Java(API/Azure) Developer

Java API Developer – Renewable Contract – 3 days onsite and 2 days remote in Vienna, VA – $70 to $80/hr. W2

The final salary or hourly wage, as applicable, paid to each candidate/applicant for this position is ultimately dependent on a variety of factors, including, but not limited to, the candidate’s/applicant’s qualifications, skills, and level of experience as well as the geographical location of the position.

The end client is unable to sponsor or transfer visas for this position; all parties authorized to work in the US without sponsorship are encouraged to apply.

Job Summary:

Required skills

-10 years backend Java engineering experience

- Java 17 hands-on experience

- Strong Spring Boot background

- Has built REST APIs and microservices

- Azure cloud experience, ideally with App Services, Azure SQL, Service Bus, API Management, or Application Insights

- Azure DevOps CI/CD experience

- Strong SQL/database experience

- Has worked in Agile/Scrum environments

- Banking, financial services, or digital/mobile banking experience is a plus

location: hybrid to vienna, va (3x/week)

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Description:

We are seeking a Senior Backend Developer responsible for the design, development, modernization, and support of backend services that power our mobile banking and online banking channels. This role partners closely with product teams, architects, analysts, QA engineers, frontend developers, and platform teams to deliver scalable, secure, and resilient solutions.

The ideal candidate is a strong Java engineer who brings technical leadership, cloud expertise, and a passion for continuous improvement. This individual will help drive application modernization, mentor team members, and leverage emerging technologies, including AI-assisted development tools, to improve engineering efficiency and delivery quality.

Responsibilities

Design, develop, enhance, and maintain backend services and APIs.

Build scalable, secure, and resilient cloud-native applications.

Participate in architecture and design discussions and contribute to technical solutioning.

Collaborate with cross-functional teams to define, design, and deliver new features and capabilities.

Identify performance bottlenecks, troubleshoot issues, and implement effective solutions.

Conduct code reviews and champion engineering best practices, quality standards, and secure coding principles.

Support application modernization and technical debt reduction initiatives.

Build and maintain CI/CD pipelines and deployment automation using Azure DevOps.

Participate in production support, incident response, root cause analysis, and operational readiness activities.

Mentor and provide technical guidance to junior engineers.

Evaluate and leverage AI-assisted development tools to improve productivity, code quality, testing, and delivery speed.

Help maintain code quality, organization, documentation, and automation standards.

Required Skills & Experience

Strong experience developing applications using Java 17 or higher.

Experience with Spring Framework and Spring Boot.

Experience designing and developing RESTful APIs and microservices architectures.

Strong understanding of web applications, web services, and distributed systems.

Experience with cloud platforms, preferably Microsoft Azure.

Experience with Azure services such as App Services, Azure SQL, Service Bus, API Management, Application Insights, or similar cloud-native services.

Experience with Git-based source control, Azure DevOps Repos, pull requests, and branching strategies.

Experience building and maintaining CI/CD pipelines using Azure DevOps.

Strong understanding of databases, SQL, and application data integration patterns.

Experience troubleshooting complex, interconnected systems and applications.

Understanding of application scalability, resilience, observability, and performance optimization.

Experience working in Agile/Scrum environments.

Familiarity with AI-powered development tools (e.g., GitHub Copilot, AI-assisted code generation, testing, analysis, and debugging) to improve developer productivity and code quality.

Strong analytical, problem-solving, communication, and collaboration skills.

Demonstrated ability and willingness to learn new technologies and adapt to changing business needs.

Preferred Qualifications

Experience with Docker and Kubernetes (AKS preferred).

Experience with event-driven architectures and messaging platforms.

Experience working in the banking or financial services industry.

Knowledge of secure software development practices and regulatory considerations in financial systems.

Awareness of sustainable coding practices and energy-efficient system design.

Benefits/Other Compensation

This position is a contract/temporary role where Hays offers you the opportunity to enroll in full medical benefits, dental benefits, vision benefits, 401K and Life Insurance ($20,000 benefit).

Why Hays?

You will be working with a professional recruiter who has intimate knowledge of the industry and market trends. Your Hays recruiter will lead you through a thorough screening process in order to understand your skills, experience, needs, and drivers. You will also get support on resume writing, interview tips, and career planning, so when there’s a position you really want, you’re fully prepared to get it.

Nervous about an upcoming interview? Unsure how to write a new resume?

Visit the Hays Career Advice section to learn top tips to help you stand out from the crowd when job hunting.

Hays is committed to building a thriving culture of diversity that embraces people with different backgrounds, perspectives, and experiences. We believe that the more inclusive we are, the better we serve our candidates, clients, and employees. We are an equal employment opportunity employer, and we comply with all applicable laws prohibiting discrimination based on race, color, creed, sex (including pregnancy, sexual orientation, or gender identity), age, national origin or ancestry, physical or mental disability, veteran status, marital status, genetic information, HIV-positive status, as well as any other characteristic protected by federal, state, or local law. One of Hays’ guiding principles is ‘do the right thing’. We also believe that actions speak louder than words. In that regard, we train our staff on ensuring inclusivity throughout the entire recruitment process and counsel our clients on these principles. If you have any questions about Hays or any of our processes, please contact us.

In accordance with applicable federal, state, and local law protecting qualified individuals with known disabilities, Hays will attempt to reasonably accommodate those individuals unless doing so would create an undue hardship on the company. Any qualified applicant or consultant with a disability who requires an accommodation in order to perform the essential functions of the job should call or text 813.336.5570.

Drug testing may be required; please contact a recruiter for more information.