Senior Core Java Developer jobs

Chicago, Illinois

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17d ago

Job Details: Position: Sr Java Developer Location: Chicago, IL (Hybrid - 2 3 days/week) Type: Contract (W2, 1099) Job Overview: We are seeking experienced Sr Java Developer with strong expertise in AWS cloud technologies to join our engineering team. These roles report to the Software Engineering Manager and involve contributing to new program development and maintaining existing mobile, web, cloud, and server systems. Candidates must be comfortable working in a collaborative Agile environment

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Contract

$50 - $60

Senior Java Developer

Newark, Delaware

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Today

Job#: 3053890 Job Description: Senior Java Developer Location: Newark, Delaware (Hybrid) Employment Type: Contract Contract Duration: 12 Months Role Overview This role is for a Senior Java Developer who will provide technical leadership, direction, and oversight to development teams. The position involves leading the design, development, implementation, and maintenance of complex enterprise applications. The role requires collaboration with business and technology stakeholders to translate

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Full-time

$63 - $65 per hour

Senior Java Developer

Hybrid in Virginia Beach, Virginia

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2d ago

JOB DESCRIPTION Position: Senior Java Developer / Technical Lead - Enterprise Backend Location: Remote Experience Level: Senior (15+ years) Employment Type: Contract Position Experience: Senior (15+ Years) KEY RESPONSIBILITIES - Design and develop microservices using Spring Boot, delivering APIs with 99.9%+ uptime handling 10,000+ daily transactions - Architect database schemas, optimize queries, and implement caching strategies to improve performance by 30-40% - Lead teams of 6-8+ engineers

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Contract, Third Party

50 - 55

Senior Java Developer

Remote

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Today

Role: Sr Java Developer Location: Remote Duration: 12+ Months Job description: Looking for a Senior Java Developer with at least 8-10 years of experience in Java development, Springboot, Microservice and AWS. Candidate should have experience in Financial or Insurance domain. Good to have experience in AI tools.

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Contract

Senior Java Developer(W2 G C and Citizens Only)

Wilmington, Delaware

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3d ago

Job Title: Senior Java Developer (603) Location: Wilmington, DE Duration: 6 months (right to hire) 2 days onsite required Notes: Support transaction team, applications are all backend, java based microservicesSenior level, lead knowledge and willing to jump in and offer up ideas and be very collaborative, mentor code reviewsAWS skills are mostly ECSFamiliar with building agents is keyTop Skills/Notes Java, Spring Boot, Microservices, APIs, Kafka, Cassandra & AWS Application development and syste

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Contract

Sr. Java Developer

Phoenix, Arizona

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Today

Job Title: Sr. Java Developer Location: Phoenix, AZ Hybrid Job Summary: We are seeking an experienced Senior Java Developer with 10+ years of software development experience and strong expertise in Java, Spring Boot, Spring Cloud, Microservices, and AWS. The ideal candidate will be responsible for designing, developing, and deploying scalable, secure, and high-performance backend applications and cloud-native solutions for enterprise environments. Strong experience with AWS, Docker, Kubernetes,

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Contract, Third Party

Senior Java Developer

Phoenix, Arizona

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30+d ago

Senior Java Developer Location: Phoenix, AZ | Type: Contract (C2C or W2) Integration Architects places senior engineers on contract engagements with our client companies. We are building a roster of Java talent we can match to client projects as they come up. If you are looking for one permanent seat, this is not it. If you want a steady pipeline of contract work with a firm that markets you and then gets out of your way, keep reading. You will design and build scalable backend services for our

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Contract

65 - 70

Senior Java Developer

Jersey City, New Jersey

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30+d ago

Senior Java Developer Location: New Jersey | Type: Contract (C2C or W2) Integration Architects places senior engineers on contract engagements with our client companies. We are building a roster of Java talent we can match to client projects as they come up. If you are looking for one permanent seat, this is not it. If you want a steady pipeline of contract work with a firm that markets you and then gets out of your way, keep reading. You will design and build scalable backend services for our e

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Contract

65 - 70

Senior Full-Stack Java Developer

Fremont, California

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3d ago

Job Title: Senior Full-Stack Java Developer Location: This is an on-site position based at Fremont, CA office. Duration: Longterm Job Description: Client is looking for an experienced Senior Full-Stack Java Developer with 8-10 years of experience to join our dynamic team in Fremont, CA. In this role, you will be responsible for both developing new, cutting-edge features and maintaining our existing, high-performance applications. Key Responsibilities Design, develop, and maintain robust and

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Contract, Third Party

Depends on Experience

Senior Java Developer Full Time

Hybrid in White Plains, New York

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Today

Senior Java Developer Full Time Employment Type: Full-Time Compensation: $130,000 $140,000 Base + Bonus Eligible Work Authorization: Candidates must be authorized to work in the U.S. without current or future visa sponsorship. Our direct client, based in White Plains, NY, is seeking a Senior Java Developer who embraces AI-augmented development practices. You will be a part of the transformational journey to deliver best in class systems to support company's business lines, across all channels.

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Full-time

Depends on Experience

Senior Java Developer

Hybrid in Columbia, South Carolina

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3d ago

Client: health insurance industryJob:Senior Java DeveloperLocation: On-site 3 days per week in Columbia, SCJob type: 1-year contract, open to extensions and converting to permanentJob Description:Day-to-Day Responsibilities: Analyze, design, program, and implement the most complex application tasks and projects in the areaDevise feasible, logical procedures to solve business problems using computer resourcesFormulate scope and objectives through research to develop or modify complex systemsProvi

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Contract

Depends on Experience

Sr. Java Developer

Hybrid in Charlotte, North Carolina

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Yesterday

Job Description: Responsibilities Design, develop, and maintain Java-based back-end services and APIs for risk and finance applications Build responsive front-end applications in Angular Contribute to solution design and architecture decisions; review code and mentor mid-level developers Integrate AI/ML capabilities (e.g., LLM APIs, model outputs, intelligent automation) into existing applications Work with large data sets from trading, positions, and risk systems; optimize performance and

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Contract

55 - 65

Senior Java Developer

Remote or Hybrid in Harrisburg, Pennsylvania

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13d ago

Senior Java Developer / Full-Time / Remote / Harrisburg, PA Become a member of a growing team of Information Technology professionals making an impact and providing solutions for Government and Commercial clients since 1996 Join the Domino Tech Team! The Position: Position Title: Senior Java Developer Location: Remote Off-Site with Client in Harrisburg, PA Duration: 12+ Month Initial with Contract To Hire Option We are seeking an experienced Senior Java Developer with 5+ years of experience to

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Full-time

Depends on Experience

Senior Java Developer

Hybrid in Dallas, Texas

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13d ago

Need 10+years Java consultant.Strong proficiency in Java, with a solid understanding of object-oriented programming.Implement user-stories - coding user stories, unit testing, create high level design / low level design, ensure code-coverage, conduct design and code reviews, create design artifactsLinux/Unix administration & Shell scriptingExperience with Spring Framework (Spring Boot, Spring MVC, Spring Security).Proficient in front-end technologies such as GWT, HTMLExperience in microservices

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Full-time

Depends on Experience

Senior Java Developer

New York, New York

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10d ago

Position - Senior Java Developer Location - Downtown NYC Environment - Onsite Term - 12-month assignment Pay Rate - $85.00-$110.00 per hour on W2 Senior Java EngineerExperience: 10+ years Position OverviewWe are seeking a highly experienced Senior Java Engineer to serve as a hands-on technical contributor and subject matter expert within a complex enterprise environment. This individual will design, develop, test, and support scalable applications while partnering closely with product and engine

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Contract

85 - 110

Senior Java Developer

Austin, Texas

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Today

Join the Texas Health and Human Services Commission (HHSC) and be part of a team committed to creating a positive impact in the lives of fellow Texans. At HHSC, your contributions matter, and we support you at each stage of your life and work journey. Our comprehensive benefits package includes 100% paid employee health insurance for full-time eligible employees, a defined benefit pension plan, generous time off benefits, numerous opportunities for career advancement and more. Explore more detai

Full-time

USD 7,716.66 - 10,084.00 per month

Java Full-Stack Developer Senior

Ashburn, Virginia

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Today

Job ID: 2616209 Location: Ashburn, VA, US Date Posted: 2026-08-27 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer-oriented Mid-level Java/JEE Developer to join our team to begin an exciting and challenging career in Ashburn, VA. This position will be 4

Full-time

USD 120,001.00 - 160,000.00 per year

Senior Java Developer

Atlanta, Georgia

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Today

Overview Job Purpose ICE Data Services (an Intercontinental Exchange company) is seeking a senior Java engineer for its Core Technology team, which builds and maintains Omega - ICE's proprietary data distribution and transformation framework, and supports a development community spanning Bond Pricing, Reference Data, and Index. We're looking for a versatile engineer with a systems-design mindset: comfortable working at the framework level and building applications on top of it, including the

Full-time

Senior Full Stack Java Developer

Randolph Air Force Base, Texas

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Today

Job Title: Senior Full Stack Java Developer Location: Remote Position Summary: The Senior Java/React Developer will design, develop, integrate, test, deploy, and maintain enterprise applications and microservices supporting mission-critical business operations. The developer will work across the full software development lifecycle and collaborate with architects, product owners, QA engineers, DevSecOps engineers, and other development teams to deliver secure, scalable, and high-quality soluti

Full-time

Senior Java Developer

Remote or Atlanta, Georgia

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Today

RESPONSIBILITIES: Kforce has a client seeking a remote Senior Java Developer to join their team. They are focused on developing and enhancing enterprise applications that support critical customer and business operations. This role will contribute to large-scale modernization initiatives, helping streamline user experiences across multiple business processes and platforms. Summary: The ideal candidate will have strong expertise in backend development, cloud-native services, and modern software

Contract

$42 - $48 hourly