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Functional Programming Jobs in New York (NOW HIRING)

Jane Street

Software Engineer

New York, NY · On-site

We are big believers in functional programming and use 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 use 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

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 ...

Avani Technology Solutions, Inc.

Data Engineer

Newark, NJ · On-site

$119K - $143K/yr

Master's degree preferred • Knowledge of data structures, algorithms and functional programming • Passion to learn new things, experiment with new ideas and build world class data platform • 5+ ...

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 ...

Nastech Global

ProC Developer

Jersey City, NJ · On-site

Experience with functional programming and functional programming design patterns * Knowledge and working experience with Agile methodologies. Roles & Responsibilities * Will be responsible for ...

Jane Street

Front End Software Engineer

New York, NY · On-site

... functional programming. You would take part in the design and implementation of our next-generation of browser-based tools for operating our trading infrastructure. We're building for expert users ...

Jane Street

Front End Software Engineer

New York, NY

... functional programming. You would take part in the design and implementation of our next-generation of browser-based tools for operating our trading infrastructure. We're building for expert users ...

PROLIM Global Corporation

Sr. Quality Engineer

Manhattan, NY · On-site

$97K - $132K/yr

... functional programming language. • Strong programming abilities and debugging skills. • Excellent API testing experience using Postman, IntelliJ Http Client, or similar tools. • Strong ...

Posted today

Jane Street

Production Engineer

New York, NY · On-site

As a firm we are big believers in functional programming, and use OCaml as our primary development language. Production Engineers play an essential role interacting with a wide variety of departments ...

Jane Street

Production Engineer

New York, NY · On-site

As a firm we are big believers in functional programming, and use OCaml as our primary development language. Production Engineers play an essential role interacting with a wide variety of departments ...

1 point system

Data Engineer (Azure / Spark)

New York, NY · Remote

$56.25 - $69.75/hr

Strong coding background for Spark job development and functional programming. * Apache Spark: Advanced experience in distributed data processing, batch and streaming pipelines. * Azure Managed ...

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Functional Programming information

What are some common challenges faced by professionals in Functional Programming roles?

Professionals working in Functional Programming often encounter challenges such as adapting to a different programming paradigm than object-oriented or procedural styles, which can require a significant mindset shift. Debugging and optimizing code can sometimes be more complex due to concepts like immutability and higher-order functions. Additionally, collaborating with teammates who may be less familiar with functional approaches or working within codebases that are a mix of paradigms can require clear communication and frequent knowledge sharing. However, overcoming these challenges can greatly enhance your problem-solving abilities and make you a valuable asset on modern software development teams.

What are the key skills and qualifications needed to thrive in the Functional Programming position, and why are they important?

To excel in a Functional Programming role, you need strong expertise in functional programming languages (such as Haskell, Scala, F#, or Clojure), a solid grasp of software engineering principles, and experience with distributed systems. Familiarity with popular development tools, version control systems like Git, and relevant certifications (such as Scala or Haskell certifications) can be advantageous. Analytical thinking, collaborative problem-solving, and effective communication are key soft skills in this position. These competencies ensure high-quality, maintainable code and successful collaboration within diverse software development teams.

What is a Functional Programming job?

A Functional Programming job involves designing, developing, and maintaining software using functional programming paradigms. This typically includes working with languages like Haskell, Scala, Elixir, or functional aspects of Python and JavaScript. Responsibilities often focus on writing pure functions, avoiding shared state, and utilizing higher-order functions to create robust, maintainable code. These roles are common in industries like finance, data science, and distributed systems where reliability and concurrency are critical.

What are the most commonly searched types of Functional Programming jobs in New York? The most popular types of Functional Programming jobs in New York are:
What are popular job titles related to Functional Programming jobs in New York? For Functional Programming jobs in New York, the most frequently searched job titles are:
What job categories do people searching Functional Programming jobs in New York look for? The top searched job categories for Functional Programming jobs in New York are:
Functional Programming jobs near you
Infographic showing various Functional Programming job openings in New York as of July 2026, with employment types broken down into 1% As Needed, 87% Full Time, 9% Part Time, and 3% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution.
Software Engineer

Software Engineer

Jane Street

New York, NY • On-site

Other

Re-posted 19 days ago

Job description

About the Position

We're always hiring software engineers for all of our offices. Technology is at the core of how we approach our work, and engineers are intimately involved in every area of the business. 

We are big believers in functional programming and use OCaml, a statically typed functional programming language, as our primary tool. More recently, Python has become a vital part of Jane Street's research and trading work, acting as the go-to language for data analysis, visualization, and machine learning.

We also believe in the value of open source software, using it in our daily work and releasing over a million lines of our own code as open source.

About You
  • Top-notch programming skills
  • Deep experience with-and love for-technology. There's no specific checklist; we use software to approach a variety of problems, so we're interested in everything from machine learning to systems administration to programming language design
  • Strong interpersonal skills. Software engineering at Jane Street is highly collaborative, and we are looking for people who can work effectively in small, close-knit teams
  • We don't expect you to have experience with functional programming, OCaml, Python, or finance; we're happy to hire talented engineers and teach them what they need to know.

If you'd like to get an idea of what we cover in our software engineering interview process, you can visit our interview prep page.

If you're a recruiting agency and want to partner with us, please reach out to agency-partnerships@janestreet.com.

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