Senior Software Developer | HR Technology & Shared Services | Experienced Hire

Susquehanna International Group, LLP

Job Location:

Bala Cynwyd, PA - USA

Monthly Salary: Not Disclosed

Posted on: Yesterday

Vacancies: 1 Vacancy

Job Summary

Overview

Susquehanna is seeking a Senior Software Developer to join our HR Technology & Shared Services development team a specialized engineering group responsible for building secure scalable and business-critical platforms that support enterprise functions across the firm.

This is a full-stack engineering role within a high-performance quantitative trading firm where precision security and craftsmanship matter. The team designs and builds internal platforms that integrate with best-in-class third-party systems (UKG ADP payroll compliance and others) while also developing custom solutions that cannot be purchased off the shelf.

The group operates a dedicated on-premises hardware environment to support systems responsible for highly sensitive firm data. As a Senior Developer you will work end-to-end from architecture and application design to deployment and operational support in collaboration with experienced engineers and cross-functional stakeholders.

What Youll Do

Design and build secure scalable applications supporting critical business functions
Develop backend services in C# or Java
Architect and maintain integrations across enterprise systems (HR payroll compliance compensation)
Build internal tools and platforms where commercial solutions do not meet business needs
Work across the full SDLC: architecture development deployment monitoring
Contribute to a dedicated on-premises infrastructure environment
Collaborate with engineers analysts and system owners to translate complex requirements into production-ready systems

End-to-End Ownership
Engineers contribute across application integration and infrastructure layers.

Security-Focused Engineering
Systems support highly sensitive data (e.g. compensation performance firm-wide workflows) and are designed with strict isolation and reliability standards.

Complex Systems Environment
Multiple integrations diverse data flows and enterprise-scale workflows require thoughtful system design and strong engineering fundamentals.

Firm-Wide Impact
The platforms built by this team directly support critical operational functions across Susquehanna.

What were looking for

Bachelors degree in Computer Science Engineering Mathematics or a related discipline. Relevant experience can be substituted for education.
7 years of hands-on software development experience
Strong proficiency in C# or Java
Experience with SQL Web Development and API-driven architectures
Interest in understanding systems beyond code including deployment data flow and reliability
Strong collaboration and communication skills across technical and non-technical teams

HRIS domain experience is not required. We value strong engineers who enjoy solving complex system challenges regardless of prior industry background.

About Susquehanna

What we do

We are experts in trading essentially all listed financial products and asset classes with a focus on derivatives trading. Through market making and market taking we handle millions of trading transactions around the world every day providing liquidity and ensuring competitive prices for buyers and sellers. While our presence in the market is broad our trading desks are highly specialized allowing for a deep understanding of unique drivers of each asset class.

If youre a recruiting agency and want to partner with us please reach out to . Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.

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Required Experience:

Senior IC

OverviewSusquehanna is seeking a Senior Software Developer to join our HR Technology & Shared Services development team a specialized engineering group responsible for building secure scalable and business-critical platforms that support enterprise functions across the firm.This is a full-stack engi...