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Freelance Java Spring Developer Jobs in Arizona (NOW HIRING)

Select Minds LLC

Senior Java Backend Developer

Phoenix, AZ · On-site

$120K - $130K/yr

We are seeking a Senior Backend Software Engineer with strong hands-on experience in Java, Spring Boot, Microservices, Distributed Systems, Kafka, and REST APIs. The role focuses on building secure ...

supremesoft

Java Developer

Phoenix, AZ · On-site

$50.75 - $65.50/hr

Years of Experience: 5 + Years Java & Spring Batch • Experience in designing Applications for High availability , Low latency • Able to learn new technologies quickly, build POCs, perform ...

IntraEdge

Java Full Stack Engineer II

Phoenix, AZ

$52.50 - $67.75/hr

Seeking an experienced Full Stack Java Developer with strong expertise in Java, Spring Boot, and React.js to design and develop scalable enterprise applications. * Develop secure and high-performance ...

Tekdoors

Senior Java Backend Developer

Phoenix, AZ · On-site

$119K - $155K/yr

Senior Java Backend Developer Location: Phoenix, AZ (Hybrid Onsite) Type: W2 Contract (12 Months ... Java, Spring Boot, Spring Cloud RESTful API design and implementation PostgreSQL, SQL, MongoDB ...

IntraEdge

Java Full Stack Engineer II

Phoenix, AZ

$52.50 - $67.75/hr

Seeking an experienced Full Stack Java Developer with strong expertise in Java, Spring Boot, and React.js to design and develop scalable enterprise applications. * Develop secure and high-performance ...

Plugins Inc

Java Backend Lead

Phoenix, AZ

$35 - $55/hr

The ideal candidate should have strong expertise in Core Java, Spring Boot, Microservices, REST APIs, Vert.x, Reactive Programming, and Distributed Systems. This role will lead backend development ...

New

sydata

Java FullStack developer

Phoenix, AZ · On-site

$52.25 - $67.25/hr

Experience in working with Java Spring boot. Micro services would be a plus Experience working in ... Knowledge on DevOps and development build tools. Excellent Oral and Written communication ...

Tata Consultancy Service Limited

Java Engineer

Phoenix, AZ · On-site

$90K - $125K/yr

Role - Java Engineer Experience Required - 6+ Years We are seeking a highly skilled and motivated ... The ideal candidate will have deep expertise in Java, Spring Boot, Microservices, Kafka, and CI/CD ...

sydata

Java FullStack developer

Phoenix, AZ · On-site

$52.25 - $67.25/hr

Java FullStack developer Location: Phoenix, AZ Duration: 6+ Months Client: Infosys/Amex (Must Have ... Spring boot. Micro services would be a plus • Experience working in any cloud ecosystem. • ...

Eitacies Inc

Java Full Stack Developer

Phoenix, AZ · On-site

$49.50 - $64/hr

Benefits: * 401(k) Java Full Stack Developer (Java and React) Candidates should be willing to work ... Strong experience with Java, Spring Boot, and Microservices architecture. * Hands-on experience ...

CB

Java Full Stack Developer

Phoenix, AZ

$52.25 - $67.25/hr

Strong experience with Java, Spring Boot, and Microservices architecture. * Hands-on experience ... Exposure to automated testing frameworks and DevOps practices. Education Bachelor's degree in ...

Keylent Inc

Java Microservices

Phoenix, AZ · On-site

$50.75 - $65.50/hr

Keylent Inc is a technology company seeking a Java Microservices developer. The role involves ... Required : • Java SDK 1.8 • Java Spring Framework • Spring Boot (Embedded Tomcat) • Secure ...

Select Minds LLC

Senior Java Backend Developer

Phoenix, AZ · On-site

$120K - $130K/yr

We are seeking a Senior Backend Software Engineer with strong hands-on experience in Java, Spring Boot, Microservices, Distributed Systems, Kafka, and REST APIs. The role focuses on building secure ...

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Freelance Java Spring Developer information

What is a freelance Java Spring developer?

A Freelance Java Spring Developer is a self-employed software professional who specializes in building, maintaining, and optimizing applications using the Java programming language and the Spring framework. These developers work on a contract or project basis for various clients, rather than as full-time employees for a single company. Their responsibilities often include designing backend systems, integrating APIs, and ensuring applications are scalable and secure. Freelance Java Spring Developers typically manage their own schedules and may work remotely for clients around the world.

What are the key skills and qualifications needed to thrive as a freelance Java Spring developer?

To thrive as a Freelance Java Spring Developer, you need a solid understanding of Java programming, Spring Framework (including Spring Boot), and experience with RESTful APIs, typically supported by a degree in computer science or relevant certifications. Familiarity with tools like Maven, Git, Docker, and cloud platforms such as AWS or Azure is often required. Strong problem-solving, time management, and client communication skills help you stand out in this role. These competencies ensure you can deliver robust solutions efficiently while managing multiple clients and projects in a dynamic freelance environment.

What are the most common challenges faced by freelance Java Spring developers when working with multiple clients simultaneously?

Freelance Java Spring Developers often juggle projects for multiple clients, which can pose challenges such as managing shifting priorities, aligning with different coding standards, and keeping up with varied communication styles. Successfully navigating these requires strong organizational skills, clear project documentation, and proactive communication to set expectations. Additionally, freelancers must stay updated with the latest Spring framework updates to deliver high-quality, maintainable solutions across diverse client environments.

What is the difference between Freelance Java Spring Developer vs Java Backend Developer?

AspectFreelance Java Spring DeveloperJava Backend Developer
CredentialsOften requires Java certifications, Spring certifications, and relevant experienceTypically requires a Java degree or equivalent experience, with or without certifications
Work EnvironmentIndependent, project-based, remote or on-site freelance workFull-time employment in a company or organization, often in an office setting
Employer & Industry UsageClients across various industries hiring for specific projectsEmployers in tech, finance, e-commerce, and other sectors with ongoing backend needs
Search & Comparison IntentLooking for freelance opportunities or contract work in Java Spring developmentSeeking full-time or permanent backend development roles in Java

In summary, Freelance Java Spring Developers typically work independently on short-term projects, requiring specific certifications and flexible work environments. Java Backend Developers usually hold full-time roles within organizations, focusing on ongoing backend system development.

What are the most commonly searched types of Java Spring Developer jobs in Arizona?

The most popular types of Java Spring Developer jobs in Arizona are:

What are popular job titles related to Freelance Java Spring Developer jobs in Arizona?

For Freelance Java Spring Developer jobs in Arizona, the most frequently searched job titles are:

What job categories do people searching Freelance Java Spring Developer jobs in Arizona look for?

The top searched job categories for Freelance Java Spring Developer jobs in Arizona are:

What cities in Arizona are hiring for Freelance Java Spring Developer jobs?

Cities in Arizona with the most Freelance Java Spring Developer job openings:

Freelance Java Spring Developer jobs near you

Senior Java Backend Developer

Phoenix, AZ • On-site

Select Minds LLC
IT Services • 51 - 200 employees
Learn more about Select Minds LLCexternal

$120K - $130K/yr

Full-time

Posted 7 days ago

Job description

Benefits:
  • ONSITE
  • Competitive salary
  • Opportunity for advancement

Senior Java Backend Developer – Digital Banking
Location: Phoenix, AZ
Work Arrangement: Day 1 Onsite – Minimum 3 Days/Week
Experience: 8+ Years
Important : This is a Day 1 Onsite position in Phoenix, AZ.
                       Candidates must be available to work onsite a minimum of 3 days per week.
We are seeking a Senior Backend Software Engineer with strong hands-on experience in Java, Spring Boot, Microservices, Distributed Systems, Kafka, and REST APIs.
The role focuses on building secure, scalable, reliable, and high-performance backend services for digital banking platforms.
Key Responsibilities
  • Design and develop scalable Java microservices and REST APIs.
  • Build distributed, event-driven systems using Kafka.
  • Develop reliable and high-performance backend services.
  • Implement fault tolerance, resiliency, caching, and high-availability solutions.
  • Participate in architecture, design, and code reviews.
  • Support CI/CD, automated testing, and production readiness.
  • Collaborate with engineering, product, architecture, and operations teams.
  • Mentor engineers and provide technical guidance.
Required Skills
  • 8+ years of software development experience.
  • Strong Java and Spring Boot experience.
  • Hands-on experience with Microservices and Distributed Systems.
  • Experience with REST APIs, JSON, XML, and integration patterns.
  • Strong experience with Kafka / Kafka Streams.
  • Experience with Spring Batch, JUnit, JDBC, Maven/Gradle.
  • Experience with Jenkins, Git, and CI/CD.
  • Experience with PostgreSQL, MongoDB, or NoSQL databases.
  • Experience with Docker and cloud/platform environments.
  • Strong communication and problem-solving skills.
Preferred Skills
  • Experience with GenAI, LLM, RAG, embeddings, or vector search.
  • AWS and cloud-native architecture experience.
  • Experience with Redis / Cassandra.
  • Knowledge of MCP and AI guardrails.
  • Banking, fintech, payment, or financial services experience.
  • Experience with Python, Hadoop, or Spark.
Core Technology Stack
  • Languages & Frameworks: Java (JDK 17–25), Spring Boot
  • APIs & Integration: REST / RPC APIs
  • Messaging & Streaming: Kafka, Kafka Streams
  • Databases: PostgreSQL, MongoDB, Redis, Cassandra
  • DevOps & CI/CD: Jenkins, GitLab, CI/CD
  • Containers & Cloud: Docker, Cloud/Platform Environments
  • Architecture: Microservices, Distributed Systems, Resiliency
  • Engineering: Observability, Performance Optimization, Automated Testing

Flexible work from home options available.