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Senior Api Developer Jobs in Connecticut (NOW HIRING)

Centstone

Senior .NET Developer

Hartford, CT · On-site

$55.50 - $70.50/hr

Senior .NET Developer Location: Hartford, Connecticut (Hybrid) Employment Type: Contract Experience ... Experience with Microsoft Power Apps, SSIS, API integration, Microsoft Visio, and Microsoft Excel ...

Programmers.io

Senior ServiceNow Developer

Stamford, CT · On-site

$57.50 - $79.25/hr

Senior ServiceNow Developer ITSM Environmental, Social, and Governance (ESG) - We are looking for ... Integration API Management Data Connectivity oDevelop robust REST APIs and scripted REST API ...

Staffingine LLC

Sr .Net Developer with Azure AI

Hartford, CT · On-site

$55.50 - $68.75/hr

Job Title: Sr .Net Developer with Azure AI Job Location: Hartford, CT Job Type: Contract * Design ... Strong proficiency in C# NET API design and development * Experience in Azure Cloud eg Container ...

Subway

Sr. IAM Engineer

Shelton, CT · Hybrid

$104K - $143K/yr

OAuth 2.0-protected API design, token validation and scoping, and the OWASP API Security Top 10 ... Proficient scripting in PowerShell, Python, and bash; DevOps fluency including Git-based source ...

Pho Prime, LLC

Sr. IAM Engineer

Shelton, CT · On-site

$120 - $170/hr

OAuth 2.0-protected API design, token validation and scoping, and the OWASP API Security Top 10 ... bash; DevOps fluency including Git-based source control and CI/CD pipeline authorship (Azure ...

Info Way Solutions

Sr. DevOps/SRE

Bloomfield, CT · On-site

$129K - $166K/yr

Info Way Solutions is seeking a Senior DevOps/SRE to support their core cloud infrastructure ... Network, Servers, Active Directory, Linux/Windows Server OS, Web/API Servers, Mongo DB, and similar ...

RCN Capital, LLC.

Senior Software Engineer

Windsor, CT · On-site

$100 - $130/hr

Expert‑level React (Hooks, Context API) and TypeScript. * Experience with modern state management ... Strong experience with Azure (App Services, AI Search, Key Vault) and Azure DevOps/GitHub Actions ...

Pwc

Guidewire Developer, Senior Associate

Stamford, CT · On-site

$77K - $202K/yr

As a Guidewire developer at PwC, you will specialise in developing and customising applications ... Rest Client API and SOAP APIs - Experience with Spring Boot Application Development Travel ...

Pwc

Guidewire Developer, Senior Associate

Hartford, CT · On-site

$77K - $202K/yr

As a Guidewire developer at PwC, you will specialise in developing and customising applications ... Rest Client API and SOAP APIs - Experience with Spring Boot Application Development Travel ...

RCN Capital LLC

Senior Software Engineer

South Windsor, CT · On-site

$119K - $156K/yr

Expert-level React (Hooks, Context API) and TypeScript. * Experience with modern state management ... Strong experience with Azure (App Services, AI Search, Key Vault) and Azure DevOps/GitHub Actions ...

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Senior Api Developer information

See Connecticut salary details

$14

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$83

How much do senior api developer jobs pay per hour?

As of Aug 30, 2026, the average hourly pay for senior api developer in Connecticut is $58.72, according to ZipRecruiter salary data. Most workers in this role earn between $49.86 and $65.87 per hour, depending on experience, location, and employer.

What is a senior API developer?

Senior API Developers are experienced software engineers who specialize in designing, building, and maintaining Application Programming Interfaces (APIs) that allow different software systems to communicate. They often lead technical projects, mentor junior developers, and ensure APIs are secure, scalable, and well-documented. Senior API Developers typically work with a variety of programming languages and frameworks, and collaborate closely with other teams to align API solutions with business goals.

What skills and qualifications are needed to thrive as a senior API developer?

To thrive as a Senior API Developer, you need advanced programming skills (often in languages such as Java, Python, or Node.js), deep understanding of API design principles, and experience with RESTful and/or GraphQL APIs, typically supported by a relevant degree or professional experience. Familiarity with API management tools (like Postman, Swagger, or Apigee), cloud platforms (such as AWS or Azure), and knowledge of authentication protocols (OAuth, JWT) are vital. Strong problem-solving abilities, effective communication, and leadership skills help in collaborating across teams and mentoring junior developers. These competencies ensure robust, scalable API solutions that meet business needs and integrate seamlessly with other systems.

How do senior API developers typically collaborate with product managers and frontend teams during the development process?

Senior API Developers play a key role in bridging backend systems with product and frontend teams. They work closely with product managers to interpret business requirements into technical specifications for APIs. Regular collaboration with frontend developers ensures that APIs are designed for usability, performance, and scalability, often involving code reviews, feedback sessions, and iterative testing. Effective communication and proactive problem-solving are essential to align API functionality with both business objectives and user experience.

What is the difference between Senior Api Developer vs API Engineer?

AspectSenior API DeveloperAPI Engineer
Required CredentialsBachelor's in CS or related, experience in API developmentBachelor's or higher in CS, software engineering, or related field
Work EnvironmentSoftware development teams, tech companies, startupsDevelopment teams, cloud services, enterprise environments
Employer & Industry UsageTech firms, SaaS providers, e-commerceCloud providers, enterprise software, API platforms
Common Search & ComparisonOften compared for API design and development rolesFocuses on API infrastructure and deployment

While both roles involve working with APIs, a Senior API Developer primarily designs, develops, and maintains APIs, focusing on functionality and integration. An API Engineer often emphasizes the infrastructure, deployment, and scalability of APIs within larger systems. Understanding these distinctions helps employers and professionals choose the right role for their needs.

Are senior API developers in demand?

Senior API developers are in high demand due to the increasing reliance on web services and integrations across industries. They are often required to have expertise in REST, SOAP, and API security, with many organizations seeking experienced professionals to build and maintain scalable, secure APIs. The demand is expected to grow as digital transformation accelerates and companies prioritize cloud-based solutions.

How much do senior API developers make?

Senior API developers typically earn between $100,000 and $150,000 annually, depending on experience, location, and industry. They often have expertise in RESTful APIs, programming languages like Java or Python, and may hold certifications that enhance their earning potential.

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

The most popular types of Api Developer jobs in Connecticut are:

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

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

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

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

Senior Api Developer jobs near you
Infographic showing various Senior Api Developer job openings in Connecticut as of August 2026, with employment types broken down into 82% Full Time, 5% Part Time, 2% Temporary, and 11% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $122,145 per year, or $58.7 per hour.

Senior .NET Developer

Hartford, CT • On-site

Centstone
Recruiting and Staffing Services • 51 - 200 employees
Learn more about Centstoneexternal

$55.50 - $70.50/hr

Contractor

Posted 26 days ago

Job description

Senior .NET Developer

Location: Hartford, Connecticut (Hybrid)

Employment Type: Contract

Experience: 10+ Years

About the Role

We are seeking an experienced Senior .NET Developer to support enterprise application development, modernization, and data migration initiatives. The ideal candidate will design, develop, and enhance .NET applications, build Power Apps solutions, support Azure-based deployments, and collaborate with cross-functional teams in an Agile Scrum environment.

Responsibilities
  • Design, develop, and maintain enterprise applications using ASP.NET MVC, C#, and Entity Framework.
  • Build customer-facing web applications, Power Apps solutions, and Azure App Services.
  • Develop and optimize Azure SQL databases, T-SQL queries, stored procedures, and CI/CD pipelines using Azure DevOps.
  • Perform data migration validation, automated SQL testing, data mapping, and system integration support.
  • Collaborate with business analysts, QA teams, developers, and stakeholders throughout the Agile software development lifecycle.
Requirements
  • 10+ years of .NET application development experience using ASP.NET MVC, C#, and Entity Framework.
  • Strong experience with Azure App Services, Azure SQL Database, Azure DevOps, Azure Git Repositories, and CI/CD pipelines.
  • Experience with SQL Server, T-SQL, data migration, data validation, automated SQL testing, and data mapping.
  • Experience working in Agile Scrum environments with user stories, requirements analysis, and SDLC best practices.
  • Experience with Microsoft Power Apps, SSIS, API integration, Microsoft Visio, and Microsoft Excel is preferred.
Centstone logo

About Centstone

Sourced by ZipRecruiter

In the dynamic landscape of today’s business environment, flexibility is key. At Centstone, we understand the unique demands of your industry and offer tailored Contract Hiring solutions to empower your organization with the right talent when you need it most.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Hazlet, NJ, US

Year founded

2022

Social media

Facebook

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