SOFTSWISS

    Full-Stack Developer – Team Lead

    SOFTSWISS
    • • Posted 11/25/2025Senior Level
    Full-time
    Technology
    JavaScript
    TypeScript
    Node.js
    Frontend Frameworks
    Browser Internals

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    Job Description

    Overview:

    • SOFTSWISS is growing, and we are seeking a skilled Full-Stack Team Lead to join our team. If you are driven by excellence and share our values, we would love to hear from you.

    About Product:

    SOFTSWISS Game Aggregator A fast and cost-effective solution that allows you to integrate and manage casino gaming content easily Learn More

    Purpose of the role:

    We are looking for an experienced Full-Stack Team Lead who will guide a development team, drive technical excellence, and ensure smooth, predictable delivery. The ideal candidate has strong expertise in JavaScript/TypeScript, Node.js, modern frontend frameworks, and a deep understanding of browser internals, networking, and web performance.

    Key responsibilities:

    Team Leadership & People Management

    • Provide leadership, mentorship, and day-to-day support to the development team.
    • Allocate tasks based on team members’ strengths and expertise.
    • Participate in hiring, conduct technical interviews, and onboard new team members.
    • Give probation and performance review feedback, including addressing performance issues.
    • Identify process bottlenecks and introduce engineering best practices to enhance team efficiency.
    • Conduct risk assessments and develop mitigation strategies for feature delivery.
    • Work in a fully agile environment (Scrum) alongside senior engineers and business stakeholders.
    • Improve overall product quality through systematic engineering improvements.
    • Participate in code reviews, backlog grooming, and retrospectives.

    Collaborate with product, infrastructure, and business teams to ensure smooth delivery.

    Required Experience:

    5+ years of production experience with JavaScript (ES6+) and TypeScript in Node.js environments. 1+ years of experience as a Team Lead or Tech Lead.

    • Deep understanding of vanilla JavaScript and modern browser internals (DOM, lifecycle, JS runtime, resource loading, HTTP/2, QUIC, CORS, CSP, WebSockets, Service Workers).
    • Hands-on experience analyzing or reverse-engineering client-side applications (minified code, obfuscation, reproducing business logic, network trace analysis).
    • Proficiency with proxy/MITM tools (mitmproxy, Charles, Burp Suite) or programmatic interception libraries (http-proxy, undici hooks).
    • Strong understanding of networking fundamentals (TCP/IP, TLS, DNS, proxying protocols, traffic encryption).
    • Solid knowledge of HTML5, CSS3, and responsive UI practices.
    • Familiarity with Webpack/Vite, Babel, Docker, GitLab CI, semantic versioning, and OpenAPI specifications.
    • Ability to write clean, testable, and maintainable code.
    • Strong UX awareness with attention to performance and accessibility.

    Confident Git workflow, code reviews, and collaborative development practices. Strong knowledge of website vulnerability analysis and security principles.

    Nice to have:

    • Experience with Nginx (reverse proxying, caching, load balancing).
    • Experience designing or reviewing high-load systems (10k+ RPS).
    • Familiarity with WebAssembly and static analysis tools (webpack-bundle-analyzer, source-map-explorer).
    • Experience with cloud providers (AWS, GCP) and their load-balancing technologies.
    • Practical experience with React 18 and state management libraries (Redux-Saga, MobX, Zustand).

    Our Benefits:

    Full-time remote work opportunities and flexible working hours Private insurance Additional 1 Day Off per calendar year Sports program compensation Comprehensive Mental Health Programme Free online English lessons with a native speaker Generous referral program

    • Training, internal workshops, and participation in international professional conferences and corporate events.

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