Appfire

Fullstack Developer (Java & React) - Mid

Appfire
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13 days ago
Remote, PolandMid Level

Responsibilities

  • Design, develop, and maintain product features using Java, Spring Boot, TypeScript, Node.js, and React.
  • Build and maintain RESTful APIs, backend services, and frontend applications for workflow and automation solutions.
  • Write and maintain unit, integration, and end-to-end tests and participate in code reviews.
  • Collaborate with product managers, UX/UI designers, and development teams to deliver customer-focused features.
  • Contribute to the design and continuous improvement of cloud-based SaaS architecture.
  • Build reliable, scalable, secure solutions while considering performance, concurrency, caching, and authorization.
  • Investigate and resolve technical issues, including providing technical support for customers.
  • Share knowledge and contribute to team discussions and continuous improvement.

Requirements

  • At least three years of commercial experience with Java 17 and Spring Boot, including developing and maintaining RESTful APIs.
  • Strong practical experience with TypeScript and Node.js, especially for backend logic, serverless functions, or API resolvers.
  • Strong frontend development experience with React, including Redux or TanStack Query and routing.
  • Understanding of software design principles, design patterns, and application architecture.
  • Experience writing automated unit and integration tests, with familiarity with JUnit 5, Mockito, Vitest, or Playwright.
  • Experience using Git and Maven, plus working knowledge of Docker and modern development workflows.
  • Strong problem-solving skills, a hands-on approach, collaboration, adaptability, and continuous-learning mindset.
  • Good English communication skills at B2 level or higher.

Benefits

  • Fully remote work across Appfire’s distributed organization.
  • Company equity eligibility for every team member.
  • 26 paid vacation days annually regardless of tenure.
  • One paid Wellness Day each month for emergency, rest, or recovery needs.
  • 24 hours of paid volunteer time and three fully paid volunteering days annually through Appfire Town.
  • Access to Appfire University for on-demand learning and professional development.
  • Fully covered Luxmed private healthcare, with optional partner coverage and upgrades.
  • Fully paid UNUM life insurance.
  • MyBenefit allowance of 150 PLN per month for selected lifestyle and entertainment benefits.
  • Lunch Card allowance of 300 PLN per month for groceries or dining out through Pluxee.
  • Home office allowance of 200 PLN net per month for electricity and internet costs.

Tech Stack

Categories

Appfire

About Appfire

501-1,000 employees

Appfire builds and acquires software apps that extend platforms like Atlassian (Jira, Confluence), Microsoft, monday.com, and Salesforce for enterprise collaboration, workflow automation, and agile/ITSM teams. It sells commercial marketplace apps and subscriptions, has been on the Atlassian Marketplace since 2012, and its portfolio includes BigPicture, 7pace Time Tracker, JXL, Comala Document Management, and Jira Misc Workflow Extensions. Founded in 2005 and headquartered in Burlington, Massachusetts, it serves tens of thousands of customers worldwide.

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