Senior Full stack Developer | Options | Experienced Hire

Susquehanna International Group, LLP

Job Location:

Dublin - Ireland

Monthly Salary: Not Disclosed

Posted on: 22-08-2025

Vacancies: 1 Vacancy

Job Summary

Overview

Susquehannais a global trading firm that uses its own capital to trade across virtually all listed financial products with a strong focus on derivatives. We combine expertise in trading technology and quantitative research to execute millions of transactions daily.

Were seeking aSenior Full-Stack Developerto build high-performance tools and internal systems for our trading and quant research teams. This hands-on role involves close collaboration with front-office stakeholders to deliver scalable robust solutions that directly impact trading strategiesan exciting opportunity at the intersection of finance and technology.

Responsibilities

Design develop and maintain full-stack applications that support trading and research workflows.
Build scalable high-performance systems using modern object-oriented languages (e.g. C# Java).
Develop and integrate with distributed systems and event-driven architectures (e.g. Kafka).
Contribute to both backend and frontend development; experience with Angular or similar frameworks is beneficial.
Optimise multi-threaded applications for performance and reliability.
Collaborate directly with traders quants and other stakeholders to gather requirements and deliver tailored solutions.
Participate in all stages of the software development lifecycle from design to deployment and support.
Ensure the stability performance and maintainability of mission-critical systems.
Stay current with emerging technologies and contribute to continuous improvement initiatives.

What were looking for

6 years of software development experience with strong OOP skills.
Proficient in modern languages (e.g. C# Java).
Solid grasp of distributed systems messaging (e.g. Kafka) and concurrency.
Familiar with container orchestration (e.g. Kubernetes Docker Swarm).
Experience in client-facing/front-office roles ideally in financial services.
Strong analytical problem-solving and communication skills.
Degree in Computer Science Engineering Mathematics or related field (or equivalent experience).

Nice to have

Experience with UI frameworks (e.g. Angular WPF).
Exposure to Complex Event Processing (CEP).
Background in high-performance or low-latency systems.
Familiarity with cloud platforms and scalable architectures

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.

#LI-JM1

Required Experience:

Senior IC

OverviewSusquehannais a global trading firm that uses its own capital to trade across virtually all listed financial products with a strong focus on derivatives. We combine expertise in trading technology and quantitative research to execute millions of transactions daily.Were seeking aSenior Full-S...

Overview

Responsibilities

Design develop and maintain full-stack applications that support trading and research workflows.
Build scalable high-performance systems using modern object-oriented languages (e.g. C# Java).
Develop and integrate with distributed systems and event-driven architectures (e.g. Kafka).
Contribute to both backend and frontend development; experience with Angular or similar frameworks is beneficial.
Optimise multi-threaded applications for performance and reliability.
Collaborate directly with traders quants and other stakeholders to gather requirements and deliver tailored solutions.
Participate in all stages of the software development lifecycle from design to deployment and support.
Ensure the stability performance and maintainability of mission-critical systems.
Stay current with emerging technologies and contribute to continuous improvement initiatives.

What were looking for

6 years of software development experience with strong OOP skills.
Proficient in modern languages (e.g. C# Java).
Solid grasp of distributed systems messaging (e.g. Kafka) and concurrency.
Familiar with container orchestration (e.g. Kubernetes Docker Swarm).
Experience in client-facing/front-office roles ideally in financial services.
Strong analytical problem-solving and communication skills.
Degree in Computer Science Engineering Mathematics or related field (or equivalent experience).

Nice to have