Senior Python Backend Engineer - Microservices & GenAI

Fives DyAG Corp.; Rutherford (NJ); On-site; USD 117,000 - 124,000; Full time

Job summary

Fives DyAG Corp. in Rutherford, NJ is seeking an Application Programmer Expert for a 6+ month onsite contract.

You will design, develop, and maintain scalable Python backend systems with microservices and API-driven architecture, build RESTful APIs, and support data ingestion and processing across global teams. The ideal candidate has 5–7 years of backend Python experience, strong knowledge of libraries like NumPy and Pandas, and familiarity with GenAI/LLMs.

Qualifications

• Bachelor's degree in computer science, data science, engineering, or related field
• 5–7 years of experience developing backend systems and services using Python
• Strong proficiency in Python and related libraries (NumPy, Pandas)
• Experience building REST APIs and working in microservices or service-oriented architectures
• Experience with data processing, ETL pipelines, or data engineering concepts
• Familiarity with LLMs and GenAI technologies
• Understanding of distributed systems and backend integration patterns
• Ability to work independently and collaboratively in a global team
• Experience with distributed data tools (e.g., Hadoop, Spark, Hive)
• Knowledge of databases (e.g., MySQL or other relational databases)
• Familiarity with containerization (Docker) and orchestration (Kubernetes/OpenShift)
• Background in financial services, banking, or risk environments
• Experience with AI developer tools such as Copilot

Responsibilities

• Design, develop, and implement scalable backend systems using Python, with a focus on microservices and API-driven architecture
• Build and maintain RESTful APIs and backend services for data ingestion, processing, and integration
• Develop data processing pipelines to handle structured and unstructured data
• Collaborate with global Technology teams across multiple time zones in a hybrid environment
• Apply OOP principles and backend engineering best practices
• Drive resolution of complex technical challenges through analysis of system flows and business processes
• Ensure solutions align with enterprise architecture, performance, and scalability requirements
• Establish and follow standards for coding, testing, debugging, and deployment in backend environments
• Perform data extraction, transformation, and analysis to support business use cases
• Implement unit testing and TDD to ensure reliability and maintainability of backend services
• Contribute to microservices ecosystem, including service integration and inter-service communication
• Support the integration of LLMs and GenAI capabilities into backend systems and workflows
• Mentor junior developers and promote strong engineering and coding standards
• Identify and manage risks, ensuring compliance with policies, regulatory requirements, and governance standards

Skills

Senior Python backend

Microservices

REST APIs

AI tool experience (Copilot)

Education

Bachelor's degree in CS/Engineering/Data Science

Tools

Docker

Kubernetes/OpenShift

Splunk

Job description

Fives DyAG Corp. in Rutherford, NJ is seeking an Application Programmer Expert for a 6+ month onsite contract.

You will design, develop, and maintain scalable Python backend systems with microservices and API-driven architecture, build RESTful APIs, and support data ingestion and processing across global teams. The ideal candidate has 5–7 years of backend Python experience, strong knowledge of libraries like NumPy and Pandas, and familiarity with GenAI/LLMs.