Senior Python Developer

Job#: 3021597

Job Description:

Job Title: Senior Python Developer

Duration: 12 Months

Location: Jersey City NJ (Hybrid)

Payrate: $65.00 - 68.26/hr

Position Summary

We are seeking an experienced Senior Python Developer on a contract basis to support our banking technology and Generative AI initiatives. This role involves building secure, scalable applications and advanced AI-driven solutions for critical document processing, risk analytics, and compliance reporting.

Key Responsibilities

Develop object-oriented applications using Python with expert-level software engineering practices.

Work with Vector Databases for embedding storage and retrieval optimization.

Design and implement GenAI lifecycle management and RAG pipelines (chunking, embedding, retrieval, re-ranking, summarization) for banking use cases.

Evaluate and test embedding models and frameworks for performance, latency, memory, and cost optimization.

Apply prompt engineering, hallucination mitigation, and grounding techniques for AI solutions.

Build API-driven applications using FastAPI, API Gateway, and integrate with MongoDB, Redis, and front-end frameworks (Angular/React).

Develop utilities, automation frameworks, and data pipelines to support AI/ML and GenAI initiatives.

Create monitoring dashboards and automation scripts for system health and performance.

Collaborate with DevOps teams using enterprise tools (Git/Bitbucket, Jenkins, SonarQube, Artifactory, Ansible).

Work with large cross-functional teams to deliver secure, compliant, and scalable solutions.

Explore Agentic architecture for orchestration and multi-step reasoning in AI workflows.

Required Skills

5+ years of experience in object-oriented programming using Python with strong software development skills.

Deep experience in GenAI lifecycle management and RAG pipelines.

Expertise in prompt engineering and AI safety techniques.

Hands-on experience with MongoDB, Redis, FastAPI, containerization (Docker/Kubernetes), and API integrations.

Strong knowledge of model testing and evaluation frameworks for performance and reliability.

Solid understanding of DevOps practices and enterprise tooling.

Understanding of Kafka queue integration and configurations.

Ability to deploy python code on to containers using OpenShift and docker etc.

Ability to work effectively with large cross-functional teams in a regulated environment.

Experience with cloud platforms (AWS, Azure) and serverless architectures.

Knowledge of Agentic architectures and orchestration frameworks.

Exposure to AI/ML use cases in regulatory relations or risk analytics.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.