senior android software engineer

wolt

<div><div><h2 class="jobSectionHeader">About Wolt</h2>

At Wolt, we create technology that brings joy, simplicity and earnings to the neighborhoods of the world. In 2014 we started with delivery of restaurant food. Now we're building the delivery of (almost) everything and you'll find us in over 500 cities in 30 countries around the world. In 2022 we joined forces with DoorDash and together we keep on dreaming big and expanding across the globe. 
 
Working at Wolt isn't always easy, but it's definitely exciting. Here you'll learn more, build more, and ship more than in most other companies. You'll be challenged a lot, but also have a lot of fun on the way. So, if you're a self-starter with drive and entrepreneurial spirit, this could be the ride of your life.</div> 


At Wolt, we're building products that millions of people rely on every day. Behind every great customer experience is a solid engineering foundation, and that's where you come in.

We're looking for experienced Android engineers who enjoy solving problems beyond feature development. If you're excited about building scalable mobile foundations, improving developer experience, raising engineering quality, and helping other engineers build better software, we'd love to talk.

We're also embracing a new way of building software. AI is becoming a core part of how we engineer products, and we're looking for people who are curious about how AI can improve software development, not just generate code.
<h2 class="jobSectionHeader">
What you'll be doing</h2>

As a Senior Android Engineer, you'll work on the foundations that enable product teams to deliver high-quality mobile experiences at scale.

Depending on your background and interests, your work may include:
<ul>
<li>Building and evolving Android architecture, shared libraries and platform capabilities</li>
<li>Improving developer experience through tooling, automation and better engineering workflows</li>
<li>Driving improvements in app performance, reliability and observability</li>
<li>Designing scalable systems that help teams move faster without compromising quality</li>
<li>Working closely with engineers across multiple product teams to solve shared technical challenges</li>
<li>Leading technical initiatives and helping raise the engineering bar across the organization</li>
<li>Exploring how AI can improve engineering workflows and developer productivity</li>
<li>Building reliable guardrails and tooling around AI-assisted software development</li>
</ul>
This role is ideal for someone who enjoys making other engineers more productive, thinking about long-term technical health, and solving engineering problems that have impact across multiple teams.
<h2 class="jobSectionHeader">
Our humble expectations</h2>

We're looking for engineers who have experience with most of the following:
<ul>
<li>Strong experience building Android applications with Kotlin</li>
<li>Experience designing scalable mobile architectures and shared platform components</li>
<li>Good understanding of the Android ecosystem and modern development practices</li>
<li>Experience with CI/CD, automation or developer tooling</li>
<li>Strong software design and system thinking</li>
<li>Experience collaborating across engineering teams and influencing technical decisions</li>
<li>Comfortable mentoring other engineers and driving technical initiatives</li>
<li>Excellent communication and stakeholder management skills</li>
</ul>
We'd especially love to meet engineers who:
<ul>
<li>Use AI regularly as part of their engineering workflow</li>
<li>Have experimented with modern AI development tools such as Claude Code, Cursor, Gemini, Codex, Copilot or similar</li>
<li>Are curious about agentic development workflows and AI-assisted software engineering</li>
<li>Know when to trust AI, when to challenge it, and how to build reliable engineering workflows around it</li>
</ul>
You'll stand out if you've also worked with areas such as Kotlin Multiplatform (KMP), server-driven UI, experimentation frameworks, mobile observability, or large-scale consumer mobile platforms.

This role can be based in one of our tech hubs in Helsinki or Stockholm.
<div><h2 class="jobSectionHeader">
Our Commitment to Diversity and Inclusion</h2>

We're committed to growing and empowering a more inclusive community within our company, industry, and cities. That's why we hire and cultivate diverse teams of people from all backgrounds, experiences, and perspectives. We believe that true innovation happens when everyone has room at the table and the tools, resources, and opportunity to excel.</div></div>

Senior Android Engineer

<div>Role description 
Lead Android Engineer &ndash; Mobile Platform (Kotlin / Android SDK)

Leeds (Hybrid &ndash; 2&ndash;3 days onsite) 
Start: ASAP 
Employment Type: Fixed Term Employment/ Contract Inside IR35 


About the Role

We are looking for a Lead Android Engineer to drive technical design and delivery across our mobile platform.

This is a hands-on technical leadership role, where you will take ownership of Android architecture, lead proof-of-concept (POC) initiatives, and build high-performance, secure, and scalable mobile applications.

You will work closely with engineering teams, product stakeholders, and architects to define best practices and deliver robust mobile solutions that support business-critical use cases. 


What You&rsquo;ll Be Doing
<ul>
<li>Lead Android technical design and architecture, ensuring scalable and maintainable solutions</li>
<li>Drive POC development and innovation initiatives, validating new approaches and technologies</li>
<li>Develop and enhance high-performance Android applications using modern frameworks</li>
<li>Define and implement best practices in security, performance, and code quality</li>
<li>Work closely with cross-functional teams to deliver end-to-end mobile solutions</li>
<li>Collaborate with architects and technical leaders to align with enterprise engineering standards</li>
<li>Troubleshoot and optimise applications for performance, scalability, and user experience</li>
<li>Support continuous improvement through code reviews, mentoring, and technical guidance</li></ul> 


What You&rsquo;ll Bring
<ul>
<li>Minimum of 5 years of experience in Android development</li>
<li>Strong hands-on expertise with:
<ul><li>Android SDK</li>
<li>Kotlin (preferred) / Java</li>
</ul></li><li>Solid understanding of:
<ul><li>Mobile architecture patterns (MVVM, Clean Architecture)</li>
<li>Application security and performance optimisation</li>
<li>API integration and mobile backend interaction</li>
</ul></li><li>Experience leading technical design and POC implementation</li>
<li>Strong problem-solving skills and ability to work in agile delivery environments</li>
<li>Excellent communication skills with the ability to engage technical and non-technical stakeholders</li></ul> 


Apply Now

If you&rsquo;re passionate about building high-quality mobile applications and leading engineering excellence, we&rsquo;d love to hear from you.

#UST 
Skills 
software development,android sdk,technical design,software development kit, 
About UST 
UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world&rsquo;s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients&rsquo; organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact&mdash;touching billions of lives in the process.</div>

Lead Android Engineer – Mobile Platform (Kotlin / Android SDK) (Lead I - Software Engineering)

Speechify

<div>The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify's text-to-speech products to turn whatever they're reading &ndash; PDFs, books, Google Docs, news articles, websites &ndash; into audio, so they can read faster, read more, and remember more. Speechify's text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its Design award winner for inclusivity for 2025.

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting &ndash; Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

With the growth of our Android app, being the most used text-to-speech app in the Play Store, we find the need for a Senior Android Engineer to help us support the new user base as well as work on new and exciting projects to push us forward.
This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, passionate about making product decisions, and has experience building great user experiences that delight users.

We are a flat organization that allows anyone to become a leader by showing excellent technical skills and delivering results consistently and fast. Work ethic, solid communication skills, and obsession with winning are paramount.

Our interview process involves several technical interviews and we aim to complete them within 1 week.

What You'll Do
<ul>
<li>Owning major features and working closely with our design team - take ownership of features inside the app and become responsible of delivering high quality features</li>
<li>Shape the future of our Android team</li>
<li>Own, maintain and improve reliability metrics for key features</li>
<li>Participate in discussions across different teams - Product, Design, Engineering</li>
<li>Review pull requests, and support other teammates</li>
<li>Handle critical issues or cope with unexpected challenges</li>
<li>Take ownership of feature releases and provide nightly builds for the QA team</li>
</ul>
An Ideal Candidate Should Have
<ul>
<li>5+ years of software engineering experience</li>
<li>Familiarity with Android components</li>
<li>Experience building or contributing to at least one Android app</li>
<li>Product design intuition and user empathy</li>
<li>Drive to push the boundaries of Android UI/UX</li>
<li>Understanding of the importance of tests and how to approach writing tests</li>
<li>Self-drive to improve the app and codebase above and beyond what's outlined in the spec</li>
<li>Rock solid experience with Kotlin, Kotlin Coroutines, Kotlin Flow, Dagger 2, MVVM, Clean Architecture, Background Services, Music Player Service, Android Animations, Jetpack Navigation, JUnit tests</li>
<li>Excellent communication skills</li>
<li>User oriented problem solving approach</li>
<li>Driven with continuous feedback from leaders</li>
</ul>
Bonus:
<ul>
<li>Experience building, maintaining, or otherwise contributing to open source projects in Android</li>
<li>Experience with iOS, Web or NodeJS</li>
</ul>
Technologies we use:
<ul>
<li>Kotlin</li>
<li>Kotlin Coroutines</li>
<li>Kotlin Flow</li>
<li>Jetpack Navigation</li>
<li>Dagger 2</li>
<li>Room</li>
<li>Custom Views, Canvas &amp; Paint</li>
<li>Jetpack Compose</li>
<li>JUnit</li>
</ul>
What We offer:
<ul>
<li>A fast-growing environment where you can help shape the company and product.</li>
<li>An entrepreneurial-minded team that supports risk, intuition, and hustle.</li>
<li>A hands-off management approach so you can focus and do your best work.</li>
<li>An opportunity to make a big impact in a transformative industry.</li>
<li>Competitive salaries, a friendly and laid-back atmosphere, and a commitment to building a great asynchronous culture.</li>
<li>Opportunity to work on a life-changing product that millions of people use.</li>
<li>Build products that directly impact and support people with learning differences like dyslexia, ADD, low vision, concussions, autism, and more.</li>
<li>Work in one of the fastest growing sectors of tech, the intersection of artificial intelligence and audio.</li>
</ul>
Think you're a good fit for this job?

Tell us more about yourself and why you're interested in the role when you apply.
 
And don't forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit?

Refer them!

Speechify is committed to a diverse and inclusive workplace.

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.</div>

Tech Lead, Android Core Product - Bristol, United Kingdom

Tech Lead, Android Core Product - Oxford, United Kingdom

Tech Lead, Android Core Product - London, United Kingdom

idealo internet

<div>As a Senior Android Engineer at idealo, you drive the evolution of our award-winning e-commerce apps. We enable millions of users to do price comparison and good buying decisions on their mobile phone. We are a fully integrated and autonomous team that balances using proven technologies with cutting edge experimentation, delivering best in class user experiences and impact on idealo&rsquo;s mission. We own our code and decide on the technical direction of our products. And we need strong support to grow further.<h3 class="jobSectionHeader">
About your new role</h3><ul><li>
At idealo you are part of a team of highly motivated Android developers that strive for excellence in product and software development.</li><li>
You work closely with product owners, user experience designers, data analysts and an engineering team for our backend for frontend (BFF).</li><li>
We work as an agile team where you will be involved in product development from ideation to operating a product at scale.</li><li>
You&rsquo;re routinely working with modern technologies and practices on a high quality Kotlin codebase, allowing us to innovate fast and efficiently.</li><li>
A refined user interface is important to you, and you work closely with your UX colleagues to make features even better during implementation.</li><li>
You apply pragmatic solutions, find the right trade-offs, and seek to reduce complexity to help your team to deliver and increase leverage for the organisation.</li></ul><h3 class="jobSectionHeader"> 
Skills &amp; Requirements</h3><ul><li>
You have a deep understanding of Android development and extensive experience working with Kotlin and Kotlin coroutines.</li><li>
Experience with concepts like MVVM, Clean Code and SOLID is a must, and you know how to apply software design and architecture patterns.</li><li>
Ideally, you are experienced with implementing GraphQL APIs.</li><li>
You are passionate about writing readable, reliable, maintainable, and testable code.</li><li>
You are an open and communicative team player, curious about solving interesting and sometimes complex problems.</li><li>
You are a self-sufficient and well organised engineer, and you can expect the same from the team around you.</li></ul><h3 class="jobSectionHeader">
At idealo you can expect</h3><ul><li>
You want to further your education? We take your personal development goals seriously and, in addition to our idealo Learning Hub, eLearning offerings (e.g., Udemy), coaching &amp; mediation, we also offer you the opportunity to benefit individually from additional learning and development budget.</li><li>
And what about the office? Our office in the heart of Berlin offers free organic breakfast, excellent free lunch (vegan and vegetarian), as well as free coffee, lemonades and after-work beer, in addition to the &quot;standard foosball&quot;. It also has a fabulous rooftop terrace with view of the whole of berlin where you can network with colleagues from our group of companies.</li><li>
In need of additional support in any areas of your life? We offer free counseling and support in all areas of life (professional, private, family, health, etc.) in cooperation with the pme-Familienservice.</li><li>
You want full flexibility on your way to work and beyond? No problem with a job bike or Deutschlandticket - and it's environmentally friendly, too!</li><li>
Want to keep yourself fit? We offer many different fitness and sports options, such as an Urban Sports or Gympass membership, to suit your personal needs.</li><li>
And what else is there? Of course, success must be celebrated! In addition to team events, you can also expect big company events and other moments of organized connection with others in the company and your team throughout the year!</li></ul>
#LI-AJ1</div>

Senior Android Engineer - Kotlin (m|w|d)

<div>The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify's text-to-speech products to turn whatever they're reading &ndash; PDFs, books, Google Docs, news articles, websites &ndash; into audio, so they can read faster, read more, and remember more. Speechify's text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its Design award winner for inclusivity for 2025.

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting &ndash; Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

With the growth of our Android app, being the most used text-to-speech app in the Play Store, we find the need for a Senior Android Engineer to help us support the new user base as well as work on new and exciting projects to push us forward.
This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, passionate about making product decisions, and has experience building great user experiences that delight users.

We are a flat organization that allows anyone to become a leader by showing excellent technical skills and delivering results consistently and fast. Work ethic, solid communication skills, and obsession with winning are paramount.

Our interview process involves several technical interviews and we aim to complete them within 1 week.

What You'll Do
<ul>
<li>Owning major features and working closely with our design team - take ownership of features inside the app and become responsible of delivering high quality features</li>
<li>Shape the future of our Android team</li>
<li>Own, maintain and improve reliability metrics for key features</li>
<li>Participate in discussions across different teams - Product, Design, Engineering</li>
<li>Review pull requests, and support other teammates</li>
<li>Handle critical issues or cope with unexpected challenges</li>
<li>Take ownership of feature releases and provide nightly builds for the QA team</li>
</ul>
An Ideal Candidate Should Have
<ul>
<li>5+ years of software engineering experience</li>
<li>Familiarity with Android components</li>
<li>Experience building or contributing to at least one Android app</li>
<li>Product design intuition and user empathy</li>
<li>Drive to push the boundaries of Android UI/UX</li>
<li>Understanding of the importance of tests and how to approach writing tests</li>
<li>Self-drive to improve the app and codebase above and beyond what's outlined in the spec</li>
<li>Rock solid experience with Kotlin, Kotlin Coroutines, Kotlin Flow, Dagger 2, MVVM, Clean Architecture, Background Services, Music Player Service, Android Animations, Jetpack Navigation, JUnit tests</li>
<li>Excellent communication skills</li>
<li>User oriented problem solving approach</li>
<li>Driven with continuous feedback from leaders</li>
</ul>
Bonus:
<ul>
<li>Experience building, maintaining, or otherwise contributing to open source projects in Android</li>
<li>Experience with iOS, Web or NodeJS</li>
</ul>
Technologies we use:
<ul>
<li>Kotlin</li>
<li>Kotlin Coroutines</li>
<li>Kotlin Flow</li>
<li>Jetpack Navigation</li>
<li>Dagger 2</li>
<li>Room</li>
<li>Custom Views, Canvas &amp; Paint</li>
<li>Jetpack Compose</li>
<li>JUnit</li>
</ul>
What We offer:
<ul>
<li>A fast-growing environment where you can help shape the company and product.</li>
<li>An entrepreneurial-minded team that supports risk, intuition, and hustle.</li>
<li>A hands-off management approach so you can focus and do your best work.</li>
<li>An opportunity to make a big impact in a transformative industry.</li>
<li>Competitive salaries, a friendly and laid-back atmosphere, and a commitment to building a great asynchronous culture.</li>
<li>Opportunity to work on a life-changing product that millions of people use.</li>
<li>Build products that directly impact and support people with learning differences like dyslexia, ADD, low vision, concussions, autism, and more.</li>
<li>Work in one of the fastest growing sectors of tech, the intersection of artificial intelligence and audio.</li>
</ul>
The Netherlands Based Salary range for this role is: 30,000-120,000 USD/Year + Bonus + Stock depending on experience.

Think you're a good fit for this job?

Tell us more about yourself and why you're interested in the role when you apply.
 
And don't forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit?

Refer them!

Speechify is committed to a diverse and inclusive workplace.

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.</div>

Tech Lead, Android Core Product - The Hague, Netherlands

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