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Functional Programming Jobs (NOW HIRING)

iOS Mobile Developer

Durham, NC

$47 - $64.50/hr

Fluency in Swift object-oriented and/or functional programming from industry working experience * Experience working in a team of iOS developers participating in code reviews, pull requests, and pair ...

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 ...

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 ...

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 ...

Data Engineer

Newark, NJ · On-site

$119.60K - $143.60K/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+ ...

No previous experience with OCaml or functional programming languages is required. If you're a recruiting agency and want to partner with us, please reach out to agency-partnerships@janestreet.com

No previous experience with OCaml or functional programming languages is required. If you're a recruiting agency and want to partner with us, please reach out to agency-partnerships@janestreet.com.

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 ...

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How much do functional programming jobs pay per hour?

As of May 31, 2026, the average hourly pay for functional programming in the United States is $51.49, according to ZipRecruiter salary data. Most workers in this role earn between $37.74 and $63.46 per hour, depending on experience, location, and employer.

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 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 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 cities are hiring for Functional Programming jobs? Cities with the most Functional Programming job openings:
What are the most commonly searched types of Functional Programming jobs? The most popular types of Functional Programming jobs are:
What states have the most Functional Programming jobs? States with the most job openings for Functional Programming jobs include:
What job categories do people searching Functional Programming jobs look for? The top searched job categories for Functional Programming jobs are:
Senior Software Engineer (Haskell/Functional Programming)

Senior Software Engineer (Haskell/Functional Programming)

Well

Chapel Hill, NC • On-site, Remote

$160K - $180K/yr

Full-time

Posted 3 days ago


Job description

Description
Company:The mission of Well (https://www.well.co/) is to transform healthcare through our unique impact on our members' health and wellbeing. We do this through our differentiated consumer experience and world-class data and analytics engine that drive engagement and health-related behavior change. Our product - a consumer health engagement platform - integrates concierge services, behavioral health, care management and wellness services to drive sustained engagement that leads to lower costs and improved health in our members. In addition to our product, we know our team makes us unique. We're a highly diverse and engaged organization whose employees are passionate about the mission of the company and whose management is passionate about the employees.
Position Title:Senior Software Engineer (Haskell/Functional Programming)
Reporting to: Engineering Manager
Location: Chapel Hill, NC; Newton, MA; New York, NY. Remote candidates considered.
Compensation: Senior Software Engineer ($160,000-$180,000) depending upon qualifications, plus bonus and benefits
Summary:
Upon joining our team, you'll help lead the development of a world-class technology platform at the heart of our engagement and behavior change platform. You'll get to work with a diverse group of fellow Haskellers, backend and mobile developers, data scientists and product managers to design, implement and govern product features that reach the hands of hundreds of thousands of users. We expect you will deliver solutions that are holistically correct, flexible for future changes, efficient, secure and all-around maintainable. Haskell usually makes this a little easier and we're big fans. Ownership, self-motivation, teamwork, and experience working in a fast-paced agile environment are highly desired.
Key Responsibilities:
  • Own substantial workstreams, including both new user-facing features and improvements on our existing services ecosystem.
  • Break down problems into a cogent execution plan and then deliver on that plan with high quality maintainable code
  • Collaborate with a team of fellow Haskellers, mobile, backend and data science practitioners to create and deliver a seamless, tailored experience for our users
  • Contribute substantially to platform architectural decisions and enhance our team's ability to make correct decisions that stand the test of time
  • Help build and maintain internal administrative applications that support core functioning of our technology platform
  • Help us achieve operational excellence in software development by participating in and leading code reviews, quality assurance, and production monitoring
  • Take personal responsibility for achieving and maintaining Engineering momentum in a Healthcare environment that prioritizes security, privacy and compliance with HIPAA guidelines as well as a variety of best practices

Requirements
  • Expertise in the principled delivery of production software using functional programming concepts (such as immutability and advanced type systems)
  • Proven knowledge of Haskell in particular (though not necessarily in production)
  • Broad understanding of multiple programming languages and paradigms to ensure effective collaboration across our diverse mobile, backend, and data science teams
  • Enthusiastic about leveraging LLMs to accelerate development, while maintaining uncompromising standards for delivering succinct, maintainable, slop-free code
  • Driven to explore and adopt new patterns, languages, and methodologies, actively contributing to our evolving engineering culture rather than relying on the status quo
  • Experience in building systems that are data-driven and interact with a variety of external sources, including databases and their tradeoffs, streaming solutions and APIs
  • Good understanding of both microservices and monolith patterns with insight into the choices and tradeoffs involved
  • Experience with modern cloud platforms; AWS, GCP, Azure
  • Experience in Healthcare contexts
  • Good understanding of security principles in software development broadly and as specifically applied to consumer-facing applications
  • Degree and background in a related field such as Computer Science, Engineering or a quantitative discipline with strong demonstrated practical experience