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

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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

UI/UX Developer

YTP is hiring a hands-on UI/UX Designer who can operate across multiple products...

Location

United States , Glen Allen

Salary:

Not provided

Yotta Tech Ports

Expiration Date

Until further notice

Requirements

3-7 years of UI/UX experience, ideally across multiple products or fast-moving environments
Strong Figma skills (components, variants, auto-layout, prototyping, libraries, design systems)
Comfortable using modern prototyping and automation tools (Make, Lovable, and similar tooling)
Proven ability to drive branding or rebranding for a product, website, or company
Strong product design fundamentals: usability, hierarchy, layout, interaction design, and user-centered decision making
Ability to collaborate across teams and handle ambiguous problem spaces without heavy supervision
Portfolio required with product UI and (preferably) branding and marketing collateral examples

Job Responsibility

Own end-to-end UI/UX across multiple YTP products (web app, internal tools, customer-facing flows)
Design user journeys, IA, wireframes, high-fidelity UI, and interactive prototypes in Figma
Build and maintain a scalable design system (components, tokens, typography, spacing, accessibility patterns)
Partner closely with Product, Engineering, and Leadership to translate requirements into shippable designs
Lead branding and rebranding work across website and product, including visual language, style guides, and consistency
Create marketing and brand collateral (product one-pagers, decks, website sections, launch assets, social posts)
Use AI-enabled tools to accelerate design, prototyping, iteration, and content production. (e.g., AI design assistants, rapid prototyping tools)

Fulltime

New

Laboratoriumanalist

Start your internship at Johnson & Johnson! Do you want to match your theory wit...

Location

Netherlands , Leiden

Salary:

750.00 EUR / Month

Randstad

Expiration Date

February 18, 2027

Requirements

Currently pursuing a Bachelor education
Analytical and process-oriented intern
Perform a critical review of lab testing in our Primary Packaging department
Basic statistics / MSA / experimental design
SOP writing and documentation planning
Ability to learn seal test methods quickly
Available for 5 days a week onsite
Available from April 1st and for the minimum of 6 months

Job Responsibility

Audit tests: seal strength, seal width, seal integrity (dye/bubble/vacuum, etc.)
Map workflows, identify bottlenecks and failure modes
Analyze historical and test data (MSA, basic stats)
Run tests
Propose updated SOPs, validation plans, and an implementation roadmap
Present findings to Project team, Lab and QA
Lab test review
Workflow optimization
Data analysis
Pilot testing

What we offer

Improve your knowledge with theory and practice
Develop your personal and business skills
Build your network across J&J Netherlands
Work in pharmacy with international colleagues
Pleasant, modern environment that's professional yet informal
Easily connect and exchange ideas with senior colleagues
Inclusive environment where your unique perspective is welcomed
Professional development, offering training and opportunities to grow both technical skills and leadership

Fulltime

New

Mobile Associate - Retail Sales

This role supports retail operations by engaging customers and facilitating thei...

Location

United States , Miami

Salary:

17.50 USD / Hour

T-Mobile

Expiration Date

Until further notice

Requirements

High School Diploma/GED
6 months of customer service and/or sales experience, Retail environment (Preferred)
Passionate customer advocate with the desire to be yourself when connecting and having fun doing it
Competitive drive and proven ability to succeed in a fast-paced sales environment
Willingness to work alongside peers and store leaders, learning and sharing ideas, while serving customers and providing resolutions to issues
Effective at balancing customer needs and performance goals
At least 18 years of age
Legally authorized to work in the United States

Job Responsibility

Develop proficiency in customer service and sales to deliver personalized technology and service solutions that meet individual needs
Utilize digital tools to demonstrate network coverage, service plans, and product features to enhance customer understanding and engagement
Complete required training to build knowledge of retail processes, systems, and wireless technology innovations
Collaborate with colleagues across channels to support a seamless customer experience and contribute to team initiatives
Also responsible for other duties/projects as assigned by business management as needed

What we offer

Annual stock grant
Employee stock purchase plan
401(k)
Access to free, year-round money coaches
Medical, dental and vision insurance
Flexible spending account
Paid time off
Up to 12 paid holidays
Paid parental and family leave
Family building benefits

Parttime

New

Human Resources Assistant

We are looking for a detail-oriented Human Resources (HR) Assistant to join our ...

Location

United States , Greenville

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Proven experience in human resources administration, preferably within the healthcare industry
Proficiency in using HRIS (Human Resources Information Systems) for record-keeping and data management
Strong understanding of employee onboarding processes and compliance requirements
Familiarity with conducting background checks and drug screenings
Excellent communication skills to interact effectively with employees and management
Detail-oriented mindset with the ability to handle multiple tasks simultaneously
Knowledge of employee relations practices and HR best practices
Ability to adapt to fast-paced environments and support high-volume periods seamlessly

Job Responsibility

Oversee onboarding procedures for new employees across various locations, ensuring all steps are completed efficiently
Coordinate essential background checks, drug testing, and credential verifications to meet compliance standards
Manage clinical compliance documentation, ensuring accuracy and timely completion
Provide clear communication about onboarding timelines and requirements to both new employees and managers
Maintain and update HR records within the company's systems to ensure data integrity
Conduct audits related to onboarding and compliance tracking to support organizational standards
Assist in refining onboarding processes and implementing best practices for continuous improvement
Offer backup support during periods of high-volume onboarding, ensuring smooth operations

What we offer

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

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

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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

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