Senior iOS Engineer at Affinity | Barcelona

Join Affinity as a Senior iOS Engineer, where you'll be at the forefront of developing innovative iOS applications that enhance user experiences. Collaborate with cross-functional teams to design, build, and maintain high-performance mobile applications. Leverage your expertise in Swift and Objective-C to deliver robust solutions that meet the needs of our users.

About the Role Affinity is hiring a Senior Software Engineer in Barcelona. This position focuses on designing, building, and maintaining software products that support the company's goals. The team values engineers who enjoy solving complex problems and contributing to ongoing projects.

The Role: Join our dynamic support team at Affinity as a Technical Support Engineer. This role is perfect for someone with a blend of technical prowess and exceptional communication skills, committed to providing outstanding support for our B2B SaaS CRM platform. You will serve as an essential link between our customers and engineering teams, tackling intricate technical challenges while contributing to the ongoing enhancement of our support organization. What You Will Be Doing: Handle customer inquiries and resolve technical issues promptly through video calls, emails, or chat. Troubleshoot software and API-related problems, guiding customers through technical resolutions. Engage with webhooks, APIs, and various integrations to ensure seamless functionality. Assist customers with setting up or managing Single Sign-On (SSO) integrations. Collaborate with engineering teams to address complex customer challenges and escalate issues as needed. Document customer interactions and technical issues to enhance our knowledge base and internal resources. Participate in periodic on-call shifts as required.

About UsAt Trainline, we are passionate advocates for rail travel, dedicated to crafting a more sustainable future for travel. Our platform empowers millions of travelers to discover and book the most economical tickets across various carriers, fares, and travel options via our highly-rated mobile application, website, and B2B partner channels.With over 125 million monthly visits and £5.9 billion in annual ticket sales, we proudly hold the title of Europe’s most downloaded rail app, collaborating with over 270 rail and coach companies across 40 countries. Our mission is to simplify travel, making it seamless, eco-friendly, and accessible for everyone.As a FTSE 250 company, we are powered by a diverse team of over 1,000 Trainliners from more than 50 nationalities, operating from our offices in London, Paris, Barcelona, Milan, Edinburgh, and Madrid. With our ambitious growth plans in the UK and Europe, this is the ideal moment to join us on this exciting journey.Join the Mobile Team at Trainline Our Mobile Engineers are the architects behind the Trainline app, your ultimate travel companion. They are responsible for everything from creating a smooth booking experience to developing the buy-flow that gets travelers on their way. Engineers work in cross-functional squads, including iOS, Android, Web, and Backend developers, each led by an Engineering Manager and closely partnered with a Product Manager. These squads align with thematic company objectives that guide their product roadmap.As a Senior iOS Engineer at Trainline, you will...Implement new functionalities and features using the best available tools and techniques.Ensure quality is central to all team activities.Continuously enhance the codebase.Prioritize our customers in every decision.Identify and address blockers, inefficiencies, and waste proactively.Make substantial contributions to technical decision-making.Mentor and coach junior team members.Take complete ownership of the development lifecycle, from code to production, including deployment and monitoring.

About UsAt Trainline, we are pioneers in transforming rail travel, driven by our commitment to creating a sustainable future. Our platform empowers millions of travelers to discover and book the best ticket options across various carriers through our award-winning mobile app, website, and B2B partner channels.As Europe’s leading rail app with over 125 million monthly visits and £5.9 billion in annual ticket sales, we collaborate with more than 270 rail and coach companies across 40 countries. We're on a mission to make travel simple, seamless, eco-friendly, and budget-friendly.With a workforce of over 1,000 diverse team members from 50+ nationalities, our offices span London, Paris, Barcelona, Milan, Edinburgh, and Madrid. As we focus on expanding our reach in the UK and Europe, now is the ideal moment to join us on this exciting journey.Join Our Mobile Team at TrainlineOur Mobile Engineers are the creative minds behind the Trainline app, enhancing the travel experience right in your pocket. They are responsible for the entire booking journey, ensuring that users have a smooth path to their travel plans. Our engineers work in cross-functional squads that include iOS, Android, Web, and Backend specialists, each guided by an Engineering Manager and closely partnered with a Product Manager. These squads align with broader company themes that shape our product roadmap.As an iOS Engineer at Trainline, you will...Develop new functionalities and features utilizing cutting-edge tools and techniques.Prioritize quality in all team deliverables.Continuously enhance the codebase.Focus on customer needs as the highest priority.Identify and proactively eliminate obstacles and inefficiencies.Make impactful contributions to technical decision-making.Mentor and coach team members.Oversee the entire development lifecycle from coding to production, including deployment and monitoring.

Join Our TeamAt Perk, we are at the forefront of transforming travel and spend management through innovative solutions. Our platform is designed to streamline the cumbersome manual processes that often hinder productivity, offering automated tools for travel bookings, expense management, and invoice processing.With over 10,000 global clients, including industry leaders like Wise, On Running, and Breitling, we are addressing a critical challenge: the staggering 7 hours of lost productivity per employee each week, a problem estimated to cost businesses $1.7 trillion.Founded in 2015, Perk has rapidly expanded to a diverse team of over 1,800 professionals across 12 locations worldwide, with our headquarters situated in London and Boston. Our mission is to enhance how businesses operate and improve employee satisfaction through simplicity and innovation.We are deeply committed to our core values, which include ownership, delivering exceptional experiences, and fostering teamwork. At Perk, we believe in nurturing curiosity, purpose, and the right mindset to unlock the full potential of our employees. Our talent acquisition team comprises some of the brightest minds in the travel and SaaS sectors, representing more than 70 countries. If you’re eager to make a significant impact and redefine how millions experience work, we want you to be part of our journey.To learn more about us, visit www.perk.com.Your RoleWe are seeking a skilled iOS Engineer who will take ownership of product features from conception to deployment and beyond. Your work will have a substantial impact on millions of users, and you will be encouraged to share your expertise while actively engaging in technical discussions with the team. If you thrive in a dynamic environment and are passionate about driving change, this position is tailored for you.You will be an integral part of a cross-functional mobile team dedicated to enhancing our application, making it an indispensable travel companion for self-service business travelers.

airapps is looking for an iOS Engineer based in Barcelona to help shape and build mobile applications. This position centers on designing new features and refining user experiences across a range of apps. What you will do Develop and maintain iOS applications, taking projects from concept through release Work closely with teammates to tackle technical challenges Offer ideas for new features and ways to improve existing apps Requirements Experience building iOS applications Ability to work onsite in Barcelona Comfort collaborating on complex problems as part of a team

Join Affinity as a Software Engineer II, where you will contribute to innovative projects in a dynamic tech environment. You will collaborate with cross-functional teams to design, develop, and implement cutting-edge software solutions. This role is perfect for individuals who are passionate about technology and eager to take their skills to the next level.

About the Role Delivery Hero SE is looking for a Senior iOS Engineer to help build and maintain iOS applications that support our delivery services. This position is based in Barcelona. What You Will Do Develop and maintain iOS apps using Swift and Objective-C Work closely with teams across engineering, design, and product to deliver new features Improve app performance and reliability Contribute to a seamless user experience for our customers What We Look For Strong experience with Swift and Objective-C Background in building and shipping iOS applications Ability to collaborate with colleagues from different disciplines Interest in mobile technology and delivering quality products

Role Overview Delivery Hero is hiring an iOS Engineer in Barcelona. This role focuses on building and improving mobile applications that support our food delivery services. The team values creative thinking and technical skill to make our app experience better for customers. What You Will Do Develop new features and maintain existing ones for our iOS app Work with colleagues to find solutions that improve app performance and reliability Contribute ideas to enhance the user experience About Delivery Hero Delivery Hero is a leader in the online food delivery industry. Our teams work to provide reliable, user-friendly services to millions of customers worldwide.

Role Overview Speechify is hiring a Software Engineer for its iOS Core Product team in Barcelona, Spain. This position centers on building and refining features that shape the experience of Speechify users on iOS devices. What You Will Do Develop and enhance core product features for iOS applications Work with cross-functional teams to deliver reliable, high-quality software Focus on performance and stability to support a smooth user experience Location This role is based in Barcelona, Spain.

Role Overview deliveryhero is hiring a Staff iOS Engineer in Barcelona. This role focuses on building and maintaining iOS applications that directly improve the user experience. The work centers on delivering high performance and responsive features to support the front-end. What You Will Do Design, develop, and maintain iOS platforms for deliveryhero’s products Collaborate with engineers, designers, and product managers to define and ship new features Identify performance bottlenecks and resolve bugs to ensure a smooth user experience Who We’re Looking For Experienced in iOS development and passionate about mobile technologies Comfortable working with cross-functional teams Ready to make a meaningful impact on widely used applications Interested candidates are encouraged to apply and help shape the future of deliveryhero’s mobile platforms.

Join the dynamic team at TransPerfect, a leading company embracing a startup culture, as we seek innovative and entrepreneurial minds for our Mobile Engineer role. In this full-time hybrid position, you'll play a pivotal role in designing and developing exceptional user experiences across iOS and Android platforms, working with a globally distributed team dedicated to delivering cutting-edge products.As a key member of the TechOps team at TransPerfect, you will leverage your expertise in Flutter to build new mobile applications from the ground up. This hybrid role emphasizes both independent and collaborative efforts within a high-impact team.

Join TransPerfect, a renowned company with a dynamic start-up culture, as we seek innovative and entrepreneurial individuals to become part of our team. We are currently looking for a Mobile Engineer to contribute to our global efforts by creating exceptional user experiences on both iOS and Android platforms. This full-time hybrid role requires the ability to work independently as well as collaboratively within a high-impact team dedicated to delivering groundbreaking products.The ideal candidate will possess extensive expertise in developing iOS and Android applications using Flutter, and have a proven track record of building new components from the ground up.About the TransPerfect TechOps Team:The TechOps team at TransPerfect has been instrumental in our success for the past decade, providing technology and services that have greatly simplified the workflows for our clients and colleagues. From streamlining internal processes to creating scalable client interfaces for our GlobalLink platform, our team is dedicated to enhancing user navigation through complex ecosystems.Your Key Responsibilities:Serve as the subject matter expert in mobile app development, shaping the team’s mobile development practices, design thinking, and deployment processes.Work collaboratively with product managers, engineers, product designers, and QA to create engaging user experiences on iOS and Android.Lead the delivery of significant mobile app features, components, and overall application solutions in conjunction with technical leads and senior engineers.Thrive in an agile environment, effectively managing internal and external implementation requirements and expectations.Provide constructive feedback to technical staff throughout the software lifecycle to ensure development priorities align with business needs.Write clean, efficient, and maintainable code adhering to industry best practices and coding standards.Stay updated on the latest trends, technologies, and best practices in mobile development.

At Hudl, our mission is to build exceptional teams. We attract top talent to foster an environment where you can continuously learn and grow alongside passionate professionals. You're empowered to approach your work in your own unique style while pushing the boundaries of innovation. Our commitment to a supportive culture is evident, as reflected in our recognition as one of Newsweek's Top 100 Global Most Loved Workplaces.We pride ourselves on being the backbone of the sports community, facilitating the lifelong lessons derived from teamwork, dedication, and the inspiration of great coaches. Our solutions empower athletes and teams worldwide to enhance their game through video capture, data analytics, and highlight sharing.Are you ready to make a difference with us?Your RoleWe are seeking Senior Engineers to become integral members of our cross-functional product teams within the Human Performance group. This team is dedicated to creating innovative solutions that profoundly influence how athletes and teams train, compete, and strive for peak performance.As a Senior Engineer, you will:Collaborate with Cross-Functional Teams: Engage with Engineering, Quality Assurance, Product, Design, and Scrum teams to develop full-stack web features.Drive Development and Delivery: Your team will have the autonomy to significantly impact the product area, listening to customer needs to deliver transformative features that elevate the user experience for coaches and athletes.Experiment with New Ideas: At Hudl, we believe in rapid iteration, deploying updates hundreds of times a day. You will have the chance to propose innovative solutions to complex technical challenges and mentor less experienced engineers.Provide Mentorship: Share your knowledge and best practices in development, guiding others in planning, designing, and executing complex projects.

ANYbotics is an innovative and rapidly expanding technology company committed to revolutionizing the field of mobile robotics across diverse sectors. We invite you to join our dynamic and talented team of over 200 professionals, working on pioneering robotic technologies.The OpportunityWe are searching for a Senior Backend Engineer to become a vital member of our agile software engineering team. In this role, you will be responsible for architecting and developing the backend for the next generation of robotic applications for our flagship product, ANYmal. Collaborating closely with your teammates and leading robotics engineers, you will design and implement sophisticated software solutions that empower ANYmal to undertake increasingly complex tasks.The APIs developed by your team will lay the groundwork for strategic partnerships with software and cloud technology providers, facilitating seamless integration into our clients' facility management systems and enabling the creation of comprehensive robotic inspection solutions.At ANYbotics, we continually innovate to enhance the performance and capabilities of our robots, helping clients derive valuable insights from their facilities and processes with efficiency and ease. Leverage your technical expertise in web technologies to contribute to making our robots smarter, more reliable, and user-friendly.The Market & Our TechnologyANYbotics is at the forefront of transforming the industrial landscape by integrating robotics into a wide array of groundbreaking applications that were previously unattainable (refer to our case studies in sectors such as Chemicals, Oil & Gas, Railways, Wind Energy, Mining, and Construction). Our clientele consists of major asset operators and service providers in the industrial sector, pioneering the use of robotic technology for inspection and maintenance tasks. Our solutions facilitate autonomous routine inspections and monitoring of extensive industrial facilities, enhancing safety and productivity. We engineer a variety of customized hardware systems, including the complete robotic platform, actuators, sensors, inspection payloads, charging systems, and software, achieving exceptional mobility, autonomy, and inspection capabilities, often powered by AI. Our technology has been validated through long-term pilot projects, and we are now scaling our solutions for commercialization, deploying them directly in operations at client facilities across the globe.About UsANYbotics is a pioneering robotics firm specializing in advanced autonomous systems. Following a successful Series B funding round, we are poised for significant growth...

Hello Welcome to HappyScribe, a thriving and fully bootstrapped AI company based in the vibrant city of Barcelona. We are proud to offer one of the web's most precise multilingual transcription platforms, relied upon by hundreds of thousands of users every month. Our successful product empowers us to innovate further — no external investors, no burn rates, just a clear focus on our mission.As we expand our horizons, we are embarking on an exciting journey to transform conversations into lasting memories. We are developing a unique platform where conversations evolve into memories, ideas transform into actionable steps, and teams collaborate with enhanced clarity and efficiency.Joining our close-knit team of approximately 15 skilled professionals (with backgrounds from Typeform, Pitch, King, Skyscanner, and more) means you will be part of a pragmatic group dedicated to both scaling our existing revenue-generating platform and prototyping innovative products that push the boundaries of speech and agentic AI.We prioritize speed while maintaining a long-term vision. Here, you will have the opportunity to own, shape, and deliver tangible products — not just pitch decks.About the Role...We are seeking a talented Product Engineer to enhance and evolve our core transcription and intelligence platform. You will collaborate closely with Matej (our Tech Lead, formerly of Typeform), designers, and our founders to roll out features that cater to both small teams and large enterprises.This role is ideal for experienced builders who are passionate about their craft — engineers who think systematically, value impact, and discern when to act swiftly and when to delve deeply.What You Will Do...Develop and maintain the core HappyScribe application across multiple platforms, catering to hundreds of thousands of users monthly. You will be responsible for features from concept through to production.Embrace a learn-and-iterate approach. Measure impact proactively, gather user feedback, and refine or discontinue features based on your insights.Work collaboratively with engineers, designers, and leadership to influence the product roadmap. Your input will shape what we build and why.Example projects include:Creating integrations with telecommunication platforms to capture real-time conversations.Developing search and storage systems for extracting insights from numerous multilingual transcripts.Building a desktop app for local recording and seamless access to conversation data.What You Will Bring...You are an experienced engineer with a passion for building robust products.Your expertise in systems design and your commitment to impactful work will drive our projects forward.

About AbacumAbacum stands at the forefront of Business Planning solutions tailored for finance teams. Our innovative platform automates reporting, enhances collaboration, and streamlines planning and forecasting, empowering finance teams to transition from mere number crunching to making strategic decisions.Founded in 2020 by visionary former CFOs, we have rapidly expanded to a global workforce of 100+ talented individuals representing 30+ nationalities. With our headquarters in New York and additional offices in London and Barcelona, we are proud to serve esteemed clients such as Dish Networks, Strava, BetterUp, Kajabi, JG Wentworth, Abridge, Cortex, among many others.Having successfully raised over $100 million, we recently concluded our $60M Series B funding round in June 2025, led by Scale Venture Partners with strong backing from Cathay Innovation, Y Combinator, Atomico, Creandum, and angel investors from Adyen, Zapier, and Twitch.Our ambitious mission is to redefine Business Planning—join Abacum and be part of this groundbreaking journey!We are looking for...An enthusiastic Senior Frontend Engineer who thrives on solving intricate, market-defining challenges—such as developing a real-time, multidimensional calculations engine!This is a rare opportunity to engage in an agile coding environment, directly influence our product, and shape our engineering culture and technical design.If you are someone who takes pride in ownership of your work, learns swiftly, and is eager to contribute to something extraordinary, we invite you to apply!

If you’re here, it’s because you’re seeking an exciting opportunity.Join us for a journey that will ignite your ambitions and encourage you to tackle new challenges beyond your comfort zone.At Delivery Hero, we foster a dynamic culture centered around talent, aiming to enhance the experiences of millions. Together, we pave the way for the future.Not your typical app. We are the fastest-growing multi-category platform, linking millions of users with businesses and couriers, delivering on-demand services from over 170,000 local restaurants, grocery stores, and high street retailers. Our operations span more than 1,500 cities across 25 countries. Each year, over 200,000 merchants generate over €4 billion in sales through our platform, with over 20 million customers receiving their goods in minutes.We are reshaping how people connect with their daily needs, from essential deliveries to innovative technological solutions that unite our ecosystem. Every day is filled with purpose.What sets our journey apart? A robust culture and distinctive identity. A Talent Hub. A commitment to being a force for good.We hold a vision: To provide everyone easy access to anything in their cities. This ambitious vision calls for driven talent, and this is where your journey begins.

Scopely is on the lookout for a driven and passionate Senior Analytics Engineer to become a vital member of our Playgami team, based in Barcelona with a hybrid work arrangement! At Scopely, we believe in the power of play and strive to foster an inspiring environment—whether collaborating with our talented colleagues or engaging with our vibrant communities of players. Our global team of gaming enthusiasts is dedicated to developing, publishing, and innovating within the mobile games industry, making connections with millions of players across the globe every day. The Playgami team is committed to creating the ultimate SaaS gaming platform! We aim to deliver exceptional products for game production, operation, and analytics, powering numerous award-winning franchises enjoyed by millions across mobile, web, and PC platforms. What You’ll Do Lead collaborative efforts with engineers, product teams, and analysts to craft self-service insight products that are responsive, accurate, and scalable to petabyte levels.Manage the entire data product lifecycle, including designing innovative tracking plans, developing robust data models, ELT pipelines, and self-service analytics solutions such as Looker explores and dashboards.Ensure the integrity of data quality by maintaining consistent metric reporting across diverse data products.Leverage state-of-the-art technologies, including BigQuery, dbt, and Looker.Provide technical guidance and support to game product teams and departments, enhancing their operational efficiency and product success.Bring specialized knowledge of a specific segment of the data stack while also contributing across various aspects.Mentor fellow team members and promote the adoption of best practices within the team.What We’re Looking For A strong enthusiasm for tackling complex analytical challenges.Demonstrated ability to translate business requirements into advanced analytical solutions.In-depth knowledge of the modern data stack (BigQuery, Snowflake, dbt, Looker, Airflow, GitHub, command line-based workflows).Exceptional SQL expertise with a minimum of 5 years in data analytics or engineering roles.Solid grasp of data modeling principles (e.g., Kimball methodology, star schemas).A high regard for business context coupled with a commitment to achieving technical excellence.A collaborative mindset and pride in contributing to a team-oriented environment.