Sr. Java Developer
3B Staffing LLC
Job Description:
Role Overview
We are seeking a highly skilled Senior Java Backend Engineer to join our Digital Channels API team supporting client profile services and modernization initiatives. This role focuses on building and enhancing high-performance microservices, supporting production systems, and driving engineering excellence across our API ecosystem.
You will work in a cloud-native AWS environment, developing REST and GraphQL APIs, optimizing PostgreSQL performance and supporting mission critical production workloads.
Key Responsibilities
• Design, develop, and enhance backend services using Java and Spring Boot.
• Build and maintain REST and GraphQL APIs.
• Write and optimize complex PostgreSQL queries.
• Perform database schema changes and performance tuning.
• Support modernization efforts including DB2 retirement.
• Participate in code reviews and enforce best practices.
• Provide production support and troubleshoot performance issues.
• Develop and maintain AWS-based services (Lambda, ECS, RDS, S3, SQS).
• Collaborate closely with SRE and platform teams to ensure resiliency and observability.
• Contribute to CI/CD pipelines using Maven and modern build tools.
Required Qualifications
• 6-8+ years of backend development experience.
• Strong proficiency in Java and Spring Boot.
• Experience building and supporting microservices-based architectures.
• Hands-on experience with PostgreSQL, including query optimization and schema design.
• Experience working with AWS services such as Lambda, ECS/EKS, RDS, S3, SQS.
• Experience developing or supporting GraphQL APIs.
• Strong understanding of production support and troubleshooting practices.
• Experience participating in structured code reviews
• Strong analytical and communication skills.
Nice to Have
• Exposure to Python or Node.js scripting.
• Experience with observability tools such as Splunk, Honeycomb, or Grafana.
• Familiarity with API testing tools such as Bruno or Postman.
• Understanding of SRE principles.
Role Overview
We are seeking a highly skilled Senior Java Backend Engineer to join our Digital Channels API team supporting client profile services and modernization initiatives. This role focuses on building and enhancing high-performance microservices, supporting production systems, and driving engineering excellence across our API ecosystem.
You will work in a cloud-native AWS environment, developing REST and GraphQL APIs, optimizing PostgreSQL performance and supporting mission critical production workloads.
Key Responsibilities
• Design, develop, and enhance backend services using Java and Spring Boot.
• Build and maintain REST and GraphQL APIs.
• Write and optimize complex PostgreSQL queries.
• Perform database schema changes and performance tuning.
• Support modernization efforts including DB2 retirement.
• Participate in code reviews and enforce best practices.
• Provide production support and troubleshoot performance issues.
• Develop and maintain AWS-based services (Lambda, ECS, RDS, S3, SQS).
• Collaborate closely with SRE and platform teams to ensure resiliency and observability.
• Contribute to CI/CD pipelines using Maven and modern build tools.
Required Qualifications
• 6-8+ years of backend development experience.
• Strong proficiency in Java and Spring Boot.
• Experience building and supporting microservices-based architectures.
• Hands-on experience with PostgreSQL, including query optimization and schema design.
• Experience working with AWS services such as Lambda, ECS/EKS, RDS, S3, SQS.
• Experience developing or supporting GraphQL APIs.
• Strong understanding of production support and troubleshooting practices.
• Experience participating in structured code reviews
• Strong analytical and communication skills.
Nice to Have
• Exposure to Python or Node.js scripting.
• Experience with observability tools such as Splunk, Honeycomb, or Grafana.
• Familiarity with API testing tools such as Bruno or Postman.
• Understanding of SRE principles.
Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Sr. Java Developer in Charlotte, NC vacancy
- ...Java Developer Duration: 6 to 12 Months Contract Location: NC, TX Job Description: experience engineering awesome solutions. Bachelor’s degree in computer science or Engineering or equivalent experience demonstrated experience working in modernized...SeniorContract work
- ...Required Qualifications: ~8+ years of experience in Java development within enterprise environments. ~ Proven experience working with iCertis Contract Management Platform. ~ Strong understanding of RESTful APIs, SOAP, XML, JSON, and other integration protocols...SeniorContract work
- ...Job Title: Sr. Java Developer Location - Charlotte, NC / Plano, TX / Atlanta, GA (Onsite) Fulltime Job Summary Seeking a Senior Java Developer with strong experience in Kafka, IBM MQ/JMS, and MuleSoft to build and support scalable, event-driven...SeniorFull time
- ...Full Stack Developer Location: Durham, NC, TX, MMR (3D/Month from September). Duration: Long Term Contract Top skills: Spring... ...experience — some portion in Web Infrastructure development. 9+ years Java experience. Good knowledge of Spring framework and at least...SeniorLong term contract
- ...Senior Software Developer Clear Markets is a leading developer and operator of derivative trading platforms for the world’s most sophisticated... ...~ Extensive Knowledge and experience in: ~5+ years - Java server side application development ~2+ years - Java...SeniorWorldwide
- ...JD: Minimum 8+ years of experience in Java/J2EE Technologies • Minimum 5 years of development experience in Core Java/J2EE Web services (JSP, Servlets, JDBC, JNDI, XML,WSDL, SOAP,REST, EJB, HTML, DHTML, CSS, JavaScript, AJAX, and XML) • Open-source frameworks...Senior
- ...Software Engineer 4 (Sr. Java Developer) Duration: 12+ months (potential to extend) Locations: Charlotte, NC (preferred) and Iselin, NJ – Hybrid role (3 days onsite in a week) Top Skills (Non-negotiables) Java, Spring boot, Microservices, Kafka, Mongo DB,...Senior3 days per week
$60k - $135k
...Sr Java Developer Work Location: Charlotte, NC 7+ years' experience overseeing enterprise-grade platform solutions. Experience in a highly Agile continuous integration and continuous deployment environment, preferably within a financial domain. Strong experience in...SeniorMinimum wageLocal area- ...Sr. Java Developer With Kafka, MQ, Mulesoft Location: Charlotte, NC / Plano, TX / Atlanta, GA Duration: Fulltime Job Description: 10+ years Sr. Java Developer with Kafka, MQ, Mulesoft Must Have Technical/Functional Skills: ~ Java, Spring MVC, Spring...SeniorFull time
$90k - $125k
...Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain... ...markets. Our Challenge: We are seeking an experienced Java Enterprise Architect with proven Greenfield design expertise and...SeniorTemporary workFlexible hours- Responsibilities Design, develop, and maintain secure Java/J2EE-based applications, ensuring adherence to enterprise security standards and best practices. Perform regular code reviews and security assessments to detect code smells, insecure patterns, and misconfigurations...SeniorWork experience placement
- Sr. Java Developer (Application Security / FTE / Hybrid / USC, GC, H4/L2 EAD) Date: May 4, 2026 Location: Charlotte, NC, US Company: NTT DATA Services We are currently seeking a Sr. Java Developer (Application Security / FTE / Hybrid / USC, GC, H4/L2 EAD) to join our team...SeniorWork experience placement
- ...Position Title: Sr Java Full Stack Developer - Face to Face interview in Charlotte NC Location: Charlotte, NC Oracle Coherence : strong experience Needed on that Please find some One asap. This is 100 % closable job. I don't need Native Americans Any Visa...SeniorImmediate start
- ...Senior Java Developer 100% onsite presence needed Position: Senior Java Developer Location: Charlotte, NC Duration: 12 Months Senior Java Developer who has got extensive experience on core Java, multithreading, spring modules, REST API, knowledge on.NET and .NET...Senior
- Role: Full Stack Developer Location: Charlotte, NC (Onsite from Day 1) - Locals required for in person interview Job Type: Contract I am... ...Full Stack Developer with 8-10 years of hands‑on expertise in Java/J2EE, Spring Boot, Angular, Python, Reactive Programming, and Microservices...SeniorContract workLocal area
- ...you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Sr. Java Developer (Application Security / FTE / Hybrid / USC, GC, H4/L2 EAD) to join our team in Charlotte , North Carolina (US-NC) ,...SeniorWork experience placementWork at officeRemote workFlexible hours
- ...Senior Java Spring Boot Developer Location: Charlotte, NC Position Type: Contract • Bachelors' degree in Computer Science, Engineering, Information Technology, or related area. • 8+ years of professional Java Software Engineering experience. • 3+ years of...SeniorContract work
- ...Senior Java Developer We are seeking a Senior Java Developer to support a large-scale legacy Collections application modernization initiative. This role will focus primarily on Core Java backend development, microservices, and Kafka integration while supporting the...Senior
- ...Title: Java Developer Duration: Long Term Contract Location: Charlotte, NC (Onsite) Rate Range: $65/hr. - $57/hr. Interview mode: Video Conference/In-Person Joining: ASAP This is the description. Mandatory skills - Angular (10-18), Java...SeniorLong term contractWork experience placementImmediate start
- ...Available! The details are below. "Beware of scams. S3 never asks for money during its onboarding process." Job Title: Senior Java Developer Contract Length: 12+ months Location: Charlotte, NC 28262, Irving, TX/ Plano, TX/ Phoenix, AZ/ Columbus, OH Hybrid (3...SeniorContract workVisa sponsorship3 days per week
- ...Java Developer (Senior) Location: Charlotte, NC (Day 1 onsite - no flexibility) Duration: 6+ Months Must have: Java, Spring Boot, Drools - Senior Software Engineer • 5+ years of development experience in Java/J2EE and DROOLS technologies • 3+ years of development...Senior
- ...Senior Java Developer I, Swati, would like to share a job opportunity as Senior Java Developer based in Charlotte, NC / Plano, TX / Atlanta, GA / Newark, DE, location for a Fulltime position. Role: Senior Java Developer Job Location: Charlotte, NC / Plano, TX...SeniorFull time
$65 per hour
...Trident Consulting is seeking a "Senior Java Developer " for one of our client in Charlotte, NC. A global leader in business and technology services. Job Title: Senior Java Developer Location: Onsite at Charlotte, NC Job Type: Contract...SeniorContract work- ...authentication solutions across a highly regulated environment. Day To Day Design, develop, and enhance enterprise identity and password management applications using Java, Python, and related technologies Support and integrate RESTful APIs, backend services,...Senior
- ...a strong background in payments systems/financial services and Java-based applications(domain work middleware payments). This role... ...teams MUST HAVE:- recent BA/PO experience - background as a developer or technical analyst working within a java environment - financial...Senior
- ...services e.g. AWS lambda, SQS, step functions, EKS, S3, RDS, SNS, API Gateway Have hands on experience coding using AWS SDK and java Have experience in BitBucket or any source control system Have understanding on different CI/CD approach. Concourse will be added...Senior
- Overview We are seeking a highly experienced Senior Java Developer with 8-10 years of backend development expertise. The role focuses on supporting identity and access management (IAM) services, including dual-factor authentication and user identity creation. The ideal...Senior
- ...Immediate need for a talented Senior Java Developer. This is a 18+month contract opportunity with long-term potential and is located in Charlotte, NC(Hybrid). Please review the job description below and contact me ASAP if you are interested. Job ID: 26-12111 Pay Range...SeniorContract workLocal areaImmediate start
- ...Senior Java Developer Fortune 100 financial services organization that is the leading retirement provider for people who work in the academic, research, medical and cultural fields. Job Description Job Title: Senior Java Developer Location: Charlotte, NC...Senior
- ...Senior Core Java Developer Location: San Leandro (Preferred) / Charlotte, Dallas Duration: 6+ Months Job Description: ~8+ years of IT Experience ~4+ years of Core Java ~3+ years Microservices & restful APIs ~2+ years Agile ~4+ years of experience...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Sr. Java Developer. Be the first to apply!
Related searches
- junior java developer no experience Charlotte, NC
- full stack java developer Charlotte, NC
- java angular developer Charlotte, NC
- java developer full time Charlotte, NC
- entry level java developer remote Charlotte, NC
- java developer contract Charlotte, NC
- java web developer Charlotte, NC
- java developer c2c Charlotte, NC
- java developer remote Charlotte, NC
- java developer Charlotte, NC


