Senior Haskell/PureScript Engineer - Large-Scale Backend (Dublin)

Methodius Ltd; Dublin; Hybrid; EUR 90,000 - 140,000; Full time

Benefits offered by this job

Annual bonus scheme

Contributory Pension Scheme

Private Medical Scheme

Life Assurance

Long Term Disability

Employee Assistance Scheme

Annual Leave – 22 days + 10 public hol

Continuous Learning & Development

Lunch & Learns

Company discounts

On-site parking

Bike-to-work scheme

Training and certification resources

Job summary

Methodius Ltd in Dublin is recruiting a Senior Software Engineer with strong Haskell or PureScript experience to join a high-calibre technology team. The role focuses on high-performance backend services, distributed systems and streaming platforms supporting millions of users.

You will design and implement scalable systems, apply functional programming principles, and evolve technology stacks into Scala when appropriate, while keeping your FP background intact.

Qualifications

• 5+ years of professional software engineering experience.
• Strong commercial experience with Haskell or PureScript.
• Strong knowledge of functional programming principles.
• Experience developing backend applications or distributed systems.
• Experience with strongly typed programming languages.
• Experience with concurrency, asynchronous programming or functional effect systems.

Responsibilities

• Design and build scalable, performant and resilient backend systems.
• Develop applications using Haskell or PureScript as the primary language.
• Work on distributed systems operating at significant scale.
• Apply functional programming principles including strong typing, referential transparency and composable design.
• Work with concurrency, asynchronous processing and functional effect systems.
• Participate in system design and architecture discussions.
• Influence technical direction and engineering standards.
• Build and maintain high-quality APIs and backend services.
• Contribute to automated testing, continuous integration and software quality.
• Investigate and resolve complex production issues.
• Author and review technical design documents, RFCs and root cause analyses.
• Work closely with other engineers and technical stakeholders.
• Mentor engineers and contribute to knowledge sharing.
• Take ownership of projects from design through to production.

Skills

Haskell

PureScript

Distributed systems

Back-end development

Concurrency

Job description

Methodius Ltd in Dublin is recruiting a Senior Software Engineer with strong Haskell or PureScript experience to join a high-calibre technology team. The role focuses on high-performance backend services, distributed systems and streaming platforms supporting millions of users.

You will design and implement scalable systems, apply functional programming principles, and evolve technology stacks into Scala when appropriate, while keeping your FP background intact.