Senior Web SDK Engineer

• →Build highly stable and reliable SDKs used by our clients all over the world
• →Collaborate with product owners, QA team, and other engineers (Android engineers, iOS engineers, other Web SDKs engineers, C++ engineers)
• →Work closely with product management, application software engineers, and partners to understand requirements, specify interfaces for new software frameworks, and enhance existing frameworks
• →Together with other team members, participate in decision-making related to the end-user experience and developer experience. We want it to be as easy for developers to integrate our SDK as it is for the end-user to use the final application.
• →Contribute to cross-platform SDK development for Flutter and React Native, bridging our Android and iOS native SDK capabilities to mobile cross-platform environments
• →Further automate our release and publishing process
• →Mentor other engineers and help cultivate a growing team
• →Contribute to establishing good engineering practices in software development and suggest improvements for processes, tools, and projects

• strong proficiency in TypeScript/JavaScript and web development
• deep understanding of web platform development using TypeScript and JavaScript, with a focus on writing clean, maintainable, and modular code
• Solid knowledge of browser APIs, memory management, concurrency (Web Workers, async/await), and performance optimization in browser environments
• Experience with web architecture and best practices – Strong understanding of web architectural patterns, browser lifecycle management, and the modern web ecosystem
• Familiarity with dependency management and package distribution tools (npm, yarn) and module bundlers (Webpack, Vite, Rollup)
• Experience with designing reusable libraries, APIs, or SDKs – Ability to design stable, well-documented APIs with a strong focus on backward compatibility, developer experience, and ease of integration across different JavaScript environments (vanilla JS, bundlers, frameworks like React/Angular/Vue)

• Experience with cross-platform frameworks (React Native and/or Flutter), including building or maintaining plugins/bridges between native Android/iOS and cross-platform layers.
• Experience with WebAssembly (WASM) and C++ interop
• Hands-on experience writing WASM bindings to C++ code, exposing native functionality to JavaScript/TypeScript consumers
• Familiarity with toolchains such as Emscripten, and understanding of the WASM execution model, memory model, and its constraints within the browser sandbox.

• Microblink owes its success to its people. That is why we offer equity participation to all of our full-time employees so that we can grow together
• Unlimited PTO, giving you the flexibility to take time off as needed to maintain a healthy work-life balance
• Location-specific benefits tailored to meet diverse personal preferences and country standards
• Flexible work arrangements, allowing you to adjust your schedule—whether working remotely or at our Zagreb or New York office
• Opportunities to learn and develop your skills through internal L&D programs and a supportive working environment

At Microblink, we nurture a culture that recognizes and rewards success, and is not afraid to try, fail and learn from mistakes. Find out what it feels like to work at Microblink

We are reviewing applications from candidates based in Croatia, Serbia, Romania, and Bulgaria. Candidates must have residency and work authorization in one of these countries. We do not offer visa sponsorship or B2B engagement at the moment.

If this role intrigues you, do not hesitate to hit the apply button and send us your resume. We are excited to meet talented people even if you don’t feel that you match 100% of the requirements.

So don’t let that discourage you - get in touch with us and we promise to get back to you.