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Senior Java Backend Developer Jobs in Connecticut

Oxbridge Health

Senior Backend Engineer

Norwalk, CT · On-site

Role Description The Senior Backend Engineer will lead the design and implementation of high-scale ... Experience collaborating with SecOps, DevOps, and analytics teams, with comfort using GitHub ...

Opexpert

Java Software Developer

Greenwich, CT

$57.25 - $74/hr

... back-end development and integration. 2. The majority of development will be using Java with some ... Qualifications 1. Master's degree preferred or Bachelor's degree in Computer Science, Engineering ...

Opexpert

Java Software Developer

Greenwich, CT · On-site

$57.25 - $74/hr

... back-end development and integration. 2. The majority of development will be using Java with some ... Qualifications 1. Master's degree preferred or Bachelor's degree in Computer Science, Engineering ...

IBG, LLC

Sr Software Engineer - Java

Greenwich, CT · On-site

$140K - $184K/yr

Sr. Software Engineer- Java (Greenwich, CT) (Hybrid: Remote work permitted 2 days) (multiple positions) Design and build solutions for regulatory reporting and back-office systems used by financial ...

iTek People, Inc.

Java Developer (W2 Only)

Hartford, CT · On-site

$51.50 - $66.50/hr

Java Developer with Healcare domain experience Location: Hartford, CT (Or) Remote for highly ... Spring boot Back End: Postgres or MongoDB Please share your updated resume to:

IBG, LLC

Sr Software Developer

Greenwich, CT · On-site

$64.25 - $82/hr

  • Medical

  • Dental

  • Vision

  • Retirement

You will write backend services and/or clients that will help expose internal services. * You will ... Proven experience as a Java Developer with expertise in Java, Spring, Vert.x * Proficiency in using ...

Interactive Brokers

Sr Software Developer

Greenwich, CT · On-site

$64.25 - $82/hr

  • Medical

  • Dental

  • Vision

  • Retirement

You will write backend services and/or clients that will help expose internal services. * You will ... Proven experience as a Java Developer with expertise in Java, Spring, Vert.x * Proficiency in using ...

Interactive Brokers

Sr Software Developer

Greenwich, CT · On-site

$100 - $130/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

You will write backend services and/or clients that will help expose internal services. * You will ... Proven experience as a Java Developer with expertise in Java, Spring, Vert.x * Proficiency in using ...

NDC

Front End Java Developer

Greenwich, CT · On-site

Direct Hire position Multiple levels - Jr, Senior Visa Sponsorship/Transfer possible Relocation Benefits provided RESPONSIBILITIES: We are seeking a Java Developer/Web Apps for our Web Development ...

CYNET SYSTEMS

Java Tech Lead

Wallingford, CT · On-site

$60 - $65/hr

Strong understanding of backend design, scalability, and performance optimization. * Strong ... Experience with CI/CD pipelines and DevOps practices. * Prior experience working on enterprise ...

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 ...

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Senior Java Backend Developer information

See Connecticut salary details

$60.9K

$133K

$181.2K

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

As of Aug 19, 2026, the average yearly pay for senior java backend developer in Connecticut is $133,027.00, according to ZipRecruiter salary data. Most workers in this role earn between $114,600.00 and $148,900.00 per year, depending on experience, location, and employer.

What is a senior Java backend developer?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

What are the typical daily responsibilities of a senior Java backend developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.

What are the key skills and qualifications needed to thrive in the senior Java backend developer position, and why are they important?

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

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:

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

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Senior Java Backend Developer jobs near you
Infographic showing various Senior Java Backend Developer job openings in Connecticut as of August 2026, with employment types broken down into 79% Full Time, 4% Part Time, 2% Temporary, and 15% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $133,027 per year, or $64 per hour.

Senior Backend Engineer

Oxbridge Health

Norwalk, CT • On-site

Full-time

Posted 8 days ago

Job description

Company Overview:
Our company is a start-up that specializes in episodes of care benefit plans. We have a deep expertise in episode pricing and analytics and our goal is to bring transparency and efficiency to the healthcare market. Our company is committed to providing high-quality, affordable healthcare to our customers.
Role Description
The Senior Backend Engineer will lead the design and implementation of high-scale, serverless backend services using AWS, Python, Relational and NoSQL database, and modern architectural designs. You'll own systems end-to-end, from design, development, and testing, through deployment, monitoring, and ongoing improvements. You will collab
orate with engineering, analytics, product, and operations teams to build data pipelines, APIs, event-driven workflows, and durable processing engines that are foundational to delivering an exceptional, predictable healthcare experience. This role owns services end-to-end-from architecture and implementation through deployment, monitoring, and continuous improvement-ensuring reliability, performance, and security for mission-critical healthcare workflows.
Responsibilities
Architecture and System Design
  • Design and build large-scale, resilient, serverless systems using AWS Lambda, API Gateway, SQS, SNS, DynamoDB, Step Functions, EventBridge, and Kafka.
  • Architect durable, fault-tolerant workflows for claims processing, episode generation, eligibility updates, communication engines, and other core healthcare processes.
  • Create and evolve backend APIs for both B2C (member portal) and B2B (payer, employer, provider) integrations.

Engineering and Implementation
  • Develop high-quality backend services in Python, following strict test-driven development (TDD) practices.
  • Build clean, well-structured codebases emphasizing maintainability, testability, reliability, and scalability.
  • Implement secure data flows and storage patterns aligned with HIPAA and healthcare compliance best practices.

Data and Healthcare Standards
  • Work with structured and semi-structured healthcare data (for example, eligibility, claims, and clinical data).
  • Partner with Analytics and Data Engineering to ensure data accuracy, consistency, and fidelity.

Operational Excellence
  • Own systems end to end: development, testing, deployment, monitoring, and iteration.
  • Build and maintain CI/CD pipelines, infrastructure-as-code, and observability dashboards.
  • Continuously improve reliability through canaries, alarms, automated rollback, and well-designed SLOs.

Collaboration and Leadership
  • Drive cross-functional architectural discussions and propose scalable, long-term solutions.
  • Mentor and hire engineers, raising the bar for engineering culture, coding standards, and system design thinking.
  • Work closely with product to refine requirements, define technical specs, and deliver high-value features.

Qualifications
  • 7+ years of backend engineering experience, with a proven track record of shipping and operating production-grade systems.
  • Expert-level proficiency in AWS serverless, including Lambda, DynamoDB, API Gateway, Step Functions, Kafka/SQS, and event-driven architectures.
  • Strong Python engineering fundamentals, including TDD, dependency injection, modular code, and clean design patterns.
  • Deep understanding of high-scale system design, distributed computing, data modeling, fault tolerance, and observability.
  • Experience building B2C and B2B systems that serve thousands of users and millions of transactions.
  • Proficiency with PostgreSQL, DynamoDB, RDS, Kafka, caching strategies, and database schema design.
  • Strong experience building scalable, public-facing RESTful APIs.
  • Strong ownership mindset and a passion for delivering high-quality, reliable systems from design to production.
  • Experience collaborating with SecOps, DevOps, and analytics teams, with comfort using GitHub Actions, IaC, and automated pipelines.
  • Excellent verbal and written communication skills and cross-functional collaboration abilities.
  • Bonus: Experience with healthcare EDI standards (837/834), payer systems, claims processing, HIPAA compliance, or health-tech domain work.

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