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Senior Javascript Engineer Jobs in Missouri (NOW HIRING)

Walmart

Javascript Senior Software Developer

Cassville, MO · On-site

$90K - $180K/yr

As a Senior Software Engineer in Information Security, you will design, develop, and support enterprise Identity and Access Management (IAM) solutions. This role will drive identity modernization ...

Mastercard, Inc.

Senior Software Engineer - Java

O Fallon, MO · On-site

$116K - $153K/yr

Title and Summary Senior Software Engineer - Java Overview: Mastercard's Enterprise Credit Risk ... React, Angular, TypeScript, JavaScript, HTML5 / CSS3 oData & Integration: SQL, PostgreSQL / Oracle ...

MasterCard

Senior Software Engineer - Java

O Fallon, MO · Hybrid

$116K - $153K/yr

Title and Summary Senior Software Engineer - Java Overview: Mastercard's Enterprise Credit Risk ... Develop modern, responsive user interfaces using React, Angular, TypeScript, JavaScript, or similar ...

Nerdy

Senior Software Engineer

Saint Louis, MO · On-site

$114K - $151K/yr

Your focus would be on building products using Javascript and Typescript and a core Object-Oriented ... We require Senior Software Engineers with a strong focus on AI-Native development. Proficiency in ...

Walmart

Javascript Senior Software Developer

Cassville, MO · On-site

$90K - $180K/yr

As a Senior Software Engineer in Information Security, you will deliver advanced support and develop enterprise security services by analyzing systems and designing robust security solutions. This ...

Walmart

Javascript Senior Software Developer

Noel, MO · On-site

$90K - $180K/yr

As a Senior Software Engineer in Information Security, you will deliver advanced support and develop enterprise security services by analyzing systems and designing robust security solutions. This ...

Walmart

Javascript Senior Software Developer

Anderson, MO · On-site

$90K - $180K/yr

As a Senior Software Engineer in Information Security, you will deliver advanced support and develop enterprise security services by analyzing systems and designing robust security solutions. This ...

Walmart

Javascript Senior Software Developer

Anderson, MO · On-site

$90K - $180K/yr

As a Senior Software Engineer in Information Security, you will lead the design, development, and maintenance of advanced enterprise security solutions. This role involves analyzing business ...

Walmart

Javascript Senior Software Developer

Noel, MO · On-site

$90K - $180K/yr

As a Senior Software Engineer in Information Security, you will lead the design, development, and maintenance of advanced enterprise security solutions. This role involves analyzing business ...

M2S Tech Solutions

senior SDET

Mexico, MO · On-site

$41.25 - $53.25/hr

Job Title: Senior SDET Location: Mexico Experience: 8-12 years overall; 7+ years relevant ... Build automated tests using JavaScript or TypeScript . * Work with automation tools such as ...

MasterCard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ... with JavaScript/TypeScript and Node.js / Java microservices. Proven experience with backend ...

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All JobsJavascript Engineer JobsSenior Javascript Engineer JobsSenior Javascript Engineer Jobs in Missouri

Senior Javascript Engineer information

See Missouri salary details

$117.3K

$157.2K

$179.2K

How much do senior javascript engineer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for senior javascript engineer in Missouri is $157,191.00, according to ZipRecruiter salary data. Most workers in this role earn between $146,300.00 and $169,300.00 per year, depending on experience, location, and employer.

What does a senior JavaScript engineer do?

A Senior JavaScript Engineer is responsible for designing, developing, and maintaining complex web applications using JavaScript and related technologies. They often lead development teams, make architectural decisions, and ensure best coding practices are followed. In addition to writing code, they may mentor junior developers, review code for quality, and collaborate with cross-functional teams to deliver high-quality software solutions.

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

To thrive as a Senior Javascript Engineer, you need deep expertise in JavaScript, modern front-end frameworks (like React or Angular), and a solid grasp of software engineering principles, typically supported by a degree in computer science or equivalent experience. Familiarity with build tools (Webpack, Babel), version control systems (Git), and automated testing frameworks is crucial for efficient development. Strong problem-solving skills, effective communication, and leadership abilities help you mentor team members and collaborate on complex projects. These skills are vital for delivering high-quality, scalable applications and driving innovation within development teams.

What are some common challenges faced by senior JavaScript engineers when leading projects with cross-functional teams?

Senior JavaScript Engineers often encounter challenges such as aligning frontend and backend development timelines, ensuring code quality across distributed teams, and effectively communicating complex technical concepts to non-technical stakeholders. Managing dependencies between various team members and integrating new technologies or frameworks can also present difficulties. Successful engineers overcome these challenges by fostering clear communication, implementing robust documentation, and promoting collaborative problem-solving within agile workflows.

What are popular job titles related to Senior Javascript Engineer jobs in Missouri?

For Senior Javascript Engineer jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Senior Javascript Engineer jobs in Missouri look for?

The top searched job categories for Senior Javascript Engineer jobs in Missouri are:

What are popular job titles related to Senior Javascript Engineer jobs in MO?

For Senior Javascript Engineer jobs in MO, the most frequently searched job titles are:

Senior Javascript Engineer jobs near you
Infographic showing various Senior Javascript Engineer job openings in Missouri as of August 2026, with employment types broken down into 93% Full Time, 2% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $157,191 per year, or $75.6 per hour.

Senior Network Automation Engineer, Full-Stack

Federal Reserve Bank of San Francisco

Kansas City, MO • On-site

$101K - $138K/yr

Full-time

Re-posted 8 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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