Senior Software Engineer, Ruby / RoR (APIM)

Workato; Madrid; Presencial; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

A technology company in Madrid is seeking a Senior Ruby / Rails Developer to enhance their Data Integration team. The ideal candidate will have over 5 years of experience in Ruby on Rails, experience with PostgreSQL, and advanced debugging skills. Responsibilities include leading design discussions, mentoring junior developers, and resolving production issues. A vibrant work environment and numerous benefits await the successful candidate.

Servicios

Flexible work environment

Health and wellness benefits

Professional development opportunities

Formación

• 5+ years of experience in Ruby on Rails applications.
• Advanced PostgreSQL skills required for database performance tuning.
• Deep understanding of distributed systems and caching strategies.

Responsabilidades

• Lead technical design discussions and architectural decisions.
• Mentor junior developers on best practices.
• Investigate and resolve complex production issues.

Conocimientos

Ruby & Ecosystem expertise

PostgreSQL optimization

Distributed systems knowledge

API management

Expert testing skills

Herramientas

Docker

Kubernetes

Redis

Descripción del empleo

Overview

About Workato

Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline operations by connecting data, processes, applications, and experiences. Its AI-powered platform enables teams to navigate complex workflows in real time, driving efficiency and agility.

Trusted by a community of 400,000 global customers, Workato empowers organizations of every size to unlock new value and lead in today’s fast-changing world.

Learn how Workato helps businesses of all sizes achieve more.

Why join us

Ultimately, Workato believes in fostering a flexible, trust-oriented culture that empowers everyone to take full ownership of their roles. We are driven by innovation and looking for team players who want to actively build our company.

We balance productivity with self-care, offering a vibrant and dynamic work environment along with a multitude of benefits.

If this sounds right up your alley, please submit an application. We look forward to getting to know you!

Why Workato is recognized by industry leaders: Business Insider, Forbes Cloud 100, Deloitte Tech Fast 500, Quartz.

Responsibilities

We are looking for an exceptional Senior Ruby / Rails Developer to join our growing Data Integration team.

You will be responsible to:

• Lead technical design discussions and architectural decisions for system improvements
• Mentor junior and mid-level developers on best practices and system internals
• Investigate and resolve complex production issues, especially those involving external dependencies
• Architect solutions for API reliability, monitoring, and performance
• Collaborate with DevOps and Infrastructure teams on system reliability and performance
• Document critical system behaviors and integration patterns

Expectations:

• Self-directed problem solver who can navigate ambiguous requirements
• Excellent debugging skills with ability to trace issues across multiple system layers and external services
• Strong written and verbal communication skills for technical documentation and cross-team collaboration
• Experience with large-scale refactoring projects and technical debt reduction
• Ability to balance technical excellence with pragmatic business needs
• Experience with CI / CD pipelines, monitoring, and production incident response

Nice to Have:

• Contributions to open-source Ruby projects
• Experience with Workato or similar iPaaS platforms
• Knowledge of enterprise integration patterns
• Understanding of compliance and security requirements in production systems
• Experience with webhook systems and event-driven architectures

Requirements

Mandatory technical expertise

Ruby & Ecosystem: Expert-level proficiency in Ruby with 5 years of experience building and maintaining large-scale production Ruby on Rails applications. Deep understanding of Ruby internals, metaprogramming, and performance optimization techniques.

Database:

• Advanced PostgreSQL expertise including complex query optimization, execution plan analysis, indexing strategies, and database performance tuning
• Proficiency in database internals: MVCC, transaction isolation levels, locking mechanisms, and replication strategies
• Experience with database scaling patterns: sharding, partitioning, read replicas, and connection pooling
• Ability to diagnose and resolve complex database performance issues in production environments

Systems:

• Deep understanding of distributed systems concepts and their practical implications
• Expertise in caching strategies at multiple layers (application, database, CDN)
• Experience with message queuing systems and understanding of distributed queue patterns (at-least-once, exactly-once delivery, dead-letter queues)
• Proficiency in performance profiling, memory leak detection, and optimization of Ruby applications
• Understanding of concurrency models in Ruby and their appropriate use cases

Integrations:

• Deep understanding of HTTP client libraries, connection pooling, and timeout strategies
• Expertise in authentication and authorization patterns: OAuth 2.0 flows, JWT, API keys, SAML, webhook signatures
• Experience with retry mechanisms, circuit breakers, and graceful degradation for third-party dependencies
• Proficiency in handling rate limiting, backpressure, and API quota management
• Understanding of common integration challenges: data synchronization, eventual consistency, idempotency

API Management:

• Understanding of API gateway patterns and routing strategies
• Familiarity with OpenAPI / Swagger specifications for API documentation
• Knowledge of API versioning strategies and backward compatibility
• Basic understanding of API monitoring and analytics

Codebase:

• Proven track record of working with and enhancing mature, established codebases
• Ability to understand and refactor complex systems while maintaining stability
• Experience in incremental improvement strategies and maintaining backward compatibility
• Skills in navigating through layers of abstraction to understand system behavior

Testing:

Expert-level testing skills including RSpec with emphasis on testing complex integrations, creating test harnesses for external dependencies, and maintaining high test coverage in established systems.

Preferred Skills

Infrastructure:

• Understanding of Docker and Kubernetes for containerized deployments
• Understanding of infrastructure as code (Terraform, Ansible)
• Understanding of observability tools (Prometheus, Grafana, ELK stack)

Data:

• Redis expertise
• ClickHouse or similar columnar databases for analytics workloads
• Experience with event streaming platforms (Kafka)
• Background processing: Advanced experience with Sidekiq internals, custom middleware, performance tuning, and high-throughput job processing

Frontend:

• Basic understanding of JavaScript and modern UI frameworks (Angular, React) sufficient for debugging full-stack issues and API integration points

Req ID : 2239

Required Experience : Senior IC

Vacancy : 1