Req 26-03276 · Remote · Contract
Java Developer
Remote contract role (US), paying $60–$65/hr. An ApTask vertical recruiter manages your submission on this live client requisition.
- Requisition
- 26-03276
- Location
- Remote (US)
- Type
- Remote · Contract
- Compensation
- $60–$65/hr
- Posted
- 1 week ago (as of Oct 13, 2026, 5:36 PM EDT)
Skills: Java
Your résumé routes to the vertical recruiter who owns this requisition. Identity-verified profile, never resold or syndicated.
Pay transparency disclosures
Required information for this posting
Applies to: Colorado · Washington · California · New York · Illinois · Hawaii · Maryland · Minnesota · Vermont · Massachusetts · New Jersey · Washington, D.C.
- Compensation
- Anticipated pay range for this role: $60–$65 per hour. Where you land within the range depends on validated experience, the depth of the stack match, and — for contract engagements — the bill rate the client has locked in for this requisition.
- Other compensation
- No additional bonuses, commissions, tips, or piece-rate compensation are anticipated for this role beyond the pay range above, unless specifically noted in the description. Any additional compensation would be described in your written offer letter.
- Benefits
- If selected, you will be employed by ApTask on W-2 payroll for the duration of your assignment. During your engagement, you are eligible for subsidized benefits including health care (medical, dental, and vision insurance), retirement benefits (401(k) plan), paid days off (state-mandated paid sick leave), and other tax-reportable benefits including commuter benefits. Specific plan details, premium contributions, and coverage tiers will be provided at the time of your offer and are subject to plan terms.
- How and when to apply
- To apply, use the "Apply now" button above to submit your résumé and contact information. Applications are anticipated to close on December 1, 2026. This is a good-faith estimate; the deadline may be extended if the position remains open, and any extension will be reflected in the updated posting date.
- Colorado Healthy Families and Workplaces Act (HFWA)
- This position accrues paid leave for health and safety needs under Colorado's Healthy Families and Workplaces Act (HFWA), consistent with the statute's minimums for the work schedule. HFWA paid leave applies to all Colorado employees regardless of employment type (full-time, part-time, temporary, or contract).
- New York City and Westchester applicants
- If this role is or may be performed in New York City, Westchester County, or Ithaca, additional local pay-disclosure ordinances apply. The pay range shown above is intended to comply with those ordinances as well.
This posting is intended to comply with the pay transparency disclosure requirements of the state(s) listed above — C.R.S. § 8-5-201; 7 CCR 1103-18; RCW 49.58.110; Cal. Lab. Code § 432.3; N.Y. Lab. Law § 194-b; 820 ILCS 112/10; HRS § 378-2.4; Md. Code Ann., Lab. & Empl. § 3-304.2; Minn. Stat. § 181.173; 21 V.S.A. § 495m; M.G.L. c. 149, § 105F; N.J.S.A. 34:6B-24; D.C. Code § 32-1451.02. If any information here appears inconsistent with the description below, this disclosure block controls — it is the authoritative statement of pay and benefits for this posting.
About the role
Rate Range: $60-$65/Hr
Job Description:
We are seeking an experienced Senior Core Java Developer with 10+ years of hands-on software development experience to design, develop, enhance, and maintain high-performance enterprise applications.
The ideal candidate will have strong expertise in Core Java, Java/J2EE, multithreading, concurrency, collections, JVM, design patterns, and object-oriented programming.
The candidate will work closely with architects, product managers, QA engineers, and other development teams to deliver scalable, reliable, and high-quality software solutions.
Key Responsibilities:
Design, develop, test, and maintain enterprise applications using Core Java.
Develop scalable and high-performance backend services and applications.
Apply strong knowledge of Object-Oriented Programming (OOP), SOLID principles, and design patterns.
Work extensively with Java Collections, Exception Handling, Multithreading, Concurrency, Generics, Streams, and Lambda expressions.
Analyze application performance and troubleshoot complex production issues.
Perform JVM tuning, memory analysis, garbage collection analysis, and performance optimization.
Design and implement reusable, maintainable, and testable software components.
Develop and integrate RESTful APIs and web services.
Work with relational and NoSQL databases and optimize SQL queries when required.
Participate in application architecture and technical design discussions.
Conduct code reviews and provide technical guidance to junior and mid-level developers.
Collaborate with QA teams to develop unit, integration, and automated tests.
Identify technical risks and recommend appropriate solutions.
Troubleshoot defects and production issues and provide root-cause analysis.
Contribute to CI/CD, automated build, deployment, and DevOps processes.
Ensure applications follow security, coding, performance, and development best practices.
Prepare technical documentation and contribute to engineering standards.
Required Skills:
10+ years of professional Java development experience
Strong expertise in Core Java
Strong understanding of:
Java Collections Framework
Multithreading & Concurrency
Exception Handling
Generics
Java Streams
Lambda Expressions
Java Memory Management
JVM Architecture
Garbage Collection
Serialization
Strong knowledge of Object-Oriented Design and Design Patterns
Experience with Java 8+, preferably Java 11/17/21
Strong experience developing REST APIs / Web Services
Experience with Spring / Spring Boot
Strong SQL and relational database experience
Experience with databases such as Oracle, PostgreSQL, MySQL, or SQL Server
Experience with JUnit, Mockito, or other testing frameworks
Experience with Git and source-control practices
Experience with Maven or Gradle
Understanding of CI/CD pipelines and DevOps practices
Strong debugging and problem-solving skills
Preferred Skills:
Experience with Microservices architecture
Experience with Kafka, RabbitMQ, or other messaging platforms
Experience with Docker and Kubernetes
Cloud experience with AWS, Azure, or GCP
Experience with distributed systems and high-volume applications
Knowledge of caching technologies such as Redis
Experience with application servers such as Tomcat, WebLogic, or JBoss
Experience with performance monitoring and observability tools
Knowledge of secure coding practices and application security
Education:
- Bachelor s or Master s degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent professional experience.
Key Technical Keywords:
- Core Java, Java, Java 8+, Java 11, Java 17, Java 21, J2EE, OOP, Collections, Multithreading, Concurrency, JVM, Garbage Collection, Memory Management, Design Patterns, SOLID, Spring, Spring Boot, REST API, Microservices, SQL, Oracle, PostgreSQL, MySQL, JUnit, Mockito, Maven, Gradle, Git, Docker, Kubernetes, Kafka, AWS, Azure, GCP, CI/CD.
About ApTask: ApTask is a leading global provider of workforce solutions and talent acquisition services, dedicated to shaping the future of work. As an African American-owned and Veteran-owned company, ApTask offers a comprehensive suite of services, including staffing and recruitment solutions, managed services, IT consulting, and project management. With a focus on excellence, collaboration, and innovation, ApTask provides unparalleled opportunities for professional growth and development. As a member of the ApTask team, you will have the chance to connect businesses with top-tier professionals, optimize workforce performance, and drive success across diverse industries. Join us at ApTask and be part of our mission to empower organizations to thrive while fostering a diverse and inclusive work environment.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Candidate Data Collection Disclaimer: At ApTask, we prioritize safeguarding your privacy. As part of our recruitment process, certain Personally Identifiable Information (PII) may be requested by our clients for verification and application purposes. Rest assured, we strictly adhere to confidentiality standards and comply with all relevant data protection laws. Please note that we only collect the necessary information as specified by each client and do not request sensitive details during the initial stages of recruitment.
If you have any concerns or queries about your personal information, please feel free to contact our compliance team at compliance@aptask.com.
Applicant Consent: By submitting your application, you agree to ApTask's (https://aptask.com) Terms of Use and Privacy Policy, and provide your consent to receive SMS and voice call communications regarding employment opportunities that match your resume and qualifications. You understand that your personal information will be used solely for recruitment purposes and that you can withdraw your consent at any time by contacting us at 732-355-8000 or help@aptask.com. Message frequency may vary. Msg & data rates may apply.
About technology at ApTask
Technology roles at ApTask cover the software, cloud, data, security, and platform-engineering functions that power Fortune 500 digital operations. Our recruiters specialize in high-signal technical calibration — every candidate is validated against the specific stack, framework versions, and deployment context the client runs, not a keyword match. Our largest engagements sit inside AWS, Azure, GCP, Snowflake, Databricks, and modern data-mesh estates. Because we route through Fieldglass, Beeline, Workday VNDLY, and Coupa VMS, technology contractors placed through ApTask carry MBE diversity spend against the client's supplier program while remaining W-2 with full benefits under our payroll.
What happens after you apply.
1. Verified profile
Submit your résumé and complete the ApTask identity + skills verification. We check right-to-work, background, and technical calibration once — never resell or re-verify — so future roles surface faster.
2. Recruiter calibration call
Within one business day, the recruiter who owns this requisition reviews your profile against the client's specific stack, arrangement, and start-date requirements. You'll hear back either way — no ghosting.
3. Client interview
If your profile is a fit, we present you to the hiring team. Most clients run 2-3 interview stages: hiring-manager screen, technical panel, and final. We prep you with the exact scorecard criteria before each round.
4. Offer + onboarding
On acceptance, you onboard W-2 with ApTask. Benefits, payroll, and timesheets run through us. Your recruiter stays your point of contact for the length of the engagement.
Ready to apply? Two minutes, one profile.
Your résumé routes to the recruiter who owns this requisition. Identity-verified once, matched against every future ApTask role that fits your stack. Not sure a message really came from ApTask? Verify a recruiter first.
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