CrawlJobs Logo
Briefcase Icon
Category Icon

Senior Software Engineer - Java/Kotlin Jobs

3426 Job Offers

Filters
Senior Full-Stack Web Application Developer / Software Engineer
Save Icon
Seeking a Senior Full-Stack Developer in Bartlett, USA. Lead the design and deployment of applications using JavaScript, Node.js, React, and SQL. Requires 5+ years of experience in building maintainable, full-stack web solutions. Join a team focused on innovative development and robust software e...
Location Icon
Location
United States , Bartlett
Salary Icon
Salary
90000.00 - 180000.00 USD / Year
apharmony.com Logo
apHarmony Inc.
Expiration Date
Until further notice
Senior Software Engineer, Rust
Save Icon
Join Apollo's Router Core team as a Senior Software Engineer, Rust. Build and maintain the industry-standard GraphQL runtime platform, enabling global engineering teams to ship faster. You'll design scalable, fault-tolerant systems in Rust and collaborate on leading-edge innovations. This US-base...
Location Icon
Location
United States
Salary Icon
Salary
157300.00 - 198900.00 USD / Year
apollographql.com Logo
Apollo GraphQL
Expiration Date
Until further notice
Senior Software Engineer, AI Runtime
Save Icon
Join us as a Senior Software Engineer to architect the future of agentic AI. You will scale our enterprise-grade MCP Server and Gateway using Rust, focusing on distributed systems and high-performance backend development. This remote US role involves building scalable runtime infrastructure for r...
Location Icon
Location
United States
Salary Icon
Salary
157000.00 - 198900.00 USD / Year
apollographql.com Logo
Apollo GraphQL
Expiration Date
Until further notice
Software Engineer / Senior Software Engineer
Save Icon
Join ARiA as a Software Engineer to develop cutting-edge simulation, AI, and signal-processing software. This role requires U.S. citizenship, expertise in C++/Python/JavaScript, and experience with CI/CD and cloud deployment. Collaborate on impactful projects from design to field integration in M...
Location Icon
Location
United States , Madison; Alexandria; Seattle
Salary Icon
Salary
Not provided
ariacoustics.com Logo
Applied Research in Acoustics
Expiration Date
Until further notice
Senior Software Engineer (Back End)
Save Icon
Join Archer in San Jose to build scalable backend systems for sustainable electric aviation. We seek a Senior Software Engineer with 7+ years of experience in Python, AWS, and Terraform/CDK. You will design cloud-native APIs and microservices, owning the full development lifecycle. Help advance a...
Location Icon
Location
United States , San Jose
Salary Icon
Salary
134400.00 - 168000.00 USD / Year
archer.com Logo
Archer Aviation
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Join Archer AI as a Senior Full-Stack Software Engineer in San Jose. Design and scale cutting-edge AI products using JavaScript/TypeScript, Node.js/Python, and modern frameworks. Collaborate cross-functionally to build reliable, performant software for the future of sustainable air mobility.
Location Icon
Location
United States , San Jose
Salary Icon
Salary
134400.00 - 168000.00 USD / Year
archer.com Logo
Archer Aviation
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Join our In-Car Payments Engineering team in London as a Senior Software Engineer. You will build secure, cloud-based transaction systems using TypeScript, Node.js, and AWS serverless services. Your expertise in PCI DSS, API security, and Terraform will be key to delivering cutting-edge in-car co...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
arrive.com Logo
Arrive
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Join our London team as a Senior Software Engineer. You will develop scalable PHP/MySQL platforms and RESTful APIs on AWS, focusing on performance and security. We value expertise in modern CI/CD, software architecture, and mentoring. Enjoy a collaborative, supportive, and inclusive work environm...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
arrive.com Logo
Arrive
Expiration Date
Until further notice
Network Software Test – Senior Software Engineer
Save Icon
Seeking a Senior Software Engineer for Network Software Testing in Bangalore. You will design automated test cases in Python for advanced protocols like BGP, EVPN, and SRv6. The role requires 5+ years of hands-on networking test experience and scaling automation frameworks. We offer a generous pa...
Location Icon
Location
India , Bangalore
Salary Icon
Salary
Not provided
arrcus.com Logo
Arrcus
Expiration Date
Until further notice
Senior Power Systems Software Engineer
Save Icon
Join a high-level R&D team in Paris as a Senior Power Systems Software Engineer. Design and develop innovative energy sector solutions using Java, Python, and C++. We seek an expert with strong algorithm design skills and knowledge of Kubernetes/DevOps. Enjoy flexible hours and a central office l...
Location Icon
Location
France , Paris
Salary Icon
Salary
Not provided
artelys.com Logo
Artelys
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Join our team in Prague as a Senior Software Engineer. You will design and develop high-quality Java applications using Spring Boot, Hibernate, and cloud platforms. This role requires strong expertise in Java SE, REST APIs, and modern tools like Docker and Kubernetes. Collaborate with cross-funct...
Location Icon
Location
Czech Republic , Prague
Salary Icon
Salary
Not provided
autorabit.com Logo
AutoRABIT
Expiration Date
Until further notice
Senior Software Engineer - Core
Save Icon
Join Azul's core team developing the popular Azul Zulu OpenJDK builds and related tools like Azul Mission Control. This senior role in Yerevan requires strong C/C++ skills, system programming expertise, and familiarity with Linux/Windows/macOS. Enjoy equity, annual bonuses, flexible hours, and th...
Location Icon
Location
Armenia , Yerevan
Salary Icon
Salary
Not provided
azul.com Logo
Azul Systems
Expiration Date
Until further notice
Senior Software Engineer - Core
Save Icon
Join Azul's core team in Belgrade, developing the popular Azul Zulu OpenJDK builds and related tools like Azul Mission Control. This senior role requires strong C/C++ skills, system programming expertise, and familiarity with OS concepts and debuggers. Enjoy equity, annual bonuses, flexible remot...
Location Icon
Location
Serbia , Belgrade
Salary Icon
Salary
Not provided
azul.com Logo
Azul Systems
Expiration Date
Until further notice
Senior Software Engineer - Knowledge Base
Save Icon
Join our team in Belgrade as a Senior Software Engineer for the Knowledge Base. You will architect and build backend services in Java/Kotlin, focusing on data ingestion and processing pipelines within a modern SaaS platform. We value expertise in AWS, distributed systems, and collaborative proble...
Location Icon
Location
Serbia , Belgrade
Salary Icon
Salary
Not provided
azul.com Logo
Azul Systems
Expiration Date
Until further notice
Senior Software Engineering Manager – Optimizer Hub
Save Icon
Lead the development of Azul's Optimizer Hub as a Senior Software Engineering Manager in Prague or remotely. You will build and mentor a team, driving Agile projects using cloud tech (k8s, AWS/Azure/GCP) and tools like Jira. Enjoy equity, an annual bonus, and full flexibility with 5 weeks of holi...
Location Icon
Location
Czech Republic , Prague
Salary Icon
Salary
Not provided
azul.com Logo
Azul Systems
Expiration Date
Until further notice
Senior Software Engineer - Knowledge Base
Save Icon
Join our Prague-based team as a Senior Software Engineer to evolve our SaaS Knowledge Base platform. You'll design and build backend services in Java/Kotlin, focusing on data ingestion and processing pipelines. We value expertise in AWS, distributed systems, and modern data stacks. Enjoy equity, ...
Location Icon
Location
Czech Republic , Prague
Salary Icon
Salary
Not provided
azul.com Logo
Azul Systems
Expiration Date
Until further notice
Senior Software Engineer - Knowledge Base
Save Icon
Join our team in Limassol as a Senior Software Engineer. Design and build backend services in Java/Kotlin for our SaaS knowledge platform and data pipelines. Leverage your 7+ years of experience with AWS, distributed systems, and databases. Enjoy equity, bonuses, flexible hours, and the option to...
Location Icon
Location
Cyprus , Limassol
Salary Icon
Salary
Not provided
azul.com Logo
Azul Systems
Expiration Date
Until further notice
Senior Software Engineer - Core
Save Icon
Join Azul as a Senior Software Engineer and shape the future of Java. Develop core OpenJDK builds and tools like Azul Mission Control in Prague. Leverage your expertise in C/C++, system programming, and OS concepts. Enjoy equity, annual bonuses, flexible remote work, and a central Prague office.
Location Icon
Location
Czechia , Prague
Salary Icon
Salary
Not provided
azul.com Logo
Azul Systems
Expiration Date
Until further notice
Senior Software Engineer, Fulfillment & Operations
Save Icon
Join Babylist as a Senior Software Engineer on our Fulfillment & Operations team. You will scale critical e-commerce systems to propel revenue beyond $700M. This remote role in the US/Canada requires 6+ years of experience with modern stacks like React/Rails. Enjoy top benefits, equity, and a cha...
Location Icon
Location
United States; Canada
Salary Icon
Salary
180100.00 - 225082.00 USD / Year
babylist.com Logo
Babylist
Expiration Date
Until further notice
Senior Software Engineer, Media
Save Icon
Lead critical monetization and advertising initiatives as a Senior Software Engineer at Babylist. You'll leverage your 6+ years of experience with modern stacks like React/Rails to drive e-commerce growth. This remote role in the US/Canada offers equity, comprehensive benefits, and a chance to sh...
Location Icon
Location
United States; Canada
Salary Icon
Salary
180100.00 - 225082.00 USD; CAD / Year
babylist.com Logo
Babylist
Expiration Date
Until further notice

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.

Filters

×
Countries
Category
Location
Work Mode
Salary