Time Off (FTO)

Fulltime

Senior ETRM Developer

You'll be joining one of the most technically forward-thinking ETRM teams in the...

Location

United Kingdom , London

Salary:

Not provided

Harrington Starr

Expiration Date

Until further notice

Requirements

Expert-level Endur experience – JVS or OpenComponents (Java)
Hands-on Java engineering skills - .Net or C# are transferable
Strong SQL / Oracle skills
Familiar with key tech: REST APIs, Kafka, DMS, Crystal Reports, Tomcat
A good grasp of the ETRM lifecycle: Trading, Risk, Ops
Independent mindset – someone who can own delivery and get it done

Job Responsibility

Owning Endur development workstreams from design to production release
Driving platform enhancements and new builds across STP, PnL, and risk
Managing technical support and resolving live incidents (hands-on)
Leading discussions with the business and on/offshore teams
Building and supporting custom web interfaces, APIs, and backend integrations

Fulltime

New

Senior Test Analyst

Join a high-stakes environment where precision is everything. We are seeking a S...

Location

New Zealand , Auckland

Salary:

105.00 - 110.00 NZD / Hour

Randstad

Expiration Date

March 07, 2026

Requirements

Proven experience within Financial Services or Trading Platforms
Mastery of SQL for data quality checks
Experience with C#/.NET frameworks
High proficiency in Azure DevOps (ADO)
Familiarity with ServiceNow
Experience with non-functional testing (performance/failover) and cutover support is highly regarded

Job Responsibility

Lead hands-on testing for API integrations and large-scale data migrations
Perform complex SQL reconciliations and ETL/feed testing to ensure data integrity
Develop API-layer automation and integrate scripts into CI/CD pipelines using C# and .NET
Utilize Azure DevOps (ADO) for end-to-end traceability and manage workflows via ServiceNow
Act as a bridge between ETL teams, CXOs, Chapter Leads, and external vendors

!

C# .NET Developer / Senior (Trading)

Nicoll Curtin

Location:
Hong Kong , Hong Kong

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Requirements:

Additional Information:

Job Posted:
March 01, 2026

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