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Senior Javascript Developer Jobs in Chester, PA (NOW HIRING)

TiltEdge Solutions LLC

Senior Tech Lead

Malvern, PA · On-site

$72.50/hr

Job Title: ( Senior Tech Lead)-Java Developer Location: Malvern, PA. Duration: 6-12 Months Rate ... JavaScript/Typescript, CSS, Jest) · Proficiency in Python. · Proficiency in DevOps concepts ...

RIT Solutions, Inc.

Senior Frontend Engineer

Malvern, PA · On-site

$120K - $165K/yr

RIT Solutions, Inc. is seeking a Senior Frontend Engineer with strong UI expertise and hands-on experience in building modern, scalable applications using React.js, Preact, and JavaScript/TypeScript.

Anagh Technologies, Inc.

Sr React Developer

Philadelphia, PA · On-site

$55 - $72.50/hr

Excellent JavaScript knowledge and programming experience with ES5/ES6 * Proven understanding and development experience in React * Experience with Typescript, NodeJS, NPM * Experience with module ...

Aprio

Senior Application Developer

Philadelphia, PA · On-site

$96K - $133K/yr

The Senior Applications Developer is responsible for analysis and design, scope documentation ... Eclipse, Java, JavaScript, HTML * Linux * Apache Tomcat * Visual Studio, VB.NET, ASP.NET, C#

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How much do senior javascript developer jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for senior javascript developer in Chester, PA is $58.27, according to ZipRecruiter salary data. Most workers in this role earn between $52.16 and $66.30 per hour, depending on experience, location, and employer.

What is a senior JavaScript developer?

A Senior JavaScript Developer is a highly experienced programmer specializing in JavaScript, including frameworks like React, Angular, or Node.js. They are responsible for designing, developing, and optimizing web applications, ensuring high performance and maintainability. Additionally, they provide technical leadership, mentor junior developers, and collaborate with cross-functional teams to deliver scalable solutions. Strong problem-solving skills, deep knowledge of JavaScript best practices, and experience with modern development tools are essential for this role.

What are typical challenges faced by senior JavaScript developers in day-to-day work?

Senior Javascript Developers often encounter complex challenges such as optimizing web application performance, ensuring code scalability and maintainability, and integrating with diverse APIs and services. They are also expected to troubleshoot legacy code and address security vulnerabilities, all while keeping up with the rapidly evolving JavaScript ecosystem. Collaborating with designers, product managers, and junior developers can add layers of complexity to project requirements. However, overcoming these challenges is rewarding and provides opportunities to shape technical strategy and influence best practices within the team.

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

To thrive as a Senior Javascript Developer, a strong command of JavaScript (including ES6+), advanced front-end frameworks (like React, Angular, or Vue), and back-end technologies (such as Node.js) are essential, along with several years of professional coding experience. Familiarity with version control systems (like Git), CI/CD pipelines, and relevant certifications (e.g., AWS Certified Developer or JavaScript certifications) is highly valued. Excellent problem-solving abilities, mentorship skills, and effective communication help developers collaborate and lead within cross-functional teams. These skills enable Senior Javascript Developers to build robust applications, guide junior team members, and drive innovation in fast-paced tech environments.

What cities near Chester, PA are hiring for Senior Javascript Developer jobs? Cities near Chester, PA with the most Senior Javascript Developer job openings:
Senior Javascript Developer jobs near you

Senior Network Automation Engineer, Full-Stack

Federal Reserve Bank of San Francisco

Philadelphia, PA • On-site

$99K - $136K/yr

Full-time

Re-posted 10 days ago

Job description

Job Summary:
Federal Reserve Bank of Richmond is seeking a highly skilled Senior Network Automation Engineer to bridge the gap between traditional networking and modern software engineering. This role is pivotal in supporting the automation lifecycle for critical business lines and ensuring the network infrastructure remains agile, secure, and resilient.
Responsibilities:
• Lead End-to-End Development: Design, test, and implement complex automation solutions in a NextJS, JavaScript and Python environment. Support legacy software within a Java SpringBoot, OpenShift environment
• Technical Leadership: Direct the work of junior developers, conduct rigorous code reviews, and ensure the architectural integrity of all programming tasks.
• Lifecycle Management: Guide projects through the full release cycle, including security compliance, architectural design reviews, and production readiness testing.
• System Integration: Build and maintain high-performance integrations between internal and external systems using MuleSoft API Gateways, and ServiceNow.
• UI Modernization: Create intuitive, user-friendly interfaces for self-service network management tools using Angular.
• Operational Support: Participate in a 24/7 on-call rotation to ensure the continuous availability of critical automation services.
Qualifications:
Required:
• 6 to 9 years of experience at the Senior level, and 3 to 5 years of experience at the Experienced level.
• Advanced proficiency in Java, NextJS and JavaScript with a focus on API-driven connectivity.
• Proven experience building and maintaining self-service tools, bonuses for network infrastructure.
• Expertise in AWS architecture and Infrastructure as Code (IaC) (e.g., Terraform, CloudFormation).
• Hands-on experience with Angular for developing modern, responsive dashboards.
• Deep knowledge of MuleSoft and multi-threaded development for high-throughput operations. ServiceNow for ITSM responsibilities.
• Experience deploying and managing applications in Red Hat OpenShift.
• CI/CD experience, with additional knowledge in GitHub/GitLab, Maven and Jenkins.
Company:
We are the Federal Reserve Bank of San Francisco—public servants with a mission to advance the nation’s monetary, financial, and payment systems to build a stronger economy for all Americans. Founded in 1913, the company is headquartered in San Francisco, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

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