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Freelance Java Developer Startup Jobs in Illinois

TransMarket Group

Junior Algorithmic Trader

Chicago, IL · On-site

$69K - $89K/yr

... also is like a startup because the potential of our group is at least one order of magnitude ... Proficiency and experience in object-oriented programming languages, C++, Python and/or Java ...

Rate

Software Engineering Manager

Chicago, IL · On-site

$180 - $240/hr

Deep expertise in Java, React, Node.js, Python etc. Experience with microservices, event-driven ... Startup or high-growth company experience is a plus.**Other Useful Details**Employee Type: Full ...

Grindr

Staff Software Engineer, Backend

Chicago, IL · On-site

$152K - $203K/yr

Experience with the JVM and at least one JVM language such as Java, Kotlin, and Scala. Experience ... We're embedding AI into our product and operations, moving with startup speed while operating at ...

Convr

Forward Deployed Engineer

Schaumburg, IL · On-site +1

Forward Deployed Software Engineer About Convr: Convr is an AI underwriting, data, and intelligent ... startup environments. * Strong coder with shown proficiency in TypeScript/JavaScript, Python, Java ...

Convr

Forward Deployed Engineer

Schaumburg, IL · On-site

Forward Deployed Software Engineer About Convr: Convr is an AI underwriting, data, and intelligent ... startup environments. * Strong coder with shown proficiency in TypeScript/JavaScript, Python, Java ...

Grindr

Staff Full Stack Engineer

Chicago, IL · On-site

$152K - $203K/yr

Strong back-end experience in at least one modern language (Java, Kotlin, Node.js, Python, or Go ... We're embedding AI into our product and operations, moving with startup speed while operating at ...

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Freelance Java Developer Startup information

What is the difference between Freelance Java Developer Startup vs Freelance Java Developer Corporate?

AspectFreelance Java Developer StartupFreelance Java Developer Corporate
Work EnvironmentIndependent, flexible, project-basedRemote or office-based, structured projects
Client InteractionDirect with startups or small teamsOften with corporate clients or departments
Project ScopeVaried, often innovative or MVP developmentLong-term, maintenance, or enterprise solutions
Required CredentialsJava certification, portfolio, experienceJava certification, experience, possibly more formal credentials

Freelance Java Developer Startup roles typically involve working independently on diverse projects for startups, emphasizing innovation and flexibility. In contrast, Freelance Java Developer Corporate roles often focus on structured, long-term projects for established companies, with more formal client interactions and expectations.

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Junior Algorithmic Trader

TransMarket Group

Chicago, IL • On-site

$69K - $89K/yr

Full-time

Posted 15 days ago

Job description

Who We Are

Founded in 1980 as Aardvark Financial, TransMarket Group (TMG) is a privately held global markets proprietary trading firm in Chicago. We use next-generation technology to capture opportunities around the world and manage risk in financial markets. Our mission is to bless others through the services we provide and through the generous stewardship of the wealth we create.

TMG is a well-established and profitable business as a respected member of the global financial system for over 40 years, but also is like a startup because the potential of our group is at least one order of magnitude greater than what we are currently producing. We have an entrepreneurial culture and collaboratively develop our business with patience and discipline; we work hard, learn constantly, and relentlessly improve our expertise.

Description

Our Algorithmic Traders use their expert understanding of the financial markets and market microstructure to develop relative value arbitrage trading software and build and improve trading strategies. As a Junior Algorithmic Trader, you will have the opportunity to experience relative value arbitrage trading paired with innovative software. You will partner with Senior Traders to assist and learn all facets of automated trading. From researching and analyzing high-frequency tick data and trading performance, to building mathematical models and performing time series analysis, you will experience a deep dive into real-time trading and gain exposure to build your expertise. The ideal candidate is intellectually curious, technically analytical, and has the desire to learn and apply programming skills in a fast-paced environment (Python, C++).

Responsibilities

  • Work with Senior Algorithmic Traders to assist and learn all facets of automated trading
  • Develop expertise in market microstructure, tick data, and automated trading systems
  • Learn and master object-oriented programming languages (C++ and Python)
  • Build and maintain trading quantitative model tools and analytics
  • Develop, code, maintain and support production quality automated trading softwares and strategies
  • Improve strategies and trade execution by performing post trade analyses and developing prediction models

Requirements

  • Pursuing a Bachelor's, Master's, or Doctorate in a technical field such as but not limited to STEM or Finance with a graduation date between December 2026 and Spring 2027 or 1-2 years pertinent industry experience
  • Required courses: Data structures, Probability, Statistics and Linear Algebra
  • Minimum major GPA of 3.5/4 or equivalent scale
  • Proficiency and experience in object-oriented programming languages, C++, Python and/or Java preferred
  • Proficiency and experience in Linux scripting are a plus
  • Demonstrated passion for markets, finance, and trading such as, but not limited to personal trading, participation in trading competitions, attendance at firm discover days, industry related student groups or clubs and/or prior internship experience preferred
  • Project or internship experience in data analysis, quantitative modeling and/or machine learning
  • Passion for math and software applied to markets and trading
  • Strong understanding of computing, math, probability, statistics, and finance
  • Strong work ethic and willingness to do what it takes to get the job done
  • Excellent verbal and written communication skills
  • Ability to work within a team in a fast-paced environment
  • This position requires physical presence and is onsite at our office in Chicago, IL

View our resources to prepare for the interview process

Benefits

We offer one of the most generous profit sharing programs in the industry because we believe our employees should be able to take part in our rapid growth and success. We are proud to offer more world-class benefits for our full-time employees and their families.

TransMarket Group is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, gender, sexual orientation, gender identity or expression, religion, national origin, marital status, age, disability, veteran status, genetic information, or any other protected status.