At a Glance
- Tasks: Join the Baldur squad to develop secure access systems for millions of Spotify users.
- Company: Spotify, a leading music streaming platform with a focus on innovation and inclusivity.
- Benefits: Flexible work options, competitive salary, and a supportive team environment.
- Other info: Dynamic workplace culture that values diversity and offers excellent career growth opportunities.
- Why this job: Make a real impact on user experiences while working with cutting-edge technology.
- Qualifications: Proficient in C++ and eager to learn Swift; experience with security-sensitive systems is a plus.
The predicted salary is between 70000 - 90000 £ per year.
We’re looking for a Senior C++/i OS Engineer to join the Baldur squad within User Platform (UP).
Baldur owns Spotify’s Session Management and Delegated Authorization domains—the systems that enable applications to securely obtain, use, and manage access tokens for hundreds of millions of users.
In this role, you’ll help shape the technology that powers secure access across every Spotify client and third-party integration.
Your work will support engineers across Spotify building mobile and desktop experiences, platform teams, and third-party developers integrating with Spotify’s authorization platform.
You’ll collaborate across disciplines to build secure, reliable, and scalable authentication experiences that have a direct impact on millions of people every day.
What You'll Do
- Collaborate with a highly autonomous and supportive engineering squad responsible for Spotify’s delegated authorization and session management platforms.
- Design, build, and evolve critical infrastructure powering Spotify applications and partner integrations using shared C++ libraries and native Swift on i OS.
- Develop secure, reliable, and performant delegated authorization flows, including token issuance, refresh, revocation, and session lifecycle management across multiple platforms.
- Partner with client and backend engineers to integrate with core authorization services, token issuance, client registration, and token revocation.
- Improve how credentials and access tokens are securely stored and managed on-device while balancing security, reliability, and application performance.
- Contribute to the evolution of Spotify’s authorization frameworks, Spotify-specific implementations, enabling new platforms and product experiences.
- Drive technical improvements, share knowledge with teammates, and help shape the long-term technical direction of delegated authorization and session management.
Who You Are
- You have strong proficiency in C++, along with experience building native i OS applications in Swift, or you're excited to develop your expertise in Swift while applying your C++ skills.
- You have experience designing, building, or maintaining security-sensitive systems such as authorization, authentication, token management, credential storage, or related platforms.
- You bring a systems-thinking mindset and enjoy solving complex engineering challenges that span client and backend technologies.
- You have a solid understanding of software architecture, secure system design, and modern authorization protocols such as OAuth 2.0.
- You approach problems thoughtfully, with strong attention to detail and a focus on building secure, reliable, and maintainable solutions.
- You communicate clearly and enjoy collaborating with engineers across multiple teams and technical disciplines.
- You have experience working with shared cross-platform codebases and understand how native platform layers interact with common C++ libraries.
- You enjoy working on large-scale distributed systems where your contributions improve experiences for hundreds of millions of Spotify users.
- Where You'll Be
- This role is based in
- London or
Stockholm.
- We offer you the flexibility to work where you work best! There will be some in person meetings, but still allows for flexibility to work from home.
Spotify is an equal opportunity employer.
You are welcome at Spotify for who you are, no matter where you come from, what you look like, or what’s playing in your headphones.
Our platform is for everyone, and so is our workplace.
The more voices we have represented and amplified in our business, the more we will all thrive, contribute, and be forward-thinking!
So bring us your personal experience, your perspectives, and your background.
It’s in our differences that we will find the power to keep revolutionizing the way the world listens.
At Spotify, we are passionate about inclusivity and making sure our entire recruitment process is accessible to everyone.
We have ways to request reasonable accommodations during the interview process and help assist in what you need.
If you need accommodations at any stage of the application or interview process, please let us know - we’re here to support you in any way we can.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses.
These tools assist our recruitment team but do not replace human judgment.
Final hiring decisions are ultimately made by humans.
If you would like more information about how your data is processed, please contact us.
Find our AI notice here: https://lifeatspotify. com/ai-notice
Senior C++/iOS Engineer - User Platform in London employer: Spotify
At Spotify, we pride ourselves on being an exceptional employer that fosters a culture of innovation and collaboration. As a Senior Product Manager for our design systems, you'll have the opportunity to shape the future of product development while working in a vibrant city like Stockholm, known for its creativity and tech-forward mindset. We offer flexible working arrangements, a commitment to employee growth through continuous learning, and a supportive environment where your contributions directly impact the user experience across our platform.
StudySmarter Expert Advice🤫
We think this is how you could land Senior C++/iOS Engineer - User Platform in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Spotify or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Spotify.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Spotify.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Spotify that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Senior C++/iOS Engineer - User Platform in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Spotify.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Spotify and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Spotify
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Spotify uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
