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Ocaml Programming Jobs (NOW HIRING)

Ahrefs

OCaml Developer

Cambridge, MA · On-site

... developer with deep understanding of networks, distributed systems, OS fundamentals and taste for simple and efficient architectural designs. Our backend is mostly implemented in OCaml with some C+

Jane Street

Trader (OCaml Experience)

New York, NY · On-site

Trader OCaml Experience Jane Street Group, LLC has multiple openings for the role of Trader in New ... The position requires a 3 or 4 year Bachelor's degree in Mathematics, Physics, Engineering ...

Jane Street

Trader (OCaml Experience)

New York, NY · On-site

Trader OCaml Experience Jane Street Group, LLC has multiple openings for the role of Trader in New ... The position requires a 3 or 4 year Bachelor's degree in Mathematics, Physics, Engineering ...

Jane Street

Quantitative Trader

New York, NY · On-site

We use OCaml, a statically-typed functional programming language, as our primary development language, and have the largest team of OCaml engineers in any industrial setting. About You We are looking ...

Jane Street

Quantitative Trader

New York, NY · On-site

We use OCaml, a statically-typed functional programming language, as our primary development language, and have the largest team of OCaml engineers in any industrial setting. About You We are looking ...

Jane Street

Programming Language Engineer

New York, NY · On-site

Programming languages work at Jane Street spans a wide variety of different areas: * Language ... Some of this work involves working on open-source language implementations, like those of OCaml and ...

Jane Street

Software Engineer

New York, NY

We are big believers in functional programming and, using OCaml, a statically -typed functional programming language, as our primary tool. More recently, Python has become a vital part of Jane Street ...

Jane Street

Software Engineer

New York, NY · On-site

We are big believers in functional programming and, using OCaml, a statically -typed functional programming language, as our primary tool. More recently, Python has become a vital part of Jane Street ...

Jane Street

Hardware Engineer (FPGA/ASIC)

New York, NY · On-site

While you don't need to have worked with OCaml specifically, a good background in typed programming languages is a plus. If you'd like to learn more, you can read about our interview process, meet ...

Jane Street

Hardware Engineer (FPGA/ASIC)

New York, NY · On-site

While you don't need to have worked with OCaml specifically, a good background in typed programming languages is a plus. If you'd like to learn more, you can read about our interview process, meet ...

Jane Street

Hardware Engineer (FPGA/ASIC)

New York, NY · On-site

About You We don't expect you to have a background in finance, OCaml, functional programming, or any other specific field- we're looking for smart people who enjoy solving interesting problems. We're ...

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How much do ocaml programming jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for ocaml programming in the United States is $54.36, according to ZipRecruiter salary data. Most workers in this role earn between $43.99 and $63.46 per hour, depending on experience, location, and employer.

What is an OCaml programming?

An OCaml Programming job involves developing software applications using the OCaml language, a functional and strongly-typed programming language known for its performance and reliability. These roles often require expertise in functional programming, type systems, and algorithm design. Developers may work on projects related to finance, formal verification, compilers, or systems programming. Tasks can include writing and optimizing OCaml code, debugging, and collaborating with teams to build efficient software solutions.

What does an OCaml programmer do?

As an OCaml programmer, your daily responsibilities often include designing, coding, testing, and maintaining software modules written in OCaml, as well as participating in code reviews and debugging sessions. You'll work closely with other developers, product managers, and sometimes clients to clarify requirements and ensure deliverables meet project goals. Collaboration is key, as teams frequently employ agile methodologies and continuous integration practices to manage code quality and releases. Additionally, you may contribute to improving internal tools or open-source libraries that support the OCaml ecosystem, fostering a culture of learning and innovation.

What are the key skills and qualifications needed to thrive in an OCaml programming position?

To excel in an OCaml Programming role, you should have a strong background in functional programming, computer science fundamentals, and experience with OCaml or similar languages. Familiarity with build tools like dune, package managers such as opam, and knowledge of version control systems like Git are highly valued, along with any certifications in software engineering. Soft skills like problem-solving, teamwork, and effective communication help individuals stand out when collaborating on complex codebases. These attributes are vital for creating robust, maintainable software and working efficiently in technical teams.

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Ocaml Programming jobs near you
Infographic showing various Ocaml Programming job openings in the United States as of August 2026, with employment types broken down into 1% Internship, 81% Full Time, 13% Part Time, 4% Contract, and 1% Nights. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $113,061 per year, or $54.4 per hour.

OCaml Developer

Ahrefs

Cambridge, MA • On-site

Full-time

Re-posted 13 days ago

Job description

Ahrefs is looking for a backend developer with deep understanding of networks, distributed systems, OS fundamentals and taste for simple and efficient architectural designs. Our backend is mostly implemented in OCaml with some C++.
This role is based out of one of our offices - Palo Alto, Cambridge (MA), Singapore or Tokyo. You can be based in whichever of these you have the legal right to work in, but this is an on-site role: we're looking for someone who'll be in the office with the team.
In this role, be prepared to deal with 25 petabytes of live data, OCaml and Linux on a daily basis.
Ahrefs OCaml
Basic Requirements:
  • Proficiency in OCaml
  • Knowledge of C++ is a plus but not essential
The ideal candidate is expected to:
  • Independently deal with bugs, schedule tasks and investigate code
  • Make well-reasoned technical choices and take responsibility for them
  • Understand the whole technology stack at all levels: from network and user-space code to OS internals and hardware
  • Handle full development cycle of a single component i.e. formalize task, write code and tests, setup and support production, resolve user requests
  • Approach problems with a practical mindset and suppress perfectionism when time is a priority
  • Write flexible, maintainable code and adapt to post-launch requirements/tweaks

These requirements stem naturally from our approach to development with fast feedback cycle, highly-focused personal areas of responsibility and strong tendency to vertical component splitting.
If your preference is leaning towards making the web functional and working on user-facing stuff, you may want to consider our ReasonML position instead.
What You Get
We offer:
  • Competitive compensation package
  • Informal and thriving work atmosphere
  • Above-average perks and fringe benefits
  • First-class workplace (hardware, software, etc) in the modern office

Location: Palo Alto, Cambridge (MA), Singapore or Tokyo - on-site
Ahrefs does not engage with agencies or third party recruitment solutions for the roles we hire for. If at any point we need help, we'll let you know!

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