Senior iOS Software Engineer

At Duolingo, we are on a mission to revolutionize education and make it accessible to everyone, everywhere. Join us in this transformative journey!As a vital member of our team, you will tackle intricate technical challenges while collaborating with passionate innovators. Our extensive user base allows us to conduct numerous experiments (over 300 at a time!) that guide our data-driven decisions. You will enjoy boundless opportunities for growth, mentorship from industry leaders, and diverse projects that are not only rewarding but also enjoyable.Become a part of our life-changing mission to educate the nearly half a billion learners around the globe.About the RoleShort Form Area:As a Senior iOS Engineer in our Short Form Area, you will develop key features that enhance the core learning experience on Duolingo. Our short-form lessons are where users invest most of their time, and your role is to enhance these sessions to make them more engaging and effective. You will create new interactive exercises that support learners in mastering skills such as recall and production, while also designing innovative methods to help users build essential language foundations. We seek engineers who are enthusiastic about enhancing educational methodologies.:brain: Your Responsibilities...Collaborate with product design and backend teams on software projectsDevelop, launch, and maintain native iOS applications primarily using SwiftProvide mentorship and establish technical guidance for junior engineers across the organization:check: Your Qualifications...Bachelor’s degree in Computer Science or a related technical disciplineStrong foundation in computer science principles, including data structures, algorithms, and software designProficient programming experience in Swift:star: Exceptional candidates will possess...Advanced proficiency in Swift, with a proven track record of developing and maintaining production-level applicationsIn-depth technical expertise in iOS application development for iPhone/iPad using Swift, Cocoa Touch, and related frameworksExperience in designing intuitive and efficient user interfaces

Role Overview Speechify is looking for an iOS Core Product Software Engineer in Pittsburgh, PA. This role focuses on building and improving the core features of our mobile applications. The work centers on creating software that feels intuitive and reliable for users. What You Will Do Collaborate with product managers, designers, and fellow engineers to deliver updates and new features for Speechify's iOS app Develop software that enhances user experience and encourages engagement Apply iOS development expertise to help shape the direction and quality of our mobile products Location This position is based in Pittsburgh, PA, USA.

Latitude AI (lat.ai) specializes in the development of advanced automated driving technologies, including Level 3 (L3) solutions, for Ford vehicles at scale. Our mission revolves around redefining the driving experience, making it safer, more enjoyable, and less stressful for everyone. Joining the Latitude team means collaborating with top-tier experts in machine learning, robotics, cloud platforms, mapping, sensor technology, and systems engineering, all committed to significantly enhancing the driving experience for millions. As a proud subsidiary of Ford Motor Company, we operate with the agility of a startup while developing cutting-edge automated driving technologies. Our headquarters are located in Pittsburgh, with engineering centers in Dearborn, MI, and Palo Alto, CA.About the Software Factory Team:The Software Factory team is pivotal in creating a seamless developer build experience, essential for developing, testing, and deploying software that aligns with Latitude’s mission. Team members are responsible for the development and maintenance of an end-to-end infrastructure pipeline within a distributed build environment, playing a crucial role in integrating new tools and technologies into a robust, deterministic, and scalable build ecosystem. We utilize and maintain build tooling (Bazel), author build and test tools (Starlark, Python), manage build environments (Docker, containers), and leverage a distributed remote execution and caching system (Buildfarm), while hosting CI/CD resources for developers to test and implement changes (Jenkins).Your Responsibilities: Collaborate with seasoned build engineers boasting decades of experience.Design and implement solutions for the long-term maintenance of software releases.Develop integrations with product teams that enhance the reusability and testability of modular autonomy systems.Measure, inspect, and improve the utilization of the build infrastructure.

Join our dynamic team at Latitude as a Senior Software Engineer specializing in C++ deployment. In this role, you will be instrumental in designing, developing, and implementing high-performance software solutions that enhance our deployment processes. We are looking for a passionate engineer who thrives in a collaborative environment and is eager to solve complex problems.

Role Overview Latitude is looking for a Senior Software Engineer focused on Test Infrastructure. This role centers on strengthening testing frameworks to help deliver reliable software. The position is available in Pittsburgh, PA, Palo Alto, CA, or Detroit, MI. What You Will Do Work closely with teams across engineering, product, and QA to support development efforts. Design, build, and maintain test infrastructure that supports software quality. Help improve and extend frameworks used for automated and manual testing.

Agility Robotics stands at the forefront of robotics innovation. Our flagship robot, Digit, is the first of its kind to be implemented in workplaces worldwide. Our team is distinguished by its expertise in designing, engineering, and delivering robots that possess advanced mobility, dexterity, intelligence, and efficiency—specifically tailored to collaborate with humans in environments made for people. Every day, we tackle engineering challenges and develop groundbreaking solutions that will ultimately make robots an integral part of daily life. This mission fuels our passion: enhancing business productivity and enriching the lives of individuals.About the PositionWe are seeking a Senior Software Engineer to become an integral part of our Skills team, focusing on the integration of perception models into practical robotic applications. In this role, you will spearhead perception integration initiatives aimed at constructing robust, structured representations of the world that can be effectively utilized within robotic workflows. You will take charge of the performance of the perception stack on the robot, engaging with actual hardware and validating your solutions in production scenarios. Collaboration with AIML teams will be essential as you integrate both proprietary and third-party methods to fulfill customer and task-specific requirements. This opportunity is perfect for someone who enjoys hands-on work with real systems, excels at solving end-to-end integration challenges, and is dedicated to ensuring reliable perception performance in production environments.Key ResponsibilitiesDevelop robust perception algorithms and applications that utilize existing models to enhance reliability and simplify estimation in robotic tasks (e.g., stacks, pallets, conveyors, flow racks).Define and maintain reusable APIs to facilitate interactions between the task planner and skills layer with a library of perception capabilities.Integrate perception functionalities with other robotic skills, including manipulation behaviors, using state machines, behavior trees, and task planners.Manage datasets and conduct experiments to validate perception skills under various task conditions and scenarios.

Mission Overview: Join us as a Senior Software Engineer, where you will be integral in crafting and deploying automated workflows, advanced tooling, and insightful analytics to enhance our autonomy stack's scalability. You will be essential in transforming vast datasets into actionable engineering insights, ensuring our software releases are robust, validated, and road-ready. Your Responsibilities: Create Intelligent Tooling: Design and implement advanced automation to analyze and clarify complex system behaviors, utilizing sophisticated data modeling to expedite solutions. Lead Analytics Development: Spearhead the creation of impactful performance visualization tools that convert raw metrics into clear, actionable insights regarding on-road performance. Enhance Release Engineering: Use your expertise to refine our release processes, moving towards a highly automated deployment framework that preserves quality while boosting efficiency. Advance Simulation Capabilities: Elevate our virtual testing environments, ensuring our simulation suites deliver high-fidelity feedback for comprehensive release understanding. Collaborate Across Teams: Engage within a large, multi-disciplinary codebase to guarantee seamless integration across planning, motion, and controls teams. Qualifications We're Seeking: Significant experience in developing production-grade applications, tools, and pipelines using Python. Proficient in navigating and contributing to large, complex codebases with an emphasis on modularity and documentation. Demonstrated success in delivering software in a production environment, with knowledge of CI/CD, version control at scale, and stringent release cycles. A keen curiosity for data and the ability to derive meaningful patterns from complex, high-dimensional datasets. A strong passion for a driverless future and an understanding of the critical nature of deploying software that interacts with the physical world. Bonus Skills (not mandatory): Experience with C++ in a Linux environment. Familiarity with Machine Learning frameworks or Large Language Model (LLM) integration. Background in robotics middleware (ROS, DDS) or autonomous systems.

Role overview This Senior Software Engineer position at Aurora Innovation centers on sensor infrastructure for autonomous vehicles. Based in Pittsburgh, Pennsylvania, the role involves building and refining software that supports the sensor systems critical to self-driving technology. What you will do Design and implement software solutions to strengthen the sensor infrastructure Collaborate with engineers to develop new algorithms and enhance existing ones Optimize system performance for a range of sensor technologies Help improve the reliability and effectiveness of sensors used in autonomous vehicles Collaboration Work closely with a team of experienced engineers. Share knowledge, solve technical problems together, and contribute to advancing Aurora's sensor capabilities.

Join our dynamic team at latitude as a Senior Software Engineer specializing in Machine Learning Platforms. We are looking for a highly skilled and passionate engineer who is eager to innovate and contribute to cutting-edge projects that drive our machine learning initiatives. In this role, you will collaborate with cross-functional teams to develop robust and scalable ML solutions that impact our business and enhance user experiences.As a Senior Software Engineer, you will leverage your expertise in software development and machine learning algorithms to build, optimize, and maintain ML models. You will also play a crucial role in mentoring junior engineers and fostering a culture of continuous learning and improvement within the team.

Join us at latitude as a Senior Software Engineer - Motion Planning where you will be at the forefront of developing advanced motion planning algorithms. This role is crucial in enhancing our autonomous systems and requires a blend of creativity and technical expertise. You will collaborate with a talented team to innovate and create solutions that shape the future of mobility.

Join our innovative team at Motional as a Senior Software Engineer specializing in Autonomous Vehicle Performance Metrics. In this role, you will be instrumental in enhancing the performance and functionality of our cutting-edge autonomous vehicles. You will work closely with a multidisciplinary team of experts to develop algorithms, analyze data, and contribute to the evolution of autonomous driving technologies.

Join us in shaping the future through innovative solutions.Woolpert is a globally recognized leader in architecture, engineering, and geospatial services, celebrated for our blend of design excellence and advanced technology. Our dedicated team is passionate about driving progress and fostering the next generation of industry leaders. As a certified Great Place to Work® , we are committed to innovation and creating boundless opportunities for professional development.Position OverviewWoolpert is seeking a Senior Software Engineer to become a part of our dynamic Atlas Labs team, focusing on our Geospatial sector. This role reports to the Director of Product and AI. Atlas Labs is responsible for advancing technology within Woolpert’s Geospatial sector, encompassing AI model development, research and development, software infrastructure, and user-facing products.Note: We are unable to provide visa sponsorship for this position. Applicants must have existing work authorization in the United States.What You Will Do:Engage in the planning, research, design, architecture, development, and testing of software features for Atlas Labs. Daily coding is essential, primarily in Python, with potential use of C++ or JavaScript.Collaborate within a cross-functional Scrum team alongside experts in AI/ML, Geospatial Data, Software Engineering, and GIS.Work closely with both internal and external users to ensure the accuracy, quality, and availability of Atlas Labs software products.What You Will Bring:Substantial experience with commercial software products.Proficient in writing production-level code in Python, ideally with large datasets.Proven experience or academic background in key areas such as:Geospatial Data ProcessingComputer VisionAI & Machine LearningLiDARRobotics/Self-Driving/AutonomyFamiliarity with relevant technologies including:Linux, Docker, and GitHubAI/ML frameworks (TensorFlow, PyTorch)Cloud platforms (Azure, AWS, Google)Nice to Have:Experience with GIS applications such as ESRI, QGIS.

Join Latitude as a Senior Software Engineer specializing in Time Synchronization and Embedded Networking. We are looking for a passionate engineer to design and implement cutting-edge solutions that enhance network performance and precision timekeeping in embedded systems.

Latitude AI (lat.ai) is at the forefront of developing cutting-edge automated driving technologies, including Level 3 systems for Ford vehicles. Our mission is to transform the driving experience, making travel safer, less stressful, and more enjoyable for all.As part of the Latitude team, you will collaborate with leading experts in machine learning, robotics, cloud platforms, mapping, sensors, and safety engineering. Together, we are dedicated to making a significant, positive impact on the driving experience for millions.Operating as a subsidiary of Ford Motor Company, Latitude maintains the agility of a tech startup while developing automated driving technologies. Our headquarters is in Pittsburgh, with additional engineering centers in Dearborn, Michigan, and Palo Alto, California.Join Our Team:The Performance Prediction team is responsible for creating machine learning models, evaluation pipelines, and internal tools that enable us to monitor how autonomous behavior evolves with each software release. We tackle challenges in behavior classification, ride quality assessment, probabilistic trajectory forecasting, and regression analysis for releases.Our systems integrate both classical and modern ML approaches, employing compact classifiers like tree-based models for behavior and ride quality detection, as well as deep learning models for complex autonomy tasks. We also develop the software infrastructure around these models, including dataset definition, feature generation, training workflows, offline metrics, experiment tracking, and tools for regression inspection at detailed levels.This position is ideal for those who thrive on developing reliable Python systems and implementing rigorous ML evaluation methods in safety-critical environments. The work involves a blend of ML systems development, model evaluation, and internal tooling used by various teams across the autonomy spectrum.

Role Overview Jacobian is looking for a Senior Backend Software Engineer to help build and evolve our AI-powered radiology reporting platform. This role shapes the backbone of our cloud-native backend services and APIs, which support our product teams and set the bar for security, observability, and scalability. What You Will Do Design and implement backend systems and APIs for a cloud-native environment Work closely with product teams to deliver secure and reliable features Set standards for system security, monitoring, and scalability Contribute to both new platform projects and the migration from legacy systems to modern cloud architectures What You Bring Strong background in backend software engineering Experience with data architecture and cloud operations Understanding of security best practices for backend services Ability to work on both greenfield initiatives and legacy system transitions Location and Work Arrangement This is a hybrid role based in Pittsburgh, PA. The position requires 2–3 days per week onsite at our Pittsburgh office.

About UsAt Aurora, our mission is to provide safe, fast, and widespread access to self-driving technology.Explore The Aurora Driver which aims to usher in a new era of mobility and logistics, making transportation safer, more efficient, and more accessible to everyone.Join a team of passionate and intelligent individuals as we tackle complex challenges and expand our expertise. For the latest updates, visit aurora.tech or follow us on LinkedIn.Aurora is committed to hiring individuals from diverse backgrounds to build a transportation ecosystem that enhances road safety, ensures timely delivery of goods, and improves mobility for all.We are seeking a Senior Software Engineer to join our Vehicle Data Management team. This team is responsible for managing data flows, including autonomy sensor data, vehicle logs, simulations, models, and training sets. The ideal candidate will design and implement systems that facilitate efficient communication between physical offloaders and cloud infrastructure.Your Role:Design and implement scalable on-vehicle/offload and cloud data systems that can handle hundreds of petabytes of multimodal data (sensor, log, simulation, and ML datasets).Enhance the reliability and performance of offline data workflows, focusing on throughput, latency, and discoverability (indexing, metadata, search).Create internal tools, libraries, and operational patterns to evolve and scale data pipelines.Manage key services end-to-end, including design, implementation, rollout, operational management, observability, and incident response.Collaborate directly with stakeholders across onboard systems, autonomy, ML, and infrastructure to deliver effective solutions.

About Gray Swan AIAt Gray Swan AI, we are dedicated to safeguarding organizations from the evolving threats in AI security. Our innovative solutions focus on real-time threat detection, automated validation, and adaptive defenses tailored for AI labs and enterprises. With a compact yet skilled team of approximately 25 individuals, we are well-funded and rapidly expanding.Our strong market presence and globally recognized clientele empower our employees with significant responsibilities and meaningful equity from the start. This is a high-ownership environment where you will tackle challenging problems, work swiftly, and contribute to shaping both our products and the company’s future.Many join Gray Swan AI because our mission resonates deeply. We engage in practical, impactful work in AI safety, and this sense of purpose is a key reason why engineers and researchers are drawn to our team.Discover more about our work culture.The RoleWe are seeking a passionate Senior Software Engineer eager to engage in full-cycle development. You will work across the entire stack—frontend, backend APIs, and databases—transforming ideas into tangible products and enhancing existing solutions.While you may not have experience with all the tools we utilize, having a robust full-stack background, the ability to quickly learn new technologies, and the willingness to own your projects without excessive process or oversight is essential. As we are still in our growth phase, individuals who thrive on autonomy, responsibility, and speed will find this opportunity appealing!What You’ll Do:Design and develop web applications utilizing modern frontend frameworks such as Svelte.Create intuitive and user-friendly interfaces that enhance user experience.Develop and maintain backend APIs with tools like FastAPI.Optimize and manage database systems such as MongoDB.Collaborate with our machine learning research team to integrate AI functionalities into our products.Who You Are:Proficient in TypeScript or JavaScript.Experience with frontend frameworks like React, Vue, or Svelte.Strong grasp of HTML and CSS.Hands-on experience in building backend APIs.Familiarity with database systems (SQL or NoSQL; MongoDB experience is a plus).

Join Duolingo as a Senior Platform Engineer, where you'll have the opportunity to shape the future of language learning through innovative technology. In this role, you will work closely with cross-functional teams to design, build, and scale our platform to support millions of users worldwide.

Latitude AI (lat.ai) is at the forefront of developing advanced automated driving technologies, including Level 3 automation, for Ford vehicles at scale. Our mission is to reimagine transportation by making journeys safer, less stressful, and more enjoyable for everyone. Joining the Latitude team means collaborating with top-tier professionals in fields such as machine learning, robotics, cloud platforms, mapping, sensors, compute systems, test operations, and safety engineering—all committed to having a meaningful and positive impact on the driving experience for millions. As a subsidiary of Ford Motor Company, we operate with the agility of a tech startup, headquartered in Pittsburgh, with engineering centers in Dearborn, Michigan, and Palo Alto, California.Meet the Team:The Cloud Platform engineers at Latitude are responsible for designing reusable infrastructure through code, allowing our teams to build scalable and secure solutions. They provide guidance on architecting solutions for optimization, ensuring effective changes are automated and reviewed. This role includes managing our workload ecosystem on Kubernetes across public and hybrid cloud environments.The Cloud Platform team collaborates with various engineering groups, including data ingestion, mapping, machine learning, motion planning, and deployment, to enhance development practices and promote scalable efficiency with cloud-native technologies.What You'll Do: Design and scale a multi-tenant, hybrid-cloud Kubernetes platform to facilitate seamless workload portability across both public and internal environments.Create custom Kubernetes operators and self-service abstractions, simplifying complex infrastructure for autonomous vehicle engineering teams.Enhance performance of distributed workloads...

Join latitude as a Senior Software Engineer specializing in Machine Learning Integration. In this pivotal role, you will leverage your extensive software engineering skills to drive the integration of machine learning solutions into our cutting-edge software stack. Collaborate with cross-functional teams to innovate and enhance our product offerings while ensuring optimal performance and scalability.