Svitla Systems Inc. is looking for a Senior Ruby Engineer for a full-time position (40 hours per week) in Europe. Our client prioritizes people in the digital employee experience to help companies grow. They create solutions that foster real engagement and enable two-way conversations between employees and organizations. Their orchestration engine connects all workers on any device with personalized information to help them perform well. That’s why 40% of Fortune 100 companies, including Amazon, ABInBev, Ford, and Pfizer, choose our client to enhance their frontline and simplify their digital workplace. Requirements:6+ years of hands-on experience in API integration and maintenance.6+ years of experience with Ruby and Postgres.5+ years of experience building reliable and performant microservices.Knowledge of JavaScript, React, and TypeScript.Knowledge of AWS.Experience with Redis.Knowledge of the IaC concept and basic experience with TerraformFamiliarity with API protocols and standards, including REST, SOAP, GraphQL, and JSON.Experience working with the enterprise project with multiple APIs.Understanding of API testing tools and methodologies.Understanding of authentication methods like OAuth, API keys, and JWT.Problem-solving skills and the ability to troubleshoot API and integration issues.Strong communication skills, both written and verbal, and the ability to work with the stakeholders in and outside of the organization.Eagerness to learn lots of new technologies.Bachelor’s degree in computer science or related field of study, or commensurate experience required.Upper-intermediate level of English.Nice to have:Experience in front-end development.Familiarity with Kubernetes, Docker, Helm.Familiarity with ML and AI.Experience working for an enterprise SaaS organization.Open-source contributions and a history of side projects.Responsibilities:Collaborate with stakeholders to comprehend API integration requirements, data formats, and workflow processes.Architect integrations between various software systems, including third-party and internal APIs.Provide database improvements.Develop reliable, readable, efficient, testable, scalable, and maintainable code. Provide thorough code reviews, create comprehensive tests, and produce quality documentation.Perform extensive testing of API integrations to verify functionality, data accuracy, and error handling.Apply robust security measures and authentication protocols to safeguard sensitive data during integration.Develop detailed documentation for APIs and integrations, including technical specifications, usage guidelines, and troubleshooting procedures.Oversee integration performance, promptly identify and resolve issues, and provide ongoing maintenance and support.Handle API versioning and upgrades while maintaining backward compatibility when necessary.Work effectively with cross-functional teams, including developers, testers, and project managers, to ensure successful integration projects.Stay informed about the latest API technologies, best practices, and industry trends to continually enhance integration processes.We offer:US and EU projects based on advanced technologies.Competitive compensation based on skills and experience.Regular performance appraisals to support your growth.Flexibility in workspace, either remote or our welcoming office.Bonuses for article writing, public talks, and other activities.Generous time off, including vacation, national holidays, sick leaves, and family days.Personalized learning programs tailored to your interests and skill development.Free tech webinars and meetups organized by Svitla.Regular corporate online activities.Awesome team and a friendly, supportive community!