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Senior Application Developer Jobs in Webster, MA

Summary: A Product Engineering Senior Manager is an experienced leader who manages product ... This type of manager has shown proven success in managing application engineers and her/his ...

Title: Sr React JS Developer Work Location: Woonsocket, RI 2895 Duration: 12 Months Job Type ... Experience: * 5+ years of experience in developing and architecting application on JavaScript ...

Senior Traffic Engineer

Worcester, MA · On-site

$106K - $160K/yr

The Senior Traffic Engineer will play a key role in performing and overseeing technical designs ... practical application of the latest traffic technologies. This includes expertise in adaptive ...

Senior Traffic Engineer

Worcester, MA · On-site

$106K - $160K/yr

The Senior Traffic Engineer will play a key role in performing and overseeing technical designs ... practical application of the latest traffic technologies. This includes expertise in adaptive ...

Senior Traffic Engineer

Worcester, MA · Hybrid

$106K - $160K/yr

The Senior Traffic Engineer will play a key role in performing and overseeing technical designs ... practical application of the latest traffic technologies. This includes expertise in adaptive ...

Showing results 21-40

Senior Application Developer information

See Webster, MA salary details

$55.9K

$119K

$165.2K

How much do senior application developer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for senior application developer in Webster, MA is $118,976.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,400.00 and $136,700.00 per year, depending on experience, location, and employer.

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

To thrive as a Senior Application Developer, you need advanced programming skills, a deep understanding of software development lifecycles, and typically a bachelor’s degree in computer science or related fields. Mastery of languages like Java, C#, or Python, experience with frameworks, databases, and familiarity with version control systems (such as Git) are essential, and certifications like AWS Certified Developer or Microsoft Certified: Azure Developer Associate can be advantageous. Strong problem-solving, leadership, and communication skills help you manage projects and mentor junior developers. These skills are crucial for delivering robust, scalable applications and ensuring effective collaboration within development teams.

What is the difference between Senior Application Developer vs Application Engineer?

AspectSenior Application DeveloperApplication Engineer
Required CredentialsBachelor's degree in CS or related field; 5+ years experience; programming certificationsBachelor's degree in CS or related field; 3+ years experience; technical certifications
Work EnvironmentDesigning, developing, and maintaining applications; leading projectsImplementing, testing, and supporting applications; collaborating with development teams
Employer & Industry UsageTech companies, finance, healthcare; senior roles in software developmentIT firms, manufacturing, telecom; technical support and implementation roles

While both roles involve application development, Senior Application Developers typically lead projects and have more experience, whereas Application Engineers focus on implementing and supporting applications within technical teams.

What are some typical challenges faced by senior application developers when leading development projects?

Senior Application Developers often encounter challenges such as balancing project deadlines with code quality, managing technical debt, and integrating new technologies into existing systems. They are typically responsible for mentoring junior developers, which requires strong communication and leadership skills. Additionally, they must collaborate closely with cross-functional teams, such as QA, UX/UI designers, and product managers, to ensure that project requirements are met while maintaining scalability and performance standards.

What is a senior application developer?

Senior Application Developers are experienced professionals who design, build, and maintain complex software applications. They lead development teams, make key architectural decisions, and ensure that software projects meet technical standards and business requirements. In addition to writing code, they often mentor junior developers, troubleshoot high-level issues, and collaborate with other departments to deliver robust solutions. Their expertise helps organizations create scalable and efficient applications tailored to business needs.
What cities near Webster, MA are hiring for Senior Application Developer jobs? Cities near Webster, MA with the most Senior Application Developer job openings:
Infographic showing various Senior Application Developer job openings in Webster, MA as of August 2026, with employment types broken down into 71% Full Time, 23% Part Time, and 6% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $118,976 per year, or $57.2 per hour.

Principal Software Engineer/Developer

Fidelity Investments

Smithfield, RI • On-site

$131K - $166K/yr

Full-time

Re-posted 24 days ago


Fidelity Investments rating

8.7

Company rating: 8.7 out of 10

Based on 271 frontline employees who took The Breakroom Quiz

15th of 150 rated financial services


Job description

Job Description:

Note: Fidelity will not provide immigration sponsorship for this position.

Position Description:

Designs, develops, and executes automated test scripts for User Interface (UI), Application Programming Interface (API), and database testing. Performs UI testing using Selenium and TestNG-Java JavaScript Junit. Conducts API testing using Cucumber BDD, Rest Assured, and Karate. Validates data integrity and performs DB testing on MongoDB and PostgreSQL, integrating automated tests into Continuous Integration and Continuous Delivery/Deployment (CI/CD) pipelines with Git and Jenkins. Analyzes results, reports defects, and collaborates with development teams. Maintains and enhances test automation frameworks for functional, regression and E2E flow. Uses business knowledge to translate the vision for divisional initiatives into business solutions by developing complex or multiple software applications and conducting studies of alternatives. Analyzes and recommends changes in project development policies, procedures, standards, and strategies to development experts and management.

Primary Responsibilities:

  • Participates in architecture design teams.
  • Defines and implements application-level architecture.
  • Develops applications on complex projects, components, and subsystems for the division.
  • Recommends development testing tools and methodologies and reviews and validates test plans.
  • Responsible for QA readiness of software deliverables.
  • Develops comprehensive documentation for multiple applications or subsystems.
  • Establishes full project life cycle plans for complex projects across multiple platforms.
  • Responsible for meeting project goals on-time and on-budget.
  • Advises on risk assessment and risk management strategies for projects.
  • Plans and coordinates complex project schedules and assignments for multiple projects.
  • Acts as a primary liaison for business units to resolve various project/technology issues.
  • Provides technology solutions to daily issues and technical evaluation estimates on technology initiatives.
  • Advises senior management on technical strategy.
  • Mentors junior team members.
  • Performs independent and complex technical and functional analysis for multiple projects supporting several divisional initiatives.
  • Develops original and creative technical solutions to on-going development efforts.

Education and Experience:

Bachelor's degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and five (5) years of experience as a Principal Software Engineer/Developer (or closely related occupation) performing Application Programming Interface (API) testing and developing automation scripts within a financial services environment.

Or, alternatively, Master's degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Principal Software Engineer/Developer (or closely related occupation) performing Application Programming Interface (API) testing and developing automation scripts within a financial services environment.

Skills and Knowledge:

Candidate must also possess:

  • Demonstrated Expertise ("DE") designing and executing automation test scripts for Web User Interface (UI), using Selenium WebDriver and Selenium Grid; and performing microservices automation for SOAP/RESTful services using Cucumber BDD, Karate, RestAssured, Java, and Playwright.
  • DE applying DevOps principles throughout the Software Development Life Cycle (SDLC), using Jira and Qtest; and performing Continuous Integration using Jenkins, Data Dog, Git, and Maven.
  • DE implementing and executing automation test scripts for performance testing tools (JMeter) - Thread Groups, Sampler, Controller and Appium for Mobile Testing.
  • DE validating data integrity and performing database testing on MongoDB, PostgreSQL, Redis, and Kafka messages using Eclipse and IntelliJ IDEA.

Salary: $131,675.00 to $166,000.00/year.

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Fidelity's Onsite Working Model
Fidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.

Certifications:Category:Information Technology

Please be advised that Fidelity's business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.


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