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Blockchain Or Web3 Solidity Defi Developer Engineer Jobs in Webster, MA

You will design, implement, and configure automation systems, and/or write custom systems. We ... Grow into position leading a team of engineers and technicians to provide automation and ...

Proficiency using 3D parametric modeling software (preferably Solidworks or UGNX) * Proficiency ... Strong understanding of mechanical engineering principles, materials, solid and fluid mechanics ...

Proficiency using 3D parametric modeling software (preferably Solidworks or UGNX) * Proficiency ... Strong understanding of mechanical engineering principles, materials, solid and fluid mechanics ...

Manufacturing Engineer

Walpole, MA

$79K - $102K/yr

Proficiency or demonstrated aptitude with Siemens NX CAM, including fully associative programming linked to managed CAD data, or ability to learn rapidly. * VERICUT digital simulation experience, or ...

Manufacturing Engineer

Walpole, MA · On-site

$106K - $159K/yr

Proficiency or demonstrated aptitude with Siemens NX CAM, including fully associative programming linked to managed CAD data, or ability to learn rapidly. * VERICUT digital simulation experience, or ...

Manufacturing Engineer

Walpole, MA

$79K - $102K/yr

Proficiency or demonstrated aptitude with Siemens NX CAM, including fully associative programming linked to managed CAD data, or ability to learn rapidly. * VERICUT digital simulation experience, or ...

Has a firm competency of one or more control systems platforms or industrial processes. * Adapts to ... Programming controllers with Rockwell and Siemens * Designing electrical control cabinets and ...

Has a firm competency of one or more control systems platforms or industrial processes. * Adapts to ... Programming controllers with Rockwell and Siemens * Designing electrical control cabinets and ...

Principal Software Engineer

Johnston, RI · On-site

$135K - $182K/yr

AWS Certified Developer * Equivalent Azure or GCP certifications Technical Skills Programming Languages * Java * Node.js * Go (Preferred) * Python (Preferred) Front-End Technologies * Angular * React ...

Staff Automation Engineer

Woonsocket, RI · On-site

$130K - $260K/yr

Familiarity with cloud platforms such as AWS, Azure, or Google Cloud Platform. * Experience with performance testing, capacity planning, and scalability assessments. * Knowledge of DevOps practices ...

Has a firm competency of one or more control systems platforms or industrial processes. * Adapts to ... Programming controllers with Rockwell and Siemens * Designing electrical control cabinets and ...

Principal Software Engineer

Johnston, RI · On-site +1

$135K - $182K/yr

AWS Certified Developer * Equivalent Azure or GCP certifications Technical SkillsProgramming Languages * Java * Node.js * Go (Preferred) * Python (Preferred) Front-End Technologies * Angular * React ...

Senior Automation Engineer

Charlton, MA · On-site

$111K - $145K/yr

Bachelor's degree in Electrical or Mechanical Engineering, Engineering Technology, or a related field, or 5+ years of equivalent professional or military experience * Experience with electrical ...

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Blockchain Or Web3 Solidity Defi Developer Engineer information

See Webster, MA salary details

$61.6K

$115.6K

$210.2K

How much do blockchain or web3 solidity defi developer engineer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for blockchain or web3 solidity defi developer engineer in Webster, MA is $115,587.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,400.00 and $137,200.00 per year, depending on experience, location, and employer.

What is the difference between Blockchain Or Web3 Solidity Defi Developer Engineer vs Blockchain Or Web3 Solidity Defi Developer Engineer?

AspectBlockchain Or Web3 Solidity Defi Developer Engineer

Since both titles are identical, there is no difference in roles, skills, or industry usage. They typically require knowledge of blockchain development, smart contracts, Solidity, and DeFi protocols, working in blockchain or crypto companies. Both roles focus on developing decentralized applications and smart contracts on blockchain platforms.

What cities near Webster, MA are hiring for Blockchain Or Web3 Solidity Defi Developer Engineer jobs? Cities near Webster, MA with the most Blockchain Or Web3 Solidity Defi Developer Engineer job openings:

Principal Software Engineer/Developer

Fidelity Investments

Smithfield, RI

$131K - $166K/yr

Full-time

Re-posted 26 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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