Senior Python Engineer

Talentify; Jersey City (NJ); On-site; USD 80,000 - 91,000; Full time

Benefits offered by this job

Medical, Dental, Vision

401K

Job summary

Genesis10 is seeking a Senior Python Engineer to design, build, and scale our core backend infrastructure for a global financial institution in Jersey City, NJ or New York, NY. You will lead the creation of robust, high‑performance services that handle heavy traffic and emphasize architectural integrity, scalability, and maintainability.

You will architect distributed systems, optimize data throughput, and mentor teammates through code reviews and testing.

Qualifications

• 5+ years of Python backend development.
• Designed microservices or distributed systems with load balancers and caching layers.
• Identified and resolved performance issues in Python, including memory usage.
• Expert-level knowledge of FastAPI, Django, or Flask.
• Deep PostgreSQL/Oracle experience with SQLAlchemy and complex queries.
• Containerization with Docker and cloud deployments.
• Agile project methodologies.
• Experience with CI/CD tools like Jenkins and GitHub/Bitbucket.

Responsibilities

• Architect and implement scalable distributed systems using Python frameworks.
• Apply caching strategies (Redis) and asynchronous processing for responsiveness.
• Diagnose bottlenecks, optimize PostgreSQL/Oracle queries and schemas.
• Create modular models and interfaces with a clean codebase.
• Develop secure RESTful APIs with validation and error handling.
• Mentor the team; conduct code reviews and enforce testing standards.
• Develop test cases and perform unit testing.

Skills

Python

Microservices

Performance tuning

FastAPI

Django

Flask

PostgreSQL

Oracle

SQLAlchemy

Docker

Agile

CI/CD

GitHub/Bitbucket

Code reviews

Tools

Redis

Jenkins

Artifactory

Job description

Genesis10 is currently seeking a Senior Python Engineer for a contract position with a Global Financial Institution located in Jersey City, NJ or New York, NY. This is a 12+ month contract opportunity.

We are looking for a highly skilled Senior Python Engineer to design, build, and scale our core backend infrastructure. You will be responsible for building robust, high-performance services that handle high-volume traffic. This is a role for an engineer who prioritizes architectural integrity, system performance, and maintainability. You will lead the design of distributed services, optimize data throughput, and ensure our backend systems are resilient and scalable.

Responsibilities.

• Architect and implement scalable distributed systems using Python (FastAPI/Django/Flask)
• Apply advanced patterns for load balancing, caching strategies (Redis), and asynchronous task processing to ensure maximum responsiveness
• Diagnose and resolve system bottlenecks, optimize database schemas and queries (PostgreSQL/SQLAlchemy, Oracle)
• Create maintainable, modular object models and interfaces, ensuring a clean and well-structured codebase
• Develop secure, performant RESTful APIs with robust validation and error handling
• Develop/modify PL/SQL, SQL Views, stored procedures, and database triggers
• Mentor the team, conduct rigorous code reviews, and establish high standards for documentation and testing
• Develop test cases and perform unit testing

Requirements.

• 5+ years of professional experience in Python-based backend development
• Proven track record in designing microservices or distributed systems, with an understanding of load balancers, proxies, and caching layers
• Advanced ability to identify and resolve performance issues, including managing concurrency and optimizing memory usage in Python
• Expert-level knowledge of modern Python frameworks (FastAPI, Django, or Flask)
• Deep understanding of relational databases (PostgreSQL, Oracle) and ORMs (SQLAlchemy), with experience in optimizing complex queries
• Familiarity with containerization (Docker) and deploying Python applications to the cloud
• Experience developing in an Agile project methodology
• Good knowledge in DevOps tools like Jenkins, Artifactory, and GitHub/Bit Bucket
• Strong analytical, troubleshooting, and problem-solving skills

Desired skills.

• Experience with OCR and NLP technologies
• 2+ years of experience with Data Analysis
• Compliance or Operational Risk experience
• Knowledge of Informatica, Autosys, or Unix Concepts
• Experience with Jira

Pay range: $58.26 - $66.26 per hour

Only candidates available and ready to work directly as Genesis10 employees will be considered for this position.

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.

For contract roles, Genesis10 offers the benefits listed below. If this is a perm-placement opportunity, our recruiter can talk you through the unique benefits offered for that particular client. Benefits of Working with Genesis10:

• Access to hundreds of clients, most who have been working with Genesis10 for 5-20+ years.
• The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years.
• Access to an experienced, caring recruiting team (more than 7 years of experience, on average.)
• Behavioral Health Platform
• Medical, Dental, Vision
• Health Savings Account
• Voluntary Hospital Indemnity (Critical Illness & Accident)
• Voluntary Term Life Insurance
• 401K
• Sick Pay (for applicable states/municipalities)
• Commuter Benefits (Dallas, NYC, SF, and Illinois)

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others.

Genesis10 is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.