Senior Back-End Developer - OPS00030 at DevPro
Buenos Aires, , Argentina -
Full Time


Start Date

Immediate

Expiry Date

26 Feb, 26

Salary

0.0

Posted On

28 Nov, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Yes

Skills

Ruby On Rails, PostgreSQL, MySQL, Sidekiq, Redis, Scalable Systems, Asynchronous Processing, SOA, Event Sourcing, Docker, Kubernetes, AWS, GCP, JavaScript, Performance Optimization, Code Reviews

Industry

IT System Custom Software Development

Description
We are a US-based outsource software development company that has been delivering exceptional software experience to our clients since 2011, helping technology companies to become industry leaders. Over the past few years, we’ve been hiring specialists all over the world while our main development centers were in Ukraine. Now, we keep expanding and start growing our centers in different parts of the world. Dev.Pro is open to hire specialists from other countries as well as Ukrainians who live outside of Ukraine now. We stand with Ukraine and keep supporting our people by offering a friendly remote environment while adhering to the values of democracy, human rights, and state sovereignty. About this opportunity We invite a Senior Software Engineer with strong expertise in backend development using Ruby on Rails to join our global team. In this role, you’ll architect, scale, and optimize systems for a high-performance SaaS platform used by thousands of organizations to manage their workforce, projects, and payroll efficiently. You’ll collaborate with cross-functional teams to tackle performance and scalability challenges while continuously improving the platform. What's in it for you: • Contribute to scalable backend systems for a SaaS platform used by 95,000+ businesses • Tackle challenging problems using Ruby on Rails, PostgreSQL, Sidekiq, and Redis • Excel in a remote-first, autonomous environment built on trust and async collaboration Is that you? • 7+ years of commercial development experience, including 5+ years with production Ruby on Rails applications • Strong PostgreSQL or MySQL expertise, including schema design and query optimization • Experience with background jobs and asynchronous processing (Sidekiq, Redis) • Proven ability to design high-performance, scalable systems • Solid understanding of modern architectural patterns (SOA, event sourcing) • Experience collaborating asynchronously in fully remote teams • Track record of multi-year tenure in recent roles Desirable: • Experience with message queues (Kafka, RabbitMQ) or search engines (Elasticsearch, Solr) • Familiarity with Docker, Kubernetes, and AWS/GCP • Experience optimizing performance in high-traffic applications • Working knowledge of JavaScript Key responsibilities and your contribution In this role, you’ll design and maintain robust backend systems that power our SaaS platform, ensuring scalability, reliability, and performance. • Design, build, and maintain backend services and features using Ruby on Rails • Design scalable systems capable of handling millions of records and high concurrency • Identify and fix performance bottlenecks in the database, application, and infrastructure • Implement background job processing with Sidekiq and Redis • Write automated tests using RSpec • Collaborate with the Engineering Manager and cross-functional teams to guide technical direction • Participate in code reviews, documentation, and planning sessions • Ensure high reliability and scalability of core services
Responsibilities
In this role, you’ll design and maintain robust backend systems that power our SaaS platform, ensuring scalability, reliability, and performance. You will collaborate with cross-functional teams to tackle performance and scalability challenges while continuously improving the platform.
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