> Markdown version of [/jobs/ext/84170-api-security-engineer](https://www.wearedevelopers.com/jobs/ext/84170-api-security-engineer). 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). --- # API Security Engineer - **Company:** OpenKyber LLC - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Application Performance Management, Databases, Relational Databases, Software Design Patterns, Fault Tolerance, Spring Framework, PostgreSQL, Microsoft SQL Server, Performance Tuning, Redis, Distributed Caching, Software Engineering, Data Streaming, Web Application Frameworks, Multithreading, Performance Testing, Sql Optimization, System Availability, Concurrency, Spring-boot, Software Security, Reliability of Systems, Apache Kafka, Asynchronous Programming, Restful APIs, Stream Processing, Data Pipelines, Microservices - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=8749395d658ea8c4 ## About the Role documentation, and mentoring - Stay current with emerging technologies and recommend improvements to tech stack Technical Skills: - 8+ years of professional software development experience with Java (Java 11+) - Proficiency with Spring Boot, Spring Framework, or similar Java frameworks - Strong expertise in building RESTful APIs and microservices architectures - Proven experience with Apache Kafka or similar streaming platforms - Distributed caching solutions - Knowledge of columnar databases - Experience with relational databases (PostgreSQL, SQLServer) and SQL optimization - Strong understanding of multithreading, concurrency, and asynchronous programming - Experience with performance testing tools. ## Description Job Description: - Build robust, scalable RESTful and streaming APIs using Java and modern frameworks - Implement real-time data streaming solutions using Apache Kafka and related technologies - Develop high-throughput data processing pipelines with focus on performance optimization - Write clean, maintainable, and well-tested code following industry best practices - Implement using containerization platform Nice to have: - Design and optimize data models for columnar databases - Implement distributed caching strategies using Redis, Griggain, or similar technologies - Optimize application performance through profiling, tuning, and architectural improvements - Ensure system reliability, scalability, and fault tolerance through proper design patterns - Monitor and troubleshoot production systems to maintain high availability Collaboration: - Work closely with tech lead, architects, and stakeholders to understand requirements - Share knowledge through technical presentations ## Related Videos - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search) - [API = Some REST and HTTP, right? RIGHT?!](https://www.wearedevelopers.com/videos/1675-api-some-rest-and-http-right-right) - [Flex your Energy: Building a Cloud-Native Platform for Renewable Energy Communities](https://www.wearedevelopers.com/videos/1990-flex-your-energy-building-a-cloud-native-platform-for-renewable-energy-communities) - [Maximising Cassandra's Potential: Tips on Schema, Queries, Parallel Access, and Reactive Programming](https://www.wearedevelopers.com/videos/1167-maximising-cassandra-s-potential-tips-on-schema-queries-parallel-access-and-reactive-programming) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)