Senior Backend Developer - Java & Python - Contract Role

Posted 24 July 2025
Salary Market related
LocationDublin
Discipline Software Engineering
Reference9921 / 3

Job description

Senior Backend Developer – Java & Python – Contract Role

 

 Location: Dublin (Hybrid – 3 days on-site)

⏳ Duration: 6-month initial term, rolling contract

 Rate: Competitive daily rate

 

Stelfox is looking for a skilled Senior Backend Developer - Java & Python for one of our clients based in Dublin. The ideal candidates should have a minimum of 5 to 8+ years of commercial experience working in a fast-paced environment.

 

Responsibilities:

 

  • Enhance and maintain complex business applications
  • Collaborate with global tech teams to streamline systems and reduce redundancies
  • Communicate effectively with both technical and non-technical stakeholders
  • Contribute to innovation and the release of new features and products
  • Provide expert-level support for trading platforms and resolve urgent front-office issues
  • Analyse incomplete or unclear data to identify root causes and implement long-term fixes
  • Maintain clear documentation to support business growth and technical transparency

 

Skills & Qualifications

 

  • Languages: Strong hands-on experience with Java and Python
  • Databases: SQL, NoSQL
  • Version Control: Git, SVN
  • Frameworks: Flask, FastAPI, Tornado
  • APIs & Protocols: REST, GraphQL, Websockets
  • Concepts: ETL, Dependency Acyclic Graphs
  • Finance Knowledge: FICC, Derivatives, Investment Banking Products
  • Soft Skills: Strong problem-solving, analytical thinking, and communication
  • Education: Bachelor’s in Computer Science or related field (or equivalent experience)

 

If you are interested in this role, click 'apply' to send an updated copy of your CV to Honey Rathore or email honey@stelfox.com for more details.

Please note:

We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role. When we receive your application for this role, we will contact you to advise you of our process for other similar positions.

Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: https://www.stelfox.com/privacy-policy-gdpr/

Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent.

We look forward to working with you.