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Senior Software Engineer - Mobile Jobs

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Senior Software Engineer
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Join BCX Labs at Microsoft as a Senior Software Engineer. Design and build innovative AI-driven solutions for Microsoft 365, collaborating with top engineers and researchers. This role requires 4+ years of coding experience in C++, C#, Python, or Java. Accelerate your career while shaping one of ...
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United States , Multiple Locations
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119800.00 - 234700.00 USD / Year
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Microsoft Corporation
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Senior Software Engineer
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Join Microsoft in Redmond to shape the future of AI with Project Sophia. As a Senior Software Engineer, you'll build disruptive, AI-first applications using modern stacks like .NET/React and LLMs. Design and ship end-to-end features on an infinite AI canvas, from backend services to intelligent U...
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United States , Redmond
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119800.00 - 234700.00 USD / Year
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Microsoft Corporation
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Senior Software Engineer (Fullstack)
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Join a remote-first team in Argentina building an AI-native Digital Experience Platform. As a Senior Fullstack Engineer, you'll design scalable systems using Node.js, TypeScript, and AWS. We seek a proactive leader with 7+ years' experience to drive key projects in a collaborative, agile environm...
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Argentina
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G2i Inc.
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Senior Software Engineer for Code Reviewing LLM Data Training
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Join our team as a Senior Software Engineer specializing in Swift code review. You will audit AI-generated code evaluations, ensuring quality, functionality, and adherence to guidelines. This remote role requires 5-7+ years of Swift expertise and strong QA skills. Weekly pay provided.
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G2i Inc.
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Senior Software Engineer for Code Reviewing LLM Data Training
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Join our team as a Senior Software Engineer specializing in code review. Utilize your 5-7+ years of Java expertise to audit AI-generated code evaluations, ensuring quality, functionality, and adherence to guidelines. This remote role is pivotal for training advanced LLMs, requiring strong analyti...
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G2i Inc.
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Senior Software Engineer for Code Reviewing LLM Data Training
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Seeking a Senior Software Engineer with deep R expertise to review AI-generated code evaluations. You will ensure annotation quality, validate code functionality, and provide expert feedback. This remote role requires 5-7+ years of R development and strong QA skills. Join a cutting-edge project t...
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G2i Inc.
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Senior Software Engineer for Code Reviewing LLM Data Training
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Join our team as a Senior Software Engineer specializing in code review. Utilize your 5-7+ years of C/C++ expertise to audit AI-generated code evaluations, ensuring quality, functionality, and security. You will validate code, provide feedback, and maintain high annotation standards within struct...
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G2i Inc.
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Senior Software Engineer for Code Reviewing LLM Data Training
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Join our team as a Senior Software Engineer specializing in Kotlin code review. You will ensure the quality of AI-generated code evaluations by auditing annotator work for correctness and adherence to guidelines. This role requires deep Kotlin expertise, QA experience, and excellent communication...
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G2i Inc.
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Senior Software Engineer, Anti-Abuse & Security
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Join Replit's Anti-Abuse team as a Senior Software Engineer in Foster City. Apply your security engineering and Python/TypeScript skills to defend an AI-native platform from novel threats like prompt injection and LLM abuse. You'll build automated detection systems and AI guardrails, turning comp...
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United States , Foster City
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190000.00 - 240000.00 USD / Year
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Replit
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Senior Software Engineer
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Join Microsoft's Planner team in Hyderabad as a Senior Software Engineer. Develop cutting-edge, AI-powered cloud solutions at scale using languages like C# or Python. Collaborate in an agile environment to build the future of productivity for millions. Bring your 4+ years of back-end experience a...
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India , Hyderabad
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Microsoft Corporation
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Senior Software Engineer - Python & React
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Join 3Pillar in Costa Rica as a Senior Software Engineer. Leverage your 5+ years of expertise in Python, React, and enterprise systems to architect transformative solutions. You will drive innovation in agile projects, mentor peers, and ensure high-quality, scalable code. Enjoy benefits like medi...
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Costa Rica
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3Pillar Global
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Senior Software Engineer - Python & React
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Join 3Pillar Mexico as a Senior Software Engineer. Leverage your 5+ years of expertise in Python, React, and enterprise systems to architect transformative solutions. You will drive client success through agile development, mentoring, and building scalable, high-quality software. Enjoy benefits i...
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Mexico
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3Pillar Global
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Senior Staff Software Engineer, Replit Cloud
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Lead the development of Replit's core cloud infrastructure as a Senior Staff Software Engineer. Drive major projects from concept to launch, solving complex technical challenges with TypeScript, Go, and Terraform. This Foster City-based role offers competitive salary, equity, and comprehensive be...
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United States , Foster City
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265000.00 - 390000.00 USD / Year
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Replit
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Senior Software Engineer
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Join Valon as a Senior Software Engineer to disrupt the mortgage industry with AI. Build scalable, robust systems from scratch in a fast-paced startup environment. Work with a top-tier team in New York or San Francisco, enjoying competitive pay, equity, and comprehensive benefits.
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United States , New York; San Francisco
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180000.00 - 230000.00 USD / Year
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Valon Tech
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Senior Software Engineer
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Join Dandy as a Senior Software Engineer to build the backbone of our custom manufacturing supply chain. This full-stack role requires 6+ years of experience, expertise in backend async systems, and comfort with 50% travel to Indianapolis. You'll develop routing logic, optimize complex systems, a...
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United States
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201450.00 - 237000.00 USD / Year
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Dandy
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Senior Software Engineer
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Join Lambda's SI Partnerships team as a Senior Software Engineer. Build cutting-edge, full-stack features using React, TypeScript, Python, and AWS for top AI companies. Enjoy a collaborative role in San Francisco, Bellevue, or San Jose with competitive pay, equity, and comprehensive benefits. Own...
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United States , San Francisco; Bellevue; San Jose
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255000.00 - 445000.00 USD / Year
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Lambda
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Senior Software Engineer
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Join Cape as a Senior Software Engineer to build resilient, privacy-first telecommunications infrastructure. You'll design secure, scalable systems using Golang, Rust, or Java in New York or DC. Enjoy top benefits like full medical coverage, unlimited PTO, and 401(k) matching.
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United States , New York, NY; Washington, DC
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Cape
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Senior Software Engineer, Streaming Platform
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Join Sentry's Streaming Platform team in San Francisco to build next-gen, high-scale data infrastructure. Design and operate resilient systems using Kafka, Python/Rust, and cloud technologies. Enjoy competitive compensation, equity, and health benefits while solving complex real-time streaming ch...
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United States , San Francisco
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190000.00 - 280000.00 USD / Year
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Sentry
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Senior Software Engineer - CAD/3D Algorithms
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Join Dandy as a Senior Software Engineer specializing in CAD/3D Algorithms. Develop advanced, manufacturing-aware geometry algorithms using modern C++ and libraries like CGAL. You'll build CAD/CAM tools, integrate AI, and work with WebGPU/WASM to disrupt the dental lab industry. This US-based rol...
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United States
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176800.00 - 237000.00 USD / Year
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Dandy
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Senior Software Engineer
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Join a high-growth NYC startup as a Senior Software Engineer. Own end-to-end features using modern tech like Java, TypeScript, and AWS. Enjoy equity, premium benefits, and shape a product impacting millions.
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United States , New York City
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170000.00 - 225000.00 USD / Year
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Adaptive Security
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About the Senior Software Engineer - Mobile role

Explore senior software engineer - mobile jobs and discover a pivotal career at the intersection of innovation and user experience. A Senior Software Engineer specializing in mobile development is a seasoned professional responsible for architecting, building, and maintaining high-performance applications for iOS and Android platforms. This role transcends basic coding; it involves making critical architectural decisions, setting technical direction, and ensuring the delivery of robust, scalable, and engaging software to millions of users.

Professionals in these roles typically shoulder a wide array of responsibilities. They design and develop complex features, write clean, efficient, and maintainable code, and rigorously test their work. A key duty is optimizing application performance and responsiveness, ensuring smooth animations and minimal load times. They are expected to solve the most challenging technical problems, often debugging deep into the native layer or complex JavaScript bridges. Collaboration is fundamental, as they work closely with product managers, designers, and other engineers to translate product vision into technical reality. Furthermore, senior engineers are leaders and mentors, elevating team standards through code reviews, sharing knowledge, and advocating for best practices in software craftsmanship and agile methodologies.

The typical skill set for these mobile jobs is comprehensive. Expertise in core mobile development frameworks is essential—this includes deep proficiency in native languages like Swift/Kotlin or cross-platform technologies like React Native or Flutter. A strong grasp of computer science fundamentals, software architecture patterns (like MVVM or Clean Architecture), and modern development practices (CI/CD, automated testing) is mandatory. These roles require a performance-first mindset, with skills in profiling and debugging using tools like Xcode Instruments and Android Studio Profilers. Familiarity with RESTful APIs, state management, and modern toolchains is standard. Beyond technical acumen, successful candidates demonstrate strong problem-solving abilities, proactive communication, and a user-centric approach to building products.

When searching for senior software engineer - mobile jobs, candidates can expect requirements to emphasize substantial professional experience in shipping mobile applications, a proven track record of technical leadership, and the ability to navigate the full development lifecycle from concept to deployment and iteration. This career path offers the opportunity to shape the digital experiences of a global audience and drive technological excellence within dynamic engineering teams.

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