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Experience Level
Mid to Senior
Qualifications
Required Qualifications:Over 5 years of experience in designing and developing reliable, scalable, maintainable, high-performance mobile applications. Proficient in Native iOS development (Swift). User-focused mindset with a commitment to delivering exceptional UX. Experience with end-to-end testing frameworks and CI/CD processes. Demonstrated ability in building Mobile SDKs. Attention to best practices in quality and development methodologies. Strong communication and collaboration skills. Preferred Qualifications:Familiarity with React Native or similar modern frontend frameworks. Knowledge of TypeScript/JavaScript. Experience in System Design. Exposure to Mobile AR technologies (ARCore/ARKit). Skills in GPU optimization techniques (e.g., Metal).
About the job
Join our dynamic team as a Senior Mobile Software Engineer and take the lead in the development of cutting-edge mobile applications for the iOS platform. You will be responsible for writing clean and efficient code, mentoring junior developers, and significantly contributing to our mobile strategy.
Working Hours: 9:00 AM - 6:00 PM PST
Key Responsibilities:
Developing high-quality code across the stack to create innovative products that enhance user satisfaction.
Implementing features that empower users to accomplish their tasks more effectively and efficiently.
Collaborating closely with Product Managers, Designers, and QA engineers to continuously elevate the user experience.
Engaging with fellow engineers to architect new systems, refactor existing code, and ensure continuous deployment to production.
As you grow in this role, you will lead new product features and engineering initiatives.
About Miratech
Miratech is at the forefront of technological innovation, assisting visionaries in transforming the world. As a global IT services and consulting company, we merge enterprise and start-up ingenuity to support digital transformation for some of the largest enterprises globally. Our partnerships with both large organizations and emerging players keep us agile and at the cutting edge of technology. Established in 1989, we pride ourselves on a culture of Relentless Performance, leading to a success rate exceeding 99% across our engagements. With a presence on five continents and operations in over 25 countries, we employ nearly 1,000 full-time professionals and experience an annual growth rate of over 25%.
About Sezzle: Sezzle is on a mission to empower the next generation financially by transforming the shopping experience. We combine state-of-the-art technology with seamless, interest-free installment plans, making shopping both smarter and more accessible. Our goal is not just to redefine payments, but to enhance how individuals discover and interact with t…
Salary Range: $3,500 - $6,000 per month (Gross in USD)About Sezzle:Sezzle is on a mission to empower the next generation financially. We are transforming the shopping experience by integrating advanced technology with hassle-free, interest-free installment plans, making shopping smarter and more accessible. Our goal goes beyond payments; we're innovating the way consumers explore, engage with, and purchase their favorite products while significantly boosting merchant sales through higher conversions and order values. Join us in redefining the future of fintech and retail by being part of a vibrant team that creates a unique shopping journey for consumers and merchants alike.About the Role:We are in search of a passionate and skilled Mobile Engineer who excels in both technical and interpersonal skills. This role offers a thrilling opportunity to work in a fast-paced environment as a part of a rapidly growing team, with numerous opportunities for career progression.
About Sezzle: Sezzle is on a mission to financially empower the next generation, transforming the shopping experience with innovative technology that offers seamless, interest-free installment plans. We redefine how consumers discover and purchase their favorite products while significantly boosting merchant sales through better conversion rates and higher order values. As we continue to lead the evolution of fintech and retail, we are building a dynamic and innovative team focused on creating more than transactions—crafting unique shopping journeys. If you are passionate about pushing technological boundaries and enhancing consumer experiences, we invite you to join us at Sezzle and help shape the future of shopping! About the Role: We are looking for a skilled and enthusiastic Mobile Engineer at any level who combines technical expertise with emotional intelligence. This position offers a fantastic opportunity to excel in a fast-paced, collaborative environment with numerous career advancement opportunities. As a Mobile Engineer, you will tackle challenges in our most popular applications, directly impacting our customer experience and product offerings. You will collaborate closely with your team to develop new features and enhancements for our React Native-based mobile application. Additionally, you will support the mobile app as a platform, working alongside engineers from various teams to facilitate larger product launches. As your capabilities expand, so will your involvement in larger, more complex projects. Sezzle fosters a strong culture of promotion with clearly defined career paths in Engineering tailored to all levels. You will be part of a full-stack engineering team with diverse expertise.
Join our dynamic team as a Senior Mobile Software Engineer and take the lead in the development of cutting-edge mobile applications for the iOS platform. You will be responsible for writing clean and efficient code, mentoring junior developers, and significantly contributing to our mobile strategy.Working Hours: 9:00 AM - 6:00 PM PSTKey Responsibilities:Developing high-quality code across the stack to create innovative products that enhance user satisfaction.Implementing features that empower users to accomplish their tasks more effectively and efficiently.Collaborating closely with Product Managers, Designers, and QA engineers to continuously elevate the user experience.Engaging with fellow engineers to architect new systems, refactor existing code, and ensure continuous deployment to production.As you grow in this role, you will lead new product features and engineering initiatives.
The salary range for this role is $2,200 - $6,000 per month (Gross in USD) About Sezzle: Sezzle is on a mission to empower the next generation financially. We are transforming the shopping experience with innovative technology and interest-free installment plans, making shopping more accessible and smarter. Our goal is not just to change payments, but to redefine how consumers discover and purchase their favorite products while significantly boosting merchant sales through heightened conversions and larger order values. As we pave the way for the future of fintech and retail, we are assembling a dynamic team that is passionate about creating a distinctive shopping journey. If you are eager to innovate in technology and deliver transformative experiences for both consumers and merchants, join us at Sezzle and help shape the future of shopping! About the Role: We are in search of a skilled and enthusiastic Mobile Engineer who excels both technically and interpersonally. This position offers an exciting opportunity to flourish in a fast-paced environment as part of a rapidly expanding team, with plentiful opportunities for career growth. Compensation The compensation range for this role is as follows: Mid: $3,500 - $6,000 USD per month Junior: $2,200 - $3,500 USD per month Key Role Responsibilities: Take ownership and develop new features within our cross-platform TypeScript React Native app and Golang backend APIs. Oversee our releases, utilizing tools like cohorting, feature flags, and app-store infrastructure to ensure safe rollouts to our millions of active users. Maintain strong collaboration with product, design, and business teams to ensure stakeholder needs are addressed. Collaborate with the team to consistently produce clean, scalable, robust, and testable code. Gain an in-depth understanding of your application, data domains, and KPIs. What We Look For: 3+ years of professional mobile development experience, with at least 6 months in React Native or similar technologies.
Join Our Team at TruelogicTruelogic is a premier provider of nearshore staff augmentation services, proudly headquartered in New York. With a legacy spanning over two decades, we specialize in delivering outstanding technology solutions to a diverse clientele, from pioneering startups to established industry leaders. Our mission is to facilitate our partners' digital transformation journeys with innovative solutions.Our dynamic team of over 600 tech professionals across Latin America is passionate about driving digital disruption. We collaborate closely with U.S. companies on their most vital projects, ensuring impactful outcomes whether we’re working with Fortune 500 companies or agile startups.As you consider this position, know that you are stepping into a vibrant environment that values your skills and aspirations. At Truelogic, we are committed to aligning your expertise with opportunities that promote exceptional career growth and contribute to transformative projects that shape the future.Our ClientOur client is revolutionizing digital intimacy with a high-growth platform focused on real-time media sharing among close circles. Supported by top-tier Silicon Valley investors, they have rapidly scaled to millions of daily active users by emphasizing authentic connections over conventional algorithm-driven feeds. They are pioneering a new category of mobile-first experiences designed to bring users closer to their inner circles globally.Position OverviewAs a Senior React Native Developer, you will lead the development of our Android ecosystem by translating high-performance features from an established iOS environment. In collaboration with a cohesive mobile team, you will design and enhance core functionalities to guarantee feature parity and a smooth user experience for a vast global audience.
Dev.Pro is building a new mobile advertising platform, expanding on established web-based AdTech capabilities. The team values diverse perspectives and aims to create an inclusive, supportive workplace. This role is fully remote, based in Bogotá, Colombia. Role Overview The Senior Mobile AdTech Engineer will help develop a mobile SDK for ad serving in mobile apps and webviews. The focus is on delivering strong performance, scalability, and effective monetization. Candidates with a background in header bidding, embedded ad stacks, or mobile monetization frameworks are encouraged to apply. What You Will Do Design and build a high-performance mobile advertising SDK for iOS and/or Android Apply header bidding principles (such as Prebid Mobile) within mobile ecosystems Optimize ad rendering speed, reduce latency, and improve fill rates Integrate with multiple demand sources, ad exchanges, and internal bidding systems Ensure SDK reliability across a broad range of devices, OS versions, and app environments Technical Stack React Native, iOS (Swift/Objective-C), Android (Kotlin/Java) Mobile SDK development Webviews and hybrid rendering API integrations with ad exchanges and bidding systems AWS-backed services Requirements At least 5 years of experience in mobile engineering (iOS and/or Android) Proven ability to build or integrate mobile SDKs Understanding of mobile AdTech, including mediation, header bidding, or SDK-based monetization Knowledge of ad rendering in webviews and native contexts Strong debugging skills across mobile environments and network layers Experience optimizing performance in resource-constrained settings Nice to Have Experience with Prebid Mobile or similar frameworks Background working with embedded SDKs outside AdTech (such as analytics or payments)
Role overview Sezzle seeks a Software Engineer II to join its Marketing and Mobile group. This remote role is open to candidates based in Colombia. The focus is on building and refining mobile applications and marketing platforms that drive user engagement and enhance the customer experience. Key responsibilities Develop and improve mobile applications and marketing technology systems. Collaborate with cross-functional teams to identify and implement effective approaches in mobile and marketing technology. Apply technical expertise to deliver solutions that boost user engagement and satisfaction. Collaboration This position involves close teamwork with engineers, product managers, and other stakeholders. The goal is to deliver new features and improvements that align with Sezzle's marketing and mobile objectives.
Join our dynamic team at monks as a Senior iOS Engineer, where you'll be at the forefront of innovative mobile application development. Your expertise in iOS technologies will drive the creation of high-quality, user-friendly applications that captivate our clients and enhance their experience. Collaborate with cross-functional teams, contribute to architectural discussions, and mentor junior developers.
About YouAs an accomplished Senior QA Automation Engineer, you excel in developing robust and scalable automated testing solutions for intricate real-world systems. Your innate curiosity fuels a thorough understanding of product functionality and user experience. You meticulously validate every aspect—from UI to backend services and integrations—to ensure a seamless and reliable user experience.You thrive in complex environments, leveraging strong collaboration skills with engineering and QA teams to identify risks early, enhance test coverage, and build confidence in every software release. For you, automation is not just about efficiency; it serves as the cornerstone of product integrity and trust.This is a hybrid position based in Bogotá, Colombia, and requires availability for on-site collaboration.
Join Hire Hangar and collaborate with rapidly expanding global enterprises while cultivating a long-term remote career.Job Title: Senior Technical Project Manager – Mobile & App StoreLocation: RemoteTime Zone: Flexible / Aligned to HQ Time ZoneRole Overview: We are seeking a Senior Technical Project Manager who has extensive experience in the mobile consumer landscape. This role requires an individual who understands what it takes to create beloved applications, skillfully navigate the App Store, and deliver work that garners the trust of exceptional engineering teams.This position demands ownership and initiative. You will spearhead the mobile product roadmap, collaborate closely with engineering teams on technical decisions, and apply a keen B2C focus to everything from onboarding processes to AI-enhanced core functionalities. If you prefer to remain passive in meetings or rely on others to define the technical direction, this position is not for you.
Join our dynamic team at Jobbatical as a Global Mobility Agent, where you will play a crucial role in assisting individuals with their relocation and integration processes. This is a remote position based in Spain, allowing you to work from the comfort of your home while contributing to our global mission of facilitating international work opportunities.
Role Overview:Join Rehire as we partner with an innovative technology company seeking a talented Android Mobile Developer. In this role, you will leverage your expertise in Kotlin to design and develop cutting-edge Android applications.We are in search of a proactive individual contributor who possesses a strong background in creating production-quality Android apps. This position requires taking ownership of projects, demonstrating technical expertise, and collaborating effectively with both local and US-based teams.Key Responsibilities:Architect, develop, and maintain scalable and high-performance Android applications using Kotlin.Optimize application performance, ensuring responsiveness and efficient memory management.Take responsibility for assigned features, articulating your technical decisions clearly.Collaborate with cross-functional teams, including product, design, and QA.Manage releases and deployments to the Google Play Store.Maintain a high development velocity and deliver on sprint commitments.Participate in code reviews and contribute to improving development workflows.Requirements:3 to 8 years of professional experience in mobile development.At least 2 years of hands-on experience with Kotlin and the Android SDK.Strong grasp of Android development principles, including architecture patterns and lifecycle management.Proven experience in shipping and maintaining production-level Android applications.Excellent communication skills and the ability to work with distributed teams.Experience in Agile methodologies.About the Position:· This is a full-time remote position on a contractor basis.· Duration: 6 months with possible extension.· Work schedule is Monday to Friday, from 9:00 AM to 6:00 PM (US Eastern Time).
Join Truelogic, a pioneering Mobility-as-a-Service company, as a Senior Data Engineer. In this role, you will leverage your expertise in data engineering to design and implement scalable data solutions that drive our innovative services. You will collaborate with cross-functional teams to enhance data pipelines and contribute to the optimization of our mobility solutions.
Company: ThriveCart Location: Remote (Colombia) About ThriveCart ThriveCart builds a no-code sales platform tailored for digital course creators, coaches, entrepreneurs, and online businesses. Over 65,000 businesses use ThriveCart to serve 12 million students and drive more than $2 billion in annual sales. The platform includes tools for high-converting checkouts, affiliate campaign management, and integrated learning management through Learn and Learn+. Role Overview The Senior Fullstack PHP Software Engineer will help extend and improve both backend services and frontend interfaces, focusing on our funnel and onboarding builder. This work shapes how thousands of customers design and manage their checkout flows. The role involves working with both modern code (object-oriented PHP, Laravel or Symfony, React) and legacy systems. You'll ship new features, support ongoing modernization, and ensure the platform remains reliable and user-friendly. Collaboration is central, expect to work closely with engineers who care about clean code and practical solutions. The Editor 2.0 Team This team owns the funnel and onboarding builder: a visual editor for designing checkout experiences. The UI includes real-time previews, component management, and deep integrations across the platform. Tech Stack PHP (Laravel or Symfony, object-oriented) React for the editor UI MySQL or PostgreSQL, Redis, RabbitMQ REST APIs, Composer, PHPUnit, Docker, CI/CD pipelines Frequent deployments (multiple times per week) Code quality supported by PHPStan, PSR standards, and structured code reviews Team Environment Small, autonomous group (4–5 engineers) Engineers own projects from start to finish Direct collaboration with product and design teams
Join Boldteam as a Senior Backend EngineerFounded in May 2019, Boldteam is a dynamic fintech startup created by a group of exceptional individuals with unparalleled experience, including the creators of PayU Latam and other technology experts. We are dedicated to developing innovative payment and banking solutions for small and medium-sized enterprises (MiPymes), freelancers, and entrepreneurs across Colombia. To date, we have successfully served over 450,000 clients and secured more than USD $120 million in investment funding from both domestic and international sources, establishing ourselves as one of the fastest-growing fintech startups in Latin America.At Bold, we offer a payment solution that enables micro-entrepreneurs to accept card payments and digital wallets through point-of-sale terminals and payment links. However, our vision extends beyond payments; we aspire to become a comprehensive platform offering financial and technological services tailored for small businesses, integrating payment solutions with an array of complementary software products that enhance our value proposition.Our mission is to unlock the potential of entrepreneurs. We firmly believe in empowering small business owners by providing customized financial and technological services that are accessible and user-friendly.Our organizational culture is founded on core values that include Mastery, Critical Thinking, Teamwork, Urgency, Openness, and a Customer-Centric Approach.For more information about Boldteam, visit our website: https://bold.co/Role OverviewAs a Senior Backend Engineer, you will be instrumental in building the core products of Boldteam. You will collaborate with your team to develop APIs and services designed using serverless and self-service architectures, utilizing Python as your primary programming language. We are seeking developers to join our Banking and Payments teams.Your role will involve close collaboration with Frontend Developers, Mobile Developers, DevOps specialists, and Testers to ensure that our standards are met within an agile and lean environment.Key ResponsibilitiesUtilize Python in your daily tasks.Design, build, and maintain APIs deployed on AWS.Create and maintain unit and integration tests.Contribute to architectural decisions and selection of tools and processes.Provide constructive feedback and insights.Thrive in a fast-paced and ambiguous environment.Benefits Prepaid medical assistance Company stock options
Salary Range: $5,000 - $9,500 per month (Gross in USD)About Sezzle:At Sezzle, we empower the next generation financially by transforming the shopping experience. We blend state-of-the-art technology with interest-free installment plans, making shopping more intelligent and accessible. Our mission goes beyond just payments; we aim to redefine how consumers discover, engage with, and purchase their favorite products while significantly enhancing merchant sales through improved conversion rates and higher order values. As we continue to innovate in fintech and retail, we are building a dynamic team focused on creating an exceptional shopping journey. If you are passionate about technology and eager to deliver groundbreaking solutions for consumers and merchants, we invite you to join Sezzle and help shape the future of shopping!About the Role:We are looking for a highly skilled and motivated Senior Software Engineer who possesses both exceptional technical acumen and emotional intelligence. This role offers a unique opportunity to excel in a fast-paced environment within a rapidly expanding team, with numerous chances for career progression.As a Senior Software Engineer at Sezzle, you will collaborate with a dedicated team to solve intriguing and challenging problems across various departments. Your expertise will guide other team members in enhancing their skills.In this backend-oriented position, you will closely interact with stakeholders from Product, Support, and the broader business. You will partner with different engineering teams to deliver high-quality, scalable, and innovative solutions to both internal and customer-related challenges. Your daily tasks will involve designing, developing, and delivering new features, as well as mentoring and assisting your teammates.Your contributions will significantly impact the daily operations of your colleagues at Sezzle, enhancing their ability to support our business and customers, while you will have opportunities to iterate based on feedback.
Our Mission We are on a journey to revolutionize higher education by accelerating innovation and expanding access to unparalleled educational opportunities. Woolf's mission is to provide world-class higher education that is recognized globally and transferable across institutions. We empower qualified educational organizations to launch elite programs that confer academic credits and accredited degrees.Woolf University is a unique collegiate institution inspired by the prestigious models of the University of Oxford and Delhi University. We proudly stand as the first global collegiate university that enables other educational organizations to join as member colleges and confer degrees. Among our partners are some of the fastest-growing EdTech companies in the world, including UpGrad, Scaler, GoIT, EduBridge, AlmaBetter, and more.Our Team Our team is fully remote and dispersed globally, driven by a proactive approach to achieving our mission. We value emotional intelligence and humility, and we are dedicated to excellence. Our esteemed investors include First Round Capital, known for backing companies like Notion, Roblox, Uber, and Square, as well as Connect Ventures, IOVC, All Access Fund, and Tribe Capital.The OpportunityWoolf is seeking a passionate and results-oriented Senior Software Engineer to join our engineering team. In this pivotal role, you will enhance the technical foundation of our core product, ensuring its scalability and resilience for the long term. Your responsibilities will include accelerating feature development while maintaining high standards of reliability and performance, minimizing engineering bottlenecks, and elevating our code quality.What You’ll Do:Design, architect, and implement scalable and reliable backend and frontend systems that align with key product initiatives.Work collaboratively with product and design teams to transform user needs into sustainable technical solutions.Take full ownership of significant technical components from initial design to deployment and ongoing optimization.Lead architectural discussions, making informed decisions that balance scalability, maintainability, and speed of delivery.Promote code quality by writing clean, well-tested code and establishing best practices for testing, CI/CD, and observability.Conduct thorough peer reviews and actively mentor junior and mid-level engineers to enhance team performance.Contribute to long-term technical strategy, influencing the roadmap for product architecture and infrastructure.
About NextLink LabsNextLink Labs is an innovative technology firm dedicated to empowering organizations in the development, scaling, and secure management of their software applications. We are committed to ensuring that technology is utilized effectively and securely, enabling our clients to excel in their industries.As a remote-first organization with a diverse team across the country, we prioritize creating a comfortable and collaborative work environment. We strive to uphold an inclusive workplace where everyone can achieve professional success while enjoying a balanced life outside of work.Position SummaryWe are looking for a proactive Senior Rust Developer with extensive experience in systems programming and distributed services to join our Custom Software Development consulting team. In this pivotal role, you will be responsible for designing and maintaining scalable backend services and APIs, seamlessly integrating with our clients’ engineering teams.As a Senior Rust Developer, you will create robust backend systems using gRPC, event sourcing, and actor-based concurrency, while making critical architectural decisions to swiftly deliver features for enterprise applications built on Clean Architecture and CQRS patterns. If you are a self-driven engineer eager to take ownership of your work, we would love for you to join our team at NextLink Labs.
Dev.Pro builds projects that reach millions worldwide. The team values diversity, inclusion, and a supportive workplace where people drive progress. Role Overview Dev.Pro is hiring a Senior JavaScript / Prebid Engineer to help develop an advanced advertising platform. This system uses a lightweight JavaScript and React widget to display dynamic local classified listings on publisher websites. The platform relies on a custom header bidding setup built with Prebid.js and runs entirely on Amazon Web Services. This role focuses on improving and scaling the bidding infrastructure and on-page rendering engine. Candidates should bring significant experience in AdTech or high-performance frontend systems. What You Will Do Design and optimize a custom Prebid.js-based header bidding stack Develop and maintain high-performance JavaScript integrations for publisher sites Improve latency, auction effectiveness, and yield optimization for ad units Create and enhance React widgets for dynamic local listings Work on bidder integrations, adapters, and partnerships with demand partners Troubleshoot complex issues across browsers and with third-party scripts Technical Skills Strong JavaScript (ES6+) skills; TypeScript experience preferred Experience with React for widget rendering Familiarity with Prebid.js and header bidding Knowledge of AWS services such as Lambda, CloudFront, and S3 Understanding of real-time data flows and event-driven architectures Who Will Succeed 5+ years working as a JavaScript engineer Deep understanding of browser performance, async loading, and script execution Background in AdTech (Prebid, GAM, DSPs, SSPs) or other high-scale JS and real-time systems Comfortable with header bidding concepts: auctions, bid requests, and latency trade-offs Skilled at debugging third-party script conflicts and optimizing page performance Adaptable in a product-focused setting Location: Remote , Bogotá, Bogota, Colombia
