Jobgether
Jobgether

Senior Backend JavaScript Developer

Accountabilities:
  • Lead end-to-end development of backend features, from system design and implementation to deployment and continuous improvement in production environments.
  • Build, maintain, and optimize high-scale backend services with a strong focus on performance, reliability, scalability, and security.
  • Contribute to system architecture decisions, ensuring solutions are robust, maintainable, and aligned with long-term technical strategy.
  • Work on advanced networking challenges such as traffic routing, proxy behavior, request/response lifecycle, and protocol edge cases.
  • Diagnose and resolve complex production issues using debugging and packet inspection tools (e.g., Wireshark and similar technologies).
  • Collaborate with cross-functional engineers and stakeholders while actively participating in code reviews and engineering best practices.
  • Requirements:

    • 5+ years of software engineering experience, including at least 2+ years specializing in backend JavaScript / Node.js development.
    • Strong understanding of the Node.js runtime and event loop, including performance trade-offs (I/O vs CPU-bound workloads, async patterns, memory management, and blocking risks).
    • Proven experience designing, building, and operating production-grade backend systems.
    • Solid knowledge of networking fundamentals and protocols including TCP/IP, UDP, DNS, HTTP (1/2/3), TLS, and WebSockets.
    • Experience working with MongoDB, Redis, and distributed caching or data storage systems.
    • Familiarity with Kubernetes and containerized deployment environments.
    • Strong system design skills covering APIs, scalability, reliability, fault tolerance, and performance optimization.
    • Comfortable working independently in a fast-paced environment while collaborating effectively within a team.
    • Strong English communication skills, both written and verbal.
    • Nice to have:

      • Experience with AWS and SaaS-based architectures.
      • Background in debugging production networking issues such as latency, packet loss, and TLS handshake failures.
      • Experience with observability tools (logging, metrics, tracing) and incident response/on-call practices.
      • Benefits:

        • Competitive salary aligned with senior-level expertise and market benchmarks.
        • Flexible working arrangements, including remote options depending on team setup.
        • Health and wellness benefits package (medical, dental, and vision where applicable).
        • Opportunity to work on large-scale, high-impact backend and networking systems.
        • Continuous learning environment with exposure to advanced distributed systems challenges.
        • Collaborative engineering culture focused on innovation, ownership, and technical excellence.
How Jobgether works:
We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.
We appreciate your interest and wish you the best!
 
Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.
 
 
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Jobgether runs the largest remote job platform, effectively linking job seekers with over 200,000 flexible and remote opportunities that match their unique skills and preferences. Our focus is on enhancing the hiring process, ensuring efficiency while prioritizing the candidate experience, particularly in the growing health and wellness sector.

Founded
Founded 2020
Employees
11-50 employees
Industry
Professional Services
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