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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Backend Java Engineer (Microservices... - **Company:** Cognizant Technology Solutions Corporation - **Location:** Phoenix, AZ, United States - **Experience:** Expert - **Salary:** $70,000.0 - $120,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Microsoft Azure, Cloud Computing, Code Review, Couchbase Servers, Relational Databases, Distributed Systems, Python (Programming Language), PostgreSQL, Machine Learning, Enterprise Messaging Systems, NoSQL, Oracle (Applications), Performance Tuning, Software Engineering, Software Systems, Software Organization, Google Cloud, System Availability, Large Language Models, Prompt Engineering, Spring-boot, Caching, Vert.x, Backend, Kotlin, Event Driven Architecture, Containerization, Kubernetes, Apache Kafka, Reactive Programming, Data Management, Asynchronous Programming, Restful APIs, Webhooks, Docker, Microservices - **Published:** June 16, 2026 - **Apply:** https://www.juju.com/job/00000000g8oeji ## About the Role * Strong hands-on experience with Java 8+ (Kotlin is a plus) * Proven experience building microservices-based architectures * Hands-on experience with at least one modern framework: * Spring Boot (preferred) * Vert.x, Micronaut, or Quarkus * Experience with event-driven systems and messaging technologies such as Kafka * Solid experience designing and developing RESTful APIs * Strong understanding of application design and software development best practices * Experience working with relational databases (PostgreSQL, Oracle, or equivalent) * Exposure to NoSQL databases such as Couchbase or similar * Experience working in Agile development environments * Proven ability to support high-availability, mission-critical systems * Familiarity with cloud-based and distributed system architectures * Strong communication skills, with the ability to collaborate and provide constructive feedback * Self-motivated and able to work effectively in fast-paced, ambiguous environments Preferred Qualifications + Experience with reactive programming or frameworks (e.g., Vert.x) + Exposure to cloud platforms (AWS, Azure, GCP) + Familiarity with containerization and orchestration tools (Docker, Kubernetes) + Experience with performance tuning and caching strategies + Knowledge of AI/ML concepts, including LLMs, RAG, vector databases, or prompt engineering + Experience with Python for scripting, automation, or data-related tasks + Understanding of advanced design patterns for distributed systems (e.g., Circuit Breaker, Saga) + Strong communication skills and ability to contribute to technical leadership discussions ## Description We are looking for a **Senior Backend Java Engineer (Microservices & Kafka)** to join our engineering team and play a key role in building scalable, high-performance backend systems. This role focuses on developing **event-driven, microservices-based architectures** using modern Java frameworks and messaging technologies. The ideal candidate will bring strong hands-on experience in backend development, a solid understanding of distributed systems, and the ability to contribute to mission-critical platforms with high availability requirements., In this role, you will design and develop **reactive microservices** using **Java 8+ and frameworks such as Spring Boot or Vert.x** , while leveraging **Kafka and asynchronous communication patterns** to build robust event-driven systems. You will work closely with cross-functional teams in an **Agile environment** , contributing to both **software development and system design decisions** . This position requires a self-driven engineer who thrives in **fast-paced, evolving environments** , is comfortable with ambiguity, and enjoys experimenting with new approaches. You will be expected to take ownership of your work, support **high-availability platforms** , and collaborate effectively with teammates while maintaining strong communication and a team-first mindset. _*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*_ In This Role You Will Design, develop, and maintain **scalable backend services** using **Java 8+ (or Kotlin)** Build **reactive, microservices-based applications** using frameworks such as **Spring Boot, Vert.x, Micronaut, or Quarkus** Develop and implement **event-driven architectures** leveraging **Kafka, webhooks, and asynchronous APIs** Collaborate with cross-functional teams in an **Agile environment** to deliver high-quality software solutions Contribute to **application design, architecture decisions, and technical best practices** Ensure **high availability, performance, and reliability** of mission-critical platforms Work with **cloud-based and distributed systems** to support scalable solutions Participate in **code reviews, testing, and continuous improvement initiatives** Communicate effectively with stakeholders and provide **constructive feedback and technical insights** Take ownership of deliverables while working in **ambiguous and fast-paced environments** Promote a **collaborative, team-first culture** and continuously explore new technologies and approaches ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Application Modernization and Rabbits](https://www.wearedevelopers.com/videos/120-application-modernization-and-rabbits) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-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)