Hire Haskell Developer

How and where is Haskell used?

• Blockchain Development: Secure decentralized apps
• Financial Modeling: Accurate risk assessment
• Artificial Intelligence: Efficient algorithm implementation
• Data Analysis: Complex data processing
• Web Development: Scalable backend systems
• Compiler Development: Advanced language design
• Scientific Computing: High-performance computations
• Game Development: Functional game logic
• Networking: Reliable network protocols
• Cloud Computing: Distributed system management

How to Hire Haskell Developers with Upstaff

How to Hire Haskell Developers with Upstaff

1. Schedule a Free Discovery Call
   Start with a quick 30-minute call with our talent expert. Discuss your project requirements, tech stack needs (e.g., GHC, Servant, Lens), team fit, timeline, and budget. This helps us understand your challenges and goals for precise matching. No commitment required—book instantly via the site.
2. Receive Carefully Matched Profiles
   Within 1-3 days (often faster), get handpicked profiles of vetted Haskell developers from our 2K+ talent pool. Each includes experience details, skills (e.g., monads, type systems, concurrency), English proficiency, and past projects. Average start time: 48 hours—10x faster than traditional recruiting.
3. Interview and Validate Candidates
   Review profiles, schedule interviews directly, and assess fit. Ask about real-world Haskell use cases like property-based testing (QuickCheck), web APIs (Servant/Warp), or advanced patterns (Lens, MTL). We provide full transparency with KYD (Know Your Developer) verification.
4. Onboard with a Risk-Free Trial
   Start collaboration with a no-risk trial period. Test the developer’s integration into your team—no termination fees or hidden costs if it’s not a perfect match. Flexible models: full-time, part-time, or project-based.
5. Scale Securely and Transparently
   Enjoy consolidated invoicing, no hidden fees, and ongoing support. If needed, we replace talent quickly. Benefit from our AI + human vetting (saving ~50 hours per hire) for reliable, high-performance Haskell experts.

Haskell is a purely functional programming language known for its strong static typing, lazy evaluation, and advanced features like monads and type classes. Its ecosystem includes core compilers, build tools, package managers, web frameworks, libraries for concurrency and effects, testing tools, and integrations with databases and IDEs. Expert Haskell developers master these to build reliable, high-performance applications in domains like finance, blockchain, web services, and data processing.

Comprehensive Tools, Technologies, and Ecosystems for Haskell Developers

Core Compilers and Toolchain

Essential foundation for compiling, interpreting, and managing Haskell code.

GHC (Glasgow Haskell Compiler)
The primary optimizing compiler for Haskell, supporting advanced extensions like GADTs, type families, and linear types. Essential for production code with high performance and strict type checking.

GHCi
Interactive REPL and bytecode interpreter included with GHC. Allows rapid prototyping, debugging, and experimentation with Haskell expressions.

GHCup
Installer and manager for GHC, Cabal, Stack, and HLS. Simplifies setting up and switching between different toolchain versions.

Build Tools and Package Management

Tools for project setup, dependency management, and reproducible builds.

Cabal
Package manager and build system maintained by Haskell.org. Handles dependencies, building, and installation from Hackage repository.

Stack
Cross-platform tool for project management and reproducible builds. Manages GHC versions automatically and ensures consistent environments.

Hackage
Central package archive for Haskell libraries and tools. Hosts thousands of open-source packages for easy discovery and installation.

Documentation and Search Tools

Utilities for generating documentation and discovering APIs.

Haddock
Tool for generating hyperlinked documentation from Haskell source code. Produces API docs with annotations and cross-references.

Hoogle
Haskell API search engine by type signature or name. Helps find functions and libraries quickly, including from Stackage/Hackage.

Web Frameworks and Servers

Frameworks for building type-safe web applications and APIs.

Servant
Type-level DSL for describing and implementing web APIs. Generates server/client code automatically with compile-time safety.

Yesod
Full-featured framework with ORM, templating, and routing. Emphasizes performance, security, and compile-time checks.

Scotty
Lightweight Sinatra-inspired microframework. Simple routing and middleware for quick web apps and APIs.

Warp
High-performance HTTP server engine. Powers many Haskell web frameworks with fast, asynchronous I/O.

IHP (Integrated Haskell Platform)
Batteries-included framework with built-in IDE and database tools. Optimized for productivity, including code generation and schema editing.

Libraries for Functional Programming

Core libraries for advanced patterns and effects.

Lens
Composable tools for accessing and modifying data structures. Simplifies working with complex records and nested data.

MTL (Monad Transformer Library)
Standard library for monad transformers and type classes. Enables layered effects like state, reader, and writer monads.

Testing and Property-Based Tools

Frameworks for reliable testing and verification.

QuickCheck
Property-based testing library for automatic test case generation. Tests invariants and edge cases with random data.

Hspec
Behavior-driven development (BDD) testing framework. Readable syntax inspired by RSpec for unit and integration tests.

Database and Persistence

Tools for data storage and querying.

Persistent
Type-safe ORM used in Yesod and other frameworks. Supports multiple backends like PostgreSQL, SQLite, and MongoDB.

Esqueleto
DSL for type-safe SQL queries on top of Persistent. Enables complex joins and queries with compile-time checks.

Development Environments and Editors

IDEs and language servers for productive coding.

Haskell Language Server (HLS)
LSP implementation for editor integration. Provides autocompletion, type info, refactoring, and diagnostics.

Visual Studio Code (with HLS extension)
Popular editor with strong Haskell support via HLS. Features debugging, formatting, and inline errors.

Emacs (with haskell-mode or lsp-mode)
Highly customizable with excellent Haskell integration. Supports interactive development with GHCi.

DevOps and Profiling Tools

Tools for benchmarking, monitoring, and deployment.

Criterion
Robust benchmarking library for performance measurement. Provides statistical analysis and charts for comparisons.

ThreadScope
GUI tool for visualizing parallel execution and profiling. Helps debug concurrency issues in multi-threaded apps.