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Contract Sr Python Developer Jobs (NOW HIRING)

Senior Python Developer

Irving, TX · On-site +1

$74 - $78/hr

Sr Python Developer Global Financial Firm located in Irving, TX has an immediate contract opportunity for an experienced Sr Python Developer. This role is currently on a hybrid schedule. You will ...

Senior Python Developer

Fenton, MO

$116.40K - $156.70K/yr

SR. PYTHON DEVELOPER This position is based out of our St Louis, MO office About ArchKey ArchKey is one of the nation's largest privately held specialty trade installation and integrated facility ...

Senior Python Developer

Mclean, VA · On-site +1

$122.80K - $165.30K/yr

As a Senior Python Developer, you will assist in leading the integration of a custom application ... This position supports a federal government contract and requires the ability to obtain and ...

Sr. Python Developer

Manhattan, NY

$133.90K - $180.20K/yr

Sr. Python Developer Join our team in a dynamic and fast-paced environment located in New York, NY ... This contract position involves supporting a risk management system, requiring expertise in a high ...

Senior Python Developer

San Jose, CA

$142.40K - $191.60K/yr

Senior Python Developer Looking for a passionate Python developer who is excited about joining a team that is execution oriented, fast moving, and running on agile methodology. Direct Client Location ...

Senior Python Developer

Fenton, MO · On-site

$116.40K - $156.70K/yr

SR. PYTHON DEVELOPER This position is based out of our St Louis, MO office About ArchKey ArchKey is one of the nation's largest privately held specialty trade installation and integrated facility ...

Senior Python Developer

Fenton, MO

$116.40K - $156.70K/yr

Description SR. PYTHON DEVELOPER This position is based out of our St Louis, MO office About ArchKey ArchKey is one of the nation's largest privately held specialty trade installation and integrated ...

Senior Python Developer

Fenton, MO

$116.40K - $156.70K/yr

Description SR. PYTHON DEVELOPER This position is based out of our S t Louis, MO office About ArchKey ArchKey is one of the nation's largest privately held specialty trade installation and integrated ...

Senior Python Developer

Fenton, MO

$116.40K - $156.70K/yr

Senior Python Developer Location: Fenton, MO, United States Job Type: Full-Time Department: Business Services This position is based out of our St Louis, MO office About ArchKey ArchKey is one of the ...

Senior Python Developer

Fenton, MO · On-site

$116.40K - $156.70K/yr

Description SR. PYTHON DEVELOPER This position is based out of our S t Louis, MO office About ArchKey ArchKey is one of the nation's largest privately held specialty trade installation and integrated ...

Senior Python Developer

Rollingwood, TX · On-site

$117.70K - $158.40K/yr

Senior Python Developer Experience: 15+ Years Location:TX (Onsite) Work type: C2C Visa Type: , H1B,-EAD Job Summary: We are seeking an experienced Senior Python Developer with 15+ years of expertise ...

Sr Python developer

Plano, TX · On-site

$117K - $157.40K/yr

Scalence L.L.C. is seeking a Senior Python Developer with extensive experience in Python development. The role requires strong analytical skills and a solid understanding of Object-Oriented ...

Senior Python Developer

Mclean, VA

$124.60K - $167.70K/yr

Senior Python Developer 6 Months contract - Extension long term McLean , VA - On-site M-F Interview Type: In Person Must Have Qualifications: * 5+ years' experience of software development experience ...

Senior Python Developer

Mclean, VA · Remote

$124.40K - $167.40K/yr

As a Senior Python Developer, you will assist in leading the integration of a custom application ... This position supports a federal government contract and requires the ability to obtain and ...

Senior Python Developer

Mclean, VA · Remote

$122.80K - $165.30K/yr

As a Senior Python Developer, you will assist in leading the integration of a custom application ... This position supports a federal government contract and requires the ability to obtain and ...

Python Developer

Mclean, VA · Hybrid

$51.50 - $71/hr

Hands on Sr. Python Backend Developer with good Rest APIs development background * Application Development * Manager highly prefers someone with strong Fullstack background with Python RestAPIs ...

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Contract Sr Python Developer information

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$55K

$142K

$195K

How much do contract sr python developer jobs pay per year?

As of Jun 3, 2026, the average yearly pay for contract sr python developer in the United States is $141,976.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,500.00 and $163,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Contract Sr Python Developer, and why are they important?

To thrive as a Contract Sr Python Developer, you need advanced proficiency in Python programming, strong understanding of software development principles, and significant experience with backend frameworks and APIs. Familiarity with tools such as Django or Flask, version control systems like Git, and cloud platforms (e.g., AWS or Azure) is typically expected, along with a relevant degree or equivalent professional experience. Exceptional problem-solving ability, effective communication skills, and the capacity to work independently or in distributed teams distinguish top performers in this role. These skills ensure you can deliver high-quality, scalable solutions while collaborating efficiently in dynamic contract environments.

What are some common challenges faced by a Contract Sr Python Developer when integrating with existing systems?

As a Contract Sr Python Developer, one of the most common challenges is quickly understanding and adapting to legacy codebases and existing system architectures. You may encounter outdated documentation, varying coding standards, or integration points that require creative problem-solving. Effective communication with the in-house development team and stakeholders is crucial to clarify requirements, resolve ambiguities, and ensure smooth interoperability. Staying organized and proactive in addressing potential compatibility or security issues will help you deliver robust solutions within tight project timelines.

What does a Contract Sr Python Developer do?

A Contract Sr Python Developer is an experienced software engineer hired on a temporary or project basis to design, develop, and maintain applications using the Python programming language. They often work on complex projects, lead technical teams, and ensure high-quality code and best practices. Their responsibilities may include system architecture, code reviews, mentoring junior developers, and collaborating with other departments to deliver robust solutions.

What is the difference between Contract Sr Python Developer vs Contract Python Developer?

AspectContract Sr Python DeveloperContract Python Developer
Experience LevelSenior, with several years of experienceEntry to mid-level, with less experience
ResponsibilitiesDesigning complex systems, leading projectsImplementing features, supporting existing code
Required SkillsAdvanced Python, system architecture, mentorshipBasic to intermediate Python, scripting
Work EnvironmentFast-paced, often in larger teams or projectsSmaller projects, more hands-on coding

The main difference between a Contract Sr Python Developer and a Contract Python Developer lies in experience, responsibilities, and skill level. Senior developers typically handle complex tasks and lead projects, while entry-level developers focus on coding and support. Both roles are common in tech industries, but the senior role demands more expertise and leadership.

More about Contract Sr Python Developer jobs
What cities are hiring for Contract Sr Python Developer jobs? Cities with the most Contract Sr Python Developer job openings:
What are the most commonly searched types of Sr Python Developer jobs? The most popular types of Sr Python Developer jobs are:
What job categories do people searching Contract Sr Python Developer jobs look for? The top searched job categories for Contract Sr Python Developer jobs are:
Infographic showing various Contract Sr Python Developer job openings in the United States as of May 2026, with employment types broken down into 76% Full Time, 3% Part Time, and 21% Contract. Highlights an 80% In-person, 3% Hybrid, and 17% Remote job distribution, with an average salary of $141,976 per year, or $68.3 per hour.
Senior Python Developer

Senior Python Developer

Axelon

Irving, TX • On-site, Remote

$74 - $78/hr

Other

Posted 13 days ago


Job description

Sr Python Developer

Global Financial Firm located in Irving, TX has an immediate contract opportunity for an experienced Sr Python Developer. This role is currently on a hybrid schedule. You will need to have reliable internet, computer and android or iphone for remote access into the client systems during remote work. We will be expected in the office weekly 3 days depending on the team requirement. Video/f2f interviews are required prior to all offers. Pay rate range: $74.00 - $78.00 negotiable based upon years of experience.

Gen AI Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

Responsibilities
  • Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
  • Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
  • Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
  • Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
  • Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
  • Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
  • Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
  • Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Banking, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.
Recommended Qualifications

Experience: 8+ years in Python and AI (with 2+ year focused on GenAI/Agentic runtime)

Key Responsibilities
  • AI Agent Development: Build and orchestrate AI agents using frameworks like LangChain, AutoGen, or CrewAI, implementing self-healing workflows (e.g., Act-Verify-Refine loops).
  • LLM Integration & Backend: Develop robust backend systems using Python and TypeScript, integrating LLMs into microservices architectures.
  • Data Management for LLMs: Utilize vector databases (Pinecone, Milvus, Weaviate) for agent memory and architect Retrieval-Augmented Generation (RAG) pipelines to enhance LLM accuracy and contextual understanding.
  • Prompt Engineering: Design and optimize prompt strategies, including automated evaluation frameworks, for high-quality LLM output.
  • Context Engineering: Manage LLM information ecosystems, including system prompts, RAG implementation, and conversation history.
  • MLOps & Deployment: Oversee the end-to-end lifecycle of generative models, focusing on inference speed, cost-efficiency, and scalability on cloud platforms (AWS, GCP, Azure).
  • AI Ethics & Compliance: Ensure adherence to security standards, IP regulations, and safety guidelines for all generative models.
  • Tool Orchestration: Define and manage the API/tool access for AI agents to optimize accuracy.
Required Skills & Qualifications

Technical Proficiency: Strong command of Python, PyTorch, TensorFlow, and Hugging Face libraries. GenAI Experience: Hands-on experience with LangChain, LlamaIndex, vector databases, and fine-tuning techniques (LoRA, QLoRA). API & Backend: Proven ability to integrate AI models into web applications via APIs (OpenAI, Anthropic). Software Engineering: Solid understanding of software engineering best practices, including Git, CI/CD, and Docker.

Preferred Qualifications

Experience with multimodal AI models (image, video, audio generation). Published AI/LLM research or contributions to open-source AI projects. Background in AI governance or safety policy development. Education: Bachelor's degree/University degree or equivalent experience


Axelon logo

About Axelon

Sourced by ZipRecruiter

Axelon is a leading staffing and recruiting firm headquartered in New York, NY, US. Rooted within the staffing solutions industry, it was established with a mission to connect and leverage talent worldwide. Its official website is axelon.com. Axelon provides a range of services from staffing solutions to consulting services. With decades of service delivery experience under their belt, they possess an unrivaled ability to deliver global talent across all industries and professions, including information technology, administrative, engineering, professional, and scientific sectors. Axelon places strong emphasis on collaborative values, tirelessly working to build strong relationships with clients, candidates, employees, and vendors alike.

Industry

Recruiting and staffing services

Company size

501 - 1,000 Employees

Headquarters location

New York, NY, US

Year founded

1977

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