Application deadline: December 15th CET

Bitrefill is the leading crypto e-commerce site worldwide, fostering a circular economy that allows people to opt out from the traditional banking systems and embrace freedom. We make it easy for people to live on crypto around the world.

Does this sound like something to you? Then keep reading :)

Your Mission:

As our Mobile App Developer, you will work on migrating the current web-based experience of Bitrefill into native mobile for iOS and Android. A large percentage of our users are mobile and your job will be ensuring that they have the best possible experience using Bitrefill on the app.

Relevant UX adaptations of the web-based flow will be done for the respective platforms as appropriate, as well as building out features only available on native apps, such as native login, inter-app communication, push notifications, and much more.

Our Tech Stack:

• Node/TypeScript
• React
• React Native
• MongoDB, MySQL

Your Responsibilities:

• Responsibility for the UX, functionality and speed of our app and commercial platform;
• Building and deploying new code, features and products, as well as maintaining and improving old code;
• Working closely with our Communications and Management Teams to ensure optimal prioritization and streamlined deployment;
• Being metrics driven - continuously evaluate that what we’re doing is working, helping users understand what Bitrefill is and how to best use it;
• Being able to understand and work with pre-existing codebase and navigate it independently;
• Be hungry to learn, fast to execute, do a lot with little, and care strongly about your product and users;
• Be a team player and a good friend who will contribute to our unpretentious culture.

You bring with you:

• You reside in: EU/Americas timezones
• You have a minimum of 3+ years of Mobile app development experience and 5+ years of general programming experience
• You have frontend development skills with a focus on React Native and TypeScript
• A strong digital portfolio that demonstrates the above
• Strong written and verbal communication skills

It’s a plus if you also:

• Have a big influence on the product, so a good sense of UX / design is a strong advantage;
• Crypto experience is not a requirement but a strong plus - we’ll teach you what you need to know, but you need to have a passion for the movement;
• Have an understanding of native languages (Swift, Objective-C, Java and Kotlin) and React Native Modules;
• Experience integrating third party services.

We Offer:

Bitrefill believes in the freedom to work remotely and offering our team members flexibility. We’ve built our entire business around this. Have no fear; you will never feel lonely, and you’ll have the chance to meet your coworkers in person at our biannual team retreats. Here are some reasons people choose us:

• To become part of a talented team with high ambitions for a world where crypto is money for everyday use
• A challenging workplace and a great education when it comes to everything involving cryptocurrency
• Besides a competitive salary, we offer outstanding perks and benefits to make your experience at Bitrefill the best:
  • Option to get paid in crypto - at Bitrefill we walk the walk!
  • Freedom to work from anywhere (with a reliable and strong internet connection)!
  • Computer with necessary accessories
  • Remote Workspace Allowance - Ergonomic chairs and desks are an important part of a good home office
  • Educational Allowance - 300€ per year + subscriptions on the most enrichment learning platforms in the market!
  • Biannual team retreats consist of two get-togethers every year (which means, get your passport ready!)
  • 25 paid vacation days + a number of days to spend on your own country’s national holidays!
  • Paid parental leave - here, your work adapts to your personal life, not the other way around!
  • Wellness Allowance - 600€ per year - important to get you moving when you sit all day in front of a computer!
  • Global Health Insurance - We want to give you wings so you can fly high but you have to be safe after all!

Application deadline: December 15th CET

Keep in mind that we will only start processing the applications once the deadline is over.

Disclaimer

Please be aware of potential recruitment scams. Bitrefill will never ask you for money during the recruitment process.

All our communication happens via our official/career site email addresses (@message.teamtailor.com, @bitrefill.com) and only after applying via Teamtailor Careers site.

We are hiring for one of our ecosystem projects.

We are looking for an iOS Developer to join their team, contribute to the development of high-quality applications, and grow with our expanding mobile division.

If you are passionate and enthusiastic about the web3 industry, come and join our team!

In this role, you will:

• Develop and maintain iOS applications using Swift and Objective-C, ensuring code quality and performance.
• Collaborate with cross-functional teams to design, define, and ship new features.
• Work on bug fixes, app performance improvements, and UI/UX optimizations.
• Integrate RESTful APIs and third-party libraries to enhance app functionality.
• Conduct unit testing and debugging to ensure robust and error-free applications.
• Stay up-to-date with the latest iOS development trends, tools, and frameworks.
• Participate in code reviews, offering constructive feedback and learning from peers.
• Ensure compliance with Apple’s App Store guidelines and best practices for app submission.
• Contribute to the continuous improvement of our development processes, including CI/CD pipelines and testing frameworks.

You might thrive in this role if you have:

• A bachelor's degree in computer science, software engineering, or a related field.
• 5+ years of professional experience in iOS development.
• Proficiency in Swift; familiarity with Objective-C is a plus.
• Strong understanding of iOS frameworks, including UIKit, Core Data, Core Animation, and Foundation.
• Familiarity with RESTful APIs, JSON, and web services integration.
• Experience with version control systems, particularly Git.
• Familiarity with Auto Layout, Storyboards, and creating adaptive UI designs for multiple screen sizes.
• Strong knowledge of UI/UX principles, with a focus on delivering polished and user-friendly designs.
• Strong analytical and problem-solving skills with attention to detail.
• Experience with cryptography, blockchain and smart contract is highly desirable.

#LI-REMOTE

Apply Now:

We are seeking a passionate individual with a keen interest in DeFi to join us as aFull Stack Developer. In this role, you will play a crucial part in building and shipping the future of Treehouse products, poised to revolutionize the DeFi ecosystem. The ideal candidate will possess a strong technical background, and demonstrate robust communication skills, coupled with a proactive and goal-oriented mindset.

Roles & Responsibilities

• Lead and participate in the entire development lifecycle, including full stack development, proposing architectural design, coding, testing, debugging, and deployment that address current immediate needs as well as long-term requirements, ensuring flexibility for future demands.

• Implement responsive and intuitive user interfaces that provide seamless interactions for our users.

• Develop and maintain scalable, secure, and high-performance applications and APIs using modern technologies.

• Collaborate with cross-functional teams such as Product, Business, UIUX and DevOps to gather and understand requirements, propose technical solutions, and ensure successful project delivery.

• Expedite the scaling of initiatives, effectively allocating appropriate resources to various tasks and sub-tasks, and facilitating swift progress toward objectives.

• Troubleshoot and resolve software defects and technical issues, ensuring optimal performance and reliability of our products.

• Establish standards for testing, monitoring, and alerting systems and guide organizations in achieving them.

• Management of documentation of all code and functionalities implemented;

• Stay up-to-date with the latest industry trends, technologies, and best practices to continuously improve our development processes and products.

• Establish the benchmark for engineering and/or people culture within the organization.

Requirements

• Proficient in English

• Comfortable working in remote teams

• Bachelor’s or Master’s degree in Computer Science or any related STEM (Science, Technology, Engineering, or Mathematics) fields

• At least 4+ years of experience as a full stack developer in one or more programming languages (Python, C++, Java, JavaScript, React)

• Strong full-stack development skills with strength in front-end UI work

• Backend: Experience with mainstream programming languages: Golang, C/C++, Java, Python, R

• Frontend: Experience in Javascript, Typescript build and bundle tools (like Webpack, NextJS, Parcel etc)

• Strong organizational skills, interpersonal skills and the ability to juggle conflicting requirements from different stakeholders

• Proficiency in handling scalability, security and performance

• Proven ability to operate and troubleshoot complex systems crafted with microservice architecture

• Understanding of modern packaging and distribution technologies such as PIP, Docker, kubernetes, anaconda, npm, etc.

• Exposure to dApps / DeFi / blockchain technology and development

Company Description

Treehouse Labs is dedicated to building products that empower the world to confidently navigate digital assets. We are the builders behind Treehouse Protocol, a decentralized fixed income layer (https://treehouse.finance/), and TRHX, a professional arm dedicated to digital assets research. We tackle ambitious projects that provide infrastructure, data, and standards enabling everyday investors and institutions to invest in digital assets with confidence and push the boundaries to introduce innovative products into the decentralized finance ecosystem.

Come build the future of digital assets with us at www.treehouselabs.xyz.

Apply Now:

About us:

Avara builds innovative products leveraging blockchain technologies. Avara’s suite includes the Aave Protocol, along with the native stablecoin GHO, Lens, an open social network, and Family, a design-first mobile crypto wallet. Avara’s vision is to build a people-powered internet that benefits all.

Our culture:

Having cultivated a thriving, collaborative culture, our team is kind, welcoming and passionate about what we are building. We celebrate differences and seek to develop and retain the most talented people from a diverse candidate pool from all over the world. No matter where you are based, no ghost will be left behind and we appreciate every moment we get to work and have fun together.

About the Role:

As a Senior iOS Engineer at Avara, you will lead the development of an SDK that enables seamless fiat-to-crypto money movement and high-converting card payments across Avara’s products and partner ecosystem. Together, we will build bridges, remove toll booths, and increase financial access for billions of people.

How you can make an impact:

• Oversee the end-to-end process of building and supporting an iOS SDK that will be used by some of the most demanding product teams in crypto
• Ask questions, uncover edge cases, and maintain our documentation
• Obsess over transaction processing speed and clear communication with customers – this is how we build trust
• Maintain short feedback cycles through demos

Let’s connect if:

• Minimum of 8 years in progressively more senior iOS engineering roles, with a strong preference for fintech and crypto domain experience
• Drive to make decentralized finance the backbone of fintech and contribute meaningfully to its practical application in the real world
• Advanced programming skills in Swift and UIKit, and a passion for developing phenomenal user experiences. TypeScript and React Native knowledge is a plus
• Strong background in designing consistent and convenient APIs for client adoption
• Experience building mission-critical software used by internal or external developers

Haven’t quite met all the criteria? Let’s not miss out on the chance to speak. Whilst you might not meet every single requirement, you might bring other, more exciting skills to the companies!

Equal opportunity statement:

Avara celebrates diversity and view each and every team member as a separate individual with their own unique identity. No matter your race, religion, gender, ethnicity, age, (dis)ability, sexual orientation or even the wallet you use, we welcome you at Avara.

As an equal opportunities employer, we take accountability and believe in everyone’s potential to build, create and inspire changes. With a mission to build a diverse workforce, we are proud to foster a working environment in which everyone can feel safe and valued for who they are.