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Java Full Stack Developer Intern Jobs in Watertown, NY

Java Full Stack Developer Intern information

See Watertown, NY salary details

$11

$61

$82

How much do java full stack developer intern jobs pay per hour?

As of Aug 30, 2026, the average hourly pay for java full stack developer intern in Watertown, NY is $61.28, according to ZipRecruiter salary data. Most workers in this role earn between $53.27 and $68.75 per hour, depending on experience, location, and employer.

What does a Java Full Stack Developer Intern do?

A Java Full Stack Developer Intern assists in the development of both the front-end and back-end components of web applications using Java and related technologies. They typically work under the guidance of senior developers to write code, troubleshoot issues, and learn the software development lifecycle. Responsibilities may include building user interfaces, creating server-side logic, integrating databases, and testing new features. This role is ideal for students or recent graduates seeking hands-on experience in full stack development.

What are the key skills and qualifications needed to thrive as a Java Full Stack Developer Intern?

To thrive as a Java Full Stack Developer Intern, you need a solid understanding of Java, front-end technologies like HTML, CSS, and JavaScript, and basic software development principles, ideally supported by coursework or relevant projects. Familiarity with development tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and frameworks like Spring Boot and React is typically expected. Strong problem-solving skills, attention to detail, and effective communication help interns collaborate and learn quickly in a team environment. These skills and tools are essential for building robust applications and contributing meaningfully to development projects.

What are some common challenges faced by Java Full Stack Developer Interns, and how can they be effectively addressed?

Java Full Stack Developer Interns often encounter challenges such as balancing work between front-end and back-end development, managing time across multiple tasks, and adapting to fast-paced agile environments. It's important to communicate regularly with mentors and team members for guidance, seek feedback on code reviews, and utilize online resources to strengthen both Java and front-end framework skills. Embracing a proactive learning approach and collaborating closely with other developers can help interns overcome initial hurdles and build confidence in contributing to real projects.

What is the difference between Java Full Stack Developer Intern vs Java Backend Developer Intern?

AspectJava Full Stack Developer InternJava Backend Developer Intern
Required SkillsJava, JavaScript, HTML, CSS, frameworks like React or AngularJava, Spring Boot, REST APIs, databases
Work EnvironmentFront-end and back-end development, UI/UX focusBack-end development, server-side logic
Industry UsageWeb applications, enterprise solutionsAPI services, server-side applications

The main difference is that a Java Full Stack Developer Intern works on both front-end and back-end components, while a Java Backend Developer Intern focuses solely on server-side development. Both roles require Java skills, but the full stack role demands knowledge of front-end technologies and UI design, making it broader in scope.

What cities near Watertown, NY are hiring for Java Full Stack Developer Intern jobs?

Cities near Watertown, NY with the most Java Full Stack Developer Intern job openings:

Infographic showing various Java Full Stack Developer Intern job openings in Watertown, NY as of August 2026, with employment types broken down into 89% Full Time, 4% Part Time, 6% Contract, and 1% Nights. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution, with an average salary of $127,470 per year, or $61.3 per hour.

Liquid Financing Senior Full Stack Software Engineer

Jefferson Park, NY • On-site

$120 - $175/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 16 days ago


Job description

Job Description Purpose of the role

To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues.

Accountabilities
  • Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.
  • Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
  • Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing.
  • Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth.
  • Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
  • Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.
Assistant Vice President Expectations
  • To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/ business divisions.
  • Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes
  • If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L - Listen and be authentic, E - Energise and inspire, A - Align across the enterprise, D - Develop others.
  • OR for an individual contributor, they will lead collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will identify new directions for assignments and/ or projects, identifying a combination of cross functional methodologies or practices to meet required outcomes.
  • Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues.
  • Identify ways to mitigate risk and developing new policies/procedures in support of the control and governance agenda.
  • Take ownership for managing risk and strengthening controls in relation to the work done.
  • Perform work that is closely related to that of other areas, which requires understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.
  • Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategy.
  • Engage in complex analysis of data from multiple sources of information, internal and external sources such as procedures and practises (in other areas, teams, companies, etc).to solve problems creatively and effectively.
  • Communicate complex information. 'Complex' information could include sensitive information or information that is difficult to communicate because of its content or its audience.
  • Influence or convince stakeholders to achieve outcomes.

All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship - our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset - to Empower, Challenge and Drive - the operating manual for how we behave.

Embark on a transformative journey as a Liquid Financing Senior Full Stack Software Engineer. At Barclays, our vision is clear -to redefine the future of banking and help craft innovative solutions. In this role, you will bring deep technical knowledge to the business, serving as a subject matter specialist, providing Level 3 support, and working closely with business partners and peer teams. You will operate in a dynamic, global environment, collaborating across regions to meet the evolving needs of a worldwide customer base.

To be successful as a Liquid Financing Senior Full Stack Software Engineer, you should have:

  • Ample academic background in computer science or engineering, with experience in full stack development using Java/J2EE, JavaScript, EJB, JDBC, JPA, Servlets, JSP, Struts, HTML, CSS, and SQL Server

  • The ability to interpret user requirements and independently translate them into high-quality, deployable production code

  • A validated record of overcoming tasks, along with a considerable commitment to continuous learning and professional growth

  • Experience working with Spring Framework, JBoss, and GridGain

  • Experience with messaging technologies such as JMS, EMS, and MQ, as well as XML

Other highly valued skills include:

  • Considerable understanding of design patterns, Agile, and Lean methodologies

  • Front-end experience with Ext JS, AngularJS, and TreeGrid

  • Experience with Spring MVC, Spring Integration, JBoss Drools, and Quartz Scheduler

  • MS SQL Server experience strongly preferred

  • Proficiency with build and version control tools such as Maven and GitLab DUO

You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen, strategic thinking, digital and technology, as well as job-specific technical skills.

This role is located in Whippany, NJ office.

Minimum Salary: $120,000
Maximum Salary: $175,000

The minimum and maximum salary/rate information above include only base salary or base hourly rate. It does not include any other type of compensation or benefits that may be available.

Barclays employees are eligible for a suite of competitive and generous employee benefits, including medical, dental and vision coverage, 401(k), life insurance, and other paid leave for qualifying circumstances.

This position is eligible for an incentive award.

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