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Dyninno Group

Senior Frontend Developer

Dyninno Group
Latvia · Full-time · Not Applicable

We are looking for a Senior Frontend Developer who can take ownership of a complex frontend ecosystem, make confident technical choices, and deliver reliable, scalable solutions. You will work on a mission-critical CRM system, improving and evolving its frontend architecture within a hybrid (legacy + modern) environment. Your work will directly impact internal users and core business operations.

Responsibilities

  • Collaborate with product, design, and backend teams to deliver scalable frontend solutions.
  • Design, develop, and maintain features within a complex CRM platform.
  • Write clean, maintainable code and improve legacy codebases.
  • Own technical decisions, including architecture and implementation.
  • Ensure high performance and responsiveness.
  • Monitor, debug, and support production systems.
  • Mentor team members and share technical knowledge.
  • Follow best practices: testing, code reviews, and standards.
  • Continuously improve user experience and system performance.

Requirements

  • Strong proficiency in TypeScript and modern JavaScript (ES2022+).
  • Deep experience with React (hooks, performance optimization, patterns).
  • Experience with Jotai and TanStack Query.
  • Experience with Tailwind CSS and design systems.
  • Familiarity with Radix UI, headless components, and MUI.
  • Form handling with React Hook Form + Zod.
  • Testing: Jest, Testing Library, Playwright.
  • Experience with bundlers (Rspack or Webpack).
  • Familiarity with tools like Biome.
  • Experience with Sentry or similar monitoring tools.
  • We believe great ideas happen together, so you’ll join us in a hybrid setup: 3 days in our lovely office and 2 days working remotely.

Nice To Have

  • Migration experience from jQuery / Bootstrap to React.
  • Familiarity with Web Workers / SharedWorkers.
  • Basic knowledge of PHP templates.
  • Experience in large hybrid systems.

Compensation

The compensation for this position is up to 4,500 EUR gross per month, depending on the applicant’s professional experience in the relevant field.

Key Skills

Ranked by relevance

react crm product design javascript typescript bootstrap jquery css php ui
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Posted
Apr 14, 2026
Type
Full-time
Level
Not Applicable
Location
Riga

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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