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Urgent! Full-Stack (Haskell Backend + PureScript Frontend) Career Opportunity with DaCodes. in Mexico

Full Stack (Haskell Backend + PureScript Frontend)



Job description

Overview

DaCodes is a software and digital transformation firm delivering high-impact solutions.

For 10 years, we have created technology-driven innovations with a team of +220 DaCoders across LATAM and the US.

You will contribute to the design, implementation, and optimization of cloud-based infrastructures and work on diverse projects across multiple industries.

Responsibilities
  • Design, implement, and maintain backend services in Haskell, leveraging strong static typing and functional programming best practices.

  • Develop front-end applications in PureScript (e.g., Halogen, React-Basic-Hooks), integrating APIs and handling asynchronous workflows safely.

  • Model, query, and optimize PostgreSQL databases for performance, scalability, and reliability.

  • Build and maintain custom database connectors and data access layers to support proprietary database technology.

  • Write comprehensive unit and integration tests (Haskell: Hspec, Hedgehog, QuickCheck; PureScript: purescript-spec) to ensure high-quality software delivery.

  • Contribute to code reviews, documentation, and technical standards across teams.

  • Ensure security, observability, and resilience in production environments.

Qualifications
  • 5 years of backend development with Haskell (GHC, Servant, Warp, Aeson, Polysemy, etc.).

  • 5 years of frontend functional development with PureScript (or equivalent experience with TypeScript/React + FFI).

  • Solid knowledge of SQL and PostgreSQL, including schema design, complex queries, transactions, and performance tuning.

  • Experience integrating and maintaining custom or proprietary databases.

  • Familiarity with containerization and CI/CD workflows (Docker, GitHub Actions/GitLab CI).

  • Nice to have: experience with Nix for reproducible environments, microservices, and message-driven architectures (Kafka, RabbitMQ).

  • Professional English skills for documentation and collaboration with international teams.

  • Soft skills: strong communication, analytical thinking, ownership, and teamwork.

Tools & Technologies
  • Backend: Haskell (GHC), Servant/Scotty, Polysemy, Aeson, Persistent/Beam/Hasql.

  • Frontend: PureScript, Halogen, React-Basic-Hooks, Aff/Affjax.

  • Databases: PostgreSQL, Sqitch/Flyway migrations, Redis (nice to have), integration with custom databases.

  • Infra & DevEx: Docker, CI/CD pipelines, observability with Prometheus/OpenTelemetry.

Other Requirements
  • Language: Fluent Spanish or English (professional working proficiency).

Benefits
  • Work with global brands and disruptive startups.

  • Remote / home office.

  • Work schedule aligned with assigned project/cell.

    Monday to Friday.

  • Birthday day off.

  • Major medical insurance (applicable in Mexico).

  • Life insurance (applicable in Mexico).

  • Multicultural teams.

  • Access to courses and certifications.

  • Meetups with special IT guests.

  • Virtual integration events and interest groups.

  • English classes.

  • Opportunities across our different business lines.

  • Proudly certified as a Great Place to Work.

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