Senior Ruby on Rails with Sinatra developer

Location Karnataka Bangalore

Experience Range Years

Open

SkillsRuby on rails with Sinatra, microservices-based architecture, Kafka with ZooKeeper (5-broker clusters) , SOLR, AWS Amazon SQS, Liquid Gem,

About Us

We are developers of digital futures Tietoevry creates purposeful technology that reinvents the world for good. We are a leading technology company with a strong Nordic heritage and global capabilities. Based on our core values of openness, trust, and diversity, we work with our customers to develop digital futures where businesses, societies, and humanity thrive. Our 24,000 experts globally specialize in cloud, data, and software, serving thousands of enterprise and public-sector customers in approximately 90 countries. Tietoevry's annual turnover is approximately EUR 3 billion, and the company's shares are listed on the NASDAQ exchange in Helsinki and Stockholm, as well as on Oslo Børs ).

About EVRY USA

EVRY USA delivers IT services to a wide range of customers in the USA through its global delivery centers and India offices (EVRY India) in Bangalore & Chandigarh, India. We offer a comprehensive IT services portfolio and drive digital transformation across Banking & Financial Services, Insurance, Healthcare, Retail & Logistics, and Energy, Utilities & Manufacturing sectors. EVRY India's process and project maturity is very high — the two offshore development centers in India are appraised at CMMI DEV Maturity Level 5 & CMMI SVC Maturity Level 5 and certified under ISO 9001:2015 & ISO/IEC 27001:2013

Roles and Responsibility

About the Client:

Symplr TalentSourcing is a comprehensive recruitment marketing platform designed for healthcare organizations. It streamlines hiring by integrating applications for candidate sourcing, job broadcasting, branded career websites, and candidate data management. The platform utilizes advanced technologies including Ruby on Rails, Sinatra, Kafka, SOLR, and AWS to deliver scalable, flexible, and high-performing recruitment solutions.

Role Overview:

We are seeking a high-caliber and experienced Senior Ruby on Rails Developer to join our team. The candidate will focus primarily on identifying and resolving critical application stability and scalability challenges. This role requires deep expertise in Ruby on Rails with a strong understanding of microservices architecture, distributed systems, and cloud infrastructure.

Key Responsibilities:

Analyze and identify bottlenecks related to application instability and scalability issues.

Provide technical solutions and strategies to address bot attacks, application failures, and monitoring gaps.

Collaborate with cross-functional teams to optimize critical workflows impacting system performance.

Lead efforts in improving infrastructure monitoring and alerting — working closely with tools like Datadog.

Develop and maintain robust Ruby on Rails microservices and APIs to enhance platform stability.

Implement fault tolerance mechanisms, including auto-restart scripts and failover processes.

Ensure code quality through code reviews, testing, and best practices.

Mentor junior developers and share knowledge within the team.

Assist in new feature development alongside production issue resolution.

Required Skills and Experience:

9 to 12 years of professional experience in Ruby on Rails development.

Strong knowledge of Ruby on Rails and experience with Sinatra.

Proven experience working with microservices-based architectures.

Familiarity with Kafka, ZooKeeper, and Thrift or similar messaging/streaming platforms.

Hands-on experience with SOLR for search and AWS services (especially AWS SQS, hosting, and cloud infrastructure).

Experience with security practices including bot mitigation (e.g., Cloudflare or similar).

Proficiency in infrastructure monitoring tools, preferably Datadog.

Strong debugging, performance tuning, and troubleshooting skills.

Experience working in agile development environments.

Excellent communication and collaboration skills.

Prior experience in healthcare technology platforms is a plus.