Search results for "Swift Concurrency"

Avaron AB

About the Company At Avaron, you get the security of permanent employment combined with the variety of working at different customers. We place specialists across everything from tech, IT and industry to project management and business support – and whatever the assignment, you have a consultant manager who is there for you and your development. About the Role You will work at the point where product priorities and engineering decisions come together, shaping how iOS solutions are built and evolved. In this role, you will partner closely with product managers, designers, engineering leaders, backend developers, and QA to turn business needs into high-quality mobile experiences without compromising on coding standards or long-term maintainability. You will have a senior voice in architecture, technical direction, and best practices, while staying hands-on in development. This is a strong opportunity for you if you enjoy combining advanced iOS engineering with architectural influence, performance work, and mentorship. Job DescriptionYou will lead the design, development, and maintenance of advanced iOS applications using Swift and SwiftUI. You will drive technical decisions, guide architecture choices, and help establish scalable and maintainable solutions. You will collaborate with product managers, designers, and developers to define requirements and deliver new features. You will mentor junior developers through technical guidance, knowledge sharing, and code reviews. You will review code, promote best practices, and help maintain high standards for quality and consistency. You will identify and solve complex technical issues related to performance, memory management, rendering, and concurrency. You will work with backend developers to integrate mobile applications with APIs and server-side systems. You will collaborate with QA to support thorough testing and reliable deployments. You will contribute to Agile/Scrum ceremonies, including sprint planning and estimations. You will stay current with new iOS tools, frameworks, and development practices, and help the team adopt them when relevant. RequirementsStrong expertise in SwiftUI, including declarative syntax, component-based architecture, and complex UI implementation. Strong programming skills in Swift and the ability to write clean, efficient, and maintainable code. Experience with Objective-C. Solid understanding of software architecture and design patterns such as MVVM, VIPER, or Clean Architecture. Deep knowledge of the iOS SDK and Apple frameworks such as UIKit, Core Data, Core Animation, and Core Graphics. Experience building intuitive, detailed, and high-quality user interfaces. Strong ability to optimize app performance, reduce memory usage, and improve rendering efficiency. Experience with RESTful APIs, asynchronous network requests, JSON parsing, authentication, and robust error handling. Strong debugging and troubleshooting skills using tools such as Xcode debugger, console, crash logs, and system logs. Experience with unit testing. Understanding of DevOps practices and collaboration in modern delivery flows. Experience working in Agile/Scrum development environments. Nice to haveExperience using Instruments for performance analysis and optimization. Experience providing technical leadership and mentoring other developers. What We OfferPermanent employment at Avaron AB Occupational pension Wellness allowance of SEK 5,000 per year Application Selections are made on an ongoing basis – apply as soon as you can.

Opera Sweden AB

Join Opera's iOS Development team in Gothenburg and help shape the future of mobile browsing for millions of users worldwide. We're looking for a passionate iOS Developer who thrives on building high-quality products, embraces new technologies, and enjoys collaborating with talented colleagues. In this role, you'll have the opportunity to design, build and deliver innovative features for Opera for iOS, contribute across the entire development lifecycle, and play a key role in creating a fast, secure, and engaging browser experience. Role & Responsibilities Develop, innovate, design and deliver new features and product versions. Participate and contribute in all parts of the software development lifecycle. Adapt to and learn new technologies. Prioritize what is relevant and important. Be a core team player, share knowledge, help and support your fellow colleagues Job Requirements Strong proficiency in Swift and modern iOS development practices Solid experience with UIKit, SwiftUI, Core Data, and Swift Concurrency (async/await) Experience with iOS applications development and web technology BS or MS in Computer Science or equivalent experience Strong understanding of data structures, algorithms, and database technologies Ability to write clean, maintainable and high quality code with (and without) AI-assisted development tools such as Claude Code Self-motivated with a passion for continuous learning, professional growth, and embracing constructive feedback Excellent communication and collaboration skills Fluent in English, both written and spoken Nice to Have Knowledge about algorithms Experience with C++ programming and web development technologies Experience working with Carthage and Fastlane Knowledge of analytics tools such as Firebase, Appsflyer, etc. Knowledge of web security What’s On Offer At Opera, you’ll join a diverse and inclusive team of experienced, supportive professionals who value creativity and collaboration. We work in a flat structure with short decision-making paths, use smart technology, and support your ongoing skill development in a friendly and empowering environment. Interested? We’d love to hear from you! Applications are reviewed on a rolling basis, so we encourage you to apply soon. Please submit your CV in English. Have questions about our recruitment process, remote work, or benefits? Check out our FAQ page for more details.

Needefy AB

We’re looking for an experienced iOS Engineer to join a team working on system-level components, background services, and platform logic within iOS. This role is ideal for someone who enjoys understanding how things work under the hood, building reliable low-level functionality, and contributing to software that runs seamlessly on millions of devices worldwide. What you’ll do Design and build system services and daemons that operate reliably over long runtimes. Work close to the OS layer, contributing to performance, stability, and platform integrity. Collaborate with cross-functional teams to evolve internal frameworks and APIs. Investigate and resolve complex issues related to threads, concurrency, and system behavior. What we’re looking for Problem-solving clarity - Ability to explain your thinking, ask clarifying questions, and iterate from simple to optimized Technical fundamentals - Can reason about complexity, understand practical trade-offs, and write clean code Communication - Easy to talk to, take feedback without defensiveness, and discuss assumptions explicitly Genuine enthusiasm - Show real interest in hard problems, not just getting a job Learning agility - Willing to pick up new technology, work with legacy code, and adapt quickly Must have 6+ years of experience in iOS development (Swift, Objective-C). Solid understanding of computer science fundamentals — algorithms, data structures, and architecture. Ideally M.Sc. Computer Science. Strong knowledge of threads, concurrency, and asynchronous programming (async/await, GCD, etc.). Proven ability to write robust, fault-tolerant, and efficient code for background or long-running processes. Clear communication skills and fluent English; Swedish is considered meritorious. Nice to have Experience developing system services, frameworks, or daemons on iOS or macOS. Knowledge of security, privacy, encryption, or communication protocols. Experience with complex or distributed systems. Familiarity with Bluetooth or other low-level communication layers. Deep understanding of modern Swift concurrency (structured concurrency, actors, async/await). Join a technically driven environment where depth of understanding and reliability matter. You’ll be part of a small, skilled team solving challenges that make iOS systems more stable, efficient, and intelligent. Öppen för alla Vi fokuserar på din kompetens, inte dina övriga förutsättningar. Vi är öppna för att anpassa rollen eller arbetsplatsen efter dina behov.

Needefy AB

The app layer is where great user experiences come to life. In this role, you’ll work close to the interface, the application logic, and the connection between client apps and background services. It’s a great fit if you enjoy building polished, intuitive iOS experiences while still understanding how the systems behind them work together. What you'll do Build and refine user-facing features in iOS applications, with focus on the application layer, UI, and interaction design. Work with SwiftUI, UIKit, Swift, or Objective-C depending on the codebase and product needs. Translate product and design requirements into clean, maintainable, and testable iOS components. Collaborate with designers, backend engineers, and other app developers to create smooth and reliable user experiences. Ensure that UI components interact effectively with background services, data flows, and asynchronous processes. Improve performance, accessibility, and usability across key user journeys. Debug, refactor, and modernize existing code while balancing quality, delivery, and practical trade-offs. Contribute to technical discussions, code reviews, and continuous improvement of the iOS application architecture. What we’re looking for Problem-solving clarity - Ability to explain your thinking, ask clarifying questions, and iterate from simple to optimized Technical fundamentals - Can reason about complexity, understand practical trade-offs, and write clean code Communication - Easy to talk to, take feedback without defensiveness, and discuss assumptions explicitly Genuine enthusiasm - Show real interest in hard problems, not just getting a job Learning agility - Willing to pick up new technology, work with legacy code, and adapt quickly Must have Computer science fundamentals, including algorithms, data structures, and architecture. Ideally B.Sc. or M.Sc. in Computer Science. 5+ years of professional iOS development experience, including strong hands-on work with SwiftUI, UIKit, Objective-C, or Swift. Understanding of iOS architecture, data flow, and component structure. Ability to write clean, testable, and maintainable code. Basic understanding of asynchronous and concurrent programming. Strong communication skills and enthusiasm for mobile platforms and user-focused app development. Passion for design and user experience. Nice to have Experience with SwiftUI and modern UI patterns, such as MVVM, Combine, etc. Knowledge of animation, accessibility, and performance optimization. Understanding of interaction between UI and background processes. Experience with build and test automation, such as CI/CD, Xcode Cloud. Join a product-focused engineering environment where thoughtful design, clean implementation, and smooth user experiences matter. You’ll work close to the app layer, building iOS interfaces and application flows that feel intuitive, reliable, and well connected to the systems behind them. Öppen för alla Vi fokuserar på din kompetens, inte dina övriga förutsättningar. Vi är öppna för att anpassa rollen eller arbetsplatsen efter dina behov.

Lovable Labs Sweden AB

TL;DR - We're looking for world-class brand designers to help define and evolve Lovable's visual identity. You'll contribute to our brand across all touchpoints, creating assets for web, print, and motion. We expect exceptional taste, versatility across mediums, and the ability to maintain consistency in a fast-paced environment. You'll join a team at the forefront of AI, enabling anyone to create software. Why Lovable? Lovable lets anyone and everyone build software with any language. From solopreneurs to Fortune 100 teams, millions of people use Lovable to transform raw ideas into real products - fast. We are at the forefront of a foundational shift in software creation, which means you have an unprecedented opportunity to change the way the digital world works. Lovable-built applications and websites are visited hundreds of millions of times a month, and our enterprise footprint is compounding fast. And we’re just getting started. We’re a small, talent-dense team building a generation-defining company from Stockholm. We value extreme ownership, high velocity, and low-ego collaboration. We seek out people who care deeply, ship fast, and are eager to make a dent in the world. What we're looking for 10+ years experience designing for web, print, and motion across high-growth startup environments A portfolio of shipped brand assets - campaign visuals, social graphics, presentation decks, event materials, and marketing collateral Strong craft across brand identity, typography, layout, and illustration with demonstrable output Proven ability to maintain brand consistency while delivering high volumes of work across multiple channels Experience creating scalable brand systems, templates, and guidelines that enable teams to execute independently Ability to work autonomously and manage multiple concurrent projects from brief to delivery What you'll do In one sentence: Shape how the world sees and experiences Lovable. Own and evolve Lovable's visual identity system across all brand touchpoints Create marketing assets for campaigns, social media, events, and partnerships Design presentation decks, one-pagers, and sales materials that tell our story compellingly Establish brand guidelines and systems that ensure consistency as we scale rapidly Build tools, templates, and processes that empower the team to create on-brand work independently Collaborate with product design to ensure brand consistency within the product experience Work with content and growth teams to bring campaigns to life visually Be scrappy and hands-on with whatever the brand needs - from a LinkedIn carousel to event signage Help set the bar for creative quality and taste at Lovable Re-invent how modern brand teams work How we hire Fill in a short form then jump on an initial exploratory call. We'll send you a quick take-home asking to present your best work over a loom video presentation. Join us for a round of interviews to discuss your experience in more depth Join us for trial work lasting 1-2 days remote or on-site. We'll see how you tick and you get to meet the team and explore whether joining Lovable feels right for you. Important Note: Please submit your application in English. It's our company language so you'll be speaking lots of it if you join. We treat all candidates equally - if you're interested please apply through our careers portal.

Adavo AB

Start date: ASAP Scope: Full-time Location: Malmö (5 days onsite) Assignment Description An international organization is seeking an iOS Engineer specializing in system-level development, background services, and platform logic. This role is well suited for someone who enjoys understanding how systems work under the hood and building stable, scalable components that run reliably at scale. The assignment is a consulting engagement where you will be employed by Zcelero AB and work on-site with one of Zcelero’s clients in Malmö. You will work with long-running processes and services where robustness, performance, and reliability are critical. The role involves designing and implementing components that handle asynchronous flows, concurrency, and low-level system interactions in an efficient and secure way. You will collaborate closely with other engineers and stakeholders, contributing to architectural decisions, code quality, and the continuous evolution of the platform. Key Responsibilities Develop and maintain system-level components and background services within iOS Design and implement robust and efficient solutions for long-running processes Work with concurrency and asynchronous programming (e.g. async/await, GCD) Ensure high standards of code quality, performance, and reliability Analyze and optimize system behavior at a low level Collaborate with engineers on architecture and technical solutions Contribute to continuous improvement of development practices and codebase Requirements (Must-have) Several years of experience in iOS development (Swift, Objective-C, or similar) Strong foundation in computer science fundamentals (algorithms, data structures, system architecture) Strong algorithmic skills and solid theoretical computer science knowledge Experience with threading, concurrency, and asynchronous programming (e.g. async/await, GCD) Ability to write robust, efficient, and fault-tolerant code for long-running processes Strong communication skills and fluency in English A genuine curiosity about how modern platforms and frameworks evolve Nice to Have Experience developing system services, frameworks, or daemons on iOS or macOS Knowledge of security, privacy, encryption, or communication protocols Experience working with complex or distributed systems Familiarity with Bluetooth or other low-level communication layers Deep understanding of modern Swift concurrency (structured concurrency, actors, async/await) We look forward to receiving your application!

Stripe

WHO WE ARE ABOUT STRIPE Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. ABOUT THE TEAM The Escalations team offers a single point of entry for all user escalations raised by Stripes on behalf of a user. This team is accountable for all user escalation resolutions by either direct responsibility for resolution or by partnering with other support and non-support teams to facilitate a resolution. We aim to help users find speedy issue resolution and alleviate confusion and unnecessary effort from non-Support Stripes to do this. We'll dig into specific user escalations to find top drivers for our most frequent and painful issues affecting our largest users as well as analyze the experience for the broader subset of users. Ultimately, these cases often shine a light on points of failure within Stripe, and the User Escalations team has the opportunity to create transformative user experiences, while also helping edit Stripe to rectify the structural issues that resulted in the escalation in the first place. This is a high-visibility, high-impact role, with the responsibility to work with users and cross-functional stakeholders, all while helping build this team from the ground up. WHAT YOU'LL DO In this role, you'll play a vital part in addressing user escalations at Stripe, focusing on swift and effective resolution. You'll engage directly with users and the reporters of the escalations, while also collaborating with product and engineering teams to ensure effective resolution of user issues. Additionally, you'll leverage data and insights to identify trends and root causes, and drive support improvements across the wider organization. RESPONSIBILITIES * Respond to incoming User Escalations from Stripes in a timely manner (within agreed service levels) as well as triage, scope, and support to resolution  * Communicate directly with users to solve the most painful problems, via email and phone * Be accountable for timely and accurate resolution for all User Escalations within agreed service levels  * Directly, or in partnership with other Stripe teams, drive fast resolution and demonstrate extreme ownership in solving users' issues completely  * Conduct thorough, data-driven root-cause analyses of escalations, and work with partner teams to validate findings * Share findings and insights with leaders through forums and presentations * Collaborate with partner teams to identify remediations to address root causes of escalations and drive change from a user-first mentality * Challenge the status quo, identifying how and where Stripe needs to improve to better serve users * Help build the team and process from the ground up * Support training and socialization efforts for process adoption across Stripe * Build relationships with partner teams and drive accountability for completion of remediations * Understand and help influence the relevant product roadmaps that will address the most frequent user escalations WHO YOU ARE We're looking for someone who meets the minimum requirements to be considered for the role. If you meet these requirements, you are encouraged to apply. The preferred qualifications are a bonus, not a requirement. MINIMUM REQUIREMENTS * 2+ years of experience in a user support (customer-facing) role  * Prior experience in troubleshooting and working on short SLA cases or escalations * Prior experience working on projects or process improvement initiatives * Sound judgment and impeccable attention to detail * Deep sense of customer care and user-first perspective * Unflappable, exothermic energy under pressure * Comfort with ambiguity and a proven ability to create order out of chaos by building processes that help the team run better and deliver a better user experience * Solid stakeholder management skills and an ability to influence others to drive progress * A sense of urgency and a drive to see issues through to resolution PREFERRED QUALIFICATIONS * Experience leading multiple concurrent projects * Rigorous analysis and the ability to use data to inform decisions * Comfort with SQL is a plus. * Experience in large and enterprise users is a plus.

Lovable Labs Sweden AB

TL;DR - We're looking for a world-class motion designer to help bring Lovable to life through video. You'll contribute to launch videos, build a scalable motion library, and define our visual storytelling across marketing and social. We expect exceptional craft, narrative sensibility, and the ability to scale motion design across teams and partners. You'll join a team at the forefront of AI, enabling anyone to create software. Why Lovable? Lovable lets anyone and everyone build software with plain English. From solopreneurs to Fortune 100 teams, millions of people use Lovable to transform raw ideas into real products - fast. We are at the forefront of a foundational shift in software creation, which means you have an unprecedented opportunity to change the way the world works. Over 2 million people in 200+ countries already use Lovable to launch businesses, automate work, and bring their ideas to life. And we're just getting started. We're a small, talent-dense team building a generation-defining company from Stockholm. We value extreme ownership, high velocity and low-ego collaboration. We seek out people who care deeply, move fast, and are eager to make a dent in the world. What we're looking for A portfolio of shipped motion work - launch videos, social content, explainer videos, and product animations from high-growth environments Mastery of After Effects, Premiere Pro, and modern motion design workflows with demonstrable output across formats Experience building motion systems, template libraries, and style guides that scale across teams and agencies Strong storytelling ability through visual narrative - transforming complex product ideas into clear, compelling videos Proven ability to art direct and collaborate with external agencies and freelancers Ability to work autonomously and manage multiple concurrent video projects from concept to delivery Bonus: 3D skills (Cinema 4D, Blender) or experience with AI video tools What you'll do In one sentence: Make Lovable move beautifully across every screen, at scale. Create launch videos and feature announcements that showcase what Lovable can do Build and maintain a comprehensive motion design system with templates, transitions, and reusable assets Establish motion design guidelines, style guides, and workflows that enable consistent production at scale Collaborate with and art direct third-party agencies to extend our motion design capabilities Produce marketing videos, social content, explainer videos, and tutorial animations Work with marketing and product teams to translate ideas into compelling video narratives Animate product interfaces and interactions for marketing materials Create toolkits and documentation that empower both internal teams and external partners to produce on-brand motion work Be scrappy and hands-on with whatever video needs arise - from a quick Twitter teaser to a keynote opener Help set the bar for motion quality and visual storytelling at Lovable How we hire Fill in a short form then jump on an initial exploratory call. We'll send you a quick take-home asking to present your best work over a loom video presentation. Join us for a round of interviews to discuss your experience in more depth Join us for trial work lasting 1-2 days remote or on-site. We'll see how you tick and you get to meet the team and explore whether joining Lovable feels right for you. Important Note: Please submit your application in English. It's our company language so you'll be speaking lots of it if you join. We treat all candidates equally - if you're interested please apply through our careers portal.

Lovable Labs Sweden AB

TL;DR - We're looking for a world-class brand designer to help define and evolve Lovable's visual identity. You'll contribute to our brand across all touchpoints, creating assets for web, print, and motion. We expect exceptional taste, versatility across mediums, and the ability to maintain consistency in a fast-paced environment. You'll join a team at the forefront of AI, enabling anyone to create software. Why Lovable? Lovable lets anyone and everyone build software with plain English. From solopreneurs to Fortune 100 teams, millions of people use Lovable to transform raw ideas into real products - fast. We are at the forefront of a foundational shift in software creation, which means you have an unprecedented opportunity to change the way the world works. Over 2 million people in 200+ countries already use Lovable to launch businesses, automate work, and bring their ideas to life. And we're just getting started. We're a small, talent-dense team building a generation-defining company from Stockholm. We value extreme ownership, high velocity and low-ego collaboration. We seek out people who care deeply, move fast, and are eager to make a dent in the world. What we're looking for Experience designing for web, print, and motion across high-growth startup environments A portfolio of shipped brand assets - campaign visuals, social graphics, presentation decks, event materials, and marketing collateral Strong craft across brand identity, typography, layout, and illustration with demonstrable output Proven ability to maintain brand consistency while delivering high volumes of work across multiple channels Experience creating scalable brand systems, templates, and guidelines that enable teams to execute independently Ability to work autonomously and manage multiple concurrent projects from brief to delivery What you'll do In one sentence: Shape how the world sees and experiences Lovable. Own and evolve Lovable's visual identity system across all brand touchpoints Create marketing assets for campaigns, social media, events, and partnerships Design presentation decks, one-pagers, and sales materials that tell our story compellingly Establish brand guidelines and systems that ensure consistency as we scale rapidly Build tools, templates, and processes that empower the team to create on-brand work independently Collaborate with product design to ensure brand consistency within the product experience Work with content and growth teams to bring campaigns to life visually Be scrappy and hands-on with whatever the brand needs - from a LinkedIn carousel to event signage Help set the bar for creative quality and taste at Lovable How we hire Fill in a short form then jump on an initial exploratory call. We'll send you a quick take-home asking to present your best work over a loom video presentation. Join us for a round of interviews to discuss your experience in more depth Join us for trial work lasting 1-2 days remote or on-site. We'll see how you tick and you get to meet the team and explore whether joining Lovable feels right for you. Important Note: Please submit your application in English. It's our company language so you'll be speaking lots of it if you join. We treat all candidates equally - if you're interested please apply through our careers portal.