Jobs for Developers

Senior iOS Engineer

EcosiaRemote; BerlinFull-time€76k - €91kJan 13, 2023

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A better planet with every search - Ecosia, the search engine that plants trees, is one of the world's largest social businesses and the first B Corporation in Germany. As part of our mission to cultivate a more environmentally, socially, and economically sustainable world, we are planting and protecting forests by enabling people to channel their everyday actions into environmental good. So far our 20+ million users have planted over 160 million trees. Our reach is expanding as we continue to grow and plant native and biodiverse trees worldwide!

We are looking for a Senior iOS Engineer (all genders) to join us remotely or in our office in Berlin. We need support in our team’s mission to scale our search engine and make more people climate active!

As a senior engineer in our Mobile team, you will lift our Swift app to the next level. With your contributions, our iOS users will browse the internet safer, find the right things faster with our search engine, and understand their individual climate impact. Day-to-day, you will dive deep on our mobile browser code (based on a fork of Firefox for iOS), design new technical and product solutions, and make other engineers around you better. While developing new features, you drive the collaboration with our backend engineering teams, and work with our designer to improve the user experience of our app. Together with your peers you will engage with the open source community and stay connected with Apple ecosystem.

Do you want to become part of a fun and inspiring team and shape a product used by millions of users every day and help regenerate our ecosystem? Come join us!



We recognize that you may need further development in some areas, and we encourage you to apply even if your profile does not meet all of the requirements for the role: we encourage and support growth and development for everyone.

Hiring Process

Our hiring process consists of 4 steps:
1) Quick first call with our recruiter
2) Technical conversation with 1 of your potential future colleagues
3) Pair programming session extending the previous assignment
4) Final, non-technical interview

(By default, all steps are done remotely.)

About our technology stack:

Mobile: Swift, Firefox for iOS
Backend: Go-lang or Python services using REST and gRPC
Infrastructure: Cloudflare, AWS
Tooling: Grafana, Github and CircleCI with fastlane for our CI/CD

We don’t expect you to have experience with all of the above but if you’re curious to learn and pair across these technologies this could be a good match! You can check our Tech radar for more details.

The salary range for the role

€76,000 - €91,000

In case of any issues or questions, reach out to [email protected]


- What if your job made a real difference in the climate crisis? Join Ecosia and support planting millions of trees where people and ecosystems need them most.
- We offer you the opportunity to balance work with other parts of your life. (Flexible working hours, more vacation days than the law requires (30 days/year on a five-day week), two no-meeting days, remote work options).
- Moving to Berlin for the first time? We welcome everyone and offer relocation support and visa/work-permit assistance to new employees and their loved ones coming from abroad and within Germany.
- We are a team of more than 25 nationalities that includes people from different sexual orientations, ages, races, physical/mental abilities, child/pet/plant parents non-traditional backgrounds.
- We enable you to live sustainably through our green benefits, such as subsidized public transport cards, bike inspection, green electricity allowance, etc.
- We support your professional growth through monthly learning days, hack days, online and physical library, 2000€ development allowance per year, continuous feedback, etc.
Useful links:
- Want to know what it's like to work for Ecosia?
- Ecosia’s career page
- 10 questions for Ecosia’s Founder and CEO
- Our Manifesto

If you’re living with a disability, illness, and/or neurodiversity or are primary caregivers, feel free to let us know how we can adjust and support your application process. For instance, we can provide different tools, interview formats, or more time for assignments.

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