Principal iOS Engineer

Adyen

This is Adyen Adyen is the financial technology platform of choice for leading companies. By providing end-to-end payments capabilities, data-driven insights, and financial products in a single global solution, Adyen helps businesses achieve their ambitions faster. With offices around the world, Adyen works with the likes of Meta, Uber, H&M, eBay, and Microsoft. To maintain our momentum, we need people to join us in finding new ways of solving our unique challenges - people like you. Team Lead, Technical Support As a Technical Support Team Lead, based in Amsterdam, you will lead a team that operates as a first point of contact for Adyen’s merchants across the globe. You will guide and develop the Technical Support team that works directly with merchants to help solve complex technical and operational questions. Day-to-day you will be working with multiple teams across Adyen, such as Operations, Engineering, Product, Account Management and Sales to provide white glove service and support.  Our team is merchant-focused, highly motivated and thrives on our shared success. You will be part of an international team with diverse backgrounds and skill sets. With Adyen being a 24/7 business we operate throughout time zones using a follow the sun principle. Our extensive payments knowledge and technical skillset is our most valuable asset both to our merchants and our internal teams.  What you’ll do * Lead a customer facing team that is a key source of knowledge on the Adyen platform and APIs, the underlying technology stack, and industry-standard integration methods and best practices * Collaborate across an international leadership team by scheduling and participating in monthly meetings, standardizing best practices and developing global alignment as we scale * Coach and mentor members of the Support team to fully prepare Technical Support Engineers to resolve technical challenges for Adyen’s merchants and grow their careers * Help define and clearly communicate objectives and key results for the Support team * Institute accountability, track team progress and success, and present results to Senior Leadership Who you are * You are a people leader who can lead and mentor a team, helping team members grow individually and as a team. You apply focus and drive change, and have between 2-6 years of experience directly managing technical support teams. * You are innovative, love dealing with ambiguity, have strong problem-solving capabilities and enjoy establishing processes and procedures * You are able to serve as an escalation point to varied technical support requests and issues * You can make quick informed decisions and prioritize requests for both internal and external stakeholders * You have strong communication skills and the ability to interact with others clearly and empathetically * Payments or Fintech experience is not required, but you must be able to communicate your enthusiasm for the space and have a tech background or strong technical affinity * You must be willing to travel occasionally, both domestically and internationally where required Our Diversity, Equity and Inclusion commitments  Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you’re from, we welcome you to be your true self at Adyen.  Studies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application What’s next? Ensuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here. Don’t be afraid to let us know if you need more flexibility. Please, note that this role is a full-time position in Amsterdam, with a hybrid work setup (3 days per week in the office). It will require a relocation in case you live outside of the Netherlands.

Trainline

About us We are champions of rail, inspired to build a greener, more sustainable future of travel. Trainline enables millions of travellers to find and book the best value tickets across carriers, fares, and journey options through our highly rated mobile app, website, and B2B partner channels.  Great journeys start with Trainline 🚄  Now Europe’s number 1 downloaded rail app, with over 135 million monthly visits and £6.3 billion in annual ticket sales, we collaborate with 270+ rail and coach companies in over 40 countries. We want to create a world where travel is as simple, seamless, eco-friendly and affordable as it should be.  Today, we're a FTSE 250 company driven by our incredible team of over 1,000 Trainliners from 50+ nationalities, based across London, Paris, Barcelona, Milan, Edinburgh and Madrid. With our focus on growth in the UK and Europe, now is the perfect time to join us on this high-speed journey.  Introducing the Trainline App Platform Team 👋 The App Platform team provides the foundations that enable our mobile engineering teams to build, evolve and deliver exceptional customer experiences at scale. Working across iOS and Android, the team develops the shared capabilities, tooling, frameworks and engineering practices that help product teams move faster while maintaining high standards of quality, performance and reliability. As our Senior Principal Engineer (iOS), you will play a pivotal role in shaping the future of iOS engineering at Trainline. While embedded within the App Platform team, your influence will extend across the wider technology organisation as you define the long-term technical strategy for iOS alongside peers across Android, Web and Architecture. You'll establish a cohesive cross-platform architectural vision, balancing platform-specific innovation with opportunities to simplify solutions, increase consistency and avoid unnecessary duplication. This is a highly influential individual contributor role where you'll create leverage through technical leadership, partnering with engineers, architects, product, design and senior leaders to solve complex challenges, shape engineering strategy and raise the technical bar across the organisation. In this role as the Senior Principal Engineer (iOS), you will...🚄 * Define and own the long-term technical strategy for iOS, ensuring it supports Trainline's business goals while aligning with the wider architectural vision across mobile, web and platform engineering. * Own and evolve engineering standards, reusable patterns and best practices for iOS across Trainline, creating greater consistency, improving developer experience and enabling teams to build high-quality software more effectively. * Lead organisation-wide technical modernisation programmes that simplify our engineering landscape, improve maintainability and scalability, and enable product teams to deliver faster with confidence. * Partner closely with Principal Engineers, Architects and senior engineering leaders to establish a cohesive cross-platform strategy, identifying opportunities to share capabilities and architectural approaches while making pragmatic decisions about where platforms should remain distinct. * Champion technical excellence through modular, testable and maintainable software design, helping engineering teams adopt practices that improve quality, reliability, performance and long-term sustainability. * Evaluate emerging technologies and AI-enabled engineering practices, identifying where they create meaningful value for developers and customers while balancing innovation with security, operational cost and long-term sustainability. * Influence technical direction across the engineering organisation through clear communication, compelling technical proposals and trusted relationships with engineers, architects, product, design and executive stakeholders. * Mentor and develop senior engineers and members of the Principal Engineering community, while representing Trainline within the wider engineering community through knowledge sharing, technical leadership and community engagement. We'd love to hear from you if you have...🔍 * Significant experience defining technical strategy for large-scale iOS platforms or products, with a track record of delivering architectural improvements that have created lasting impact across multiple teams or organisations. * Deep expertise in modern iOS development, alongside strong experience designing modular, testable and maintainable software that balances scalability, reliability, performance and long-term maintainability. * Experience establishing engineering standards, technical patterns and best practices, with the ability to influence their adoption across an organisation through technical credibility and collaboration. * A proven ability to create alignment across engineering disciplines, working closely with architects, product, design and technology leaders to develop shared technical direction and deliver business outcomes. * Strong judgement when evaluating emerging technologies, including AI-enabled engineering capabilities, with the ability to identify where they can create genuine value while balancing cost, risk and long-term sustainability. * Excellent communication and influencing skills, with the ability to adapt your style to engage audiences ranging from hands-on engineers to senior and executive stakeholders. * Have an active presence within the wider iOS engineering community through speaking, mentoring, open-source contributions or community engagement, although this is not essential. More information: Enjoy fantastic perks like private healthcare & dental insurance, a generous work from abroad policy, 2-for-1 share purchase plans, an EV Scheme to further reduce carbon emissions, extra festive time off, and excellent family-friendly benefits.  We prioritise career growth with clear career paths, transparent pay bands, personal learning budgets, and regular learning days. Jump on board and supercharge your career from day one!  We're operating a hybrid model and ask that Trainliners work from the office a minimum of 60% of their time over a 12-week period. We also have a 28-day Work from Abroad policy. Our values represent the things that matter most to us and what we live and breathe everyday, in everything we do:  * 💭 Think Big - We're building the future of rail  * ✔️ Own It - We focus on every customer, partner and journey  * 🤝  Travel Together - We're one team  * ♻️ Do Good - We make a positive impact  We know that having a diverse team makes us better and helps us succeed. And we mean all forms of diversity - gender, ethnicity, sexuality, disability, nationality and diversity of thought. That's why we're committed to creating inclusive places to work, where everyone belongs and differences are valued and celebrated. Interested in finding out more about what it's like to work at Trainline? Why not check us out on LinkedIn, Instagram and Glassdoor!

Reddit

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 126 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com. The iOS Platform team sets the technical direction for iOS at Reddit. Our customers are primarily other engineers. It’s our job to help improve developer efficiency by providing libraries/APIs/frameworks, monitoring performance, building shared components, improving build tools, etc. In the codebase, we own the core components of the app such as the networking and caching stack. We set the direction in which the codebase builds by defining which design patterns and technologies to employ at Reddit. This role will enable us to architect our iOS app to scale for the next 100M+ DAUs. They will help establish the right standards in iOS development and will help in improving the overall iOS development experience at Reddit. In addition, they will mentor senior iOS engineers across Reddit and will be seen as a go-to person for any challenges on iOS App architecture. As a Principal Engineer in the iOS Platform team, you will be responsible for designing a solid foundation for our iOS application development. You will have the company-wide scope, impact, and responsibility in shaping the future of iOS development at Reddit. You will champion the technology selection, best practices in Reddit’s iOS application development. In addition, you will act as an Architect for the iOS application at Reddit. What you’ll do * Own the architecture of Reddit’s iOS Mobile App and make it scale to the next 100M+ DAUs. Propose ideas/solutions to reach our vision of “making Reddit’s Mobile Apps best-in-class.” * Identify the gaps in our current iOS App Architecture, and lead redesign of the iOS platform to improve modularity, performance, and quality. * Define, measure, and execute on key user-facing performance goals, specifically minimizing App Not Responding (ANR) rate, reducing app launch time (Time to Interactive/TTFF), and eliminating slow/dropped frames. * Improve observability and harden data quality for all key performance areas, including establishing reliable telemetry, monitoring, and guardrails for ANR rate, app launch time, and slow/dropped frames. * Drive a company-wide culture of performance, ensuring that every iOS engineer at Reddit has the tools and skills needed to own the performance of their product surfaces. * Mentor iOS developers across the company. * Be the go-to person for developers on complex problems in iOS development. What we expect from you * Deep experience-based understanding of how to build mobile applications at scale. * You are a strategic thinker who thrives on developing a long-term technical foundation and has a passion for developing scalable, well-designed software that improves people’s lives globally. * 10+ years of Software development experience with at least 5+ years in designing/developing iOS applications.  * Experience in influencing larger (200+ engineers) organizations on technical direction/best practices related to iOS * Experience with modern iOS development frameworks such as Swift UI and structured Concurrency. * Passion for developing scalable, well-designed software that improves people’s lives globally.  * Experience working with cross-functional teams such as design, product, data teams to deliver great user experiences. * Bachelor's degree or higher in Computer Science or a related field, or equivalent technical expertise Benefits: * Comprehensive Healthcare Benefits and Income Replacement Programs * 401k with Employer Match * Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support * Family Planning Support * Gender-Affirming Care * Mental Health & Coaching Benefits * Flexible Vacation & Paid Volunteer Time Off * Generous Paid Parental Leave    #LI-Remote   Pay Transparency: This job posting may span more than one career level. In addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit https://www.redditinc.com/careers/. To provide greater transparency to candidates, we share base salary ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function, level, and country location, benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below. The base salary range for this position is: $232,500—$325,500 USD In select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI). You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews. During the interview, we will collect the following categories of personal information: Identifiers, Professional and Employment-Related Information, Sensory Information (audio/video recording), and any other categories of personal information you choose to share with us. We will use this information to evaluate your application for employment or an independent contractor role, as applicable.  We will not sell your personal information or disclose it to any third party for their marketing purposes.  We will delete any recording of your interview promptly after making a hiring decision.  For more information about how we will handle your personal information, including our retention of it, please refer to our Candidate Privacy Policy for Potential Employees and Contractors. Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve.  Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.