Fullstack Developer (Java & TypeScript)

Appfire
Poland
Remote

Who this role is best for

Best suited to fullstack developers with experience in Java and TypeScript working in a remote-first, agile environment focused on SaaS automation solutions.

Best fit for

  • Candidates with 3+ years of commercial Java and Spring Boot experience, especially in RESTful API development
    — “Minimum 3 years of solid commercial experience with Java 17 and Spring Boot, including developing and maintaining RESTful APIs.”
  • Individuals who have worked extensively with TypeScript and Node.js for backend or serverless functions
    — “Strong practical experience with TypeScript and Node.js, particularly for backend logic, serverless functions, or API resolvers.”
  • Professionals familiar with React and modern state management techniques like Redux or TanStack Query
    — “Strong frontend development experience with React, including modern state management solutions such as Redux or TanStack Query and routing.”

Things to consider

  • The role expects a high level of English communication, which may be a barrier for non-native speakers
    — “Good English communication skills (B2 or higher)”
  • Candidates must be comfortable with remote work and distributed team collaboration
    — “working remotely across 28 countries”

How to stand out

  • Highlight contributions to cloud architecture and automation in your resume and interviews
    — “Contribute to the design, development, and continuous improvement of our cloud-based SaaS architecture.”
  • Emphasize your experience with automated testing and tools like JUnit 5 or Vitest
    — “Experience writing automated tests, including unit and integration tests, and familiarity with tools such as JUnit 5, Mockito, Vitest, or Playwright.”
  • Showcase your ability to work in agile environments and deliver customer-focused solutions
    — “Our teams work in an agile and lean environment, with small, empowered Scrum teams, effective sprints, and a strong focus on ownership and continuous improvement.”
Pace · Fast PacedCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • Developed and maintained RESTful APIs and backend services
  • Built and maintained frontend applications using React
  • Contributed to the design and continuous improvement of SaaS architecture
  • Helped build reliable, scalable, and secure solutions
Typical background
3+ years of experience in Java and Spring BootStrong experience in TypeScript and Node.jsExperience in frontend development with React

Skills & requirements

Required

JavaSpring BootTypeScriptNode.jsReactRestful ApisGitMavenDockerUnit TestingIntegration TestingEnd-to-end TestingCode ReviewsAgile DevelopmentScrumSaas ArchitectureCloud SolutionsPerformance OptimizationConcurrencyCaching

Preferred

ReduxTanstack QueryPlaywrightMockitoVitest

Stack & domain

JavaSpring BootTypeScriptNode.jsReactReduxTanstack QueryJunit 5MockitoVitestPlaywrightGitMavenDockerProblem-solvingCollaborationExperimentationContinuous Learning And ImprovementSoftware DevelopmentCloud-based Saas Architecture

About the role

Original posting from Appfire via Greenhouse

At Appfire, we believe that great work happens when people get to choose how they work. After 20 years of creating software that empowers teams to break silos and collaborate seamlessly, we've learned that one size does not fit all. We’re a team of 800+ employees, working remotely across 28 countries. Our flagship products include: JXL, Comala Document Management, 7Pace Time Tracker, Jira Misc Workflow Extensions, and BigPicture.

Here you can read some of our customer stories: https://appfire.com/resources/resource-library/customer-stories

About the role:

We are looking for an experienced Fullstack Developer (Java & TypeScript) to join our product team working on Appfire’s Workflow and Automation solutions, used by thousands of companies worldwide. You’ll collaborate closely with product managers, UX/UI designers, and other developers to build and improve reliable, scalable products that help customers automate their workflows. Our teams work in an agile and lean environment, with small, empowered Scrum teams, effective sprints, and a strong focus on ownership and continuous improvement. You’ll also have the opportunity to contribute to our SaaS architecture and help shape the future of our cloud solutions.

What you’ll do:

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 that support our Workflow and Automation solutions.

Ensure high code quality through unit, integration, and end-to-end testing, code reviews, and collaborative problem-solving.

Collaborate with product managers, UX/UI designers, and other development teams to deliver features that address customer needs.

Contribute to the design, development, and continuous improvement of our cloud-based SaaS architecture.

Help build reliable, scalable, and secure solutions, considering performance, concurrency, caching, and authorization.

Investigate and resolve technical issues, including providing technical support for our customers.

Share knowledge, contribute to team discussions, and support continuous learning and improvement across the development team.

What you'll need:

Minimum 3 years of solid commercial experience with Java 17 and Spring Boot, including developing and maintaining RESTful APIs.

Strong practical experience with TypeScript and Node.js, particularly for backend logic, serverless functions, or API resolvers.

Strong frontend development experience with React, including modern state management solutions such as Redux or TanStack Query and routing.

Practical understanding of software design principles, design patterns, and application architecture.

Experience writing automated tests, including unit and integration tests, and familiarity with tools such as JUnit 5, Mockito, Vitest, or Playwright.

Experience using Git and Maven, with working knowledge of Docker and modern development workflows.

Strong problem-solving skills, a hands-on approach, and a willingness to collaborate, experiment, learn, and continuously improve.

Good English communication skills (B2 or higher)

Benefits & Perks

Equity: every Appfire team member is eligible for company equity, fostering a true sense of ownership and connection to our growth

Time Off & Wellbeing

26 paid vacation days annually, regardless of tenure

Wellness Days - one fully paid day off each month for an unplanned emergency, rest, or recovery needs available on an ad-hoc basis (not carried over month-to-month)

24 hours of paid volunteer time to support meaningful causes outside of work

3 fully paid volunteering days each year through Appfire Town, our Corporate Social Responsibility (CSR) program supporting local communities

Learning & Development: grow with Appfire University — our custom, on-demand learning platform designed to support continuous learning and professional development.

Health & Insurance

Fully covered Luxmed private healthcare plan

Option to extend coverage to your partner or add personalized upgrades

UNUM life insurance, fully paid by Appfire

Lifestyle & Benefits

MyBenefit Platform with 150 PLN per month to spend on: a Multisport card, shopping, restaurants, entertainment experiences

Lunch Card with 300 PLN monthly for groceries or dining out via a virtual prepaid Pluxee card (Google Pay or Apple Wallet supported)

Remote Work Support: receive 200 PLN net per month as a home office allowance to help cover electricity and internet costs while working remotely.

Market recognition

Appfire has been consistently recognized for company growth, culture, corporate social responsibility, and product excellence and has been included among the Deloitte Technology Fast 500, Inc. Best Workplaces, BuiltIn Best Places to Work, and Inc. 5000. Learn more about our accomplishments, which would not be possible without our team members, partners, and customers: https://appfire.com/awards.

Equal Employer Opportunity (EEO)  

Appfire is an equal opportunity employer and does not discriminate based on race, color, religion, sex (including pregnancy), sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, veteran status, or any other protected characteristic as defined by applicable law. Our commitment extends to all employment practices, including recruitment, hiring, training, promotion, compensation, benefits, and termination.

Source: Appfire careers (Greenhouse)

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