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Senior Back End Developer Jobs in Connecticut (NOW HIRING)

Hyperfine

Senior Software Engineer, Cloud

Guilford, CT · On-site

$143K - $165K/yr

Senior Software Engineer, Cloud Location:Guilford, Connecticut This role is for talented Software ... Backend web development, including best software engineering practices, efficient object-oriented ...

Protegrity

Senior Manager, Engineering (821)

Fairfield, CT · On-site

$199K - $217K/yr

Solid experience integrating or developing backend services, including API design and microservices ... Exposure to AI/LLM-powered UI experiences or developer productivity tools. Should you accept this ...

Labcorp

Senior Software Engineer

Bloomfield, CT

$122K - $161K/yr

Design, implement, and maintain applicationspecific user interfaces, web services, backend database ... The Senior Software Engineer plays a key role in advancing automation capabilities, improving ...

RCN Capital, LLC.

Senior Software Engineer

Windsor, CT · On-site

$100 - $130/hr

Develop high‑performance backend services and APIs using C# and .NET 10 / .NET Core * Design and ... Strong experience with Azure (App Services, AI Search, Key Vault) and Azure DevOps/GitHub Actions ...

Scout ET

Perl Developer

East Haven, CT

The role of the Sr. Software Engineer is to work with Technical Lead and is responsible for ... backend applications that include several data sources, a number of servers, developed and run by ...

PetVet Care Centers

Full Stack Developer

Westport, CT

$85K - $95K/yr

... senior team members. * After a few months, the developer will own 1-2 enterprise applications end to end (front end and back end). * Fix bugs and resolve production issues. * Work with other ...

Interactive Brokers

Sr Software Developer

Greenwich, CT · On-site

$64.25 - $82/hr

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 ...

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Senior Back End Developer information

See Connecticut salary details

$60.9K

$133K

$181.2K

How much do senior back end developer jobs pay per year?

As of Sep 3, 2026, the average yearly pay for senior back end 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 back end developer?

Senior Back End Developers are experienced software engineers who specialize in building and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They collaborate with front end developers and other team members to ensure seamless integration and optimal performance of applications. Their responsibilities often include designing system architecture, optimizing code for scalability, implementing security best practices, and mentoring junior developers. Senior Back End Developers typically have several years of experience and a deep understanding of programming languages such as Java, Python, Ruby, or Node.js.

What are the key skills and qualifications needed to thrive as a senior back end developer?

To thrive as a Senior Back End Developer, you need advanced programming skills (such as in Python, Java, or Node.js), a deep understanding of server-side architecture, and experience with databases, often backed by a degree in computer science or related fields. Familiarity with frameworks (like Django or Spring), RESTful APIs, cloud platforms (AWS, Azure, or GCP), and version control systems (such as Git) is typically required, along with relevant certifications. Strong problem-solving, collaboration, and communication skills help you deliver robust solutions and mentor junior developers. These skills ensure scalable, secure, and maintainable back-end systems that are vital for reliable business operations.

What are some common challenges senior back end developers face when working on large-scale systems?

Senior Back End Developers often encounter challenges such as ensuring system scalability, maintaining high performance under increased load, and designing robust APIs that can evolve over time. They must also address complex data consistency issues and integrate with multiple third-party services or legacy systems. Collaborating closely with front end, DevOps, and QA teams is crucial to align on architecture decisions and streamline deployment processes, making strong communication and problem-solving skills essential.

What is the difference between Senior Back End Developer vs Backend Engineer?

AspectSenior Back End DeveloperBackend Engineer
Required CredentialsBachelor's in CS or related field, experience in backend developmentBachelor's in CS or related field, experience in backend systems
Work EnvironmentCollaborates with front-end developers, product managers, and QA teamsWorks on server-side logic, database integration, and API development
Industry UsageCommon in tech companies, startups, and enterprise software firmsUsed across similar industries, often interchangeably with Senior Back End Developer

Both roles require similar technical skills and educational backgrounds, focusing on server-side development. The main difference lies in the seniority level and scope of responsibilities, with Senior Back End Developers typically taking on more leadership and complex project tasks compared to Backend Engineers.

What are the most commonly searched types of Back End Developer jobs in Connecticut?

The most popular types of Back End Developer jobs in Connecticut are:

What are popular job titles related to Senior Back End Developer jobs in Connecticut?

For Senior Back End Developer jobs in Connecticut, the most frequently searched job titles are:

What job categories do people searching Senior Back End Developer jobs in Connecticut look for?

The top searched job categories for Senior Back End Developer jobs in Connecticut are:

What cities in Connecticut are hiring for Senior Back End Developer jobs?

Cities in Connecticut with the most Senior Back End Developer job openings:

Senior Back End Developer jobs near you
Infographic showing various Senior Back End Developer job openings in Connecticut as of August 2026, with employment types broken down into 87% Full Time, and 13% Contract. Highlights an 70% In-person, 2% Hybrid, and 28% Remote job distribution, with an average salary of $133,027 per year, or $64 per hour.

Senior Software Engineer, Cloud

Hyperfine

Guilford, CT • On-site

$143K - $165K/yr

Full-time

Re-posted 17 days ago

Job description

About Us
Hyperfine, Inc. (Nasdaq: HYPR) is the groundbreaking health technology company that has redefined brain imaging with the Swoop® system-the first FDA-cleared, portable, ultra-low-field, magnetic resonance brain imaging system capable of providing imaging at multiple points of care in a healthcare facility. Our mission is to revolutionize patient care globally through transformational, accessible, clinically relevant diagnostic imaging. Learn More
About The Role
Job Title: Senior Software Engineer, Cloud
Location:Guilford, Connecticut
This role is for talented Software Engineers with applied experience in building modern cloud services and web applications. The goal of this role is to design and develop key software systems for remote setup, management, and monitoring of our fleet of devices and ingestion, storage, visualization, and retrieval of data at a large scale. This engineer will work closely with other software engineers, product managers, UI/UX designers, and subject matter experts across the organization to implement solutions for a wide range of challenging clinical problems in MRI aimed at improving patient outcomes. Across the organization they will make a significant contribution to the company's overall vision of developing cloud services with a delightful look and feel.
Key Responsibilities:
  • Develop software systems and cloud applications with focus on maintenance, extensibility, integration, and security of data storage and retrieval.
  • Quickly learn new tooling, platforms, and frameworks, when building and developing microservices and APIs.
  • Adoption of new policies, technologies, and practices, as well as the evolution of existing methodologies.
  • Implement comprehensive medical web application systems for multiple large-scale internal and external facing projects and document the design and specifications for internal and regulatory documentation.
  • Participate in the code review process.
  • Collaborate with software and cross-functional teams in design and technical reviews.
  • Define high-level architecture, design and implement software solutions, assume accountability for the deployment and release of contributed code, and support the post-release lifecycle of our products.
  • Mentor and support other engineers on the cloud team in your areas of expertise.
  • Maintain familiarity with compliance standards mandated within a regulated medical device environment.
  • Contribute code to a medical device software for cloud connectivity, including OTA (Over-the-air updates), Telemetry, User Management, MIoT (Medical Internet of Things), and PACS (Picture Archiving and Communication System) relay.

Knowledge, Skill & Abilities:
  • Building modern cloud services on AWS, GCP, or Azure.
  • Backend web development, including best software engineering practices, efficient object-oriented software design, and building modern back-end systems (Python).
  • Building and developing APIs and restful web services (Node.js, Flask/Nginx, Docker, PostgreSQL, SQLAlchemy).
  • Front-end web development (Javascript, Typescript) and modern frameworks (React).
  • Working with Product and UI/UX designers, translating wireframes and requirements into web applications.

Education & Experience:
  • Bachelor's degree in Computer Science or related field and 8+ years' of work experience; or Masters Degree in Computer Science and 5+ years of work experience; or equivalent work experience.
  • Prior experience working in a regulated environment preferred.

Physical Demands:
  • Top-notch written and communication skills in English.
  • Ability to take part in on-call rotation to maintain service uptime.
  • Ability to use and program a computer for 8 hours a day, five days a week.

Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship now or in the future of any employment Visa.
The annual base salary for this position is between $143,500 - $165,000. This position is also eligible for to participate in Hyperfine's corporate bonus and equity plans. Individual compensation packages are based on various factors unique to each candidate including skill set, relevant experience, qualifications, location, position level, and other job-related reasons.
Agency Resumes: We do not accept resumes from recruitment agencies without a prior agreement in place. Any unsolicited resumes submitted by agencies will be considered the property of Hyperfine and will not be subject to any fees or charges if the candidate is hired.

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