Senior Frontend Engineer

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If you've been looking to join a fast-growing startup with a bold vision of a world where doing good is built into everything we do, then you've found the right place!

Backed by General Catalyst, the same investors behind Stripe and Airbnb, we're one of Europe's fastest-growing SaaS companies - building the technology that enables global enterprises to give, volunteer, and fund with confidence.

Our Mission

Our mission at Goodstack is to revolutionize how the world does good .

As a Series A social impact startup, we power global change through technology. We enable companies to seamlessly integrate positive impact into what they do through a unified platform while supporting nonprofits in gaining access to cutting-edge technology and finding new funding streams.

Global brands, including Google, OpenAI, TikTok, LinkedIn, HSBC, Atlassian and Twilio - as well as thousands of nonprofits, including the Red Cross, Cancer Research, and Oxfam - use Goodstack to make a difference.

In 2025 alone, we have facilitated $5 billion in donations to good causes. But this is just the beginning. We're building the world's leading platform that powers donations to nonprofits globally.

To keep our momentum and deliver consistently high value to our partners, we need incredible people to help us on our journey - we need you

Join us as a Senior Frontend Engineer to help make workplace giving effortless, transparent, and embedded into everyday work!

We're looking for an exceptionally skilled engineer who thrives at the intersection of product and technology.

In this role, you'll build and scale the core functionality behind Goodstack's workplace giving product, helping companies and employees support causes & charities directly through their workflow. If you have a strong engineering background, enjoy building secure, scalable systems, and want to work for a company making a hugely positive societal impact, this could be the perfect role for you.

As a Frontend Engineer at Goodstack, your mission will be to:

• Support the frontend team in building scalable donation & volunteering flows for employees.
• Integrate with payroll, HR, calendar, and payment providers to make giving seamless.
• Use AI on a regular basis to solve real user problems around agentic AI and content suggestions.
• Day to day you will be expected to write code and be involved in planning, product, and delivery.
• Be involved on a highly technical level, helping establish and build best practices regarding technologies used on the frontend.
• Ensure high code quality through automated testing, CI/CD, and monitoring, using tool like Github, AWS, Prometheus, and Grafana.
• Work closely with product, design, and engineering peers.
• Contribute to product strategy through a user-centric, data-driven mindset.
• Participate in architectural decisions that shape the platform.
• Mentor engineers and help grow the team's technical capabilities.

After 3 months, success will look like:

• Know your teammates well and feel comfortable in your new surroundings.
• Shipped features that directly impact our Workplace Giving product.
• Ramped on the product, processes, and workflows.
• Found the free sock merch in the office.

This role is a perfect match for you if you have:

• 4 years of experience in front-end development
• Proficient in TypeScript, React.js, and Redux
• Strong foundation in HTML, CSS, and SCSS
• Eager to take ownership of mission-critical projects
• Skilled in building single-page applications (SPAs)
• Experienced in integrating and working with RESTful APIs
• Detail-oriented with a strong eye for UI/UX design
• Proficient in creating responsive, mobile-friendly layouts
• Familiar with monitoring systems, CI/CD pipelines, and automated testing
• Comfortable writing documentation and proposals for stakeholders
• Portfolio or live project links available upon request (optional)

Bonus if you have knowledge or love of:

• Working in a startup environment.
• Tea drinking .

GB What you can expect upon joining our team

Salary reviews and share options becoming an integral part of our growth and share in the company's success

Goodstack's Workplace Giving

Vitality Plus - Private health insurance

£250 Brighten your day annual budget

£1000 Learning & development annual budget

Goodstack library

Tasty Tuesday! Office lunch is on the company

Slow run club (Wednesdays)

☆ Paid days off to volunteer for non-profit causes

Paid days to attend conferences

Paid day off on your birthday!

25 days annual leave, plus paid public holidays

Paid sick leave

Paid wellness leave

Parental leave

Flexible working hours

WFH budget upon joining

Pension

UK cycle-to-work scheme

Ecologi Carbon Offsetting

You're always welcome to pop in more often if you enjoy the buzz of being in the office. It's a warm, friendly space right in the heart of London

... and so much more
About us

Since 2017, Goodstack has been at the forefront of creating a future where good will be built into everything we do. From daily commutes to weekend activities or grocery shopping, we envision a world where creating positive change is seamlessly integrated into our everyday lives. In this future, the depth and breadth of impact we can make through everyday actions will expand dramatically - benefiting both businesses and the world.

Businesses are expected to deliver on both profit and purpose and those that don't are falling behind. We're here to make it easy for any company, anywhere in the world, to integrate good into what they do. Doing this empowers everyone - companies, employees, consumers, and communities - to contribute to positive change and take meaningful action.

Let's do this!

OUR PLEDGE TO DIVERSITY, EQUITY & INCLUSION

We take pride in our diverse and growing team representing 20+ nationalities across 5 continents ! Our continued expansion provides us with opportunities to embrace and celebrate different backgrounds, perspectives, and experiences, essential to our success. We actively seek and welcome applicants from all walks of life, regardless of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

A team that represents the world that we are trying to support is a wiser, more knowledgeable and stronger one. We're excited for you to bring your experience, yourself and your special lemon twist to Goodstack to propel us forward in striving to create a better world for us all.

Check out our Careers Page for more details!