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Senior Software Language Engineer – Python

Senior Software Language Engineer – Python

680 PartnersWestport, CT, USA
[job_card.full_time]
Senior Software Language Engineer – Python.Location : CT / NY (Hybrid) (onsite 2 days per week in our CT location) Industry : Hedge Fund / Systematic Trading / Advanced Platform Engineering • •NOT A C...[show_more][last_updated.last_updated_30]
Junior MERN Stack Developer

Junior MERN Stack Developer

SynergisticITBridgeport, CT, US
[job_card.full_time]
All Positions are open for all visas and US citizens.We are matchmakers we provide clients with candidates who can perform from day 1 of starting work. In this economy no client wants or has the res...[show_more][last_updated.last_updated_30]
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OTC Business Developer (FinTech / Cryptocurrency)

OTC Business Developer (FinTech / Cryptocurrency)

Black Pen RecruitmentBridgeport, CT, US
[job_card.full_time]
OTC Business Developer (FinTech / Cryptocurrency).Our client is an American-based company that is expanding globally by being one of the first movers to bring cryptocurrency to Africa and the Middle ...[show_more][last_updated.last_updated_30]
Remote Senior Python Engineer - AI Trainer

Remote Senior Python Engineer - AI Trainer

SuperAnnotateMilford, Connecticut, US
[filters.remote]
[job_card.full_time]
As a Senior Python Engineer, you will work remotely on an hourly paid basis to review AI-generated Python solutions and technical explanations, as well as generate high-quality reference content th...[show_more][last_updated.last_updated_variable_days]
Account Manager / Sales / Business Developer

Account Manager / Sales / Business Developer

Hamilton ConnectionsMilford, CT, US
[job_card.full_time] +1
[filters_job_card.quick_apply]
Hamilton Connections is currently looking for an Account Manager / Business Developer, for a local manufacturing facility. This opportunity is a full-time, permanent, in-office / hybrid role.Primary r...[show_more][last_updated.last_updated_30]
Filemaker Developer 1 year contract Hartford, CT 06107 (Remote)

Filemaker Developer 1 year contract Hartford, CT 06107 (Remote)

Lorven TechnologiesConnecticut, United States
[filters.remote]
[job_card.full_time]
Location : Hartford, CT 06107 (Remote).Develop software in compliance with the client Architecture Standards and Methodologies. Acquire detailed knowledge of vendors’ software and systems to facilita...[show_more][last_updated.last_updated_30]
Front End Developer

Front End Developer

IDOC LLCTrumbull, CT, US
[job_card.full_time]
For more than twenty years, IDOC has remained committed to the success of independent optometrists and has become the leading alliance of private optometric practice owners in the United States.Fou...[show_more][last_updated.last_updated_variable_days]
Java Developer (CT)

Java Developer (CT)

Cooperidge Consulting FirmBridgeport, CT, US
[job_card.full_time]
Cooperidge Consulting Firm is seeking.H-1B sponsorship and relocation assistance are available for qualified candidates.Design and develop scalable backend services and algorithms using Java and re...[show_more][last_updated.last_updated_30]
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Remote Side Hustle Developer

Remote Side Hustle Developer

Finance BuzzOrange, Connecticut, US
[filters.remote]
[job_card.full_time] +1
This position is for individuals who want to develop a side income stream while still working full time.You will test different small-scale remote opportunities, learn what works, and grow what pro...[show_more][last_updated.last_updated_30]
Senior Software Language Engineer – Python

Senior Software Language Engineer – Python

680 PartnersWestport, CT, USA
[job_card.30_days_ago]
[job_preview.job_type]
  • [job_card.full_time]
[job_card.job_description]

Job Description

Senior Software Language Engineer – Python

Location : CT / NY (Hybrid) (onsite 2 days per week in our CT location)

Industry : Hedge Fund / Systematic Trading / Advanced Platform Engineering

  • NOT A CONTRACT ROLE.
  • YOU MUST BE IN A FULL TIME ROLE CURRENTLY, (NO CONTRACTORS).

About the Role

A leading systematic hedge fund is seeking a Senior Software Language Engineer (Python) to help shape the firm’s Python-based research and execution platform.

This is a hands-on, deeply technical role (90% coding) focused on evolving the Python runtime, performance, and data infrastructure that power large-scale quantitative research and algorithmic trading systems.

You’ll be part of a small, world-class engineering team building the platform layer, not applications — designing, optimizing, and extending Python to support cutting-edge modeling, simulation, and execution pipelines used by researchers and data scientists across the firm.

What You’ll Do

Architect and evolve the firm’s Python ecosystem for research and execution — from runtime optimization to distributed data frameworks.

Write and optimize thousands of lines of production-grade, performance-critical Python code.

Collaborate directly with quantitative researchers and data scientists to translate mathematical logic into highly performant systems.

Mentor and guide other senior engineers on advanced Python design patterns, performance tuning, and ecosystem best practices.

Integrate and extend modern Python frameworks (NumPy, Pandas, PyArrow, Polars, PyTorch, etc.) for scalable analytics and compute.

Continuously improve research throughput and trading performance through data-driven engineering enhancements.

Why It’s Different

Operate with the autonomy and speed of a startup, within the rigor and scale of a top hedge fund.

Collaborate with some of the most advanced minds in quantitative research and distributed computing.

Your work directly impacts trading performance, research velocity, and platform evolution.

Restrictions

  • No telecommuting
  • No Agencies Please

    • Requirements

    What We’re Looking For

    5-10 years of professional software development experience in high-performance or data-intensive systems (finance, trading, or high-growth startups).

    Expert-level Python engineer — you understand internals (GIL, C-extensions, async I / O, memory profiling) and write optimized, clean, reliable code.

    An ability to produce highly optimized python code for performance critical functions

    Familiarity with the Python Data Science Ecosystem

    A highly analytical mindset and understanding of how programming languages can express macroeconomic mathematical logic.

    Strong background in computer science, mathematics, or quantitative fields.

    Deep familiarity with the Python data-science and compute ecosystem.

    Experience designing or extending programming languages, compilers, or DSLs a major plus.

    Highly analytical mindset — fluent in algorithms, systems design, and mathematical reasoning.

    Track record of building core platforms, SDKs, or frameworks, not just applications.

    A degree in Mathematics or Computer Science

    From a leveling perspective : this role aligns to an L5 / E5 engineer at FAANG-caliber companies — highly senior, deeply hands-on, and operating at a staff-level technical depth without management responsibilities.

    About the Company

    One of the top hedge funds in the world.