Java Backend Lead Developer Jobs

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C / C++ / Java Software Developer

Cymertek Corporation

San Antonio, Texas, USA

Full-time

C / C++ / Java Software Developer LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and versatile C / C++ / Java Software Developer to join our dynamic team. In this role, you will work on developing, testing, and optimizing high-performance software solutions across multiple platforms. The ideal candidate will be passionate about coding, problem-solving, and working in a collaborative envi

QA Analyst

Edify Technologies, Inc.

Boca Raton, Florida, USA

Contract, Third Party

Job Title: QA Analyst Job Location: Boca Raton, FL Duration: 12+ Months About Edify: Headquartered in Naperville, IL, we are a dynamic team with over two decades of industry expertise, dedicated to delivering robust business solutions, staff augmentation, and a comprehensive range of application and web services. As a former recipient of INC. Magazine's prestigious '5000 Fastest Growing Private Companies' award, we take immense pride in our proven track record of success. At Edify Technologies

Software engineer- $150k No C2C or Sponsorship allowed

Vaco by Highspring

Memphis, Tennessee, USA

Contract

Remote Key Responsibilities:Develop and maintain LLM-based chatbot solutions that support natural language interaction with structured and unstructured data. Implement retrieval-augmented generation (RAG) using vector databases like SingleStore, Pinecone, or OpenSearch. Fine-tune and integrate LLMs (e.g., GPT-4, Claude, Mistral) for targeted business use cases. Build and maintain APIs using Node.js or Python, and collaborate with frontend teams integrating chatbot services. Deploy and manage AI

Java / Spring Developer

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Java / Spring Developer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and driven Java / Spring Developer to join our team and contribute to the development of robust and scalable enterprise applications. In this role, you will design, implement, and maintain Java-based solutions using the Spring framework, ensuring high performance, security, and reliability. You will collaborate with cross-

Java / Spring Developer

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Java / Spring Developer LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and driven Java / Spring Developer to join our team and contribute to the development of robust and scalable enterprise applications. In this role, you will design, implement, and maintain Java-based solutions using the Spring framework, ensuring high performance, security, and reliability. You will collaborate

Java / Spring Developer

Cymertek Corporation

Honolulu, Hawaii, USA

Full-time

Java / Spring Developer LOCATION Honolulu, HI 96815 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and driven Java / Spring Developer to join our team and contribute to the development of robust and scalable enterprise applications. In this role, you will design, implement, and maintain Java-based solutions using the Spring framework, ensuring high performance, security, and reliability. You will collaborate with cros

Java / Spring Developer

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Java / Spring Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and driven Java / Spring Developer to join our team and contribute to the development of robust and scalable enterprise applications. In this role, you will design, implement, and maintain Java-based solutions using the Spring framework, ensuring high performance, security, and reliability. You will collaborate with cro

Java / Spring Developer

Cymertek Corporation

Georgia, USA

Full-time

Java / Spring Developer LOCATION Fort Eisenhower, GA 30905 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and driven Java / Spring Developer to join our team and contribute to the development of robust and scalable enterprise applications. In this role, you will design, implement, and maintain Java-based solutions using the Spring framework, ensuring high performance, security, and reliability. You will collaborate wi

Java / Spring Developer

Cymertek Corporation

Reston, Virginia, USA

Full-time

Java / Spring Developer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and driven Java / Spring Developer to join our team and contribute to the development of robust and scalable enterprise applications. In this role, you will design, implement, and maintain Java-based solutions using the Spring framework, ensuring high performance, security, and reliability. You will collaborate with cross-

Java / Spring Developer

Cymertek Corporation

San Antonio, Texas, USA

Full-time

Java / Spring Developer LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and driven Java / Spring Developer to join our team and contribute to the development of robust and scalable enterprise applications. In this role, you will design, implement, and maintain Java-based solutions using the Spring framework, ensuring high performance, security, and reliability. You will collaborate with c

Java / Spring Developer

Cymertek Corporation

Aurora, Colorado, USA

Full-time

Java / Spring Developer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and driven Java / Spring Developer to join our team and contribute to the development of robust and scalable enterprise applications. In this role, you will design, implement, and maintain Java-based solutions using the Spring framework, ensuring high performance, security, and reliability. You will collaborate with cross-

Software Engineer Graduate (Experimentation and Evaluation) - 2025 Start (BS/MS)

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A212738A Apply to this job Share this listing: Responsibilities Our mission in the experimentation and evaluation team is to build the next-gen A/B testing platform, that empowers the company to make data-driven decisions for the products. The supported scenarios include recommendations, push, ads, search, mobile app, UI interaction and service upgrades etc. Our platform's capabilities cover the entire experiment life cycle, from ex

Senior Full Stack Software Engineer - GM Commercial Services

General Motors

Austin, Texas, USA

Full-time

Job Description Hybrid: This means the successful candidate is expected to report to their primary location (Austin, TX,) three times per week, at minimum. The Role: At General Motors, we have embarked on an ambitious journey to pioneer next-generation software solutions tailored for commercial fleet owners and their drivers, ranging from small and medium-sized businesses to large enterprises. As a leading Original Equipment Manufacturer (OEM), our extensive fleet of GM vehicles already travers

Oracle Fusion Middleware Developer

American IT Systems

Houston, Texas, USA

Contract, Third Party

Title: Oracle Fusion Middleware Developer Type of Hire: Contract Duration: 6+ Months Location: Houston, Texas (Only Locals) Certification Training or Certification on Java Application servers, Cloud Solutions and Oracle PL/SQL Language is an added plus. Summary: Oracle Fusion Developer will be primarily responsible for design, development, maintenance, and enhancement of IT applications in Oracle Fusion Middleware platform. Interfaces with clients at all organizational levels and takes business

Application Penetration Tester II

Vaco by Highspring

Jacksonville, Florida, USA

Full-time

Job Title: Application Security Tester (Mid-Level) Employment Type: Full-Time Location: Onsite Washington, DC Work Authorization: Must be authorized to work in the U.S. (no sponsorship available) OverviewWe are seeking a mid-level Application Security Tester. The ideal candidate will have strong communication skills, a passion for innovation, and the ability to solve complex problems in a collaborative environment. This role involves hands-on security testing of web and mobile applications, inc

.Net SDET Lead

PeopleNTech

Dallas, Texas, USA

Full-time

Position Title .Net SDET Lead Domain Banking / Finance Location Dallas/Southlake, TX Day one onsite. Skills backend API , webservices automation testing, Java, .Net, Python etc. Employment Type FTE Salary $120K to $130K (Based on candidates experience and interview feedback) Job Description SDET Lead8-12 Years Roles And Responsibilities: Configuring Test Environment order to set it up.Participating in Test Environment Setup with an Integrated Development Environment (IDE)Automating the design

Sr., Java Developer

OpTech

Remote

Contract

OpTech is seeking for strong Java Developer role for one of their Direct Clients. 100% Remote role. Contract Duration - 5 months. Only W2/No C2C Required Skills: Strong backend Java developer with JDBC/SPRING/SPRINGBOOT/SPRINGBATCH JAVA/J2EE Why work at OpTech? OpTech is a woman-owned company that values your ideas, encourages your growth, and always has your back. When you work at OpTech, not only do you get health and dental benefits on the first day of employment, but you also have training o

Java full stack developer

Quality IT Source, LLC

Mexico City, Mexico City, Mexico

Contract

need a full stack developer proficient is developong both front end and back end applications skills: Java springboot jquery sql AWS kafka

Senior Server Engineer, Trust & Safety

Strava, Inc.

Denver, Colorado, USA

Full-time

About This Role Strava is the app for active people. With over 150 million athletes in more than 185 countries, Strava is where connection, motivation, and personal bests thrive. No matter your activity, gear, or goals, we help you find your crew, crush your milestones, and keep moving forward. Our mission is simple: to motivate people to live their best active lives. We believe in the power of movement to connect and drive people forward. We're seeking a Senior Server Engineer to join our Tr

Full Stack Developer (ReactJs and React Native and Java)

SmartIT Frame

Minneapolis, Minnesota, USA

Contract

Job Title: Full Stack Developer (ReactJS, React Native, Java, Spring, Microservices) Location: Minneapolis, MN Job Description: We are seeking a skilled Full Stack Developer to build and maintain scalable web and mobile applications. The ideal candidate will be proficient in ReactJS, React Native, Java, Spring Boot, and microservices architecture. Key Responsibilities: Design and develop responsive applications for web and mobile platforms. Build and integrate RESTful APIs in a microservices-ba