Senior Backend Developer – Platform Engineering

Apex Systems

Merrifield (VA)

Hybrid

USD 96,432 - 119,851

Full time

14 days+

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Benefits offered by this job

ESPP
401K match
HSA Health Savings Account
Employee Assistance Program (EAP)

Job summary

Everforth Apex Systems is seeking a Senior Backend Developer for Platform Engineering in Merrifield, VA. This hybrid role focuses on backend services powering banking channels, with leadership in Java ecosystems, cloud-native architectures, and modern CI/CD practices.

You will mentor junior engineers and collaborate with product teams on architecture and feature delivery. The ideal candidate has extensive Java 17+ experience, Spring Boot, REST/microservices, Azure cloud, and a strong emphasis on

Qualifications

  • Strong experience developing Java 17+ applications.
  • Proficient with Spring Framework and Spring Boot.
  • Experience designing RESTful APIs and microservices.

Responsibilities

  • Design, develop, enhance, and support backend services and APIs.
  • Build scalable, secure, cloud-native applications on Azure.
  • Contribute to architecture discussions and technical solutioning.
  • Collaborate with cross-functional teams to deliver features.
  • Identify bottlenecks, troubleshoot issues, and optimize performance.
  • Build and maintain CI/CD pipelines with Azure DevOps and automation.

Skills

Java
Spring Boot
REST APIs
Microservices
Azure
Azure DevOps
Cloud-native
Mentorship
Git
CI/CD

Tools

Docker
Kubernetes
AKS
Git
Azure DevOps

Job description

# Senior Backend Developer – Platform EngineeringApply**Job#: 3044390****Job Description:**Senior Backend Developer – Platform Engineering**Location:** Merrifield, Virginia (Hybrid)Role OverviewWe are seeking a Senior Backend Developer for the design, development, modernization, and support of backend services that power mobile and online banking channels. This role involves partnership with product teams, architects, and other engineers to deliver scalable, secure, and resilient solutions. The ideal candidate is a Java engineer who provides technical leadership, cloud expertise, and will help drive application modernization and mentor team members.Key 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.* Identify performance bottlenecks, troubleshoot issues, and implement solutions.* Conduct code reviews and champion engineering best practices and quality standards.* 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, and root cause analysis.* Mentor and provide technical guidance to junior engineers.* Evaluate and leverage AI-assisted development tools to improve productivity.* Help maintain code quality, organization, documentation, and automation standards.Required Qualifications* 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, and API Management.* Experience with Git-based source control and Azure DevOps Repos.* 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 like GitHub Copilot.* Strong analytical, problem-solving, communication, and collaboration skills.* Demonstrated ability 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. *Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.**Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy**Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.**Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.**If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at accommodations@apexsystems.com or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.**UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.***Employee Type:** Contract**Location:** Merrifield, VA, US**Job Type:****Date Posted:** July 30, 2026**Pay Range:** $70 - $87 per hour
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