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Senior Javascript Developer Jobs in Downingtown, PA

Scout ET

Sr. .NET Developer

Wilmington, DE · On-site

$53 - $69.75/hr

Position title: Sr. .NET Developer Work Location : Wilmington, Delaware. Duration: 12 Months ... JavaScript and HTML, Requirements Working in the Agile environment Experience in C#, ASP.NET, ...

Implify Inc

Sr.net Developer

Wayne, PA · On-site

$49.75 - $63.50/hr

Role: Sr.net Developer Location: Wayne, PA Duration: Full Time (Permanent) Opportunity Requirements ... Net Development (all tiers) SQL Server Development Experience with Kendo UI and JavaScript driven ...

Keylent Inc

: Vlocity Sr.Developer

Wilmington, DE · On-site

$121K - $148K/yr

Vlocity Sr. Developer Visa status: U.S. Citizens and those authorized to work in the U.S. are ... JavaScript. Implement and support customizations and enhancements to existing Salesforce ...

Arka Infotech Inc

Sr.Core Java Developer

Wilmington, DE · On-site

$55.50 - $70.75/hr

Interviews can be arranged immediately Sr. Core Java Developer Location: Wilmington, DE Length: 2 ... CSS, JavaScript, etc.) is a plus - Experience with SOA architecture and principals is a plus ...

USLI

Senior Developer

Wayne, PA · On-site

$49.50 - $65.25/hr

Senior Developer Location: Wayne, PA About Us: At USLI, we're not just about insurance - we are ... NET, JavaScript/jQuery/jSON, Knockout.js, Angular.js, SQL Server, SQL/XML and emerging Microsoft ...

Vangard, Inc.

Senior Mobile DevOps Engineer

Malvern, PA · On-site

$127K - $163K/yr

We are looking for a Senior DevOps Engineer to join our team. You will provide senior level mobile ... React Native (TypeScript/JavaScript) * Familiarity with using mobile analytics tools (e.g ...

Vanguard Group

Senior Mobile DevOps Engineer

Malvern, PA · On-site

$127K - $163K/yr

We are looking for a Senior DevOps Engineer to join our team. You will provide senior level mobile ... React Native (TypeScript/JavaScript) * Familiarity with using mobile analytics tools (e.g ...

Implify Inc

.Net Developer

Wayne, PA · On-site

$43.75 - $57.75/hr

Position: 2 Role: Sr.Net Developer Location: Wayne, PA Duration: Full Time (Permanent) Opportunity ... Net Development (all tiers) SQL Server Development Experience with Kendo UI and JavaScript driven ...

USM

Senior .Net Developer

King Of Prussia, PA · On-site

$55/hr

Senior .Net Developer Location: KOP, PA Duration: Long Term Max rate: $55/hr only MUST BE LOCAL ... Net MVC with some JavaScript framework, preferably Angular. Hands-on with Dependency Injection and ...

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Senior Javascript Developer information

See Downingtown, PA salary details

$31

$62

$82

How much do senior javascript developer jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for senior javascript developer in Downingtown, PA is $62.63, according to ZipRecruiter salary data. Most workers in this role earn between $56.11 and $71.30 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 job categories do people searching Senior Javascript Developer jobs in Downingtown, PA look for? The top searched job categories for Senior Javascript Developer jobs in Downingtown, PA are:
What cities near Downingtown, PA are hiring for Senior Javascript Developer jobs? Cities near Downingtown, PA with the most Senior Javascript Developer job openings:
Senior Javascript Developer jobs near you
Infographic showing various Senior Javascript Developer job openings in Downingtown, PA as of June 2026, with employment types broken down into 67% Full Time, 23% Part Time, 3% Temporary, and 7% Contract. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution, with an average salary of $130,279 per year, or $62.6 per hour.

Sr. .NET Developer

Scout ET

Wilmington, DE • On-site

$53 - $69.75/hr

Contractor

Re-posted 6 days ago

Job description

Job Description

Position title: Sr. .NET Developer

Work Location : Wilmington, Delaware.

Duration: 12 Months project


Position Summary

Application development environment involving a diverse technology stack that includes C#, ASP.NET, Oracle PL/SQL, JavaScript and HTML,

Requirements

Working in the Agile environment

Experience in C#, ASP.NET, Oracle PL/SQL, JavaScript and HTML.

Oracle is a Must.

AngularJS, WebAPI, and Entity Framework with LINQ

Working with a cross functional development team to engineer deliverables and quality software solutions for product

Writing, refurbishing and implementing code predominately through use of native JavaScript & Ajax Frameworks

Also utilizing C#, CSS, HTML, DHTML,

Writing code that is cross browser compatible

Writing code and running appropriate diagnostic tests to proactively solving potential issues

Database & scripting (SQL) a plus

Ability to design, communicate, and implement solutions effectively. This includes the ability to evaluate priorities appropriately, identify problems, and solve problems creatively and efficiently. Familiarity with design patterns helpful.

Conscientious, flexible, motivated, and results-oriented professional. Must be a self-starter and willing to work individually and as part of a small agile team.

Additional Information

Phani

phani(at)scoutet(dot)com

609 - 888 - 6753

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