Senior Ruby on Rails Engineer
Sowelo Consulting sp. z o.o. sp. k.
AWSHerokuJavaScriptjQueryMySQLRubyRuby on RailsTerraform
Backend Engineer – Integrations Team
DocPlanner
full-time
Posted on:
Location Type: Remote
Location: Remote • 🇵🇱 Poland
Visit company websiteJob Level
SeniorLead
Tech Stack
CloudDistributed SystemsDockerKafkaKubernetesNoSQLRabbitMQSQL
About the role
- Design, develop, and maintain backend solutions with a focus on scalability, reliability, and observability.
- Develop, optimize, and maintain public APIs for healthcare system integrations.
- Ensure high performance and robustness in high-traffic, mission-critical environments.
- Collaborate with product managers, designers, and stakeholders to deliver well-designed, maintainable solutions.
- Promote agile practices, CI/CD, and DevOps culture within the team.
- Contribute to code reviews, automated testing, and comprehensive documentation.
- Support integration partners with reliable tooling and strong developer experience.
- Explore and integrate emerging technologies, including AI/ML, where relevant to backend systems.
Requirements
- A senior backend engineer with deep expertise in designing and building highly scalable, reliable, and observable systems.
- Comfortable working across multiple modern programming languages.
- Curious, collaborative, and thrive in cross-functional teams.
- Passionate about creating backend architectures that perform under high load, recover gracefully from failures, and provide clear insights through observability.
- Committed to clean, testable, and well-documented code that supports long-term maintainability.
- Excited to tackle complex technical challenges at scale and make strategic system design decisions that enhance overall reliability and performance.
- 8+ years of experience designing and building scalable backend systems.
- Strong expertise in designing distributed systems, async programming, and service-oriented architectures.
- Hands-on experience with message brokers, queues, or event-driven systems (e.g., RabbitMQ, Kafka).
- Solid knowledge of database design and optimization (SQL + NoSQL).
- Familiarity with cloud-native practices, containerization (Docker), and orchestration (Kubernetes).
- Strong grasp of software engineering best practices (SOLID, DRY, testing, CI/CD).
- Proficiency in English (B2+) for effective collaboration.
Benefits
- Share options plan after 6 months of working with us.
- True flexibility and work-life balance
- Remote or hybrid work model with or hub in Warsaw;
- Flexible working hours (fully flexible, as in most cases you only have to be on a couple of meetings weekly);
- 20/26 days of paid time off (depending on your contract);
- Additional paid day off on your birthday or work anniversary (you choose what you want to celebrate).
- Private healthcare plan with Signal Iduna for you and subsidized for your family.
- Multisport card co-financing for you to have access to sports facilities across Poland.
- Access to iFeel , a technological platform for mental wellness offering online psychological support and counseling.
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
backend developmentscalabilityreliabilityobservabilityAPI developmentdistributed systemsasync programmingservice-oriented architecturedatabase designcloud-native practices
Soft skills
collaborationcuriosityproblem-solvingcommunicationteamworkadaptabilitystrategic thinkingattention to detailpassion for technologycommitment to quality
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