You Lead the Way We ve Got Your Back With the right backing people and businesses have the power to progress in incredible ways When you join Team Amex you become part of a global and diverse community of colleagues committed to backing our customers communities and each other Here you ll grow your skills make an impact and shape a career journey that s uniquely yours with benefits flexibility and support that help you thrive personally and professionally At American Express you ll be recognized for your contributions leadership and innovation Together we ll win as a team upholding our values and delivering the world s best customer experience every day And we ll do it with integrity in an environment where everyone is seen heard and feels they belong Join Team Amex and let s lead the way together About our Team and ProductOne Data is a Function-as-a-Service FaaS platform powering Amex s internal cloud ecosystem Our mission is to simplify and accelerate how developers build deploy and operate microservices at scale across the enterprise In 2025 we saw tremendous growth in adoption with hundreds of new functions onboarded and we expect that growth to continue and accelerate The One Data engineering team is responsible for platform development developer experience and production support collaborating closely with SRE and product engineering teams across the company We build for developers by developers championing open standards developer productivity and excellence in cloud-native architecture The Role We re looking for a Software Engineer who is passionate about building highly scalable systems enhancing developer experience and shaping the future of internal cloud platforms at Amex You ll design develop and support core components of the One Data platform working with modern technologies and collaborating with talented engineers who care deeply about craftsmanship performance and reliability What You ll Do Design implement and optimize high-performance FaaS components in Java or Kotlin Partner with SREs and developers to deliver resilient observable and scalable systems Improve developer experience through tooling documentation and automation Drive platform adoption performance tuning and continuous improvement Mentor engineers contribute to internal tech guilds and promote engineering best practices Advocate for open-source principles and contribute back to the community What You Bring Technical ExpertiseStrong hands-on experience in Java Collections Streams Lambdas Exceptions Proficiency with asynchronous and concurrent programming - Executors Futures CompletableFutures or Kotlin Coroutines Experience with Reactive frameworks - Vert x preferred Spring Reactive RxJava Netty or Akka Proven experience designing and building RESTful microservices exposure to SOAP or gRPC is a plus Experience with build tools Gradle preferred Maven acceptable Solid understanding of unit testing frameworks JUnit Cucumber or equivalent Expertise in system design performance tuning and production diagnostics heap thread dumps JConsole JMC Working knowledge of source control systems Git or equivalent and conflict resolution Familiarity with containerization and orchestration tools Docker Kubernetes Exposure to messaging systems such as Kafka or RabbitMQ is a plus Bonus Knowledge of Virtual Threads Java 21 micro-benchmarking JMH or emerging languages such as Go Rust or WebAssembly WASM Mindset CollaborationPassion for technology and continuous learning engaged in the broader developer ecosystem CNCF open source tech communities Action-oriented and adaptable thrives in a dynamic quick-changing environment Manager of one mindset takes ownership drives clarity and executes independently Empathetic communicator who disagrees respectfully and commits to team goals Enthusiastic about developer experience and improving how others build software Committed to mentorship collaboration and contributing to Amex s technology guilds Qualifications 5 years of professional software development experience 4 years of experience with Java Kotlin or similar object-oriented languages 2 years experience with at least one other modern language Go Python Node js Rust Demonstrated expertise in designing developing and testing enterprise-grade APIs Experience with relational or NoSQL databases schema design and performance optimization Familiarity with public cloud platforms AWS GCP or Azure Strong analytical and troubleshooting skills able to decompose complex systems Excellent written and verbal communication skills Bachelor s degree in computer science Computer Engineering or equivalent advanced degree preferred We back you with advantages that support your holistic well-being so you can be and deliver your best This means caring for you and your loved ones physical financial and mental health as well as providing the flexibility you need to thrive personally and professionally Competitive base salaries Bonus incentives Support for financial-well-being and retirement Comprehensive medical dental vision life insurance and disability benefits depending on location Flexible working model with hybrid onsite or virtual arrangements depending on role and business need Generous paid parental leave policies depending on your location Free access to global on-site wellness centers staffed with nurses and doctors depending on location Free and confidential counseling support through our Healthy Minds program Career development and training opportunities American Express is an equal opportunity employer and makes employment decisions without regard to race color religion sex sexual orientation gender identity national origin veteran status disability status age or any other status protected by law Offer of employment with American Express is conditioned upon the successful completion of a background verification check subject to applicable laws and regulations

📌 Software Engineer Iii (Karnataka)
🏢 American Express
📍 Karnataka