iOS Engineer (Flutter, Swift)

At Speechify, our mission is to eliminate barriers to learning through innovative technology. As a Senior iOS Engineer, you will play a pivotal role in enhancing our iOS app, which is celebrated as the #18 productivity app on the App Store and recognized with Apple’s 2025 Design Award for inclusivity. You will be part of a 100% remote team dedicated to creat…

At Speechify, we are driven by the mission to eliminate reading barriers and enhance learning experiences. Our innovative text-to-speech technology empowers over 50 million users to effortlessly convert any reading material—from PDFs and books to Google Docs and websites—into engaging audio. Our product suite includes the iOS app, Android app, Mac app, Chrome extension, and web app. With accolades such as Chrome Extension of the Year and Apple's App of the Day, we are proud of our achievements in making reading accessible for everyone.As a fully remote organization, we are home to nearly 200 talented individuals from diverse backgrounds, including frontend and backend engineers, AI research scientists, and experts from renowned companies like Amazon, Microsoft, and Google, as well as graduates from prestigious institutions such as Stanford. We foster a collaborative and dynamic work environment without a centralized office.Position OverviewTo support our rapidly growing iOS app—currently ranked as the #18 productivity app in the App Store and recently recognized with Apple’s 2025 Design Award for Inclusivity—we are seeking a Senior iOS Engineer. This pivotal role requires a strategic thinker who thrives in fast-paced environments and is passionate about creating exceptional user experiences while driving product innovation.Our flat organizational structure empowers team members to take on leadership roles by demonstrating technical excellence and delivering consistent results. A strong work ethic, effective communication skills, and a relentless drive to succeed are essential attributes we value.The interview process will include multiple technical assessments, with a goal of completing them within one week.

Join Canonical, a trailblazer in open source software, as an Ubuntu Core Software Engineer. In this pivotal role, you will revolutionize the Linux experience within embedded environments, developing the most secure and updatable operating system for the IoT landscape. We seek a passionate software engineer who is well-versed in open source principles, Linux systems, security protocols, and the developer experience. You will tackle complex challenges that require a robust understanding of low-level operating systems, kernel functionalities, and device firmware. Your mission will involve empowering diverse industries—ranging from IoT to automotive and aviation—by creating a next-generation secure embedded Linux OS that simplifies operations for device manufacturers worldwide. As part of the Ubuntu Core team, your work will encompass designing and implementing software for various CPU architectures, including ARM, RISC-V, and x86, while enhancing boot mechanisms, bootloaders, storage layouts, and device trees.

Role Overview xbowcareers is hiring a Software Engineer focused on Platform and Core Infrastructure. This remote position is open to candidates based in Europe. What You Will Do Develop and maintain core systems that support the company’s technology foundation. Work to improve operational efficiency through thoughtful engineering solutions. Collaborate with cross-functional teams to deliver reliable and scalable infrastructure. Contribute ideas and technical expertise to strengthen the overall technology stack. Who We’re Looking For Solid experience in software development. Interest in tackling complex challenges in platform and infrastructure engineering. Comfort working with colleagues across different teams and disciplines. Based in Europe and able to work remotely.

Our MissionAt Speechify, we revolutionize the way you consume information. Whether it’s articles from the web, documents stored in the cloud, or books on your mobile device, we enable you to absorb information through listening, anytime and anywhere. Our tools facilitate learning that is not only easier but also deeper and faster.Just as streaming services have transformed audio entertainment, we are innovating the realm of audio information. Our efforts have positioned us as the leading platform in our category, experiencing remarkable growth.Position OverviewWe are seeking a talented Senior Software Engineer to become a vital part of our Core Experiences Team. This team is responsible for developing and maintaining the essential services and SDKs that enhance Speechify’s product experience across various platforms. This strategic position is ideal for someone who thrives at the intersection of product development and infrastructure, possesses a strategic mindset, and is dedicated to crafting clear, reliable APIs and simplified systems that significantly improve the user experience.

Canonical, a trailblazer in open source software and operating systems, is transforming the global enterprise and technology landscape with our widely adopted Ubuntu platform. Our technology empowers groundbreaking initiatives across public cloud, data science, artificial intelligence, engineering innovation, and the Internet of Things (IoT). We take pride in serving the world’s leading public cloud and silicon providers, alongside industry pioneers across various sectors. Embracing a culture of global collaboration, we boast a workforce of over 1,200 professionals spanning 75+ countries, with minimal office-based roles. Our teams convene in unique locations worldwide two to four times a year to align on strategic objectives and execution.As a founder-led, profitable, and rapidly growing organization, we are seeking a skilled Technical Engineering Manager to revolutionize the embedded Linux experience by developing the most compact, secure, and reliable operating system in the IoT market.This is an exciting opportunity for a technical leader passionate about open source software, Linux, containers, security, and enhancing the developer experience. You will have the chance to shape the future of Linux, from the smallest devices to desktops, in a role that demands both high technical acumen and the ability to inspire and lead teams.Our mission is to empower everyone to build resilient solutions across diverse fields, including IoT, automotive, and aviation, by utilizing the next-generation secure embedded Linux operating system. We are committed to establishing reliable and secure device recovery mechanisms, enabling manufacturers to streamline and standardize operations for diverse appliance fleets.As an Engineering Manager, you will lead a talented team of software developers in designing and implementing Ubuntu Core system software across various CPU architectures, including ARM, RISC-V, and X86. Collaborating with stakeholders, you will prioritize requests, strategize roadmaps, and ensure the team meets their objectives. This role offers you a chance to influence company culture, facilitate technical delivery, and work closely with your team on strategy and execution.

Join us at Plantingspace as we develop an advanced AI system tailored for analysts and scientists, leveraging a revolutionary approach to reasoning and knowledge representation. Our innovative platform surpasses the capabilities of traditional large language models (LLMs) by integrating algorithms symbolically, enabling multi-step analyses, verifiable reasoning paths, and uncertainty assessments. We aim to create transformative applications that enhance and automate research across diverse fields such as Finance, Strategy Consulting, Engineering, and Material Sciences.We are seeking talented Product Software Engineers who have a proven track record in the commercialization of research software. Your role will focus on the productization of our cutting-edge system, creating compelling use-case demonstrations that highlight its unique advantages. Key responsibilities include implementing applications in quantitative domains (like financial analysis and physics simulations) within our system's framework, identifying its strengths, and developing showcase demos. Additionally, you will play a crucial role in identifying limitations, closing gaps, and enhancing the product based on your insights.

Geo is revolutionizing the user interface landscape for blockchains and decentralized networks. As a pioneering team that contributed to the creation of The Graph, a fundamental web3 infrastructure protocol, we are dedicated to extending decentralization globally. We believe that public knowledge should be a shared resource, accessible to everyone, regardless of their preferred method. With Geo, communities can effectively organize information into a knowledge graph and achieve consensus on the state of that information—truly embodying the semantic web.By constructing a new web atop verifiable information, we empower users and communities. Integrating programmable money and voting systems allows us to scale human coordination, establishing new internet-native institutions—Geo is at the forefront of this movement.As an iOS Engineer, you will play a key role in enhancing the iOS experience for Geo, taking ownership of the app's architecture and bringing innovative functionalities to life through meticulously designed user interfaces. This creative position reports directly to the founder.

At RevenueCat, we simplify the process of building and scaling in-app subscriptions. Since our inception in Y Combinator’s S18 batch, we have emerged as the leading monetization platform for mobile applications. Currently, we power over 40% of newly released subscription apps and manage an impressive annual purchase volume exceeding $10 billion. Our platform supports developers of all sizes, from independent creators to teams at major companies like OpenAI, helping them optimize and enhance their revenue.We are a remote-first team of over 120 professionals located across 25 countries. Guided by core values such as Customer Obsession, Always Be Shipping, Own It, and Balance, we invite individuals who want their work to positively impact hundreds of millions of users and aid developers in monetizing their creations.The RoleWe are on the lookout for a Senior SDK Engineer, specializing in iOS, to join our dynamic team. This role involves designing, developing, and supporting comprehensive features and products that empower developers to increase their earnings. We seek a candidate who is not only product-focused and customer-oriented but also passionate about creating mobile SDKs that deliver an exceptional developer experience.While the primary focus will be on our iOS SDK, contributions to our Android SDK and hybrid SDKs will also be expected. Experience in these other platforms is not mandatory, but enthusiasm for working on them is essential.

Our Mission At Speechify, we strive to revolutionize the way people consume information. Our innovative platform allows users to convert articles, documents, and books into engaging audio formats, enabling them to learn and absorb knowledge at their convenience—whether at their desk, on the move, or wherever life takes them. Just as streaming services transformed audio entertainment, we are redefining audio information consumption. Our success speaks for itself: we are ranked #1 in our category and are experiencing remarkable growth. Position Overview We are seeking an experienced Senior Software Engineer to join our Core Experiences Team. This pivotal role involves developing and maintaining the essential services and SDKs that drive Speechify’s user experience across various platforms. We need someone who thrives at the intersection of product development and infrastructure, possesses strategic thinking abilities, and is dedicated to crafting clear, reliable APIs and streamlined systems that directly enhance user experiences. Your Responsibilities Collaborate closely with Speechify’s Product Teams to define project scopes, identify opportunities for rapid feedback from customers, balance integration and UX considerations across different product teams, and deliver effective solutions through our cross-platform SDK. Optimize and enhance existing functionalities, focusing on improving loading speeds and parsing intelligence by designing efficient abstractions and refining algorithms. Develop and deploy cloud functions, lightweight backend services, and jobs utilizing Kotlin. Ideal Qualifications Strong systems thinking skills, understanding that effective optimization requires comprehensive end-to-end design while valuing simplicity. Ability to work swiftly to generate ideas and options, knowing how to prioritize tasks for immediate shipping versus those requiring more development time. Focus and determination in a fast-paced, high-growth startup environment, with the ability to engage effectively when needed or maintain concentration independently. Excellent collaborative skills, capable of inspiring, engaging, and negotiating with diverse teams including designers, marketers, and product managers.

Hello! I’m Abhik, Co-Founder and VP of Engineering at Ashby. We are on the lookout for a driven and innovative full-stack software engineer who is passionate about addressing customer needs and making strategic long-term contributions to our evolving software products.At Ashby, you will experience the best of both worlds: the dynamic and empowering environment of a startup combined with the stability and scalability of a growth-stage company. Enjoy the autonomy to create product specifications, influence design decisions, and develop solutions in an environment that minimizes meetings. You will work on a platform that serves tens of thousands of daily users who rely on your contributions and are excited about upcoming features.We proudly serve prominent clients like Notion, Linear, Shopify, and Snowflake. Our impressive growth metrics, including a multi-million ARR and over 100% year-over-year growth with minimal churn, position us as industry leaders. We're eager to share more insights about our success during our conversation.You may have seen our job posting before as we are consistently expanding our team—we're projected to double in size this year! We're brimming with innovative ideas to enhance Talent Acquisition through software and are venturing into new product domains. Rest assured, we review every application and strive to respond within 3-4 days, often sooner.Role Overview and Work CultureOur engineering culture is designed to foster innovation and ownership, reminiscent of the environments where we thrived as individual contributors. I began my career developing software for the Visual Effects industry, where I learned the importance of understanding user needs and collaborating closely with stakeholders. This experience shaped my approach to product management, design, and agile development without the constraints of excessive meetings.Here at Ashby, we encourage creativity and provide our engineers with the autonomy and responsibility to drive meaningful change. We focus on problem-solving rather than merely ticket resolution, which cultivates an atmosphere ripe for innovation.

At Speechify, our mission is to eliminate reading barriers to enhance learning experiences for everyone.With over 50 million users globally, Speechify's innovative text-to-speech products transform various content types—like PDFs, books, Google Docs, news articles, and websites—into audio, enabling users to read faster, absorb more information, and retain knowledge effectively. Our award-winning offerings include an iOS app, Android app, Mac app, Chrome extension, and web app, with accolades including Google's Chrome Extension of the Year and Apple's App of the Day.Our team, consisting of nearly 200 talented individuals working remotely, includes frontend and backend engineers, AI research scientists, and industry veterans from companies like Amazon, Microsoft, and Google, as well as graduates from prestigious programs like Stanford and entrepreneurs from high-growth startups such as Stripe and Vercel.This pivotal role is suited for strategic thinkers who thrive in dynamic environments, possess a passion for impactful product development, and have a track record of crafting exceptional user experiences that genuinely delight.At Speechify, we embrace a flat organizational structure that empowers every team member to take on leadership through demonstrated technical excellence and consistent, rapid results. We prioritize work ethic, effective communication, and a relentless drive for success.Our interview process consists of multiple technical assessments designed to be completed within one week.

About PostHogAt PostHog, we are revolutionizing the way companies operate by providing a comprehensive suite of products essential for business growth and success from inception to IPO and beyond. Our platform serves as the ultimate operating system for software developers.Originating with open-source product analytics, PostHog emerged from Y Combinator's W20 cohort. Since then, we have launched over a dozen innovative products, including:A built-in data warehouse that allows users to seamlessly query and analyze product and customer data using custom SQL insights.A customer data platform designed for effortless data integration and management.PostHog AI, our AI-powered analyst that assists users in uncovering product insights, locating valuable session recordings, and generating custom SQL queries.As we look ahead, our roadmap includes exciting new offerings such as CRM, Workflow, revenue analytics, and support products. We truly embody the promise of delivering every tool businesses need to thrive!We are:Product-led: Over 100,000 companies trust PostHog, primarily driven by word-of-mouth, underscoring our exceptional product-market fit.Default alive: With an average revenue growth of 10% month-over-month, we prioritize efficiency and growth through strategic funding.Well-funded: Having raised over $100 million from leading investors, we are well-positioned for an ambitious and long-term journey.Our focus is on building outstanding products for our users, hiring exceptional talent, delivering quickly, and embracing our unique culture.

Join Binance, the foremost global blockchain ecosystem and the world’s leading cryptocurrency exchange, where we serve over 300 million users across more than 100 countries. Our commitment to security, transparency, rapid trading, and deep liquidity empowers us to deliver a comprehensive suite of digital asset products. Our offerings encompass trading, finance, education, research, payments, institutional services, and innovative Web3 solutions. At Binance, we harness the potential of blockchain technology to cultivate an inclusive financial ecosystem that elevates the freedom of money and enhances financial accessibility worldwide.About Binance SquareBinance Square aspires to be the premier social platform for the latest developments in Web3 and cryptocurrency. Featuring a diverse array of content from esteemed crypto professionals, passionate enthusiasts, and reliable media outlets, our platform connects content creators with their audience, personalizing user feeds based on engagement history. Join us in shaping the future of social interaction within the crypto landscape.

Welcome to Kaizen Gaming!At Kaizen Gaming, the driving force behind Betano, we are proud to be one of the leading GameTech companies globally, actively operating in 19 diverse markets. Our mission is to harness cutting-edge technology to deliver exceptional experiences to millions of customers who rely on us for their entertainment needs.Our vibrant team consists of over 2,700 Kaizeners from more than 40 nationalities, spread across three continents.As a recognized Best Workplace in Europe and a certified Great Place to Work, we promise that no two days will be the same. Are you ready to Press Play on your potential?About the Role:As the Lead Software Engineer, you will be instrumental in guiding a talented team of software engineers in crafting and delivering top-tier software products. Your leadership will involve overseeing project execution, mentoring team members, and ensuring adherence to engineering best practices. This role seamlessly combines technical acumen with leadership and communication skills to drive both team and organizational success.

Join us at Linear, where we are redefining the landscape of software development. Our mission is to reinvigorate the software experience by empowering product teams with an innovative issue tracking and project management tool that marries stunning UI with unmatched performance. Since our inception in 2019, Linear has swiftly become the go-to platform for over 20,000 companies striving to elevate their product development processes.Operating fully remotely from day one, our dynamic team is spread across North America and Europe. We share a unified vision driven by a commitment to excellence, swift execution, and a genuine passion for software craftsmanship. As makers at heart, we place great importance on the quality of our work.In our tight-knit team, versatility is key; we embrace challenges and foster a culture of continuous learning. We are in search of seasoned professionals who can tackle complex problems in both product and code. Our technology stack prominently features TypeScript, enabling us to build scalable systems that support ongoing progress on a robust foundation. While expertise in every tool we utilize isn’t mandatory, a solid grounding in JavaScript and experience with React and TypeScript are essential.Please note: We are an equal opportunity employer and operate as a remote-only company. Currently, we can only consider candidates within most European time zones for this role.Your ResponsibilitiesDesign and develop new user-facing features utilizing visually appealing and scalable UI components.Collaborate closely with founders and design teams to swiftly implement innovative feature concepts.Construct intricate React components, from drag & drop functionalities to virtualized large data rendering.Integrate real-time collaborative editing capabilities into our content editor.Enhance application performance through careful profiling.Redefine and implement best-in-class software development processes to create a purpose-built product.Our Technology StackOur technology stack mirrors the systems we build and operate. While we don’t expect you to be proficient in every technology listed, you should be enthusiastic about collaborating on product development, performance optimization, and scaling real-world applications.Pluggable agentic workload system leveraging Temporal, designed for production-scale operations.Custom websocket data synchronization framework optimized for speed and offline capabilities.Frontend technologies include React, MobX, and styled-components.Robust, widely adopted GraphQL API and SDK.Backend technologies include Node.js, PostgreSQL, Temporal, and Redis.

At Acorns, we are dedicated to supporting the financial well-being of aspiring individuals through innovative micro-investing solutions. Our core values shape our approach to achieving this mission. We lead with heart, making bold decisions, building trust, embracing growth, and finding ways to overcome challenges. We invite you to join us in our commitment to enhancing financial wellness for families everywhere. As a Senior Backend Software Engineer at Acorns, you will play a pivotal role in developing and scaling our essential investment products. This position goes beyond mere execution; you will ensure the technical integrity and evolution of our systems, impacting millions of customers as they build their wealth over time. You will face complex technical challenges, mentor junior engineers, and maintain robust backend infrastructure as we broaden our financial wellness offerings. Our remote-first culture provides you with the flexibility to work from anywhere, with optional access to our office in Irvine, CA.

At OppFi, we are revolutionizing the financial landscape for everyday Americans through our cutting-edge tech-enabled digital finance platform. Partnering with banks, we provide a range of financial products and services designed to support individuals who may be overlooked by conventional financial solutions. Our commitment to transparency, responsibility, and exemplary customer experience fosters financial inclusion and promotes healthier financial lives.Our team is comprised of compassionate, innovative, and diverse individuals who thrive on collaboration and the sharing of unique perspectives. We believe in tackling challenges with creativity and are guided by our core values, which foster an open and collaborative culture that allows us to improve daily. We are looking for passionate individuals eager to make a significant impact in the financial system by enhancing credit access and delivering outstanding customer service.Fun fact: OppFi is proud to be a top-rated online financial platform, recognized with a 4.5/5.0-star rating on Trustpilot. We have been honored as a 2025 Crain’s Fast 50™ company and featured in Built In's 2025 Best Places to Work in Chicago.About The Role:As a Senior Software Engineer on the Core Team, you will play a vital role in the evolution of OppFi’s software ecosystem that constitutes our product portfolio. Your primary responsibilities will involve developing, maintaining, and enhancing the core libraries and documentation utilized by all Application Development teams. In this role, you will:Utilize contemporary technologies including Java, SpringBoot, Docker, AWS, PostgreSQL, EventStoreDB, GitHub, and ArgoCD as the organization evolves.Enhance core libraries to address essential cross-cutting concerns such as security, observability, data encryption, scalability, and resilience.Troubleshoot complex issues in collaboration with Application Developers, vendors, and platform teams.Engage with business and technology professionals across the company in an Agile manner to ensure technical systems align with business requirements.Conduct code reviews, unit and integration testing, and produce high-quality documentation while adhering to industry best practices.Continuously learn new tools and methodologies; we are dedicated to your professional development through internal training, external classes, conferences, and learning materials.Mentor junior engineers and new team members.

Engineering Manager - Core Platform (Forward Deploy)Role OverviewJoin our dynamic team as an Engineering Manager, where you'll spearhead the development of our core platform. Your leadership will shape the technical backbone that enables all enterprise deployments, focusing on creating scalable and reusable infrastructure.This position is centered on both product and platform strategy. You will champion engineering excellence, set high standards and practices, and architect systems that empower our delivery teams. Collaborating closely with Product, Architecture, and client-facing engineering teams, you will ensure our platform evolves to meet the growing needs of enterprises.About A.TeamA.Team is an innovative AI Systems Integrator partnering with Fortune 500 Consumer Packaged Goods and Retail brands. We are developing Assemble, an intelligent AI platform that revolutionizes how enterprise teams collaborate and operate.As we transition from bespoke client solutions to a robust platform model, this role is pivotal in laying the technical groundwork for our next growth phase.Your ResponsibilitiesLeading Platform EngineeringOwn and manage the roadmap and delivery of Assemble's core platform capabilities.Design and implement a scalable infrastructure encompassing data pipelines, knowledge management, agent orchestration, and enterprise integrations.Guide architecture decisions that align immediate delivery goals with the long-term scalability of the platform.Ensure the platform’s reliability, security, and performance at an enterprise scale.Championing Engineering ExcellenceEstablish and uphold engineering standards, development best practices, and code quality across the organization.Lead technical design reviews and architecture discussions to foster innovation.Cultivate an AI-native engineering team by integrating AI into workflows and practices.Mitigate technical debt while ensuring timely project delivery.Develop comprehensive documentation and promote knowledge-sharing practices.Build CI/CD pipelines, testing frameworks, and enhance developer tooling for improved productivity.Team Leadership and DevelopmentLead, mentor, and nurture a team of skilled platform engineers.Conduct one-on-one meetings, performance assessments, and career development discussions.Foster a collaborative and innovative team culture that drives success.