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Freelance Junior Java Developer Jobs in Arizona (NOW HIRING)

Advise peers and junior engineers on technical problem-solving and delivery timelines * Partner ... with Java, Spring Boot, Spring Framework, REST/microservices, and cloud-based development

Are you a seasoned Java developer with a passion for building robust scalable APIs? We are seeking ... You will have the opportunity to mentor junior developers, lead technical discussions, and drive ...

Java Full Stack Developer

Phoenix, AZ · On-site

$52.25 - $67.25/hr

... junior developers to ensure that our talent pools grows with us as a company Preferred Qualifications: o The ideal candidate will have a 2- or 4-year degree in CS/Engineering, be a bootcamp grad, or ...

Senior Java Engineer (Remote)

Phoenix, AZ · Remote

$119K - $157K/yr

May mentor junior engineers and contribute to the team's technical growth. Education Requirements ... Java/J2EE environment * Excellent ability to communicate technical information clearly and work ...

... Java as a plus. This role will work extensively with AWS Lambda, SQS, RDS, and Step Functions to ... You will play a key role in mentoring junior developers, participating in architecture discussions ...

Developer, Back End

Tempe, AZ · On-site

$114K - $135K/yr

... Java as a plus. This role will work extensively with AWS Lambda, SQS, RDS, and Step Functions to ... You will play a key role in mentoring junior developers, participating in architecture discussions ...

Developer, Back End

Tempe, AZ · On-site

$114K - $135K/yr

... Java as a plus. This role will work extensively with AWS Lambda, SQS, RDS, and Step Functions to ... You will play a key role in mentoring junior developers, participating in architecture discussions ...

Corjl Software

Phoenix, AZ · On-site

$54 - $71.50/hr

The role involves working with the technical co-founder and mentoring junior developers while ... Language / Java • Typescript • Node.js • GraphQL • DynamoDB • AWS CloudFormation • ...

Sr. iOS developer

Phoenix, AZ

$59.50 - $77.25/hr

... grooming junior developers and provide technical and process assistance * Maintain cutting edge ... Java, Android SDK and Android Studio) development platforms * 3-5 years of large scale critical ...

Showing results 41-60

Freelance Junior Java Developer information

What is a freelance junior Java developer?

A Freelance Junior Java Developer is an entry-level programmer who works independently on a contract basis, specializing in Java development. They typically handle coding, debugging, and basic software tasks for clients rather than being employed full-time by a single company. Freelance junior developers often work on smaller projects or assist senior developers, allowing them to gain experience and build their portfolios. This role requires a solid understanding of Java fundamentals and the ability to adapt to different project requirements.

What are the key skills and qualifications needed to thrive as a freelance junior Java developer, and why are they important?

To thrive as a Freelance Junior Java Developer, you need a solid grasp of Java programming, basic software development principles, and a relevant degree or coursework in computer science. Familiarity with tools like Eclipse or IntelliJ IDEA, version control systems such as Git, and an understanding of basic frameworks like Spring Boot are typically required. Strong problem-solving abilities, effective time management, and clear communication make you stand out when collaborating remotely with clients. These skills and qualities are essential to deliver reliable code, meet project deadlines, and build lasting professional relationships as a freelancer.

What are some common challenges freelance junior Java developers face when starting out, and how can they overcome them?

Freelance junior Java developers often face challenges such as finding consistent projects, adapting quickly to different client codebases, and managing their own schedules and client communications. Building a strong online portfolio and actively networking in developer communities can help attract more clients. Additionally, setting clear expectations with clients and continuously improving technical and soft skills are key to overcoming early hurdles and building a successful freelance career.

What is the difference between Freelance Junior Java Developer vs Junior Java Developer?

AspectFreelance Junior Java DeveloperJunior Java Developer
Work EnvironmentIndependent, remote or contract-based projectsFull-time employment in a company or organization
CredentialsTypically requires basic Java knowledge, some coding experienceOften requires a degree or certification in computer science or related field
Employer & Industry UsageClients across various industries, project-basedEmployers in tech, finance, or enterprise sectors
Work ScopeLimited to specific projects, flexible hoursPart of a team, involved in ongoing development tasks

In summary, a Freelance Junior Java Developer works independently on short-term projects, often remotely, with flexible hours and minimal formal employment ties. In contrast, a Junior Java Developer is typically employed full-time within a company, working as part of a team on continuous development tasks, often requiring formal education or certifications.

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

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

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

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

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

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

Infographic showing various Freelance Junior Java Developer job openings in Arizona as of August 2026, with employment types broken down into 82% Full Time, 4% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Senior Data Engineer - Enterprise Data Frameworks (Java Spark Focus)

Citizens Bank

Phoenix, AZ • On-site

$105K - $158K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 24 days ago


Job description


Senior Java Data Engineer
Enterprise Data Frameworks
Role Summary
The Enterprise Data Frameworks team is seeking a Senior Java focused software engineer who builds and maintains large scale data processing systems using Java, Apache Spark, and Kafka. This role is intended for experienced backend engineers with strong core Java fundamentals who apply traditional software engineering practices to data intensive platforms and distributed systems.
The ideal candidate has hands on experience developing production grade Java applications using modern frameworks and IntelliJ based development workflows, paired with practical experience building Spark based processing pipelines and Kafka driven data ingestion services. In this role, you will contribute to the core components of enterprise data frameworks, working closely with senior engineers and architects while remaining deeply involved in design and implementation.
This role requires strong Java engineering skills, the ability to debug and optimize complex Spark applications, and comfort operating in regulated environments where stability, data quality, and reliability are critical.
Key Responsibilities
• Design, build, and maintain Java based data processing pipelines using Apache Spark for batch and streaming workloads
• Develop and support Java based backend services and APIs that orchestrate data workflows and framework components
• Apply solid object oriented design principles to distributed data processing systems
• Optimize Spark applications for performance, reliability, and cost efficiency across cloud and on premises environments
• Collaborate with architects and senior engineers on technical design and framework evolution
• Partner with frontend and platform teams to integrate backend data services where applicable
• Translate business and technical requirements into scalable, well structured engineering solutions
• Participate in code reviews, contribute to shared standards, and mentor junior engineers
• Ensure solutions align with data governance, security, and change management standards
• Participate in Agile ceremonies and support continuous improvement of engineering practices
Required Skills and Experience
• 7+ years of experience as a software engineer or data engineer with strong emphasis on Java backend development
• Strong hands on proficiency in Java, including object oriented design, debugging, and performance optimization
• Experience building Spark applications in Java for large scale data ingestion and transformation
• Practical experience with Apache Kafka and event driven data architectures
• Experience developing Java based services using frameworks such as Spring Boot
• Solid understanding of distributed systems concepts and data processing architectures
• Familiarity with data lake technologies, columnar storage formats such as Parquet or Iceberg, and metadata driven frameworks
• Experience using Git based workflows, CI CD pipelines, and modern development practices
• Exposure to cloud environments, with preference for AWS based data platforms such as S3, EMR, Lambda, or API Gateway
• Experience working in regulated or enterprise environments with strong data governance requirements
Preferred Experience
• Experience collaborating with UI or platform teams to integrate backend data services
• Experience with containerization and orchestration tools such as Docker or Kubernetes
• Exposure to additional JVM or scripting languages such as Scala or Python in a data context
• Experience with developer productivity or automation tooling
Education
• Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field
Work Details
Hours per Week 40
Location Hybrid, 4 days on site from a Citizens corporate office, 1 day remote
Schedule Monday through Friday
Pay Transparency
The salary range for this position is $105,000-158,000 per year, plus an opportunity to earn an annual discretionary bonus. Actual pay is based on various factors including but not limited to the work location, and relevant skills and experience.
We offer competitive pay, comprehensive medical, dental and vision coverage, retirement benefits, maternity/paternity leave, flexible work arrangements, education reimbursement, wellness programs and more. Note, Citizens' paid time off policy exceeds the mandatory, paid sick or paid time-away policy of very local and state jurisdiction in the United States. For an overview of our benefits, visit https://jobs.citizensbank.com/benefits.
#LI-Citizens1
About Us
Equal Employment Opportunity
Citizens, its parent, subsidiaries, and related companies (Citizens) provide equal employment and advancement opportunities to all colleagues and applicants for employment without regard to age, ancestry, color, citizenship, physical or mental disability, perceived disability or history or record of a disability, ethnicity, gender, gender identity or expression, genetic information, genetic characteristic, marital or domestic partner status, victim of domestic violence, family status/parenthood, medical condition, military or veteran status, national origin, pregnancy/childbirth/lactation, colleague's or a dependent's reproductive health decision making, race, religion, sex, sexual orientation, or any other category protected by federal, state and/or local laws. At Citizens, we are committed to fostering an inclusive culture that enables all colleagues to bring their best selves to work every day and everyone is expected to be treated with respect and professionalism. Employment decisions are based solely on merit, qualifications, performance and capability.
Equal Employment and Opportunity Employer
Job Applicant Data Privacy Policy
Background Check
Any offer of employment is conditioned upon the candidate successfully passing a background check, which may include initial credit, motor vehicle record, public record, prior employment verification, and criminal background checks. Results of the background check are individually reviewed based upon legal requirements imposed by our regulators and with consideration of the nature and gravity of the background history and the job offered. Any offer of employment will include further information.