> Markdown version of [/jobs/ext/4676504-senior-software-engineer-app-experience](https://www.wearedevelopers.com/jobs/ext/4676504-senior-software-engineer-app-experience). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - App Experience - **Company:** Hivewatch, Inc. - **Location:** El Segundo, CA, United States - **Experience:** Expert - **Salary:** $160,000 - $200,000 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Mobile Application Development, Software as a Service, Cloud Computing, Cyber Security, Relational Databases, Github, Monitoring of Systems, Mobile Application Software, Python (Programming Language), PostgreSQL, Performance Tuning, Systems Development Life Cycle, Query Optimization, Software Deployment, Software Engineering, SQL Databases, TypeScript, Web Applications, Rust (Programming Language), Data Processing, Enterprise Software Applications, ReactJS, Grafana, Spring-boot, Backend, Kotlin, Amazon Relational Database Service, Kubernetes, Graphql, React Native, Front End Software Development, Restful APIs, Terraform, Serverless Computing, Docker, Microservices - **Published:** November 11, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-software-engineer-app-experience-el-segundo-ca--e0c45c2a-8e79-4f26-b27a-93a8ebf80d80 ## About the Role Software Engineering, Physical Security, Team Player, Security Infrastructure, Mobile Applications, Software Engineering, Internet Application, SLICE (Simulation Language with Integrated Circuit Emphasis), Scalable System Development, Application Programming Interface (API), * 7+ years of software engineering experience with at least 3 years in senior roles Backend: * Strong experience with Java or Kotlin and Spring Boot * Experience designing and implementing GraphQL and REST APIs * Strong proficiency with relational databases, SQL, data modeling, query tuning * Experience building full-stack applications in microservice architectures Frontend: * Strong experience with TypeScript and web or mobile development * Experience working with Product/Design in iterating on customer facing features * Familiarity with with web and/or mobile best practices * Experience, or a willingness to learn both React and React Native Infrastructure: * Experience with modern cloud services and cloud-native development * Experience with containerization using Docker and deploying applications to Kubernetes * Experience with CI/CD pipelines and modern development workflows * Experience using monitoring tools to measure and alert on performance and reliability issues General: * Experience with and enthusiasm for AI Native software development practices * Strong system design skills and experience with distributed, high-scale applications * Ability to learn new technologies quickly and work in agile environments * Data driven individual who will use metrics to influence decision making, * Strong experience with AWS * Hands-on experience with Terraform for infrastructure as code * Background in security technology or enterprise software * Experience with observability tools and performance optimization * Startup experience and/or early stage SaaS experience ## Description We're seeking a Senior Software Engineer to join our App Experience team, where you'll play a critical role in building and maintaining the core services and infrastructure that power the HiveWatch platform. You'll work across the stack ranging from both our core backend systems that power our security platform, and our web and mobile apps which customers interface with daily, ensuring our customers can rely on fast, accurate, and always available security intelligence., * Design and ship complete features from the web and mobile apps to the backend owning the full slice. * Work closely with Product to understand tradeoffs between possible solutions, and how to implement decisions across the stack. * Architect and develop scalable backend services, APIs, and data processing systems. * Support production systems through incident response, troubleshooting, and break-fix activities to maintain service reliability and customer trust. * Build and extend solutions with observability in mind to ensure service level agreements with our customers are met, and understand usage patterns. * Reliably deliver features and services on AWS using Infrastructure as Code, CI/CD pipelines, and modern service delivery practices. * Mentor junior engineers and drive technical decisions that influence the team's architecture and development practices. * Participate in a 24/7 on call rotation approximately 1 week per month as needed. OUR TECH STACK: * Languages: Kotlin, TypeScript, Python, and Rust * Deployments: GitHub Actions, Terraform, Terragrunt, and Helm * Infrastructure: AWS (Kinesis, Serverless, RDS, EKS), Kubernetes, Docker, PostgreSQL