Senior Python Developer (W2 Only / No C2C) (Local Candidates Only)

TEKsystems; Jersey City (NJ); Hybrid; USD 103,000 - 117,000; Full time

Benefits offered by this job

Medical, dental & vision

401(k) retirement plan

Life Insurance

Disability coverage

HSA

Transportation benefits

Time Off/Leave

Job summary

TEKsystems is seeking a Python Developer for a contract-to-hire role with a top investment bank in Jersey City, NJ. You will contribute to core Python development, ETL pipelines, and data platform work.

Responsibilities include building scalable, production-grade applications with REST APIs, multithreading, and comprehensive testing using PyTest/Unittest. You will work with SQL/NoSQL databases and data analytics tools in an Agile environment.

Qualifications

• Expert-level Python development (Python 3.x).
• Strong OOP, design patterns, and clean coding practices.
• Experience building scalable, production-grade applications.
• Multithreading, multiprocessing, and asynchronous programming.
• REST API development and testing with PyTest/Unittest.
• ETL/ELT pipeline design and development.
• Proficient SQL (Oracle, SQL Server) and NoSQL (Cassandra/Redis).

Responsibilities

• Develop Python applications for core platform.
• Design and maintain enterprise-scale ETL/ELT pipelines.
• Work with SQL/NoSQL databases and data platforms.
• Collaborate in Agile teams, implement tests and CI/CD practices.

Skills

Python

SQL

Development

Data

Tools

Git/GitHub/GitLab

JIRA

Confluence

Job description

Our client, a top investment bank, is looking for a Python Developer to join their growing team.

Description

Core Python Development

• Expert-level Python development (Python 3.x)
• Strong understanding of object-oriented programming, design patterns, and clean coding practices
• Experience developing scalable, high-performance, and production-grade applications
• Multithreading, multiprocessing, and asynchronous programming
• REST API development
• Unit testing and integration testing using PyTest, Unittest

ETL / Data Engineering

• Design and development of enterprise-scale ETL/ELT pipelines
• Experience processing large-scale structured and unstructured datasets
• Data ingestion, transformation, enrichment, and data quality frameworks
• Experience with batch and real-time data processing
• Data lineage, metadata management, and reconciliation frameworks

Databases & Data Platforms

• Advanced SQL development and performance tuning
• Experience with:
  • oOracle
  • oSQL Server
  • oSingleStore / MemSQL
  • oSnowflake / Databricks
• Experience with NoSQL databases:
  • oCassandra
  • oRedis

DevOps & SDLC

• Git/GitHub/GitLab
• Agile/Scrum methodologies
• JIRA and Confluence
• Release management and deployment automation
• Production support and incident management

Data Analytics & Reporting

• Data profiling and exploratory data analysis
• Python analytics libraries:
  • oPandas
  • oNumPy
  • oPolars
  • oSciPy
• Experience with visualization tools:
  • oTableau
  • oPlotly / Dash

Skills

• Python, Sql, Development, Data

Job Type & Location

This is a Contract to Hire position based out of Jersey City, NJ.

Pay and Benefits

The pay range for this position is $75.00 - $85.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a hybrid position in Jersey City,NJ.

Application Deadline

This position is anticipated to close on Aug 18, 2026.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance

Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI)

We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.