Entry Level JavaScript Developer jobs in Saint Louis, MO

Full Stack JavaScript Developer (Data & Search Focus)

St. Louis, Missouri

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Today

Location: St. Louis, MO (On-site) Clearance: TS Required Position Overview Metric5 is seeking a motivated Full Stack JavaScript Developer to join a highly visible mission project for our NGA customer. In this role, your primary focus will be designing, building, and maintaining robust web applications using React, Node.js, NestJS, and TypeScript within a modern cloud-native ecosystem. You will also assist with integrating, optimizing, and supporting the application's underlying data streaming in

Full-time

USD 140,000.00 - 170,000.00 per year

Entry Level Software Developer

St. Louis, Missouri

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Today

The Leidos Maritime ASET team has an opening for a junior (entry level) software developer to work on the design and coding with software solutions for 6 month - temporary to permanent hire position. The ideal candidate has a familiarity with and a baseline understanding of software development concepts, developing coding skills using different tools, and ambition towards future projects in support of the mission. Primary Responsibilities Applicant must possess competence with Python and JavaScr

Full-time

USD 57,850.00 - 104,575.00 per year

Application Developer - JavaScript

St. Louis, Missouri

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Today

Overview We are seeking an Application Developer to join Esri's Geo Experience Center team, where you will contribute to building prototype applications that explore digital cartography, advanced map visualizations, and web-based GIS experiences. This role focuses on hands-on application development using JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, and modern web application frameworks to test ideas, visualize complex spatial data, and support early-stage innovation. You will work

Full-time

USD 83,720.00 - 141,440.00 per year

Jr-to-Mid Software Developer

Remote or Dahlgren, Virginia

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2d ago

Overview SimVentions is 100% employee-owned and proudly ranked among Virginia's Best Places to Work year after year! We are actively seeking a junior to mid-level software developer for the Machine Learning Operations (MLOps) project. The ideal candidate will have a strong foundation in Artificial Intelligence (AI) / Machine Learning (ML) and large language models (LLMs) with some software development experience. Travel Minimal CONUS and local travel required Clearance An interim Secret Cle

Full-time

USD 79,000.00 - 109,760.00 per year

Remote Senior JavaScript/React Developer

Remote

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2d ago

AboutUs: BasedinSanFrancisco,California,TuringistheworldsleadingresearchacceleratorforfrontierAIlabsandatrustedpartnerforglobalenterprisesdeployingadvancedAIsystems.Turingsupportscustomersintwoways:first,byacceleratingfrontierresearchwithhigh-qualitydata,advancedtrainingpipelines,plustopAIresearcherswhospecializeinsoftwareengineering,logicalreasoning,STEM,multilinguality,multimodality,andagents;andsecond,byapplyingthatexpertisetohelpenterprisestransformAIfromproofofconceptintoproprietaryintellig

Easy Apply

Contract

200 - 300

Senior Full Stack Developer - JavaScript

Remote

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26d ago

Detailed Job Description: Position Title: Sr. Full Stack Engineer Location: 100% Remote Duration: 6 Months Contracts + Extension As a Senior Full Stack Engineer, candidate will be responsible for building and maintaining robust data pipelines and ETL processes that power analytics and reporting across Client programs. Candidate will also develop and optimize complex SQL queries to support large-scale educational data analysis and take responsibility for creating design specifications, unit te

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Contract

$75 - $82

ServiceNow Developer - JavaScript, REST APIs & Integrations(Remote)

Remote

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4d ago

ServiceNow Developer JavaScript, REST APIs & IntegrationsEmployment Type:Full-Time / Permanent Work Arrangement:Remote Salary:$120,000 per year Work Authorization:U.S. Citizenship Required Position OverviewWe are seeking an experiencedServiceNow Developerto join our team in a full-time, remote position. The ideal candidate will have5+ years of hands-on ServiceNow development experiencewith strong expertise inJavaScript, ServiceNow scripting, workflows, Flow Designer, REST APIs, integrations, pl

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Full-time

120,000 - 130,000

Senior Software Engineer I- Fullstack

Remote

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Today

As a Senior Software Engineer I - EHR Integrations, Fullstack, you are someone who has experience building "0 to 1 products'', and you thrive in an ambiguous environment. As the Sr. SWE I on the team, you will be taking Aledade's world class point of care insights (Dx suggestions, analytics, care suggestions) one step closer to the Electronic Health Record (EHR) systems that our partner practices use for patient management! You will be building cutting-edge full stack applications, built on top

Full-time

JavaScript Developer (Remote)

Remote or Stafford, Virginia

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Today

The following states/districts are excluded from this job ad: AK, CA, CO, CT, DC, HI, LA, MA, MN, MO, NE, NV, NH, NJ, NM, NY, ND, OR, PR, RI, VT, WA, WY Future Need - Actively Interviewing Location: Remote in any United States jurisdiction not excluded from this job advertisement. Are you passionate about JavaScript coding and ready to take on new challenges? We're seeking a skilled JavaScript Developer to support the development and enhancement of Department of Veterans Affairs solutions. If

Full-time

USD 89,759.00 - 117,910.00 per year

Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)

St. Louis, Missouri

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Today

This job requires active TS/SCI clearance. Please apply only if you have an active TS/SCI clearance. North Point Technology is looking to hire a Full Stack Software Engineer to support a mission-critical GEOINT program for an Intelligence Community customer. The qualified candidate must have an active Top Secret/SCI security clearance and will design, develop, and deliver modern, cloud-native software solutions that enable national security missions. The ideal candidate has an excellent unders

Full-time

Remote Senior JavaScript/React Engineer

Remote

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2d ago

Easy Apply

Contract

200 - 300

Senior Front End Software Developer (AI, React, JavaScript) - Remote US

Remote or Waltham, Massachusetts

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Today

Job Title Senior Front End Software Developer (AI, React, JavaScript) - Remote US Location(s) United States - Waltham MA About Us Revvity is a developer and provider of end-to-end solutions designed to help scientists, researchers, and clinicians solve the world's greatest health challenges. We pair the enthusiasm of an industry disruptor with the experience of a longtime leader. Our team of 11,000+ colleagues from around the globe are vital to our success and the reason we're able to push bou

Full-time

USD 130,000.00 - 158,000.00 per year

*Senior Full Stack Engineer (Backend focused - Nodejs, Javascript, AWS exp.) - W2 role

Remote

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11d ago

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details Posit

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Contract, Third Party

Depends on Experience

Senior JavaScript Test Automation Engineer

Remote

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Today

We are looking for a Senior Test Automation Engineer with strong experience in JavaScript- or TypeScript-based automation frameworks. The ideal candidate should have hands-on experience building and maintaining automated tests for modern web applications and APIs, with a strong focus on quality, reliability, and maintainability. This role requires solid automation experience, strong testing fundamentals, and the ability to collaborate effectively with development, product, and QA teams. Responsi

Full-time

Senior Performance Engineer- JMeter, JavaScript - Remote

Remote

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Today

Description & Requirements Maximus is currently seeking a Senior Performance Engineer. The Senior Performance Engineer leads performance engineering activities across large-scale healthcare technology programs. This role defines performance test strategies, develops and maintains performance testing frameworks, creates realistic workload models, and evaluates application scalability, reliability, stability, and capacity. The engineer partners with Development, Architecture, DevOps, Cloud Engine

Full-time

USD 120,000.00 per year

Test Automation Architect (JavaScript / Python)

Remote

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Today

Join our Testing Competency Center as a Test Automation Architect and drive modern automation strategies with a strong focus on JavaScript or Python ecosystems . You will play a key role in shaping scalable automation solutions and integrating AI into the SDLC. Responsibilities Design and implement end-to-end test automation architectures using JavaScript and Python Define automation strategies, including framework selection, tooling, and infrastructure setup Build and scale automation from scra

Full-time

Entry Level JavaScript Developer jobs in St. Louis, MO, USA