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Senior Software Engineer - Java/Kotlin Jobs

1505 Job Offers

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Senior Software Development Engineer in Test
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Lead the quality revolution as a Senior SDET, architecting scalable test frameworks and CI/CD pipelines for 50+ engineers. You'll build the "paved road" for quality, embedding testability into our platform using tools like Cypress and Playwright. Enjoy a flexible four-day work week, remote allowa...
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Awin Global
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Senior Software Development Engineer in Test
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Lead the quality foundation as a Senior SDET in Warsaw. Architect scalable test frameworks and CI/CD pipelines to empower engineering teams. Enjoy a flexible four-day work week and remote allowance while building tools that make quality the path of least resistance.
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Poland , Warsaw
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Awin Global
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Senior Software Engineer I
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Join Axon's Discovery Squad in Seattle as a Senior Software Engineer. Build a scalable search platform using Java, Scala, or Go, with ElasticSearch and Kafka. Enjoy top benefits like a 401k match, generous PTO, and comprehensive wellness programs while leading major technical projects.
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United States , Seattle
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141000.00 - 225600.00 USD / Year
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Axon
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Senior Software Engineer, Infrastructure
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Shape the future of law enforcement infrastructure as a Senior Software Engineer. Design and deliver self-service PaaS solutions using cloud-native tech and IaC tools like Terraform. Join our distributed team in Seattle or Boston to build scalable, reliable systems for public safety. Enjoy compet...
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United States , Seattle; Boston
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141000.00 - 225600.00 USD / Year
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Axon
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Senior Software Engineer - Front End
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Join our Seattle team as a Senior Front End Software Engineer. Develop scalable, high-performance web applications using React, TypeScript, and modern tooling. You will drive technical architecture, mentor engineers, and collaborate in a dynamic, open culture. This role is pivotal for mission-cri...
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United States , Seattle
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141000.00 - 225600.00 USD / Year
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Axon
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Senior Software Engineer II
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Lead the architecture of Axon's core knowledge graph in Seattle, modeling real-world entities at scale. This senior role requires 8+ years of backend expertise in Java/Kotlin or Go, and cloud-native service design. You will drive cross-team initiatives, mentor engineers, and ensure system reliabi...
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United States , Seattle
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141000.00 - 225600.00 USD / Year
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Axon
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Senior Software Engineer I - Android
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Join Axon's Robotics team in Boston as a Senior Android Engineer. You will architect the Android application for a Ground Control Station, commanding advanced robots using modern tech like Jetpack Compose and Coroutines. Lead the full software lifecycle for mission-critical systems that save live...
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United States , Boston
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141000.00 - 225600.00 USD / Year
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Axon
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Senior Software Engineer, Vehicle Intelligence
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Shape the future of vehicle intelligence as a Senior Software Engineer in Boston. Design and deliver high-availability, scalable cloud systems for a groundbreaking 0-to-1 product. Leverage your expertise in Java, Go, or Scala within a team setting strong technical standards. Enjoy top benefits li...
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United States , Boston
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141000.00 - 225600.00 USD / Year
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Axon
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Senior Software Engineer, Vehicle Intelligence
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Join Axon as a Senior Software Engineer in Vehicle Intelligence, based in Boston or Seattle. Architect and build high-availability, scalable cloud services for a new 0-to-1 product using Java, Go, or Scala. Enjoy a competitive package with comprehensive benefits while mentoring engineers and shap...
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United States , Boston; Seattle
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141000.00 - 225600.00 USD / Year
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Axon
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Senior Software Engineer II
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Lead the design and scaling of a planet-scale cloud control plane for global IoT fleets at Axon. This senior role requires 10+ years in distributed systems, deep expertise in Go, Kubernetes, and cloud-native security. Based in London, you'll directly impact public safety while enjoying a competit...
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United Kingdom , London
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Axon
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Senior Software Engineer II
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Lead the technical strategy for scalable test automation in cloud environments at our Ho Chi Minh City office. Utilize your 8+ years of backend expertise in Go/C#/Java to architect systems, integrate AI, and mentor junior engineers. Enjoy comprehensive benefits including premium insurance, bonuse...
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Vietnam , Ho Chi Minh City
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Axon
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Senior Backend/Fullstack Software Engineer I
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Join Axon in Ho Chi Minh City as a Senior Backend/Fullstack Engineer. Develop innovative AI-powered features for public safety records management using Go, Java, or Scala. Enjoy top benefits like comprehensive insurance, bonuses, and a stocked office while transforming global safety.
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Vietnam , Ho Chi Minh City
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Axon
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Senior Software Engineer
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Lead software innovation in Prague as a Senior Software Engineer. Develop high-quality solutions using C#, .NET, and SQL within a collaborative team. Enjoy benefits like private medical care and a competitive pension while shaping cutting-edge digital experiences.
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Czechia , Prague
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Barclays
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Senior Software Quality Engineer
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Join Bayone Solutions as a Senior Software Quality Engineer in Pleasanton, CA. You will design test plans, automate testing tools, and perform end-to-end integration testing using SOAP, REST, and Java. This role requires 5 years of experience and expertise in backend database testing and defect t...
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United States , Pleasanton
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149989.00 - 159989.00 USD / Year
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BayOne Solutions
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Senior Rust Software Engineer - Data Classification
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Join our Tel Aviv team as a Senior Rust Engineer specializing in Data Classification. Design and build scalable data security solutions using Rust, Python, and Go. You'll lead the full development lifecycle, mentor peers, and innovate for high-scale performance. Strong systems programming and mul...
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Israel , Tel Aviv
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Palo Alto Networks
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Senior Software Engineer-Platform Backend
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Join a startup-minded team within a leading corporation to design and build a massive-scale backend platform. You will handle billions of events per second, working with distributed cloud tech and modern databases. This senior role in Tel Aviv requires strong software engineering experience and o...
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Israel , Tel Aviv
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Palo Alto Networks
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Senior Software Engineer
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Seeking a Senior Software Engineer in St. Louis to lead the development of actuarial modeling platforms. You will design and deliver solutions using Prophet, C#, .NET, and SQL/Oracle within an Agile SDLC. This role requires a Master's in Computer Science, strong leadership, and full lifecycle exp...
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United States , St. Louis
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Sovereign Technologies
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Senior Software Engineer
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Join our Dublin team as a Senior Software Engineer on a cutting-edge data platform. Leverage your expert C#/.NET and Azure skills to build scalable, cloud-native back-end systems and big data pipelines. This role offers a competitive package at a world-leading software company.
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Ireland , Dublin
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Bentley Systems
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Senior Software Engineer
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Join our Dublin team as a Senior Software Engineer on a cutting-edge data platform. Leverage your expert C#/.NET and Azure skills to build scalable, cloud-native back-end systems and big data pipelines. This role offers a competitive package at a world-leading software company.
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Ireland , Dublin
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Bentley Systems
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Senior Staff Software Engineer
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Lead the design of scalable data products and reporting APIs at AdsWizz. This senior role requires 12+ years of Java expertise and deep experience with AWS microservices and data pipelines. Based in New York, you'll drive architecture and collaborate across teams to deliver high-impact solutions.
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United States , New York
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156400.00 - 225000.00 USD / Year
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SiriusXM
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Explore senior software engineer jobs specializing in Java and Kotlin, a high-demand career path for experienced developers who architect and build robust, scalable software systems. Professionals in this role are pivotal in transforming complex business requirements into efficient, reliable, and maintainable applications. Typically, they engage in the full software development lifecycle, from conceptual design and technical specification to implementation, testing, deployment, and ongoing optimization. A core responsibility involves making critical architectural decisions, often designing and implementing microservices, APIs, and cloud-native solutions that form the backbone of modern digital products. Senior software engineers in the Java/Kotlin ecosystem commonly shoulder a wide array of duties. They design and develop high-performance backend services, distributed systems, and data processing pipelines. Ensuring code quality is paramount; they rigorously write unit and integration tests, conduct thorough code reviews, and advocate for best practices in clean code and design patterns like MVC. Collaboration is a key aspect, as they frequently work alongside cross-functional teams including product managers, UX/UI designers, DevOps specialists, and other engineers to deliver cohesive user experiences. Furthermore, they often provide technical leadership, mentoring junior developers, driving technical discussions, and contributing to strategic planning and knowledge-sharing initiatives. The typical skill set for these jobs is extensive. Mastery of Java and/or Kotlin is fundamental, complemented by deep knowledge of JVM internals, concurrency, and memory management. Proficiency with popular frameworks such as Spring Boot, Micronaut, or Quarkus is highly valued. These roles require strong experience with both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, Cassandra) databases, as well as expertise in designing RESTful and often GraphQL APIs. Familiarity with cloud platforms (AWS, Azure, GCP), containerization (Docker, Kubernetes), and CI/CD pipelines is standard for deploying and managing applications. A strong understanding of software architecture principles, including event-driven and serverless designs, is essential. Candidates seeking senior software engineer jobs are generally expected to possess a bachelor's degree in computer science or a related field, along with 5+ years of professional development experience. Beyond technical acumen, success in this senior role demands excellent problem-solving abilities to debug complex issues, a proactive approach to learning emerging technologies, and strong communication skills to articulate technical concepts to both technical and non-technical stakeholders. This career offers the opportunity to work on challenging problems, influence technology stacks, and build systems that serve millions of users, making it a cornerstone role in the technology industry.

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