Explore 2 core java developer jobs from 2 hiring companies in Homestead, FL, US. Filter by remote, salary, experience, and company, then open any listing to apply.

core-java-developer

Core Java Developer

Leisure City

Naranja

Princeton

Richmond West

South Miami Heights

Cutler Bay

Cutler Ridge

Country Walk

Goulds

Three Lakes

The Hammocks

Palmetto Bay

Palmetto Estates

Miami

Cutler

The Crossings

Kendall

Kendale Lakes

Kendall West

Core Java Developer Jobs

Cognizant

Nubank

Hybrid

<h4>About Us</h4>
&nbsp;
Nu is one of the largest digital financial platforms in the world, with more than 127 million customers across Brazil, Mexico, and Colombia. Guided by our mission to fight complexity and empower people, we are redefining financial services in Latin America and this is still just the beginning of the purple future we're building.
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Listed on the New York Stock Exchange (NYSE: NU), we combine proprietary technology, data intelligence, and an efficient operating model to deliver financial products that are simple, accessible, and human.
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Our impact has been recognized by global rankings such as Time 100 Companies, Fast Company's Most Innovative Companies, and Forbes World's Best Bank. Visit our institutional page https://international.nubank.com.br/careers/
<h4>About the Role</h4>
At Nu, the AI Private Banker is our intelligent financial partner that helps millions of customers understand their finances, make confident decisions, and take action seamlessly. As a Staff Software Engineer on this team, you'll define the technical architecture that powers conversational AI, recommendation engines, and personalized financial experiences across mobile and web.
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You'll own the full stack from Flutter mobile apps that reach millions of users to distributed backend systems that process real time recommendations and conversational AI interactions. This isn't just about building features; it's about creating the engineering foundation that makes financial empowerment accessible at scale.
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Here, every technical decision you make directly impacts how millions of people experience financial guidance. You'll work at the intersection of banking and frontier AI, building systems that are both innovative and reliable. Behind every product interaction, there are curious minds redefining what's possible—and you'll be one of them.
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<h4>You'll be responsible for</h4>
<ul>
<li>Lead the technical architecture and design decisions for AI Private Banker's full-stack platform, ensuring scalability and performance across mobile and backend systems.</li>
<li>Build and maintain Flutter mobile applications that deliver seamless conversational AI experiences to millions of users across iOS, Android, and Web.</li>
<li>Design and implement distributed backend services that power recommendation engines, conversational AI integration, and real-time personalization.</li>
<li>Collaborate with product, design, and data teams to translate ambitious product goals into clear, phased technical roadmaps.</li>
<li>Drive engineering best practices across the team through code reviews, technical mentorship, and architectural guidance.</li>
<li>Own the technical strategy for deploying and maintaining a unified user experience across multiple platforms and markets.</li>
<li>Integrate AI/ML model outputs into consumer-facing applications, ensuring real-time performance and reliability.</li>
<li>Make decisive technical trade-offs that balance innovation, scalability, and operational excellence.</li>
</ul>
&nbsp;
<h4>We are looking for a person who has</h4>
Required
<ul>
<li>Experience as a Staff Engineer or Senior Engineer shipping complex, large scale consumer facing mobile applications.</li>
<li>Strong track record of designing, building, and operating high-throughput, fault tolerant backend services using microservices architecture and event driven design.</li>
<li>Proven ability to take complete technical ownership of a major product area, making informed trade offs on architecture and implementation.</li>
<li>Experience working with data systems, APIs, and pipelines necessary to power AI/ML outputs within user interfaces.</li>
<li>Track record of leading technical initiatives and mentoring other engineers on architecture, performance, and operational excellence.</li>
</ul>
&nbsp;
Nice to have
<ul>
<li>&nbsp;Experience in the FinTech or highly regulated industry.</li>
<li>Familiarity with cloud-native development (AWS).</li>
<li>Proficiency in one or more backend languages suitable for high-scale applications (e.g., Go, Java, Python, Clojure).</li>
<li>Experience building conversational AI interfaces or recommendation systems.</li>
<li>Track record of scaling mobile applications across multiple global markets</li>
</ul>
<h4>Location for this opportunity</h4>
&nbsp;
Palo Alto, United States
Miami, United States
Washington DC, United States
Durham, United States
Toronto, Canada
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<h4>Work Model for this Role</h4>
**Hybrid 2-3 times/week:** Our hybrid work model brings us to the office at least twice a week, on strategic days designed to maximize team connection and collaboration. For more details, visit https://building.nubank.com/nu-hybrid-work-model/

Staff Engineer, AI Core

Staff Engineer

Experience as a Staff Engineer or Senior Engineer shipping complex, large-scale consumer-facing mobile apps; strong backend and AI/ML data-pipeline experience; leadership and mentorship.

Job SummaryWe are seeking a skilled Sr. Developer with 4 to 8 years of experience to join our team in a hybrid work model. The ideal candidate will have expertise in Core Java React JS Java Fullstack Java 21 Java Spring Boot or .Net and domain knowledge in Billing & Settlements and Merchant Servicing. This role involves developing high-quality solutions that align with business needs while ensuring optimal performance and scalability.  About the RoleWe are looking for a talented Senior Developer with 4–8 years of experience to join our team in a hybrid work environment. The ideal candidate brings strong expertise in Core Java, React JS, Java Full Stack, Java 21, Java Spring Boot, or .NET, along with solid domain knowledge in Billing & Settlements and Merchant Servicing. You will play a key role in building high‑quality, scalable solutions that support evolving business needs.What You’ll Do<ul type="disc"><li class="MsoNormal">Contribute to the development of the Customer Servicing Modernized Portal.</li><li class="MsoNormal">Support the team in building customer journeys using a unified app and data tech stack.</li><li class="MsoNormal">Apply your understanding of banking servicing domains and related portals.</li><li class="MsoNormal">Use strong analytical and communication skills to collaborate effectively across teams.</li><li class="MsoNormal">Work within SAFe Agile methodologies.</li><li class="MsoNormal">(Nice to have) Bring familiarity with Agentic AI concepts and AI‑driven ways of working.</li></ul> Work ModelWe embrace a hybrid work approach to provide flexibility while meeting business needs. This role requires 3–4 days per week onsite at a client or Cognizant office in Sunrise, FL. We support a healthy work‑life balance through a variety of wellbeing programs.Work arrangements are accurate as of the posting date and may evolve based on project, business, or client requirements. Any changes will be communicated clearly. What You Need to Bring<ul type="disc"><li class="MsoNormal">Strong hands‑on experience with Core Java, React JS, Java Full Stack, Java 21, Java Spring Boot, or .NET.</li><li class="MsoNormal">Deep understanding of Billing & Settlements and Merchant Servicing.</li><li class="MsoNormal">Proven ability to build scalable, efficient applications aligned with business goals.</li><li class="MsoNormal">Excellent problem‑solving skills and the ability to tackle complex technical challenges.</li><li class="MsoNormal">Strong communication and collaboration skills for cross‑functional teamwork.</li></ul> What Will Help You Stand Out<ul type="disc"><li class="MsoNormal">Expertise in React + Spring Boot + Microservices</li><li class="MsoNormal">Understanding of AI concepts</li><li class="MsoNormal">Relevant technical certifications</li></ul> We’re excited to meet individuals who share our mission and bring diverse strengths to the team. Even if you meet only the minimum requirements, we encourage you to apply—your unique experiences and transferable skills may be exactly what we’re looking for. Salary and Other Compensation<ul type="disc"><li class="MsoNormal">Application deadline: 05/22/2026</li><li class="MsoNormal">Annual salary range: $85,000 – $95,000, based on experience and qualifications</li><li class="MsoNormal">Eligibility for Cognizant’s discretionary annual incentive program, subject to performance and plan terms</li></ul> BenefitsEligible employees may receive:<ul type="disc"><li class="MsoNormal">Medical, Dental, Vision, and Life Insurance</li><li class="MsoNormal">Paid Holidays and Paid Time Off</li><li class="MsoNormal">401(k) plan with company contributions</li><li class="MsoNormal">Short‑term and Long‑term Disability</li><li class="MsoNormal">Paid Parental Leave</li><li class="MsoNormal">Employee Stock Purchase Plan</li></ul>Compensation and benefits details are accurate as of the posting date and may be modified in accordance with applicable laws.Please note this role is not able to offer visa transfer or sponsorship now or in the future.#LI-RC1

Engineer 11 - Sr. Associate - 00068520351

Senior Developer

4-8 years of experience in Core Java, React JS, Java Full Stack, Java 21, Java Spring Boot or .NET; domain knowledge in Billing & Settlements and Merchant Servicing; SAFe Agile experience; able to develop scalable, high-quality solutions.

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Core Java Developer Jobs in Homestead, FL, US

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