Senior Frontend Engineer (f/m/d) 38.5h

Posted 2 Months Ago
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Wien, AUT
In-Office
55K-70K Annually
Senior level
Social Impact • Software
The Role
Build and ship frontend features across Angular-based cockpit and donation form systems. Write clean, tested, documented TypeScript code, integrate REST APIs, refactor legacy code, create unit and E2E tests, improve CI/CD pipelines and build performance, participate in code reviews, and troubleshoot production issues collaboratively.
Summary Generated by Built In

We are Formunauts – a fast-growing impact company with a clear mission:
We support more than
100 charities in Europe and Latin America in achieving their goals. Our clients include Amnesty International, Doctors Without Borders, WWF and Greenpeace.

Since 2014, our award-winning software has helped make fundraising campaigns more efficient, increasing the funds available for meaningful projects. Since 2020, we have been operating the world’s first marketplace for face-to-face fundraising, opening up new potential for organizations and social impact startups.

In short: We build technology that enables real-world impact.


Your Role

We are looking for a Senior Frontend Engineer who loves building polished, user-friendly interfaces and takes pride in writing clean, maintainable code.


You will work hands-on across our frontend systems- from our Angular-based Cockpit to donation form widgets - shipping features that directly help charities raise more funds. You'll collaborate closely with the UX designer, backend engineers, and product to turn ideas into reality.



What we offer
  • Agile development process
  • Code reviews, automated testing and a structured deployment process 
  • Work in a highly talented and international team.
  • A lot of room for your good ideas.
  • Possibility of home office.
  • Nice office in buzzing neighbourhood in Vienna.
  • A job with real impact: our service helps to secure funding for the worlds biggest charities such as Amnesty International, Greenpeace, Save the Children, Doctors without borders and many more.


What You’ll Do
  • Build and ship new features across our Angular-based Cockpit and donation form systems
  • Write clean, tested, well-documented code that your teammates enjoy working with
  • Integrate with REST APIs and collaborate with backend engineers on data flows
  • Refactor and improve existing codebases, reducing technical debt where it matters
  • Write unit and E2E tests to keep our platform stable and reliable
  • Contribute to CI/CD pipeline improvements and build optimizations
  • Participate in code reviews, giving and receiving constructive feedback
  • Help troubleshoot and debug production issues when they arise


What You Bring
  • Solid experience with frontend development in a production environment
  • Proficiency in Angular (or similar modern frameworks like React/Vue- willingness to work in Angular)
  • TypeScript proficiency (must-have)
  • Experience building and consuming REST APIs
  • Hands-on experience with testing (unit tests, E2E tests with Cypress or similar)
  • Familiarity with CI/CD pipelines and build tooling (GitHub Actions)
  • Comfortable withstate management patterns (NgRx, Redux, or similar)
  • A pragmatic mindset - you ship working software and iterate
  • Enjoyment of working in a collaborative team that shares responsibility and impact
Nice to Have
  • Experience with PWA patterns
  • Knowledge of component library architecture and design systems
  • Familiarity with performance monitoring and observability tools.
  • Experience with internationalization/localization in multi-language applications
  • Understanding of donation/payment form integrations
  • Bonus skill: a surprisingly solid taste in bad music for the perfect sprint song


If you are excited about building scalable frontend systems that actually make a difference, and you want to grow together with a purpose-driven team, we’d love to hear from you.

The actual salary depends on your qualifications and experience and is between 3,900 € and 5,000 € gross per month (on a 38.5 hour basis). The salary is paid 14 times per year.


Skills Required

  • Solid experience with frontend development in a production environment
  • Proficiency in Angular or similar modern frameworks, with willingness to work in Angular
  • TypeScript proficiency
  • Experience building and consuming REST APIs
  • Hands-on experience with unit testing and E2E testing using Cypress or similar
  • Familiarity with CI/CD pipelines and build tooling such as GitHub Actions
  • Comfort with state management patterns such as NgRx or Redux
  • Experience with PWA patterns
  • Knowledge of component library architecture and design systems
  • Familiarity with performance monitoring and observability tools
  • Experience with internationalization and localization in multi-language applications
  • Understanding of donation and payment form integrations
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The Company
35 Employees
Year Founded: 2014

What We Do

Formunauts provides SaaS tools and managed services for face-to-face fundraising and petition campaigns. Its Formunauts App supports fundraisers with donor feedback, gamification, interactive presentations, training resources, and digital payments, while Formunauts One delivers fully managed, data-driven campaigns. The company serves charities, nonprofits, and fundraising agencies internationally, helping them recruit recurring donors, launch campaigns, scale teams, and increase social impact through technology and coordinated campaign operations.

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