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Junior Java Backend Developer Jobs in Connecticut

Opexpert

Java Software Engineer

Greenwich, CT · On-site

$58 - $79.75/hr

End-user facing trading platform. 3. Back end: Core Java. Data model and transport layers. Multithreaded/high throughput. XML. Qualifications 1. Bachelor's in EE, CS, Math, Physics or similar ...

Programmers.io

Java Spring boot with AEI

Hartford, CT · On-site

$51.50 - $66.50/hr

Experience in Java, J2EE (v8) Backend Service/API Development, Spring, Spring boot, JMS, Web services and other distributed technologies, Experience in CI and Dev Ops - Understands Jenkins, GitHub ...

Programmers.io

Java Spring boot with AEI

Hartford, CT · On-site

$51.50 - $66.50/hr

Experience in Java, J2EE (v8) Backend Service/API Development, Spring, Spring boot, JMS, Web services and other distributed technologies, Experience in CI and Dev Ops - Understands Jenkins, GitHub ...

Valitana LLC

Junior Full Stack Developer

Stamford, CT · On-site

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

This individual will work closely with product managers, backend engineers, and client-facing teams to ensure Vantage delivers a seamless and reliable user experience for both internal and external ...

Valitana LLC

Junior Full Stack Developer

Stamford, CT · On-site

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Collaborate closely with backend engineers to integrate APIs and data services. * Translate complex product and business requirements into clear, intuitive UI workflows. * Develop reusable components ...

CYNET SYSTEMS

Software Engineer

Wallingford, CT · On-site

$60 - $65/hr

Collaborate with UI/UX designers and backend developers to deliver seamless user experiences ... Integrate frontend components with backend services (preferably Java-based). * Participate in code ...

CYNET SYSTEMS

Software Engineer

Wallingford, CT · On-site

$60 - $65/hr

Collaborate with UI/UX designers and backend developers to deliver seamless user experiences ... Integrate frontend components with backend services (preferably Java-based). * Participate in code ...

Yuma Holdings LLC

Software Engineer

Stamford, CT

Strong proficiency in at least one modern programming language (Python, Java, JavaScript, Rust or Go) * Solid understanding of APIs, databases, and backend architecture. * Experience deploying ...

Opexpert

Web Application Developer

Greenwich, CT · On-site

... and backend integration. 3. The majority of development will be using Java and Java Script with ... Qualifications 1. BS/MS Computer Science, Engineering, Mathematics 2. Strong knowledge of ...

Opexpert

Web Application Developer

Greenwich, CT · On-site

... and backend integration. 3. The majority of development will be using Java and Java Script with ... Qualifications 1. BS/MS Computer Science, Engineering, Mathematics 2. Strong knowledge of ...

Assa Abloy

Full Stack Developer, MarTech

New Haven, CT · On-site

  • Medical

  • Retirement

  • PTO

You'll collaborate closely with design, product, and backend engineering to deliver interfaces that ... Java), JCR/Oak. * Experience leading a development team or acting as a tech lead * MarTech ...

ASSA ABLOY

Full Stack Developer, MarTech

New Haven, CT · Hybrid

  • Medical

  • Retirement

  • PTO

You'll collaborate closely with design, product, and backend engineering to deliver interfaces that ... Java), JCR/Oak. * Experience leading a development team or acting as a tech lead * MarTech ...

ASSA ABLOY

Full Stack Developer, MarTech

New Haven, CT · On-site

  • Medical

  • Retirement

  • PTO

You'll collaborate closely with design, product, and backend engineering to deliver interfaces that ... Java), JCR/Oak. * Experience leading a development team or acting as a tech lead * MarTech ...

Interactive Brokers

Software Engineer II

Greenwich, CT · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

Proven experience as a Full Stack Developer with a strong emphasis on Java back-end development * Hands-on experience with Vert.x or similar reactive/event-driven Java frameworks * Proficiency in ...

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Junior Java Backend Developer information

See Connecticut salary details

$58K

$101.6K

$153.2K

How much do junior java backend developer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for junior java backend developer in Connecticut is $101,621.00, according to ZipRecruiter salary data. Most workers in this role earn between $71,800.00 and $101,300.00 per year, depending on experience, location, and employer.

What is a junior Java backend developer?

Junior Java Backend Developers are entry-level software engineers who specialize in building and maintaining the server-side logic of web applications using the Java programming language. They work closely with senior developers to implement APIs, manage databases, and ensure smooth data flow between servers and users. Their responsibilities often include writing clean, efficient code, debugging applications, and learning new technologies as needed. Junior Java Backend Developers typically have a foundational knowledge of Java, SQL, and frameworks like Spring Boot.

What are the key skills and qualifications needed to thrive as a junior Java backend developer?

To thrive as a Junior Java Backend Developer, you need solid knowledge of Java programming, understanding of object-oriented design, and familiarity with backend frameworks like Spring, often supported by a degree in computer science or related field. Experience with relational databases (e.g., MySQL), version control systems (like Git), and exposure to RESTful APIs and build tools (such as Maven) are typically required. Strong problem-solving skills, attention to detail, and effective communication make someone stand out in this role. These skills and qualities are crucial for building reliable, scalable server-side applications and collaborating effectively within a software development team.

What are some common challenges faced by junior Java backend developers when joining a new team?

As a Junior Java Backend Developer, one common challenge is adapting to existing codebases and understanding the team's preferred coding standards and practices. You may also find it challenging to grasp complex system architectures or integrate your code with various APIs and databases. However, most teams provide onboarding support, code reviews, and mentorship to help you ramp up. Collaborating closely with senior developers and asking questions can significantly ease your transition and foster your growth in the role.

What are the most commonly searched types of Java Backend Developer jobs in Connecticut?

The most popular types of Java Backend Developer jobs in Connecticut are:

What are popular job titles related to Junior Java Backend Developer jobs in Connecticut?

For Junior Java Backend Developer jobs in Connecticut, the most frequently searched job titles are:

What job categories do people searching Junior Java Backend Developer jobs in Connecticut look for?

The top searched job categories for Junior Java Backend Developer jobs in Connecticut are:

What cities in Connecticut are hiring for Junior Java Backend Developer jobs?

Cities in Connecticut with the most Junior Java Backend Developer job openings:

Junior Java Backend Developer jobs near you
Infographic showing various Junior Java Backend Developer job openings in Connecticut as of August 2026, with employment types broken down into 83% Full Time, and 17% Contract. Highlights an 74% In-person, and 26% Remote job distribution, with an average salary of $101,621 per year, or $48.9 per hour.

Java Software Engineer

Opexpert

Greenwich, CT • On-site

$58 - $79.75/hr

Full-time

Re-posted 14 days ago

Job description

Company Description
My Client is headquartered in Greenwich, Connecticut and has over 1,200 employees in its offices in the USA, Switzerland, Canada, Hong Kong, UK, Australia, Hungary, Russia, Japan, India, China and Estonia. My Client is regulated by the SEC, FINRA, NYSE, FCA and other regulatory agencies around the world.
Job Description
1. Brokerage platform development -- front and/or back-end, depending on experience.
2. Front end: Java Swing. End-user facing trading platform.
3. Back end: Core Java. Data model and transport layers. Multithreaded/high throughput. XML.
Qualifications
1. Bachelor's in EE, CS, Math, Physics or similar (Masters/PhD a plus).
2. Technically oriented, proactive, and enthusiastic, with extreme attention to detail.
3. Working experience with core Java.
4. Knowledge of Java Swing and/or strong desire to learn Java Swing.
5. English written/verbal communication skills.
6. Mobile software development a plus.
Additional Information
All your information will be kept confidential according to EEO guidelines.

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