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Senior Node.js Developer at Flosum | Remote in Ukraine

FlosumRemote — Ukraine
Remote Full-time

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Experience Level

Senior

Qualifications

Essential SkillsPlease review this section attentively. We are precise about our requirements as we take our hiring process seriously. Non-Negotiable Technical SkillsA minimum of 5 years of professional Node.js development experience in production environments – not tutorials, personal projects, or bootcamp exercises. We seek real production systems that serve actual users at scale. Expertise in asynchronous programming, event loops, streams, and the Node.js runtime. You should be able to elucidate backpressure, the distinctions between setImmediate and process.nextTick, and the dangers of unhandled promise rejections without external references. Extensive experience with TypeScript in real-world codebases. We prioritize typed code and expect you to understand its significance. Strong proficiency in RESTful API design, authentication patterns (OAuth 2.0, JWT), and best practices for API security in enterprise settings. Demonstrated experience with SQL and NoSQL databases, including query optimization and data modeling.

About the job

About Us

Flosum is a thriving, self-sustained B2B SaaS innovator renowned for delivering a top-tier Salesforce-native DevSecOps, Data Protection, and Security platform. Our solutions are a trusted choice for Fortune 500 companies operating in some of the world's most regulated sectors, including financial services, healthcare, government, and insurance.

Unlike typical startups that prioritize rapid scaling and superficial metrics, we have achieved profitability through our own strategic efforts. As a Salesforce Summit Partner and recipient of an Innovation Award, we proudly stand alongside major players in the enterprise software sector.

Our platform is exclusively built on Salesforce, catering to enterprises that demand uncompromising standards in security, compliance, and reliability.

Purpose of This Role

As we embark on an ambitious growth trajectory, enhancing our product offerings, expanding our platform capabilities, and boosting our delivery speed, we seek seasoned Node.js developers who can take ownership of substantial aspects of our architecture and deliver production-quality code relied upon by our enterprise clients daily.

This position is not merely a staff augmentation role. You will collaborate closely with engineering leadership, product managers, and our CEO. Your decisions will carry significant weight, your insights will be valued, and the quality of your work will be visible to the customers who depend on our platform.

Your Contributions

  • Develop high-performance back-end services and APIs that drive enterprise-grade SaaS applications
  • Design scalable, secure Node.js microservices and integrations within the Salesforce ecosystem
  • Create modern front-end solutions using Vue.js and TypeScript for demanding enterprise users
  • Build CI/CD pipeline tools, automation frameworks, and infrastructure to enhance developer productivity
  • Implement real-time data processing and event-driven architectures to manage sensitive enterprise data at scale

About Flosum

Flosum is a successful B2B SaaS company that has built a robust Salesforce-native platform for DevSecOps, Data Protection, and Security. With a strong emphasis on profitability and innovation, we serve leading enterprises across highly regulated industries, ensuring the highest standards of security and compliance.

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