Senior Ruby Engineer

  • Harnham - Data & Analytics Recruitment
  • Sep 15, 2025
Full time Telecommunications

Job Description

Senior Ruby Engineer

Scale-Up Tech Company - Remote (Anywhere in the world)

Up to £80,000

Are you ready to take your career to the next level? We're working with one of the fastest-growing tech companies in the world, and they're on the lookout for an experienced Senior Ruby Engineer to join their expanding team. This is a chance to build and scale products used by millions globally, in an environment that thrives on innovation, ownership, and speed.

Why this role?

  • Join a high-growth scale-up with 30M+ users and bold ambitions for the future.

  • Be part of a tight-knit engineering team, working directly alongside the CTO and product leads.

  • Contribute to building large-scale, user-facing products at the cutting edge of AI and digital experiences.

  • Play a pivotal role in shaping the technical roadmap and experimenting with new ideas.

What you'll be doing:

  • Leading back-end development with a strong focus on Ruby on Rails.

  • Collaborating with product managers to refine specs and shape solutions.

  • Preparing integration plans, estimations, and delivering high-quality, production-ready code.

  • Reviewing PRs, ensuring best practices, and mentoring mid-level engineers.

  • Driving innovation while maintaining a strong user-first mindset.

? What we're looking for:

  • 5+ years' experience as a back-end or full-stack engineer, with recent, hands-on Ruby on Rails expertise.

  • Proven experience scaling products used by thousands (or millions!) of users.

  • Strong background in agile, fast-paced environments (start-ups, scale-ups, or similar).

  • Excellent communication skills and fluency in English.

  • Ownership mentality - someone who takes pride in building and delivering great products.

  • Comfortable working on products that may involve uncensored or NSFW content.

? Nice-to-haves:

  • Knowledge or interest in generative AI, NLP, ML, or MLOps.

  • Experience working with globally distributed teams.

Salary & Perks:

  • Up to £80,000 base salary.

  • Fast-paced, innovative culture with a global reach.

  • Work alongside founders with proven track records of building and scaling successful businesses.