1,749,574open jobs
103,051companies
264,287added this week
Browse all
Salary
≈ $89k – $200k per year (Estimated)
Location
In office (Dublin)
Seniority
Senior

Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on Oct 16, 2026.

Overview
Company
Impact
Profile match
Susquehanna International Group is a privately held quantitative trading firm headquartered in Bala Cynwyd near Philadelphia, Pennsylvania, that makes markets and trades across essentially all listed financial products with a focus on derivatives. It was founded in 1987 by a group of college friends who had traded on the floor of the Philadelphia Stock Exchange, and it also runs institutional sales, growth equity and venture capital arms, with offices in New York, Chicago, Dublin, London, Sydney, Hong Kong and Mumbai. It hires software developers in C++ and C#, quantitative researchers and traders, network and systems engineers, business operations analysts and interns and graduates.

Overview

At Susquehanna International Group, our technologists play a critical role in shaping the future of electronic trading. We build high-performance systems designed to compete in some of the most demanding and latency-sensitive markets in the world.

Our Python software engineers are employed in building, maintaining and supporting new and existing quantitative study environments that are fundamental to our success and competitiveness in the current trading environment. We constantly improve the system so it is stable, fast and easy to use for our researchers.

Job Summary

  • Part of the Options trading strategy development team
  • Responsible for the maintenance and constant improvement of our python-based platform that enables quantitative researchers to interact efficiently with trading systems, empowering powerful and fast data analysis and studies
  • Work with Traders, Quantitative Researchers and other Strategy Developers to facilitate new trading behaviours
  • Work with large datasets to set up and maintain production-quality data pipelines

What we’re looking for

  • Degree in Computer Science or other science or technical field
  • Experience of distributed message-based systems and server-side software development with proven product delivery success
  • Experience with the Python language and the Python scientific stack
  • Full software development life cycle experience and exposure to agile software development
  • Willingness to learn new technologies and to propose novel technical solutions
  • The ability to self-manage, self-motivate, and seek process improvement opportunities
  • Strong interpersonal and communication skills for interacting with quantitative researchers and other engineers
  • Attention to detail, self-motivation and ability to react to changing priorities
  • Willingness to participate and provide assistance in the deployment and maintenance of our production software

It would be great if you also know about

  • Key concepts of finance and trading and their requirements as applied to systems development
  • Networking and operating systems basics: Linux and Windows
  • UI/UX design
  • Web services and development frameworks
  • Experience in Java, C# or other OOP language
  • Experience or interest in statistics
  • Experience with source control, CI/CD pipelines and automated testing
  • Experience using relational and NoSQL databases

Equal Opportunity Statement

We’re committed to building a diverse and inclusive workplace. We encourage candidates from all backgrounds to apply and are happy to provide reasonable accommodations during the hiring process.About Susquehanna Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment. To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. By uniting deep market expertise with cutting-edge technology, we excel in solving complex problems and pushing boundaries together.

If you're a recruiting agency and want to partner with us, please reach out to [email protected]. Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.#L1-JM1

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,749,574 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Backend
Similar stack
Same company
Dublin
≈ $137k – $270k per year (Estimated) • Hybrid • 8+ years exp • Dublin
Java
Kotlin
Databases
PostgreSQL
DynamoDB
RabbitMQ
AI/ML
Edge AI
Frontend
GraphQL
Tailwind CSS
Management
Agile
Apply
Application Architect 4 hours ago
≈ $64k – $125k per year (Estimated) • Hybrid • Full-Time • 4+ years exp • Bachelor's Degree • Dublin
JavaScript
TypeScript
SQL
C#
C#
.NET
Frontend
Angular
DevOps
Azure DevOps
Azure
CI/CD
Docker
Kubernetes
Azure AKS
Management
Agile
UML
Apply
$14k – $19k per year (gross) • In office • Full-Time • Bachelor's Degree • New Taipei
Apply
≈ $17k – $40k per year (Estimated) • In office • Full-Time • 3+ years exp • Bachelor's Degree • Gurgaon
Python
Java
DevOps
Azure
Management
Agile
QA
Selenium
JMeter
Apply
Data Engineer 1 hour ago
$110k – $160k per year • In office • 2+ years exp • Bachelor's Degree • McLean
Python
Java
SQL
C++
Scala
Databases
PostgreSQL
Cassandra
ElasticSearch
Apache Kafka
Amazon Redshift
AI/ML
Hadoop
Spark
Machine Learning
DevOps
GCP
Azure
AWS
Amazon EC2
Analytics
ETL/ELT
Management
Agile
Apply
$90k – $130k per year • In office • 5+ years exp • Bachelor's Degree • McLean
DevOps
CI/CD
Kubernetes
SOAP
Management
Agile
QA
Selenium
Appium
Postman
Rest-Assured
Apply
Mulesoft Developer 1 hour ago
$85k – $170k per year • In office • 3+ years exp • McLean
Apex
Apex
MuleSoft
DevOps
GCP
CircleCI
GitLab CI
Azure
CI/CD
Jenkins
Git
AWS
Kubernetes
Bitbucket
GitHub
GitLab
Management
Agile
Apply
Salesforce Tester 1 hour ago
$90k – $130k per year • In office • 5+ years exp • Bachelor's Degree • McLean
DevOps
CI/CD
Kubernetes
SOAP
Management
Agile
Scrum
QA
Selenium
Appium
Postman
Rest-Assured
Apply
In office • 2+ years exp • Dublin
Python
SQL
Databases
MySQL
PostgreSQL
MS SQL
AI/ML
Machine Learning
DevOps
Octopus Deploy
SLI/SLO/SLA
GitLab
Linux
Windows
Apply
≈ $91k – $205k per year (Estimated) • In office • Bachelor's Degree • Dublin
Python
C#
Databases
Apache Kafka
DevOps
Kubernetes
Management
Agile
Apply
In office • Bachelor's Degree • Dublin
Python
C#
C++
AI/ML
Machine Learning
Apply
≈ $89k – $201k per year (Estimated) • In office • Bachelor's Degree • Dublin
C++
C++
STL
AI/ML
Machine Learning
Apply
≈ $155k – $283k per year (Estimated) • In office • 5+ years exp • Philadelphia
SQL
C#
C#
.NET
Apply
$112k per year • In office • Full-Time • 10+ years exp • Bachelor's Degree • Dublin
Apply
$73k per year • In office • Full-Time • Bachelor's Degree • Dublin
Apply
$62k per year • In office • Full-Time • 3+ years exp • Dublin
Design
AutoCAD
Apply
BIM Technician 1 day ago
$56k per year • In office • Full-Time • Dublin
Design
AutoCAD
Apply
$98k per year • In office • Full-Time • Bachelor's Degree • Dublin
Apply
See all jobs
This is one of many
1,749,574 more open roles from verified company boards, updated every day.