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Droisys

Java Backend developer with EX American Express client Experience

On site

Phoenix, United states

$ 50 /hour

Mid level

Freelance

17-11-2025

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Skills

Java SQL CI/CD DevOps Docker Kubernetes Agile methodologies Problem-solving Agile Spring Spring Boot Kafka Express Microservices

Job Specifications

About Company,

Droisys is an innovation technology company focused on helping companies accelerate their digital initiatives from strategy and planning through execution. We leverage deep technical expertise, Agile methodologies, and data-driven intelligence to modernize systems of engagement and simplify human/tech interaction.

Amazing things happen when we work in environments where everyone feels a true sense of belonging and when candidates have the requisite skills and opportunities to succeed. At Droisys, we invest in our talent and support career growth, and we are always on the lookout for amazing talent who can contribute to our growth by delivering top results for our clients. Join us to challenge yourself and accomplish work that matters.

Here's the job details,

Java Backend developer with EX American Express client Experience

Phoenix, AZ – Day one onsite

Long term

Rate Range $40 to $50 hr W2 All Inc

Note – Please share profiles of candidates with prior experience at AMEX (American Express)

Job description:

5–9+ years of professional experience in backend Java development.

Strong expertise in:

Java 8/11/17, Spring Boot, Spring MVC, Spring Data, Spring Cloud.
Building RESTful APIs and microservices.

Deep understanding of:
Multithreading, concurrency, and performance tuning.
Distributed systems concepts.
Experience with Kafka or other messaging platforms.
Strong SQL skills—joins, indexing, query optimization.
Hands-on experience with Docker, Kubernetes, and cloud environments.
Familiarity with CI/CD and DevOps tools.
Experience with code quality tools like SonarQube, Fortify, Checkmarx, etc.
Excellent debugging and problem-solving skills.

Droisys is an equal opportunity employer. We do not discriminate based on race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. Droisys believes in diversity, inclusion, and belonging, and we are committed to fostering a diverse work environment.

About the Company

Droisys is an innovation technology company, with a reputation of delivering top engineering projects and teams to meet, execute, and solve complex business challenges & deliver nuanced solutions. Droisys specializes in end-to-end delivery of highly tailored technology solutions designed by the best software engineers in the industry. Droisys has teams onsite/remote, offsite, and offshore to deliver around-the-clock results. If your business problem can be solved with a software, Droisys can build it. Droisys is a full-serv... Know more