Senior Quantitative Researcher (OCaml Experience)

Role overview

Jane Street is hiring a Senior Quantitative Researcher (OCaml Experience) in New York, New York, United States. The listing places it in Quantitative Research and describes a data focus. This independent overview is written from the listing metadata on janestreet.com and verified on Aug 26, 2026. It is original editorial analysis, not a copy of the employer posting — use the application link for the authoritative description.

Signals from the posting highlight: Quantitative Research. Expect the day-to-day to emphasise collaboration, documentation and measurable outcomes typical of data teams in Web3.

Data and research roles turn on-chain and off-chain signals into decisions — dashboards, models and narratives that guide product, growth and treasury.

What you will do

In this role you will own outcomes, not just tasks. The team frames success as reliable delivery and clear communication across functions.

• Own front-line delivery: Triage requests, unblock users or stakeholders, and close the loop with concise updates.
• Turn ambiguity into process: Document workflows, update FAQs and internal runbooks, and share feedback that improves the product.
• Collaborate across functions: Work with engineering, product and community to route bugs, feature requests and data needs.
• Improve tooling: Use help-desk, analytics and on-chain explorers to diagnose issues and propose fixes.
• Raise the bar on communication: Write crisp, empathetic updates for users with varied Web3 experience.

What will help you succeed

Beyond the specific stack (Quantitative Research), hiring managers weigh how you work under uncertainty and across time zones.

• 2+ years in a relevant data or operations-adjacent role with evidence of shipping or supporting a live product.
• Clear written English and comfort explaining technical concepts simply.
• Experience with ticketing, remote collaboration and async updates.
• Empathy for users new to blockchain, plus judgement about when to escalate.

About Jane Street

Jane Street operates in the Web3 ecosystem where reliability and user trust compound over time. Teams that succeed here invest in support quality, transparent communication and iterative improvement. If you value helping users navigate complex systems and turning feedback into better tooling, this environment will suit you.

Location and work setup

Location is listed as New York, New York, United States. Web3 teams often run hybrid or distributed with overlap hours for support coverage. Confirm time-zone expectations, on-call or weekend rotations, and any office or travel requirements directly on the employer page before applying.

Compensation and benefits

Compensation, equity, token grants and benefits are employer-specific and not listed in our index. Review the posting on janestreet.com for the current package and eligibility. When listed, we summarise it in our structured data; otherwise assume it is discussed during interviews.

How to apply

Apply via the authoritative employer link. Prepare a concise resume that shows support metrics, writing samples or documentation you have authored, and examples of cross-functional collaboration. Tailor your cover note to Jane Street and the Senior Quantitative Researcher (OCaml Experience) scope. Verify all details on the source before submitting.

Listing details

• Source: janestreet.com
• Last posted or verified: Aug 26, 2026
• Listing reference: trader45002

Build a standout application

For the Senior Quantitative Researcher (OCaml Experience) at Jane Street, reviewers look for concise evidence over buzzwords. Mirror the language of the posting sparingly, quantify support or delivery outcomes, and show how you handled ambiguity, time-zone collaboration and user empathy. Keep your resume to impact, keep your cover note to one page, and link to artifacts — tickets resolved, docs shipped, dashboards owned — that prove you can operate in a fast-moving Web3 team. Prepare to discuss a time you turned a confusing user report into a clear fix and how you measure quality in support and operations.

Web3 hiring values reliability: on-time follow-through, clear writing, and a track record of improving runbooks and tooling. Treat the application as a work sample. For interviews, be ready to walk through how you prioritize across time zones, handle a difficult user, and decide when to escalate versus resolve directly. Show how you document decisions so the next teammate benefits.

In a distributed Web3 org, trust builds through written clarity. Use the cover note to demonstrate it. Add links to public work, keep formatting scannable, and close with a clear ask. Hiring managers skim — make impact obvious in the first half-page.

Career growth in Web3 rewards continuous learning. Follow protocol changelogs, practice with testnets, and contribute to open issues. Small, consistent contributions compound into credibility more than one-off credentials.