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Full-Stack (Haskell Backend + PureScript Frontend) at DaCodes. Work at DaCodes!. We are a software and digital transformation firm delivering high-impact solutions.. For 10 years, we have created technology-driven innovations with a team of +220 talented #DaCoders, including developers, architects, UX/UI designers, PMs, QA testers and more. Our teams collaborate with clients across LATAM and the US, consistently achieving outstanding results.. At DaCodes, you will have the opportunity to boost your professional growth, work on diverse projects across multiple industries, and contribute to the design, implementation, and optimization of cloud-based infrastructures.. Our DaCoders have a huge impact on the success of our business and our clients. You will be the expert driving our projects forward, while gaining exposure to disruptive startups and global brands.. Are you in?. REQUIREMENTS. Role:. Fullstack Software Engineer (Haskell Backend + PureScript Frontend). Core stack:. Haskell, PureScript, PostgreSQL, and custom database technology. . Key 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. , ensuring 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. (Hspec, Hedgehog, QuickCheck, 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. . . . Desired Profile. . . 5 years of experience. in backend development with . Haskell. (GHC, Servant, Warp, Aeson, Polysemy, etc.). . . 5. years of experience. in 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 English (professional working proficiency). . Company Location: Mexico.