Summer 2027
Software Engineer Intern
Summer 2027
Posted on 8/7/2026
Trillium
201-500 employees
Proprietary trading firm with in-house technology
Compensation Overview
$25/hr
New York, NY, USA
In Person
Bachelor's
 Software Engineering (1) |
|---|
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- Preference for a recently completed degree in Computer Science, Computer Information Systems, Mathematics, or a related field; candidates pursuing these degrees will also be considered.
- Proficiency in programming languages such as Python, C++, and C#.
- Familiarity with software development methodologies, tools, and version control systems.
- Strong analytical skills and a solid understanding of algorithms and data structures.
- Ability to work collaboratively in a dynamic, fast-paced environment.
- Collaborate with the software engineering team on the development and maintenance of trading systems and applications.
- Assist in designing, coding, and debugging applications using best practices in software development.
- Support the integration and testing of software solutions across multiple systems.
- Conduct research on relevant technologies and methodologies to improve existing systems.
- Participate in code reviews and contribute to the overall improvement of code quality.
- Document work processes and code modifications.
Trillium Trading is a proprietary trading firm active in US, Canadian, and OTC equities. Its core activity is trading using in-house developed technology, tested and optimized by its engineers in collaboration with traders to create tools that support fast, informed decisions in the markets. The company’s products are trading workflows and software that help traders execute and manage strategies efficiently, rather than consumer-facing software. What sets Trillium apart is its combination of long-term experience (a 20-year track record of growth and profitability), in-house, engineer-trader collaboration, multiple trading floors, and a culture of problem-solving and independent thinking. The firm also emphasizes social impact through its philanthropic initiative, Trillium Cares, which funds education, social equity, and humanitarian aid. The goal is to seize market opportunities and grow profitability while giving back to communities.
Company Size
201-500
Company Stage
N/A
Total Funding
N/A
Headquarters
New York City, New York
Founded
2003
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Simplify's Take
What believers are saying
- May 2026 NYC student trek shows active recruiting for Summer 2027 and Fall 2026.
- Trillium Surveyor won April and June 2026 awards, boosting cross-sell and reputation.
- The firm keeps publishing market outlooks, signaling active market presence and institutional ambition.
What critics are saying
- FINRA’s 2010 $1 million case still defines Trillium’s brand with regulators and recruits.
- Public evidence stays thin on revenue, profitability, and headcount, making performance opaque.
- Trading firms face brutal talent churn; one weak cycle can quickly hollow out a desk.
What makes Trillium unique
- Trillium Surveyor won 2026 trade-surveillance awards, signaling durable software credibility beyond pure prop trading.
- Trillium Trading still recruits traders, technologists, and data talent in New York City.
- Ben Baller has led trading since 2008, giving Trillium unusually long desk continuity.
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Benefits
Health Insurance
Dental Insurance
401(k) Company Match
Parental Leave
Commuter Benefits
Meal Benefits
Hybrid Work Options
Paid Vacation
Company News
Trillium Trading, a leading proprietary trading firm headquartered in New York City, announces Benjamin (Ben) Baller to be appointed as Managing Director of Trading, effective January 2023.
Trillium Labs, a pioneering financial technology service provider, has relaunched an enhanced version of their best execution tool, one of many offerings for their post-trade surveillance software, Surveyor. This latest upgrade provides customers with advanced and intuitive visualizations, highlighting key metrics to accurately monitor execution quality. Using full depth-of-book market data, users can analyze pricing outliers and execution quality on the most granular level and display them with customizable charts, making it easier than ever to protect their business and their clients' best interests. "The latest iteration of our best execution software was built to bridge the gaps our customers have been experiencing in the industry de facto solutions. The upgraded technologies optimize required quality analysis and feature additional functionality to ensure financial institutions have a holistic, and commercial, best execution solution." - Melissa Watras, Director of Product at Trillium Labs
Trillium Labs, a pioneering financial technology service provider, announced today that Figure Technologies Inc. (Figure™), a leader in transforming financial services through the power of blockchain, will now use Trillium Labs' Surveyor enterprise trade surveillance solution for the Figure ATS, an alternative trading system that is registered with the U.S. Securities and Exchange Commission (SEC) and that is part of Figure's Marketplace trading platform. Figure Technologies is the first blockchain client of Surveyor, which has been steadily growing its digital asset coverage. "After launching the Figure ATS, we knew a trade surveillance partner was needed who could provide the necessary support that would allow us the ability to effectively monitor for unique behavior and activity. The Surveyor enterprise trade surveillance solution enables us to continue fulfilling our regulatory obligations, while also helping protect the integrity of the Figure ATS," said Brian Vecchio, Figure Marketplace's BSA/AML Officer