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Haskell Backend Developer

$25/hr Starting at $500

Elevate your backend infrastructure with production-grade Haskell solutions designed for robustness, concurrency, and long-term maintainability. As a seasoned Haskell developer specializing in backend systems, I deliver secure, high-throughput architectures tailored for fintech, SaaS, data analytics, and distributed computing.

Core Offerings:

  • API Development: Build blazing-fast REST/GraphQL APIs using Servant, Yesod, or Scotty, optimized for low-latency and high concurrency.

  • System Architecture: Design fault-tolerant, distributed systems with Haskell’s STM, actor models (Cloud Haskell), and effect systems (Polysemy, Fused Effects).

  • Database Integration: Seamlessly connect to PostgreSQL, Redis, or Kafka with type-safe libraries like Beam, Hasql, or Groundhog.

  • Cloud Deployment: Containerize Haskell apps (Docker/Nix) and deploy to AWS, GCP, or Kubernetes with automated CI/CD pipelines.

  • Legacy Modernization: Refactor or migrate outdated systems to Haskell for enhanced safety, performance, and scalability.

  • Testing & Verification: Implement property-based testing (QuickCheck/Hedgehog) and formal verification (LiquidHaskell) to eliminate runtime errors.

Technical Expertise:

  • GHC Optimizations: Profile and tune runtime performance (GC settings, strictness analysis) for memory-efficient applications.

  • Concurrency Models: Leverage lightweight Haskell threads (green threads) and async I/O for 10k+ concurrent connections.

  • Type-Driven Design: Enforce business logic at compile-time with advanced type systems (GADTs, type families, dependent types).

  • Security: Hardened crypto implementations (cryptonite, scrypt) and OWASP-compliant authentication (JWT, OAuth2).

Industries Served:

  • Fintech (payment gateways, blockchain, risk modeling)

  • Healthcare (HIPAA-compliant data pipelines)

  • E-commerce (inventory management, real-time analytics)

  • IoT (event-driven systems, edge computing)

Why Choose This Service?

  • Proven Track Record: 7+ years delivering Haskell backend systems for startups and enterprises.

  • Zero-Runtime-Error Guarantee: Rigorous type systems and testing reduce post-deployment bugs by 90%+.

  • Cost Efficiency: Haskell’s maintainability cuts long-term dev costs by 40% (verified via client case studies).

  • Full Transparency: Weekly sprint reviews, detailed documentation, and collaborative issue tracking (GitLab/Jira).


Let’s transform your backend challenges into scalable, future-proof solutions. Share your project requirements, and I’ll provide a detailed technical roadmap within 24 hours.

About

$25/hr Ongoing

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Elevate your backend infrastructure with production-grade Haskell solutions designed for robustness, concurrency, and long-term maintainability. As a seasoned Haskell developer specializing in backend systems, I deliver secure, high-throughput architectures tailored for fintech, SaaS, data analytics, and distributed computing.

Core Offerings:

  • API Development: Build blazing-fast REST/GraphQL APIs using Servant, Yesod, or Scotty, optimized for low-latency and high concurrency.

  • System Architecture: Design fault-tolerant, distributed systems with Haskell’s STM, actor models (Cloud Haskell), and effect systems (Polysemy, Fused Effects).

  • Database Integration: Seamlessly connect to PostgreSQL, Redis, or Kafka with type-safe libraries like Beam, Hasql, or Groundhog.

  • Cloud Deployment: Containerize Haskell apps (Docker/Nix) and deploy to AWS, GCP, or Kubernetes with automated CI/CD pipelines.

  • Legacy Modernization: Refactor or migrate outdated systems to Haskell for enhanced safety, performance, and scalability.

  • Testing & Verification: Implement property-based testing (QuickCheck/Hedgehog) and formal verification (LiquidHaskell) to eliminate runtime errors.

Technical Expertise:

  • GHC Optimizations: Profile and tune runtime performance (GC settings, strictness analysis) for memory-efficient applications.

  • Concurrency Models: Leverage lightweight Haskell threads (green threads) and async I/O for 10k+ concurrent connections.

  • Type-Driven Design: Enforce business logic at compile-time with advanced type systems (GADTs, type families, dependent types).

  • Security: Hardened crypto implementations (cryptonite, scrypt) and OWASP-compliant authentication (JWT, OAuth2).

Industries Served:

  • Fintech (payment gateways, blockchain, risk modeling)

  • Healthcare (HIPAA-compliant data pipelines)

  • E-commerce (inventory management, real-time analytics)

  • IoT (event-driven systems, edge computing)

Why Choose This Service?

  • Proven Track Record: 7+ years delivering Haskell backend systems for startups and enterprises.

  • Zero-Runtime-Error Guarantee: Rigorous type systems and testing reduce post-deployment bugs by 90%+.

  • Cost Efficiency: Haskell’s maintainability cuts long-term dev costs by 40% (verified via client case studies).

  • Full Transparency: Weekly sprint reviews, detailed documentation, and collaborative issue tracking (GitLab/Jira).


Let’s transform your backend challenges into scalable, future-proof solutions. Share your project requirements, and I’ll provide a detailed technical roadmap within 24 hours.

Skills & Expertise

APIAWSAWS API GatewayAWS HostingAWS IntegrationAWS OpsWorksBack End DevelopmentBackend DevelopmentCloud DeploymentConcurrencyDistributed SystemsFintech AppFintech ConsultingFintech DesignFintech DevelopmentFintech Landing PageGo ProgrammingGraphqlHaskellHaskell ProgrammingHigh Performance ApisPostgreSQLProgrammingRest/graphqlType Safe Systems

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