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Protocol Intelligence
Data-driven signals on your job's competitivenessYC-backed, remote-friendly mid-level generalist role with broad stack and popular title increases applicant competition.
Core full-stack skills transfer across SaaS, but real-time scaling and WebSocket experience add moderate domain specificity.
Explicit 4–6 years plus mandatory React/Java, system-design, Postgres/Redis, cloud, and CI/CD requirements enforce strict shortlisting.
Job Description
Structured overview of role & requirementsAbout This Role
Own end-to-end feature development including design, coding (React frontend, Java backend), deployment, and 24/7 reliability.
Design and build scalable, low-latency real-time systems supporting thousands of concurrent users and live streaming events.
Shape and enforce software architecture and engineering best practices, including documentation, testing, and code reviews.
Minimum Requirements
4-6 years of industry experience as a full-stack or specialised software engineer.
Strong expertise in React or Java (Spring Boot) with solid knowledge of the other.
Proficiency in frontend fundamentals (HTML, CSS, JavaScript) and relational databases (Postgres or MySQL).
Experience using AI-assisted coding tools (e.g., Cursor, Claude Code, Copilot) with the ability to critically audit their output.
Ideal Candidate Profile
Experienced full-stack engineer comfortable across frontend, backend, and cloud infrastructure environments.
Skilled in designing both high-level distributed systems and low-level performance optimisations in real-time applications.
Practices rigorous engineering discipline including writing clean, well-tested code and collaborating closely with product and design teams.