Demo

Market Connectivity Engineer - FIX Implementations

Millennium
York, NY Full Time
POSTED ON 12/16/2025
AVAILABLE BEFORE 6/10/2026
We are seeking a candidate with strong experience in financial markets technology to join our Market Connectivity team. This global team is responsible for developing and maintaining front-office trading solutions,

collaborating with brokers, exchanges, ECNs, and third-party platforms across all asset classes and regions.

Principal Responsibilities

In this role, the candidates primary focus will be on onboarding external trading teams, ensuring seamless integration of third-party trading systems with the Millennium eco-system.

Qualifications/Skills Required

  • Bachelor’s degree in Computer Science or a related field.
  • 5 years Java programming with multi-threading development experience.
  • C development is a plus.
  • A solid understanding of object-oriented programming is required.
  • 3 years of financial institution experience required.
  • Strong FIX protocol knowledge is required, FIX 4.2 – FIX 5.0.
  • Knowledge of binary trading protocols is a plus.
  • Must have excellent written and verbal communications skills.
  • Extensive Linux development experience required.
  • Must have a strong understanding of market structure for equities, futures, options and FX products.
  • Must have a working knowledge of networking protocols - TCP/IP & multicast.
  • Must be able to troubleshoot production issues (Level "3" support).

The estimated base salary range for this position is $160,000 to $250,000, which is specific to New York and may change in the future. Millennium pays a total compensation package which includes a base salary, discretionary performance bonus, and a comprehensive benefits package. When finalizing an offer, we take into consideration an individual’s experience level and the qualifications they bring to the role to formulate a competitive total compensation package.

Salary : $160,000 - $250,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Market Connectivity Engineer - FIX Implementations?

Sign up to receive alerts about other jobs on the Market Connectivity Engineer - FIX Implementations career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$79,540 - $98,616
Income Estimation: 
$97,686 - $120,598
Income Estimation: 
$102,517 - $196,564
Income Estimation: 
$105,679 - $151,773
Income Estimation: 
$90,707 - $120,959
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Millennium

  • Millennium York, NY
  • Position Details General trading surveillance reviews, including focus on potential market manipulation and insider trading. Monitoring daily surveillance ... more
  • 14 Days Ago

  • Millennium York, NY
  • Quantitative Researcher, Systematic Macro Please direct all resume submissions to QuantTalentUS@mlp.com . Millennium is a top tier global hedge fund with a... more
  • 14 Days Ago

  • Millennium York, NY
  • Technical Project Manager – Equity Derivatives Technology Millennium is a top tier global hedge fund with a strong commitment to leveraging innovations in ... more
  • 14 Days Ago

  • Millennium York, NY
  • As a member of the Digital Assets technology group, you will join platform team, managing full lifecycle of trading, data and analytics, reconciliation, an... more
  • 14 Days Ago


Not the job you're looking for? Here are some other Market Connectivity Engineer - FIX Implementations jobs in the York, NY area that may be a better fit.

  • Phaxis York, NY
  • Salary is 125,000 to 155,000 2 days remote and 3 days onsite FIX Integration Engineer with strong experience in trading systems, client connectivity, and F... more
  • 3 Days Ago

  • Cantor Fitzgerald York, NY
  • Job Title: Lead Equities FIX Engineer Location: New York, NY Firm Overview: Cantor Fitzgerald L.P., with over 14,000 employees, has been a leading global f... more
  • 26 Days Ago

AI Assistant is available now!

Feel free to start your new journey!