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Senior Software Engineer - Java/Kotlin United States Jobs (On-site work)

480 Job Offers

Senior Cyber Software Engineer
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Seeking a Senior Cyber Software Engineer in Woburn to enhance national defense software security. This role requires a Secret clearance, U.S. citizenship, and 5+ years of C/C++ expertise. You will develop static analysis tools, implement fuzzing techniques, and solve first-of-a-kind engineering c...
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United States , Woburn
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134000.00 - 184000.00 USD / Year
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STR
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Senior Embedded Software Engineer - Cyber
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Join STR's Cyber Division as a Senior Embedded Software Engineer in Woburn. Develop cutting-edge vulnerability research tools targeting embedded systems, firmware, and kernels. This role requires an active Top Secret clearance, U.S. citizenship, and deep expertise in C/C++/Python. Collaborate on ...
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United States , Woburn
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134000.00 - 184000.00 USD / Year
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STR
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Senior Embedded Software Engineer
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Join our team as a Senior Embedded Software Engineer in Woburn, USA. Develop real-time C++ signal processing solutions for advanced multi-function Radar and EW systems. This role requires a Secret clearance, U.S. citizenship, and 5+ years of embedded experience. Collaborate on cutting-edge defens...
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United States , Woburn
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134000.00 - 184000.00 USD / Year
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STR
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Senior Software Engineer
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Join our multidisciplinary cyber/networking team in Arlington as a Senior Software Engineer. Develop cutting-edge, national security technologies using Python, C/C++ within a Linux environment. This role requires a TS clearance (U.S. citizenship) and offers ownership of significant features in a ...
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United States , Arlington
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134000.00 - 184000.00 USD / Year
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STR
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Senior Software Engineer
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Join our multidisciplinary cyber/networking team as a Senior Software Engineer. Develop cutting-edge technologies with immediate national security impact. Requires U.S. citizenship for a TS clearance, 5+ years of experience, and proficiency in Python/C/C++. Collaborate in Woburn, MA, to innovate ...
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United States , Woburn
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134000.00 - 184000.00 USD / Year
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STR
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Senior Software Reverse Engineer
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Join STR in San Diego as a Senior Software Reverse Engineer. This role requires a Top Secret clearance and involves deep binary analysis of cyber-physical systems using tools like IDA Pro and Ghidra. You will develop exploits and cybersecurity solutions for national security challenges. Ideal can...
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United States , San Diego
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134000.00 - 184000.00 USD / Year
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STR
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Senior Software Reverse Engineer
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Seeking a Senior Software Reverse Engineer with an active Top Secret clearance in Melbourne, USA. You will analyze vulnerabilities in cyber-physical systems using tools like IDA Pro and Ghidra. This onsite role requires expertise in C/C++, Python, and Assembly for exploit development on challengi...
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United States , Melbourne
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134000.00 - 184000.00 USD / Year
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STR
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Senior Software Reverse Engineer
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Join STR as a Senior Software Reverse Engineer in Woburn. Utilize tools like IDA Pro and Ghidra to analyze embedded firmware and binaries. This role requires a TS clearance, U.S. citizenship, and expertise in C/C++, Python, and Assembly. Develop cutting-edge cybersecurity solutions for national i...
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United States , Woburn
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134000.00 - 184000.00 USD / Year
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STR
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Senior Full Stack Software Engineer
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Join Tutor Intelligence as a Senior Full Stack Engineer in Watertown. Architect core software for robotics, AI, and cloud infrastructure using Python. We seek a collaborative builder passionate about solving hard problems. Enjoy generous equity, full health benefits, and unlimited PTO.
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United States , Watertown
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140000.00 - 190000.00 USD / Year
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Tutor Intelligence
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Senior Software Engineer
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Join WHOOP in Boston as a Senior Software Engineer for AI Experiences. Develop impactful, member-facing features using Java, Kafka, AWS, and PostgreSQL. You'll design scalable systems, optimize performance, and mentor junior engineers in a collaborative, fast-paced environment. This role includes...
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United States , Boston
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150000.00 - 210000.00 USD / Year
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Whoop
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Senior Software Engineer
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Join our world-class Space Systems team in Denver as a Senior Software Engineer. Utilize your 8+ years of experience in Java/C++ within a Linux/UNIX environment. Develop high-performance systems using modern tech like Spring Boot, React/Vue, and cloud services. This role emphasizes Agile, CI/CD, ...
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United States , Denver
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90000.00 - 225000.00 USD / Year
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Altamira Technologies
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Senior Software Engineer
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Seeking a Senior Software Engineer in Wilmington, Washington, or Philadelphia. Develop full-stack solutions using Java, SpringBoot, React/Angular, and cloud platforms (AWS/Azure/GCP). This role offers comprehensive benefits including health plans, 401K match, and generous PTO. Join a collaborativ...
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United States , Wilmington; Washington; Philadelphia
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86500.00 - 111996.00 USD / Year
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AMTRAK
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Senior Software Engineer
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Seeking a Senior Software Engineer in Chicago to lead development of enterprise .NET solutions with React/GraphQL. You'll design scalable systems, mentor teams, and drive technical excellence in logistics software. Enjoy a collaborative culture, comprehensive benefits, and a casual work environment.
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United States , Chicago
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145000.00 - 170000.00 USD / Year
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Arrive Logistics
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Senior Software Engineer, DevOps
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Join Capital One as a Senior DevOps Engineer in McLean, San Francisco, or New York. Drive a major tech transformation using cloud-native tools like AWS, Kubernetes, and Terraform. Collaborate in agile teams to build robust solutions and enjoy competitive benefits in an innovative environment.
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United States , McLean; San Francisco; New York
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158600.00 - 197400.00 USD / Year
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Capital One
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Senior Software Engineer, Full Stack
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Join Cairns Health in Sunnyvale as a Senior Full Stack Engineer. Develop cutting-edge LLM-powered health applications using React, React Native, Python, and Java. Collaborate with a skilled team on AI, hardware integration, and cloud tech (AWS/Kubernetes) for a competitive package including equit...
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United States , Sunnyvale
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170000.00 - 175000.00 USD / Year
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Helpcare AI
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Senior Software Engineer
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Join Teradyne as a Senior Software Engineer in Agoura Hills. Develop cutting-edge C#/C++ software for Automatic Test Equipment, integrating hardware like FPGAs/ASICs. Enjoy full benefits including medical, retirement plans, and tuition assistance while working on next-gen semiconductor test systems.
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United States , Agoura Hills
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137900.00 - 220700.00 USD / Year
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Teradyne
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Senior Software Engineer
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Join our team in Bellevue as a Senior Software Engineer. You will design and deploy scalable Java & Spring Boot microservices and REST APIs. Leverage Kafka, CI/CD, and cloud technologies in an Agile environment. We offer a competitive salary, stock grants, comprehensive benefits, and flexible PTO.
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United States , Bellevue
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113600.00 - 205000.00 USD / Year
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T-Mobile
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Senior Software Engineer - Application Wizard
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Join a hyper-scale AI company transforming autonomous systems. As a Senior Application Engineer in Salt Lake City, you'll build local-first web apps using JavaScript/TypeScript. Enjoy competitive pay, equity, full benefits, and a free ski pass.
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United States , Salt Lake City
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Not provided
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PassiveLogic
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Senior Software Engineer - Backend
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Join Sigma's talented engineering team in NYC as a Senior Backend Engineer. Build high-performance, distributed services using modern tools like Rust, Go, and Kubernetes. Enjoy equity, generous health benefits, flexible PTO, and a collaborative, dog-friendly office while solving complex data plat...
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United States , New York City
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170000.00 - 215000.00 USD / Year
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Sigma Computing
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Senior Software Engineer - Frontend
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Join Sigma's talented team in NYC as a Senior Frontend Engineer. You will own substantial product pieces, crafting elegant UIs with React, TypeScript, and GraphQL. We seek a collaborative engineer with 5+ years of experience and a passion for great design. Enjoy equity, generous health benefits, ...
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United States , New York City
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170000.00 - 215000.00 USD / Year
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Sigma Computing
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About the Senior Software Engineer - Java/Kotlin role

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.