7 results for Jacksonville Fl jobs

Java Back End Developer

Los Angeles, CA
onsite
Temporary
66.5 - 77 USD / Hourly
We are looking for an experienced Java Back End Developer to join our team on a contract basis in Commerce, California. This role focuses on developing and integrating robust backend solutions, ensuring seamless functionality and optimal system performance. The ideal candidate will possess advanced technical expertise and a strong ability to troubleshoot and debug complex systems. Responsibilities: • Develop and maintain backend systems using Java, ensuring high performance and reliability. • Implement file parsing, transformation, and generation processes to meet project requirements. • Integrate hardware systems and middleware applications, leveraging preferred technologies. • Conduct file format conversions and ensure compatibility across various platforms. • Design, develop, and maintain APIs to support data mapping and middleware logic. • Debug, test, and troubleshoot backend systems to ensure smooth integration and functionality. • Collaborate with cross-functional teams to align backend solutions with overall project goals. • Deliver high-quality code that adheres to best practices and industry standards. • Optimize backend processes to improve efficiency and scalability. • Document technical solutions and processes for future reference.
2026-03-12T00:00:00Z

Java Back End Developer

Chicago, IL
remote
Temporary
50 - 60.6 USD / Hourly
We are looking for a skilled Back End Developer to join our team on a long-term contract basis in Chicago, Illinois. In this role, you will contribute to the development and enhancement of mobile application back-end services for a large enterprise client. This is an opportunity to work within a collaborative environment alongside front-end and data specialists, focusing on impactful solutions. Responsibilities: • Design, build, and maintain scalable back-end services using Kotlin and Java. • Develop APIs and configure endpoints for production environments. • Collaborate with front-end and data teams to ensure seamless integration across systems. • Utilize modern frameworks and tools such as Ktor, Gradle/Maven, Liquibase, JUnit, and KoTest. • Work within cloud-native environments, leveraging platforms like AWS Elastic Beanstalk, Lambda, and Postgres. • Implement trunk-based development workflows through GitHub to ensure efficient and collaborative coding practices. • Troubleshoot and resolve technical issues to maintain system reliability and performance. • Participate in code reviews and contribute to the continuous improvement of development processes. • Follow best practices for software development to deliver high-quality, maintainable code.
2026-03-06T00:00:00Z

Java Native Developer

Middleton, WI
remote
Temporary
49.0865 - 56.837 USD / Hourly
We are seeking a Mid–Senior Level Android Mobile Developer to support and maintain a suite of existing enterprise mobile applications. This role focuses on supporting legacy applications that are currently in “keep the lights on” mode, ensuring stability while performing upgrades and addressing technology components that are reaching end-of-support.This is not a greenfield development role. The work will involve maintaining and enhancing existing applications as they move through their lifecycle and eventually toward sunset.The ideal candidate is comfortable working in legacy environments, implementing upgrades, and supporting production systems within an Agile / SAFe development framework.Key Responsibilities<ul><li>Maintain and support existing Android mobile applications built with Java Native</li><li>Implement upgrades and updates to keep applications functional and secure</li><li>Address out-of-support technologies and framework updates</li><li>Troubleshoot and resolve issues within existing mobile applications</li><li>Participate in Agile / SAFe ceremonies, including stand-ups, sprint planning, ticket management, and story refinement</li><li>Collaborate with cross-functional teams supporting backend and integration layers</li><li>Contribute to both mobile application updates and related system maintenance</li></ul>Required Qualifications<ul><li>Mid–Senior level developer experience (not a Lead or Architect role)</li><li>Strong experience building Android mobile applications using Java Native</li><li>Experience working directly with Android frameworks and SDKs</li><li>Experience with TypeScript</li><li>Experience working within Agile development environments, ideally SAFe</li><li>Ability to work within existing legacy codebases</li></ul>Nice to Have<ul><li>Experience supporting enterprise mobile applications</li><li>Familiarity with application lifecycle management and sunsetting legacy systems</li><li>Strong troubleshooting and debugging skills in production environments</li></ul>
2026-03-11T00:00:00Z

Jr Salesforce Developer

Riviera Beach, FL
onsite
Temporary
0 - 0 USD / Yearly
The Salesforce Developer will focus on developing scalable and maintainable frontend JavaScript and backend Apex solutions within the Salesforce ecosystem. This role requires collaboration with product managers to define project scopes and roadmaps, particularly in the legal domain and Briefcase. The ideal candidate will demonstrate proactivity, problem solving skills, an ownership mentality, ensuring data accuracy and integrity while adapting to the evolving analytics landscape.Key Tasks and Responsibilities<ul><li>Develop scalable and maintainable frontend JavaScript and backend Apex solutions in the Salesforce ecosystem.</li><li>Collaborate with legal stakeholders to translate requirements into technical solutions.</li><li>Perform basic configuration changes in Salesforce, including modifying permissions and updating records.</li><li>Create and manage escalations in multiple ticketing systems.</li><li>Ensure data accuracy and integrity in all deliverables.</li><li>Build and maintain API integrations with third-party systems.</li><li>Troubleshoot production issues and provide ongoing support.</li></ul>
2026-02-27T00:00:00Z

Backend Java Developer

Minneapolis, MN
onsite
Temporary
60 - 70 USD / Hourly
As a Backend Senior Software Engineer I, you are a trusted technical contributor who helps lead the design and delivery of complex features and systems within a domain. Deep expertise allows you to set direction for the team, mentor others through code reviews, pairing, and project leadership, and influence both team processes and technical outcomes. You promote engineering excellence and partner closely with cross-functional stakeholders to ensure our technical decisions align with product and business goals. How We Work TogetherStrategic Technical Leadership• Technical decision-making is led with attention to both immediate customer impact and long-term business needs.• Roadmaps are developed in collaboration with product, the team, and leadership to guide future direction.• Architectural improvements are defined to reduce operational overhead and strengthen scalability and reliability.Cross-Team Collaboration & Influence• Cross-team improvements are identified and advocated for, optimizing workflows and enhancing tools with broad organizational impact.• Collaboration is fostered through active feedback, shared learning, and a commitment to technical excellence.• Communication is clear and engaging, introducing challenging ideas thoughtfully and translating complex concepts into accessible insights.Problem Solving & Overcoming Obstacles• Trade-offs between business priorities, technical constraints, and customer needs are carefully balanced to make data-driven decisions.• Systems are simplified where possible, reducing technical debt and improving long-term maintainability and scalability.Mentorship & Growth• Mentorship is offered through coaching, feedback, and participation in technical hiring, ensuring culture and mission are well represented.• Continuous feedback is sought and shared, supporting both personal development and the growth of the team. Ownership & Accountability• End-to-end system design and execution for high-impact features or systems is owned with an emphasis on quality and reliability.• Monitoring, logging, and failure-domain strategies are built in to ensure resilience and performance.• Project progress is tracked, risks are assessed, and plans are adapted while maintaining a long-term perspective.Technology• Backend engineer with a preference toward Java/Kotlin• Deep expertise in designing, building, and maintaining large-scale systems, focusing on clean, scalable, and performant code.• Proven SME in modern programming paradigms and languages, with rapid adaptability to new ones.• Strong mastery of testing practices like unit, integration, end-to-end, and high code quality standards.• Expertise in current dev tools: version control, CI/CD, IaC, containers, cloud architectures. Eager to adopt best-fit solutions.• Passion for tracking industry trends, evaluating new tech, and driving sustainable adoptions aligned with business goals.• Openness to incorporating AI into the dev workflow• Bonus for Marketplace or Apps development• Bonus for exposure to Kong or similar• Bonus for Full Stack capabilities
2026-03-16T00:00:00Z

Backend Java Developer

Minneapolis, MN
onsite
Temporary
50 - 60 USD / Hourly
We are looking for an experienced Software Engineer to join our team in Minneapolis, Minnesota. In this role, you will contribute to the development and maintenance of scalable, high-performance backend systems while collaborating with cross-functional teams to deliver impactful features. As part of a long-term contract, you will have the opportunity to influence design and architecture decisions, provide guidance to less experienced engineers, and tackle complex technical challenges. Responsibilities: • Design, develop, and maintain backend systems using Java and Kotlin to ensure scalability and performance. • Collaborate with product, design, and QA teams to clarify requirements and propose effective solutions. • Evaluate code structure and processes, making suggestions to improve maintainability and efficiency. • Diagnose and resolve production and development issues using debugging strategies and data analysis. • Contribute to technical designs and architectural decisions that align with best practices and team objectives. • Support less experienced engineers through onboarding and code reviews to encourage growth and development. • Identify integration points and dependencies across teams and services, addressing them proactively. • Implement testing practices, including unit, integration, and end-to-end tests, to ensure code quality. • Explore opportunities to incorporate AI and emerging technologies into development processes. • Maintain accountability for features and services from planning through production support.
2026-03-06T00:00:00Z

Java Tech Lead Developer

Burbank, CA
onsite
Temporary
81 - 87 USD / Hourly
**** For Faster response on the position, please send a message to Jimmy Escobar on LinkedIn or send an email to Jimmy.Escobar@roberthalf(.com) with your resume. You can also call my office number at 424-270-9193**** Robert Half is looking for a Java Tech Lead Developer to work for their client in Burbank that is in the entertainment industry. The Java Tech Lead Developer position is hybrid 3 days a week on-site and 2 days remote. This individual should have at least 7 years of experience in Java and have some Tech Lead experience. The Tasks for the Java Tech Lead Developer position includes mentoring Java Developers, developing spring boot into Java based applications, and performing unit test cases. This is a great opportunity for a Java Tech Lead Developer to work for enterprise organization that offers amazing benefits.
2026-02-28T00:00:00Z