Ruby on Rails Engineer (contractor)

Remote

WHO WE ARE LOOKING FOR

An experienced Ruby on Rails engineer who will collaborate with our highly skilled team in developing various solutions for a world-renowned client.

Infinum’s Rails team is composed of around 13 engineers. Our primary technology is Ruby on Rails, and our database of choice is PostgreSQL. We write our projects using the DDD methodology, and are proud of our excellent test coverage across projects.

We mostly build APIs, admin dashboards, and integrations with third-party services – without us, clients aren’t served, and emails aren’t sent. Since we are big believers in keeping API documentation up-to-date with the actual implementation, we generate ours from tests.

Position specifics

This is a project-based position for an international insurance company.

You’ll be collaborating with an established engineering department that supports a mature Rails monolith with tens of supporting auxiliary services. Your day-to-day duties will revolve around supporting insurance pricing changes in various global markets. The work is very impactful but requires a safe and steady engineering approach.

You’ll encounter complex issues spanning multiple services as part of your weekly bug duty, so some experience with debugging complex systems is required.

The codebase has evolved and grown over time, so there are plenty of opportunities to showcase your talent and incrementally improve it.

This is a full-time position (40 hours per week), and we expect you to be based within the EU and available for meetings or calls between 9:00-17:00 in the CET timezone (upon prior confirmation).

Qualifications & Experience

at least 4 years of experience with Ruby on Rails
background in software development and/or computer science
experience working with large applications in production
comfortable taking ownership of various aspects of a project and being in charge of ensuring everything is delivered on time
affinity for keeping up with general software development news
deep understanding of object-oriented programming and design patterns
experience with writing tests
experience working with both local and international clients
excellent knowledge of written and spoken English
experience with JavaScript frontend frameworks is a nice-to-have
a drive to make your code better every day

Your responsibilities

planning, developing, deploying, maintaining, and documenting various software solutions
regular dependency upgrades and security patches for CVEs
defining tasks and providing time estimates
writing clean, maintainable code and tests (unit/integration/end-to-end)
rolling out new features, and analyzing (and reacting to) the results you learn about from our QA Engineers and user feedback
collaborating with clients, project teams, and technical teams
presenting your solutions to clients and/or a group of colleagues
proactively communicating with other team members and project stakeholders
using agile methodologies in development

The selection process

01 Screening interview

You talk to an Infinum Alliance person leading you through the selection process. You get to know more about Infinum, your potential future project, and your position while we also get to know you. We’ll also take a closer look at your general engineering skills.

02 Technical interview

You talk to Team Lead and Infinum Alliance about your technical expertise. It can also include a live coding assignment to better asses your technical knowledge.

03 Client interviews

You meet the Client discussing your past experience and complex technical topics to assess the fit between your expertise and project requirements.

04 Offer

All going well, in this stage we send you the offer, which includes all the information like salary details and all relevant terms for working as a project-specific contractor at Infinum.

03 Next thing you know

Before you know it, you’ll be collaborating with our Rails teams on a real-world project.

Tools
we use

GitHub

All of our work is on GitHub. Everything goes through pull requests and code reviews.

GitHub Actions

We use GitHub Actions to automate our CI/CD pipeline, ensuring that our code gets from development to production with minimal fuss.

New Relic

New Relic is our go-to solution for monitoring the performance of our apps so we can make sure there are no bottlenecks that stop everything from running smoothly.

Docker

On some projects we add Docker to our toolkit to bundle up our apps and dependencies, making deployment a breeze.

AWS

Our go to cloud-computing platform which we use for hosting our apps, working with databases, storing files and other features.

Sidekiq

Sidekiq is our behind-the-scenes hero, handling all those background tasks and making sure our apps stay lightning-fast.

JSON:API

The https://jsonapi.org/ standard is our preferred solution for server-client data exchange. We’ve built multiple gems that simplify data extraction, serialization, etc.

Bugsnag

We rely on bugsnag for capturing errors on our applications. When a problem occurs in our code, Bugsnag automatically creates an event and notifies the whole development team.

Rubocop

A Ruby static code analyzer and formatter, created by the community to make clean code, by following the best practices used by Ruby developers.

RSpec

Tests are an important part of our projects, and we use the RSpec testing framework for Ruby and as well for Rails. It is the most frequently used testing library for Ruby in production applications.

Dox

Our in-house developed Rails gem for automatically generating API documentation from Rspec tests.

Revisor

We’ve built an application that observes the health of every active project and notifies us about new CVEs. We frequently update our dependencies and like to keep our apps and infrastructure up-to-date.

Productive

Most of our projects are managed using Productive, in-house software which substitutes Jira, Asana, Trello and other issue tracking products.

Slack

Whether remote or in the office, Slack enables us to exchange information, discuss code, make decisions quickly and stay on top of things.

Handbook

Through the years we’ve built a vast repository of knowledge related to ruby, rails and backend in general. It also serves as our guide and shows how we make our applications.