Junior Python Developer Internship Jobs in New Jersey

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This job is responsible for developing and delivering complex requirements to accomplish business goals. Key responsibilities of the job include ensuring that software is developed to meet functional, non‑functional and compliance requirements, and solutions are well designed with maintainability/ease of integration and testing built‑in from the outset. Job expectations include a strong knowledge of development and testing practices common to the industry and design and architectural patterns.

This role is for a Senior Python Developer within the Quantitative Investment Strategies (QIS) Technology team, responsible for the design, development, and evolution of a complex, large‑scale technology platform supporting the creation, calculation, lifecycle management, reporting, and hedging of QIS products. The platform supports 1,000+ live Equities QIS products and is built on a distributed, service‑oriented architecture on Quartz platform with stringent requirements around performance, scalability, and reliability.

The ideal candidate will be an extremely hands‑on senior engineer and architect with deep Python expertise and a strong track record of building and operating high‑performance, scalable systems in a front‑office environment. The role requires close engagement with front office and quant stakeholders to address critical business queries, resolve production issues, and deliver strategic enhancements. The candidate will play a key role in leading and executing complex technology initiatives, mentoring junior and intermediate developers, driving architectural decisions, and identifying opportunities to modernize, simplify, and improve the overall QIS technology platform. This position demands strong technical judgment, ownership mindset, and the ability to balance day‑to‑day delivery with longer‑term platform strategy.

• Codes solutions and unit test to deliver a requirement/story per the defined acceptance criteria and compliance requirements
• Designs, develops, and modifies architecture components, application interfaces, and solution enablers while ensuring principal architecture integrity is maintained
• Mentors other software engineers and coach team on Continuous Integration and Continuous Development (CI‑CD) practices and automating tool stack
• Executes story refinement, definition of requirements, and estimating work necessary to realize a story through the delivery lifecycle
• Performs spike/proof of concept as necessary to mitigate risk or implement new ideas
• Act as a senior hands on developer and technical leader for the QIS technology platform, contributing directly to core codebase.
• Design, build, and maintain performant, scalable, and resilient services supporting creation, lifecycle management, reporting, and hedging of QIS products.
• Enhance, maintain and redesign a highly performant, scalable, and resilient service for consuming and caching market data services.
• Own and drive architecture and design decisions across a complex, multi service platform, ensuring alignment with business growth and performance requirements.
• Partner closely with front office, quants, trading, and risk teams to understand requirements, address critical queries, and resolve high impact production issues.
• Lead the delivery of strategic projects, from requirements and design through implementation, testing, and production rollout.
• Identify and execute opportunities for platform redesign, refactoring, and modernization, improving scalability, latency, reliability, and developer productivity.
• Apply best practices in software engineering, including code quality, testing, observability, and operational excellence.
• Guide, mentor, and review the work of junior and intermediate developers, setting high engineering standards across the team.
• Contribute to incident analysis, root cause investigations, and ongoing improvements to system stability and performance.
• Collaborate with Global Technology teams to ensure consistent architecture, tooling, and development practices.

• 7+ years of hands‑on software development experience, with deep expertise in Python in production environments.
• Strong experience designing and implementing large‑scale, distributed systems with complex business logic.
• Strong experience and knowledge of Object Oriented Programming concepts.
• Proven ability to act as a technical architect, defining system designs, APIs, data flows, and inter - service interactions.
• Demonstrated experience building high‑performance and scalable solutions; experience with low‑latency systems is a significant plus.
• Experience working directly with front office or quantitative stakeholders in a capital markets environment.
• Strong knowledge of software performance optimization, concurrency, and resource management.
• Experience leading projects and taking end‑to‑end ownership of delivery.
• Excellent communication skills, with the ability to explain complex technical concepts to both technical and non‑technical audiences.
• Strong mentoring skills and a demonstrated ability to develop junior talent.

• Knowledge of pricing, hedging, or lifecycle management systems in Capital Markets.
• Prior experience modernizing or re‑architecting platforms in a regulated environment.
• Hands on experience with Quartz or similar platforms – Athena, Beacon etc.

• Application Development
• Automation
• Influence
• Solution Design
• Technical Strategy Development
• Architecture
• Business Acumen
• DevOps Practices
• Result Orientation
• Solution Delivery Process
• Analytical Thinking
• Collaboration
• Data Management
• Risk Management
• Test Engineering

Shift: 1st shift (United States of America)

Hours Per Week: 40

US - NJ - Jersey City - 525 Washington Blvd (NJ2525) Pay and benefits information Pay range$102,900.00 - $179,900.00 annualized salary, offers to be determined based on experience, education and skill set.

• Discretionary incentive eligible
• This role is eligible to participate in the annual discretionary plan. Employees are eligible for an annual discretionary award based on their overall individual performance results and behaviors, the performance and contributions of their line of business and/or group; and the overall success of the Company.
• Benefits: This role is currently benefits eligible. We provide industry‑leading benefits, access to paid time off, resources and support to our employees so they can make a genuine impact and contribute to the sustainable growth of our business and the communities we serve.