Jobs in Koszalin, South Africa

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.

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

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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.

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.

• 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.

• 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).

• 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.