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Iris Software Inc.
Sr. Python Backend Developer

Sr. Python Backend Developer

Hybrid

Whippany, United states

Senior

Freelance

03-03-2026

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Skills

Communication Python Big Data Problem-solving Azure AWS Numpy Pandas GCP Hadoop Spark Microservices

Job Specifications

IRIS direct end client which is one of the British multinational universal bank is urgently looking to hire Sr. Python Backend Developer – Whippany, NJ (Hybrid). This is a Contract opportunity.

Sr. Python Backend Developer

Whippany, NJ 07981 (Hybrid/ 3 days office & 2 days work from home)

Nature of Contract – Contract Role

JOB DESCRIPTION:

We are looking for an experienced Senior Python Backend Developer with strong expertise in Python, Pandas, NumPy, and hands-on exposure to big data ecosystems. The ideal candidate should bring solid financial domain experience, along with the ability to design, develop, and optimize scalable backend systems.

Key Responsibilities:

Develop and maintain robust backend services using Python.
Build data processing pipelines leveraging Pandas, NumPy, and large datasets.
Collaborate with cross-functional teams to design scalable architectures.
Optimize code for performance, reliability, and data accuracy.
Work closely with stakeholders from the financial domain to understand business logic and implement solutions.
Troubleshoot and resolve production issues efficiently.

Mandatory Skills & Experience:

9+ years of professional experience in backend development.
Strong proficiency in Python, Pandas, NumPy, and related frameworks.
Experience working with big data technologies (Spark, Hadoop, or similar preferred).
Good understanding of financial systems, datasets, and workflows.
Familiarity with REST APIs, microservices, and cloud environments (AWS/Azure/GCP).
Excellent problem-solving and communication skills.

Looking forward to hear from you...!!!

Best Regards,

Bharat Sharma

Sr. Talent Acquisition – Executive

Iris Software

200 Metroplex Drive, Suite #300

Edison, NJ 08817

Mail: bharat.sharma@irissoftware.com | www.irissoftware.com

About the Company

Iris Software has been a trusted software engineering partner to several Fortune 500 companies for over three decades. We help clients realize the full potential of technology-enabled transformation by bringing together a unique blend of domain knowledge, best-of-breed technologies, and experience executing essential and critical application development engagements. Our highly-experienced talent and rightsized teams help develop core, complex, and mission-critical applications and solutions for leading enterprises across Ca... Know more