Functional Back End Engineer Jobs

Modus Create

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Job Description:

Join Our Team as a Functional Back End Engineer at Modus Create! We are looking for a Functional Back End Engineer (Haskell, Nix) to partner with cross-functional teams and provide strategic consulting, full lifecycle product development.

Job Responsibility:

Partner with cross-functional teams and provide strategic consulting, full lifecycle product development
Leading, mentoring, and coaching both clients and Modus teammates
Deep diving into customer needs and translating them into actionable requirements
Exploring new tech and continuously learning
Sharing your knowledge and participating actively in the community
Giving back through opportunities such as blog posts, open source contributions, and event speaking
Work in active teams on internal and external projects, staying up-to-date with the latest technologies
Represent Modus and our values while connecting directly with our clients

Requirements:

Experience with Haskell
Knowledge about advanced features of the language and ability to navigate a large codebase
Comfortable working on the core (consensus, ledger, APIs, testing, etc.) of a blockchain project
Interest in and some experience of open source community contributions
Passionate about Nix (or similar systems such as Guix)
Interest in declarative, reproducible builds, with experience in systems like Bazel, Buck2, or Meson
Fluent with the command line
Skilled in managing development pipelines, test automation, continuous integration, and cloud-based deployments
Knowledgeable in software architecture, design patterns, and development methodologies
Ability to distinguish between accidental and essential complexity
Experience working in teams on large codebases or completing independently-driven projects
Overlap with some EST hours daily is expected
Reliable high-speed internet is a must

Nice to have:

Likely a contributor to nixpkgs, or hosting private flakes or overlays
Participate in public communication via writing blog posts and communicating with colleagues and the Functional programming community
Optionally, you have experience with at least one non-Haskell functional programming language (Scala, OCaml, Erlang, Clojure, etc.)

What we offer:

Remote work with flexible working hours
Modus Global Office Programme: on-demand access to private offices, meeting rooms, coworking spaces and business lounges in locations in over 120 countries
Employee Referral Program
Client Referral Program
Travel according to client or team needs
The chance to work side-by-side with thought leaders in emerging tech
Access to more than 12,000 courses with a licensed Coursera account
Possibility to obtain paid certification/courses if they align with company goals and are relevant to the employee's role

Additional Information:

Job Posted:
December 10, 2025

Work Type:

Remote work

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Functional Back End Engineer