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Largeton Group

Python Developer

Largeton Group
United States · Contract · Mid-Senior

Job Title: Python Developer,

Location: Plano, TX and Jersey City, NJ (Hybrid)-(no flex)

Mode of work: Hybrid (minimum of 3 days onsite and 2 days remote per week).

Contract: 12-18 months with possible extension up to 24 months

Linkedin- Yes

We are seeking a Senior Software Developer to join Enterprise Risk and Finance Technology team. The successful candidate will play a hands-on development role, contributing to the design, build, and enhancement of mission-critical surveillance applications that support compliance and regulatory initiatives. This role requires strong technical expertise, ownership of deliverables across monthly release cycles, and active participation in resolving regulatory driven initiatives through the Initiative program on the internal Quartz platform.

Key Responsibilities

  • Serve as a hands-on senior developer primarily using Python, contributing to core components of compliance applications
  • Design, develop, and maintain scalable, high-performance applications with a focus on reliability and regulatory compliance
  • Own and manage assigned JIRA stories, ensuring timely and high-quality delivery aligned with monthly release cycles
  • Develop and support solutions within the Quartz platform, addressing audit findings and surveillance control enhancements
  • Build and consume REST services and collaborate on full-stack UI development using modern frontend technologies
  • Partner closely with quantitative researchers, business analysts, compliance, and audit stakeholders
  • Analyze complex domain-specific datasets to support surveillance, risk, and monitoring use cases
  • Participate in code reviews, architectural discussions, and continuous improvement initiatives

Top Technical Skillsets

  • Python
  • REST API Development
  • ReactJS / Full-Stack Development

Top Soft Skills

  • Strong verbal and written communication skills
  • Self-starter with strong ownership and accountability
  • Excellent analytical and problem-solving skills
  • 5+ years of hands-on programming experience in an object-oriented language
  • Proven, production-level Python development experience
  • 3+ years of experience as a senior developer supporting front-office applications within banking or financial services
  • 3+ years of experience as a quantitative researcher and/or developer, with the ability to analyze complex domain-specific data
  • 3+ years of experience in REST services, ReactJS, or full-stack application development
  • Strong experience with both Object Databases and Relational Databases
  • Solid understanding of software development lifecycle (SDLC), version control, and CI/CD practices
  • Knowledge of Fixed Income, Equity products and related market structures
  • 2+ years of experience developing risk and pricing applications
  • Experience or strong understanding of Trade Surveillance, Market Misconduct, and Global Markets Compliance
  • Subject matter expertise or prior experience working on the Quartz platform within Banking domain.

Domain Focus

Team is focused on market manipulation use cases

Example: large trade orders placed and withdrawn same day

Candidates will move to the front of the list if they have experience with:

Capital markets experience

Fixed income / equities knowledge

Trade surveillance (major differentiator)



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    Key Skills

    Ranked by relevance

    python reactjs technical expertise cicd jira ui
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    Posted
    May 12, 2026
    Type
    Contract
    Level
    Mid-Senior
    Location
    Jersey City

    Industries

    IT Services IT Consulting

    Categories

    Engineering Information Technology

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