Senior Frontend Developer – Tech Lead

Job not on LinkedIn

🔥 14 hours ago

🇱🇹 Lithuania – Remote

💵 $30 - $35 / hour

⏳ Contract/Temporary

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 20%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Uvation

WebsiteLinkedInAll Job Openings

11 - 50 employees

💼 Consulting

🏥 Healthcare

🤖 Artificial Intelligence

Consulting • Healthcare • Artificial Intelligence

Uvation is a comprehensive technology services company providing innovative solutions across the IT infrastructure space. They specialize in artificial intelligence and cutting-edge cybersecurity solutions, offering products powered by Dell and Nvidia AI. Uvation delivers various managed services, including IT operations, security operations, and network operations, optimizing performance and enhancing security for businesses. Their services extend into public clouds with partnerships involving major platforms like Oracle Cloud, Google Cloud, and Amazon AWS. Uvation also operates a marketplace offering competitive pricing on a wide range of hardware and software products and provides a rewards program to incentivize customer engagement.

📋 Description

• Own technical direction for complex front-end features • Support the team through design decisions, reviews and mentoring • Define scalable front-end architecture with clear boundaries between UI, business logic and data access • Design reusable component libraries and govern consistent component APIs • Implement interfaces from detailed visual specifications and design systems • Integrate REST APIs and validate API contracts with backend teams • Optimize performance through profiling, memoisation, code splitting, lazy loading and bundle analysis • Build graphics-heavy interfaces using WebGL, three.js or React Three Fiber • Manage events and interactions across layered UI and graphics surfaces • Integrate map SDKs and manage coordinate systems, provider fallbacks and API tokens • Build components that integrate cleanly into existing host applications • Develop and maintain testing strategies using Vitest or Jest and React Testing Library • Contribute to CI/CD pipelines, Git workflows and pull-request reviews • Mentor team members, break down tasks, estimate work and produce technical documentation • Apply front-end security fundamentals

🎯 Requirements

• 5 to 8 years of experience • Advanced experience with React, Next.js, TypeScript and modern hooks-based component design • Ability to design scalable front-end architecture with a single source of truth and clear boundaries between UI, business logic and data access • Experience designing reusable component libraries and governing consistent component APIs • Deep experience with Zustand, Redux Toolkit or an equivalent state-management approach, including efficient selector design • Strong HTML, CSS and SCSS skills, including responsive design, accessibility and style isolation • Experience implementing interfaces from detailed visual specifications and using design systems such as IBM Carbon or Material UI • Strong REST API integration experience, including typed models, adapters, polling and defensive handling of missing or inconsistent data • Experience defining or validating API contracts with backend teams and applying contract-testing principles • Demonstrated performance expertise, including profiling, memoisation, code splitting, lazy loading and bundle analysis • Awareness of frame rate, GPU utilisation and memory behaviour on graphics-heavy screens • Hands-on experience with WebGL, three.js or React Three Fiber, including scene and camera control, pointer picking and animation timelines • Experience managing events and interaction across layered UI and graphics surfaces • Experience integrating map SDKs, handling coordinate systems, implementing provider fallbacks and managing API tokens safely • Ability to build components that integrate into an existing host application through clean props and callbacks, isolated styles and no unintended global side effects • Strong testing experience with Vitest or Jest and React Testing Library, supported by a practical test strategy • Experience with strict TypeScript, error boundaries, cross-browser testing and browser DevTools • Experience contributing to CI/CD pipelines, Git workflows and high-quality pull-request reviews • Experience with Azure DevOps • Proven technical leadership through mentoring, task breakdown, estimation and technical documentation • Understanding of front-end security fundamentals, including secure environment configuration, safe logging and responsible third-party dependency use • Good to have: experience with advanced animation libraries such as GSAP or Framer Motion • Good to have: experience with charting and data-visualisation libraries • Good to have: experience with visual regression testing or end-to-end testing using Playwright • Good to have: experience with internationalisation and localisation at scale • Good to have: familiarity with micro-frontends, monorepos or design-system governance • Good to have: experience with production observability, release support and incident investigation • Good to have: experience leading technical discovery or proof-of-concept work for complex interactions