Kotlin jobs in Los Angeles, CaliforniaCreate job alerts

A venture-backed AI security SaaS company is looking to hire a Senior Software Engineer to support the design and development of AI-powered applications used by enterprise security teams. This role focuses on building scalable, user-facing software that enables organizations to shift from reactive threat response to proactive threat prevention through intelligent automation. You will work on modern, cloud-based applications that power security operations for Fortune 500 customers, collaborating closely with cross-functional teams to deliver high-impact, production-ready solutions. The ideal candidate has strong experience in Java, Kotlin, and JavaScript, enjoys ownership in a fast-growing SaaS environment, and is comfortable working within modern cloud and DevOps ecosystems. Experience with AI integrations (Claude, Anthropic, Gemini) is a strong plus. Key Responsibilities Design, develop, test, and maintain backend services using Java and Kotlin (Spring Boot). Build and enhance user-facing applications using JavaScript and modern frontend technologies. Develop and maintain GraphQL APIs and scalable service architectures. Design and optimize data storage solutions using PostgreSQL. Deploy and manage cloud-native applications in AWS environments. Work with Kubernetes and Terraform to support infrastructure-as-code and containerized deployments. Implement and maintain CI/CD pipelines to enable automated testing and deployments. Collaborate using Git-based workflows and participate in code reviews to ensure high-quality engineering standards. Partner with product and engineering teams to translate business needs into scalable technical solutions. Contribute to AI-driven feature development and integrations where applicable. The Offer Base Salary: $165,000 – $175,000 + Equity You will receive the following benefits: Medical, Dental, and Vision insurance \n401(k) match \nComprehensive Benefits Package \nPaid Time Off Location Onsite: El Segundo, CA \n \n#LI-SV1

Job DescriptionDescriptionSKIMS is a solutions-oriented brand creating the next generation of underwear, loungewear, shapewear, and essentials. We are setting new standards by delivering technically innovative, comfort-driven products with elevated design for everybody. At the intersection of culture, innovation, and commerce, SKIMS is a global brand redefining modern apparel. Our teams are built on creativity, collaboration, and operational excellence, and we are committed to fostering an inclusive, high-performance environment where ambitious, curious, and values-driven individuals can do the best work of their careers. As we continue to scale globally, our HQ teams play a critical role in shaping strategy, building world-class infrastructure, and driving sustainable growth across markets. We are seeking an experienced Senior Mobile App Engineer to help build, scale, and continuously evolve the SKIMS DTC mobile application. In this role, you will contribute to a production-grade Flutter application supporting a rapidly growing global fashion brand, delivering high-impact features across shopping, personalization, loyalty, and seamless checkout experiences. The ideal candidate brings deep expertise in Flutter, strong command of clean architecture and scalable mobile patterns, and a passion for crafting performant, intuitive, and conversion-driven mobile commerce experiences. You thrive in fast-paced environments, take ownership of technical quality, and are motivated by building products used by millions of customers worldwide. Key Responsibilities Required: • 5+ years professional software engineering with 3+ years Flutter/Dart development, • Shipped production Flutter apps to App Store and Play Store at scale, • Expert-level Flutter and Dart with strong null safety practices, • BLoC pattern (flutter_bloc) and clean architecture (domain/data/presentation layers), • Code generation tools: Freezed, JSON Serializable, Retrofit, Injectable/GetIt, • Local storage solutions: ObjectBox, Hive, or similar embedded databases, • Dio networking with RESTful API integrations and error handling, • Comprehensive testing: unit, widget, BLoC tests with mocktail/bloc_test, • E-commerce experience: shopping cart, checkout, product catalogs, user authenticationPreferred:, • Firebase ecosystem: Analytics, Crashlytics, Remote Config, Cloud Messaging, • Multi-platform analytics (Braze, Sentry, Google Analytics, QuantumMetrics), • Shopify API or headless commerce platform experience, • Marketing automation (Klaviyo, Braze) and push notification implementation, • CI/CD with GitHub Actions, • Platform channels with native iOS (Swift) and Android (Kotlin)a, • Design and develop high-quality Flutter features following BLoC pattern and clean architecture, • Build complex, performant UIs with pixel-perfect design implementation and smooth animations, • Integrate third-party services: Shopify APIs, payment gateways, analytics platforms, CMS, • Implement repository pattern with abstract interfaces and domain models, • Write comprehensive unit, widget, and integration tests (80%+ coverage target), • Optimize app performance, memory usage, and crash-free rates, • Conduct code reviews and mentor junior developers on Flutter best practices, • Manage CI/CD pipelines and coordinate app releases, • Collaborate with product, design, and backend teams on feature planning and technical decisions, • Monitor production metrics via Crashlytics/Sentry and proactively resolve issuesWhat We're Looking For Technical Excellence: • Deep understanding of Flutter internals, widget lifecycle, and performance optimization, • Expertise in complex state management with BLoC and reactive programming (RxDart, Streams), • Strong architectural decision-making balancing scalability, maintainability, and performance, • Proficiency with code generation workflows and dependency injection patterns, • Experience debugging across Dart, Flutter framework, and native platform layersE-Commerce & Product Mindset:, • Understanding of mobile commerce user journeys and conversion optimization, • Experience with high-traffic consumer applications, • Customer-centric approach with data-driven decision making, • Familiarity with payment flows, loyalty programs, and personalizationCollaboration & Leadership:, • Excellent communication skills with technical and non-technical stakeholders, • Ownership mentality - driving features from design through production, • Proven mentorship capabilities and knowledge sharing, • Team-first attitude with positive, collaborative approach, • Comfortable with ambiguity and defining technical requirementsWhy Join Us, • Build a high-visibility consumer app used by millions in a premier fashion brand, • Shape technical architecture and engineering culture of a rapidly scaling platform, • Work with world-class design, product, and engineering teams, • Solve challenging problems in mobile commerce, personalization, and performance, • Continuous learning with cutting-edge Flutter technologies and best practices, • Up to 100% Company Paid Healthcare (medical, dental, vision), • Kind Body Fertility Benefits, • 401(k) savings plan with up to 4% match, • Unlimited PTO, • Full Access to LinkedIn learning, • Employee Discounts Perks (HQ Location), • Free weekly catered lunch at HQ – M/T/W/Th, • Dog-Friendly office on a Thursday and Friday, • Free Swag Giveaways, • Annual Holiday Party, • Annual Summer Party, • Invitations to pop-ups and other company events, • Complimentary daily office snacks and beverages

Job Description About the Role We’re building a next-generation Fleet Operations Platform to power large-scale vehicle networks: integrating ride-share systems, IoT telemetry, real-time data pipelines, and AI-driven optimization. This role is heavily focused on backend system design and large-scale distributed architecture, not just building CRUD APIs. You’ll work on: • High-throughput telematics ingestion (GPS, sensors, diagnostics), • Distributed, event-driven systems at scale, • Optimization engines for dispatch, routing, and revenue, • AI-native workflows powered by modern LLMs Responsibilities • Design and build scalable backend services for fleet operations, • Architect event-driven systems (Kafka / Pulsar), • Develop real-time data pipelines (IoT + telemetry ingestion), • Implement optimization algorithms (routing, scheduling, matching), • Work closely with Data/ML engineers on prediction + optimization systems, • Own services end-to-end (design → build → deploy → operate), • Integrate external APIs (rideshare networks, telematics providers), • Ensure high reliability, observability, and performance AI-Native Engineering (Required) We are an AI-native engineering team. You are expected to: • Use Claude, Codex, Gemini in daily development workflows, • Apply AI for:, • Code generation & refactoring, • Debugging distributed systems, • System design exploration, • Build systems that are AI-augmented by design Technical Stack Backend & Core Systems • Kotlin / Java (Micronaut), • PostgreSQL, Redis, • Kafka or Pulsar, • AWS (EKS, S3, RDS, etc.), • Kubernetes (K8s), • Docker, • Infrastructure as Code (Terraform is a plus) What We’re Looking For Core Requirements • 2+ years building backend or distributed systems, • Strong experience with:, • Event-driven architecture, • High-throughput / real-time systems, • API design & integrations Problem Solving & Algorithms You should be strong in: • Data structures & algorithms, • Graph algorithms (routing, shortest path), • Scheduling / matching systems, • Deep understanding of:, • Consistency vs availability, • Latency vs throughput, • Horizontal scaling, • Ability to design systems from 0 → 1 and scale Nice to Have • Experience with IoT / telemetry systems, • Background in rideshare, logistics, or mobility, • Exposure to ML systems or data pipelines, • Experience with Flink or real-time stream processing, • Real-world high-scale distributed systems, • Strong focus on algorithms + optimization, • AI is core to engineering workflow, • Opportunity to shape architecture from early stage, • Competitive (based on location & experience), • High ownership and impact, • Show systems you’ve built (not just features), • Demonstrate strong problem-solving ability, • Highlight experience with:, • Distributed systems at scale, • Optimization / algorithmic problems, • Real-time data pipelines

Job Description MOTER Technologies, Inc. (“MOTER”) is working to unlock the world of connected vehicle data to power new products and services for the automotive, mobility and insurance industries. Our edge computing- based advanced data analytics and software platform creates new insights from vehicle data to power the next generation of driver scoring, risk analytics, and insurance solutions. Technology and business platforms allow automakers to finally realize their connected vehicle data monetization goals and improve their ROI in this growing space and make driving safer. Job Overview We are seeking a hands-on Software Engineer II with a strong focus on mobile application development to support iOS, Android, and Android Automotive OS (AAOS) platforms. This role will help design, build, and maintain high-quality mobile applications that interface with connected vehicle systems, cloud services, and edge devices. The Software Engineer will develop scalable, reliable, and user-friendly mobile solutions that enable real-time data visualization, driver interaction, and vehicle-centric workflows. As a key contributor, this role will collaborate closely with backend, edge systems, data science, and product teams to deliver end-to-end mobile solutions that support MOTER’s connected vehicle and insurance products. This role requires strong mobile development expertise, ownership of technical deliverables, and the ability to collaborate effectively across teams. Clear communication and the ability to translate complex technical concepts into practical implementations are essential for success. Essential Functions • Mobile Application Development: Design, develop, test, and maintain mobile applications for iOS, Android, and Android Automotive OS using modern frameworks and best practices., • Cross-Platform Development: Build and maintain shared mobile application logic using cross-platform technologies (e.g., React Native) while ensuring native performance, platform-specific user experiences., • Platform Integration: Integrate mobile applications with backend APIs, cloud services, and edge/vehicle systems to support real-time and near-real-time data flows,, • Architecture & Design: Contribute to mobile application architecture, ensuring scalability, performance, security, and maintainability., • UX/UI Design Collaboration: Partner closely with product managers and designers to translate requirements into intuitive, high-quality mobile experiences, contributing meaningfully to UX/UI design using tools such as Figma (or similar)., • Cross-Functional Collaboration: Work with product, UX, backend, data science, and edge systems teams to deliver cohesive end-to-end solutions., • Quality & Reliability: Implement unit tests, integration tests, and CI/CD pipelines to ensure high-quality, reliable mobile applications., • Performance & Optimization: Monitor, profile, and optimize mobile application performance, battery usage, and resource utilization., • Compliance & Security: Ensure mobile applications adhere to security best practices, privacy requirements, and relevant industry standards., • Continuous Improvement: Stay current with mobile development trends, SDK updates, and emerging technologies in iOS, Android, and automotive software ecosystems., • Other Duties: Perform other related duties and responsibilities as assigned. Minimum Qualifications: • Bachelor’s degree in Computer Science, Engineering, or related field required (Master’s degree preferred)., • 3+ years of hands-on software development experience, with a strong emphasis on mobile application development., • Proficiency in mobile programming languages and frameworks, including Java and/or Kotlin for Android development; Swift (and/or Objective-C) for iOS development; React Native for cross-platform mobile development, • Experience developing, testing, and deploying mobile applications to the Apple App Store and Google Play Store., • Familiarity with RESTful APIs, JSON, and mobile-to-backend communication patterns., • Strong problem-solving skills and the ability to work effectively in a fast-paced, collaborative environment., • Demonstrated ability to deliver production-quality software and support multiple releases., • Legal authorization to work in the United States without current or future employer sponsorship. Preferred Qualifications: • Experience developing applications for Android Automotive OS (AAOS) or in-vehicle infotainment (IVI) systems., • Familiarity with cloud platforms (e.g., AWS) and mobile integration with cloud-native services., • Experience with CI/CD tools for mobile development., • Knowledge of mobile security, authentication, and data privacy best practices., • Familiarity with automotive, IoT, or connected device ecosystems., • Exposure to telematics, sensor data visualization, or real-time data streaming in mobile applications. Office Location • Torrance, CA - Hybrid (Tuesday and Thursday in office) Compensation • For California based hires, the annual salary range is $110,000 - $120,000 depending on experience., • Comprehensive benefits package including medical, dental, and vision coverage; basic life and long-term disability insurance; Health Savings Account (HSA); Flexible Spending Account (FSA); generous paid time off and holiday pay; and a 401(k) with company match., • On-demand mental health and medical support through Teladoc., • Complimentary catered office lunches., • Flexible office hours to support work-life balance., • A collaborative culture where your input directly impacts the product and company trajectory., • A health and wellness-focused work environment with team social events., • Business casual dress code. EEO/AA/M/F/Vet/Disability Employer All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, or disability status. For accommodation or special assistance in applying for a posted position, please contact our Human Resources department at (424)322-9518.

Role : Android Developer Location: San Leandro, CA (5 days onsite) Job Description: Responsibilities Design, develop, and maintain high‑quality native Android applications Build clean, maintainable, and scalable mobile solutions Integrate apps with backend systems and third‑party libraries Optim