Senior Front End Engineer (React)

Ajax Systems
Ukraine
Workplace: OnsiteFull timeFunction: Administration & Executive AssistanceSkills: ["Communication","Problem-solving","Leadership","Collaboration","Architectural thinking"]

Senior Front End Engineer (React) at Ajax Systems responsible for architecting and delivering advanced frontend features across web and mobile platforms. You will work with TypeScript, React, Next.js, and NX within an R&D environment, build video streaming experiences for CCTV and integrate WebRTC, Protobuf, and Storybook-driven UI libraries, contributing to scalable, reusable code across platforms.

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FursaFursa
Ajax Systems
Ajax Systems
6 months ago

Senior Front End Engineer (React)

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Last checked: 2 hours agoStatus: Live

Job Summary

Senior Front End Engineer (React) at Ajax Systems responsible for architecting and delivering advanced frontend features across web and mobile platforms. You will work with TypeScript, React, Next.js, and NX within an R&D environment, build video streaming experiences for CCTV and integrate WebRTC, Protobuf, and Storybook-driven UI libraries, contributing to scalable, reusable code across platforms.
Location: Ukraine
Workplace: Onsite
Employment Type: Full time
Job Function: Administration & Executive Assistance
Seniority: Sr. Manager level

Key Responsibilities

  • •Architect and implement frontend features for web and Tizen-based video viewing apps using React/Next.js and Video SDKs
  • •Maintain and scale existing pages, unifying shared logic into a library to support multiple platforms
  • •Collaborate with designers and backend teams to ensure a cohesive user experience and performance
  • •Develop and enhance Storybook components with TailwindCSS and DaisyUI for design consistency
  • •Participate in code reviews, testing strategies, and CI/CD improvements to deliver reliable software

Pay and Benefits

Perks:Health InsuranceLearning Budget

Key Requirements

  • •Expert TypeScript with deep understanding of types and monorepos
  • •React with hooks, context, and performance optimization; Next.js experience
  • •Experience with architectural patterns and NX for large codebases
  • •Knowledge of data streaming and real-time protocols
  • •Unit, integration, and end-to-end testing and testing pyramid concepts
Experience:IoTSecurity hardwareSmart home
Skills:CommunicationProblem-solvingLeadershipCollaborationArchitectural thinking
Languages:UkrainianEnglish
Tech Stack:TypeScriptReactNext.jsNXWebRTCVideo StreamingProtobufBufbuildReact NativeExpoTailwindCSSDaisyUIStorybookRollupWebpackViteCI/CD

Company Brief

Ajax Systems
Designs and manufactures wireless professional security systems and smart home devices, including alarms, sensors, cameras, and communication hubs, sold globally for residential and commercial security and IoT integration.
Industry: Surveillance & Security Hardware
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Headquarters: Kyiv, Ukraine
Founded: 2011
WebsiteLinkedIn