C# Software Engineer - Fixed Income Job at Harrington Starr (London)

Quantitative Modeler

Model Governance, for Single Security Pricing, is a global team across NY, Budap...

Location

Hungary , Budapest

Salary:

Not provided

BlackRock Investments

Expiration Date

March 02, 2026

Requirements

A master’s degree in a Quantitative
5+ years in a quant/quant-dev finance with strong programming skills
Advanced hands-on Python-programmer
Basic C++ coding skills
Expertise with Software Engineering Tools/Platforms – Git/LINUX
A Passion for Programming
An Analytical Frame of Mind
Excellent Communication Skills

Job Responsibility

Understand the implementation of Fixed Income Derivative Pricing Models, written in C++
Quantitative Modeling: Analyze model output, time-series to define correctness criteria and thresholding to be measured every day. Implement such tests in Python
Interact with Model Risk Management to get Model Performance Monitoring Tests approved
Model Infrastructure: Reporting Infrastructure for Model Breaches, Infrastructure for monitoring overnight performance tests
Model Documentation
AI: LLM project for Model Governance

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

!

C#.NET Software engineer - Trading applications

Talan is seeking a proactive and skilled Full-Stack Application Developer to joi...

Location

United States , New York

Salary:

110000.00 - 160000.00 USD / Year

Talan

Expiration Date

Until further notice

Requirements

Bachelor’s in Computer Science, Engineering, Finance, or similar
5+ years of relevant experience in Front Office or financial services background
Knowledge of Fixed Income & Capital Markets
Exposure to pricing or risk analytics
Strong OOP and .NET/C# development
Solid grasp of design patterns, Dependency Injection, Entity Framework
Proficient in SQL and relational databases
Familiar with scripting (e.g., Python, PowerShell)
Experience with Git and CI/CD in Agile environments

Job Responsibility

Design, develop, and support real-time pricing and analytics tools for Fixed Income trading (full stack)
Act as a key point of contact for front-office users (traders, sales, quants)
Gather business requirements and translate them into technical specifications
Own software delivery, maintenance, and support across all levels (L1–L3)
Collaborate with global teams to adapt and deploy tools
Follow Agile methodologies and CI/CD best practices

What we offer

401(k) retirement plan with company matching
15 days of paid vacation per year at hire and up to 27 according to seniority (annual untaken vacation days are cashed out)
8 paid holidays + 5 sick days + 2 personal days per year
Company health, dental, and vision insurance plans + FSA
Voluntary STD and LTD
Commuter/transit benefits

Fulltime

C#.NET Software engineer - Trading applications

Talan is seeking a proactive and skilled Full-Stack Application Developer to joi...

Location

United States , New York City

Salary:

110000.00 - 160000.00 USD / Year

Talan

Expiration Date

Until further notice

Requirements

Bachelor’s in Computer Science, Engineering, Finance, or similar
5+ years of relevant experience in Front Office or financial services background
Knowledge of Fixed Income & Capital Markets
Exposure to pricing or risk analytics
Strong OOP and .NET/C# development
Solid grasp of design patterns, Dependency Injection, Entity Framework
Proficient in SQL and relational databases
Familiar with scripting (e.g., Python, PowerShell)
Experience with Git and CI/CD in Agile environments

Job Responsibility

Design, develop, and support real-time pricing and analytics tools for Fixed Income trading (full stack)
Act as a key point of contact for front-office users (traders, sales, quants)
Gather business requirements and translate them into technical specifications
Own software delivery, maintenance, and support across all levels (L1–L3)
Collaborate with global teams to adapt and deploy tools
Follow Agile methodologies and CI/CD best practices

What we offer

401(k) retirement plan with company matching
15 days of paid vacation per year at hire and up to 27 according to seniority (annual untaken vacation days are cashed out)
8 paid holidays + 5 sick days + 2 personal days per year
Company health, dental, and vision insurance plans + FSA
Voluntary STD and LTD
Commuter/transit benefits

Fulltime

Applied AI Researcher

Location

Poland , Warszawa

Salary:

180.00 - 200.00 PLN / Hour

Devire

Expiration Date

Until further notice

Requirements

An advanced degree (MSc or PhD) in fields such as Computer Science, Machine Learning, Mathematics, Statistics, Physics, Engineering, Quantitative Finance, or comparable hands-on industry experience
At least 4 years of professional experience showcasing strong domain expertise
Significant background in building and maintaining software solutions that support quantitative investment processes across equities, fixed income, or multi-asset portfolios
Solid command of modern programming languages, including Python, C++, and Java
Excellent communication skills in English

Job Responsibility

Work closely with team members to enhance and scale live machine learning systems and related applications
Design, prototype, and evaluate AI/ML-driven solutions through research and experimentation
Write, validate, and support robust, production-grade software with a strong focus on quality
Provide technical direction by leading initiatives that span multiple teams
Build and maintain reusable libraries and frameworks that ensure system reliability and testability

What we offer

Private HealthCare
Sports card
Life insurance
Working for a leading corporation with a stable market position
Working in the international environment
Hybrid work (3 days a week office work) with supportive and positive environment

Fulltime

New

Accounts Payable Clerk

Join Robert Half’s Full-Time Engagement Professionals Team as an Accounts Payabl...

Location

United States , Livermore

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Minimum of 3 years of hands-on work in high volume accounts payable with multiple ERP systems
Advanced proficiency in Microsoft Excel
Familiarity with financial and operational systems such as Oracle, SAP, QuickBooks, or NetSuite
Strong analytical and organizational skills with exceptional attention to detail
Excellent verbal and written communication abilities for stakeholder interactions
Bachelor’s degree in Accounting, Finance, Business, or other relevant fields

Job Responsibility

Process and verify invoices for accuracy and proper authorization
Match purchase orders, receipts, and invoices
Ensure timely and accurate payment of vendor bills
Reconcile vendor statements and resolve discrepancies
Maintain organized and up-to-date financial records
Assist with month-end closing and reporting
Communicate with vendors regarding payment status or issues
Prepare and process electronic transfers and payments
Support audits by providing necessary documentation
Follow internal controls and company policies for AP procedures

What we offer

Medical, vision, dental, life and disability insurance
Eligible to enroll in company’s 401(k) or deferred compensation plan (if eligible)
Paid time off for vacation, personal needs, and sick time
Paid holidays
Up to 13 days of Choice Time Off (CTO) and up to 10 paid holidays per calendar year

Fulltime

New

Intern - Space Systems Program Manager

We are seeking a driven spaceflight project management intern. This position off...

Location

United States , Louisville

Salary:

22.00 - 28.00 USD / Hour

Arcfield

Expiration Date

Until further notice

Requirements

Currently enrolled in an accredited college or university program
Pursuing a degree in Engineering, Engineering Management, Business Administration, Project Management, Finance, or related field
Strong organizational skills with attention to detail
Proficient in Microsoft Office Suite (particularly Excel, PowerPoint, and Word)
Basic understanding of project management principles
Excellent written and verbal communication skills
Ability to work in a collaborative team environment
Interest in the aerospace industry and space systems

Job Responsibility

Assist the PMO team with tracking project milestones, schedules, and deliverables
Prepare and update project documentation and status reports
Support the creation and maintenance of project plans using project management software
Participate in project meetings and design reviews
Assist with data collection, analysis, and visualization for project performance metrics
Coordinate cross-functional team activities and communication
Support risk management processes by maintaining risk logs and action item tracking
Contribute to continuous improvement initiatives within the PMO

What we offer

Health Insurance
Life Insurance
Paid Time Off
Holiday Pay
Short Term and Long-Term Disability
Retirement and Savings
Learning and Development opportunities
wellness programs
other optional benefit elections

New

Contracts Administrator

We are looking for a detail-oriented Contracts Administrator to join our team in...

Location

United States , Woburn

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Diploma or Bachelor's degree in a relevant field
Previous experience in customer-facing or client engagement roles
Strong attention to detail with the ability to prioritize tasks effectively
Excellent communication skills and the ability to build positive relationships with clients and colleagues
Proven ability to work under pressure in a fast-paced, sales-driven environment
Exceptional organizational skills and multitasking capabilities
Must be eligible to work in the United States

Job Responsibility

Process and manage daily sales orders with accuracy and efficiency
Utilize internal systems to input, organize, and categorize sales data
Prepare and review licensing documents and contracts to ensure compliance and accuracy
Maintain organized records and ensure proper retention of group documentation
Collaborate with sales representatives, software users, and purchasing departments to address inquiries and outstanding requests
Provide support to Licensing & Contracts Associates and other team members when needed
Handle additional tasks and assignments to assist the team in achieving operational goals

What we offer

medical, vision, dental, and life and disability insurance
eligible to enroll in our company 401(k) plan

New

Auto Body Technician

Every day, over 20,000 car accidents disrupt lives. When our customers face one,...

Location

United States of America , Bowling Green

Salary:

Not provided

Caliber Collision

Expiration Date

Until further notice

Requirements

At least two years of turning wrecks into road-ready rides
Frame and structural know-how—can pull, straighten, and square it up
No-shortcuts mentality—Blueprint it, fix it right the first time
Sharp eye for detail—committed to tightened bolts, perfected welds
Physically fit for the job—can lift up to 50lbs
Team-first attitude—collaborate with painters, estimators, and front office staff
Must be eligible to work in the U.S. with no restrictions

Job Responsibility

Blueprint and execute—clean, precise repairs
Full collision repair—from fender benders to frame rebuilds
Panel and structural work—bring bent, twisted or torn parts back to factory specs
Quality reassembly—fit and finish matter
Work as a team—trust and teamwork move cars through
Keep it clean—put work location safety and tidiness first

What we offer

SIGN-ON BONUS OF $2500
Competitive pay—Unlimited work paired with a flag rate of up to $20–$30 paid weekly
XTREME Benefits Discount—extra $60.70 weekly toward healthcare premiums for first six months
Career growth opportunities
Training—I-CAR, ASE certifications
Paid time off and holidays—six company-wide holidays each year
Day-one benefits—Medical, dental, vision, 401k match
Best equipment and tech in the business—3M products, industry-leading gear

Fulltime

C# Software Engineer - Fixed Income

Harrington Starr

Location:
United Kingdom , London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
March 01, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for C# Software Engineer - Fixed Income

Quantitative Modeler

C#.NET Software engineer - Trading applications

C#.NET Software engineer - Trading applications

Applied AI Researcher

Accounts Payable Clerk

Intern - Space Systems Program Manager

Contracts Administrator

Auto Body Technician

C# Software Engineer - Fixed Income

Harrington Starr

Location:United Kingdom , London

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:March 01, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for C# Software Engineer - Fixed Income

Quantitative Modeler

C#.NET Software engineer - Trading applications

C#.NET Software engineer - Trading applications

Applied AI Researcher

Accounts Payable Clerk

Intern - Space Systems Program Manager

Contracts Administrator

Auto Body Technician

Location:
United Kingdom , London

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
March 01, 2026