Jobs for Developers

Senior Mobile Engineer

TwilioRemote; PolandFull-time$120k - $290k*Sep 30, 2022

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See yourself at Twilio

Join the team as our next Senior Mobile developer

Who we are & why we’re hiring

Twilio powers real-time business communications and data solutions that help companies and developers worldwide build better applications and customer experiences.

Although we're headquartered in San Francisco, we have presence throughout South America, Europe, Asia and Australia. We're on a journey to becoming a globally anti-racist, anti-oppressive, anti-bias company that actively opposes racism and all forms of oppression and bias. At Twilio, we support diversity, equity & inclusion wherever we do business. We employ thousands of Twilions worldwide, and we're looking for more builders, creators, and visionaries to help fuel our growth momentum.

About the job

This position is needed to help build up the core platform for one of the most strategically important products in Twilio. Our team is responsible for a messaging platform that seamlessly connects SMS, Whatsapp, email and several other channels, for solutions both internal and external to Twilio. With our set of SDKs - iOS and Android - being our main entry point for customer traffic, as well as playing a vital part in our onboarding experience, it is necessary to continuously evolve and enrich them with brand new features.  


In this role, you’ll:

  • Work alongside back-end teams to design and implement new features, following the priorities set forth by our Product teams. 

  • Review and identify improvement opportunities in our current codebase, proposing and discussing them with Tech Leads, Architecture and the wider team. 

  • Cultivate an atmosphere of quality by championing testing standard methodologies and engineering efficiency. 

  • Grow your team, coaching less experienced team members to achieve their potential as engineers. 

  • Contribute to design and feature ideas and betterments to the backlog.

  • Adopt engineering best practices to deliver secure, maintainable and scalable software, inspiring your team members to follow the same path.


Not all applicants will have skills that match a job description exactly. Twilio values diverse experiences in other industries, and we encourage everyone who meets the required qualifications to apply. While having “desired” qualifications make for a strong candidate, we encourage applicants with alternative experiences to also apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!


  • Experience building, maintaining and evolving apps and/or libraries in mobile technologies.

  • Strong fundamental knowledge of software development and best practices.

  • Oral and written communication skills: be prepared to frequently propose and discuss ideas and implementation with your teammates, as well as involving other stakeholders in Twilio - we’re one single team, no one flies solo! 

  • Curious mindset - we’re not looking for someone with all the answers, but rather someone who is prepared to grow with us. 

  • Bachelor's degree in Computer Science, Engineering or a related field, or equivalent training, fellowship, or work experience.  


  • Experience building client side SDKs is a plus.

  • Knowledge of package manager solutions (examples: CocoaPods, SPM, Carthage). 

  • No stranger to Docker and containerisation in general. 

  • Experience participating in development for large scale services.


This role will be remote in Poland

What We Offer

There are many benefits to working at Twilio, including, in addition to competitive pay, things like generous time-off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

Twilio thinks big. Do you?

We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values — something we call Twilio Magic. Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts.

So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now!

If this role isn't what you're looking for, please consider other open positions.

Twilio is proud to be an equal opportunity employer. Twilio is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Additionally, Twilio participates in the E-Verify program in certain locations, as required by law.

Twilio is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please contact us at [email protected].

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