20 Best Mid Level Sencha Ext JS Python JavaScript Jest MongoDB Developers For Hire In April 2025
Featured Mid Level Sencha Ext JS Python JavaScript Jest MongoDB Developers
Frontend Engineer
Los Angeles, California, US or remote
Comcast Business — Remote Software Engineer IV July 2022 - April 2024 - Implemented a working solution for MUI accessibility bug— improving...
Software Engineer
Rancho Mirage, California, US or remote
SINAI - Pioneered the implementation of Chromatic/Storybook for secure UI hosting and review, yielding a remarkable 20% enhancement in the review...
Full Stack Developer
Columbia, Maryland, US or remote
Thompson Creek Window Company | Full Stack Developer (Sep 2021 - Present) Website Overhaul: Transformed the company's online presence by migrating...
Full Stack Developer
Phoenix, Arizona, US or remote
Full Stack Developer based in Phoenix, Arizona with experience in React.js, Node.js, Flask, PostgreSQL, and other technologies. I have contributed...
Software Engineer
New York, New York, US or remote
Prudential Financial, Inc., Software Engineer Oct 2022 – Present | Newark, NJ • Built a micro-frontend (MFE) web framework, achieving UI...
Software Engineer
New York, New York, US or remote
Maestro.io ~ Software Engineer Redesigned and optimized a key GCS Bucket Cron microservice for URL-to-index.html mapping by incorporating new...
Software Engineer
Washington, District of Columbia, US or remote
WORK EXPERIENCE Applied Materials | Lead Software Engineer ▪ Independently developed a D3-Charts library using TypeScript and React functional...
Frontend Developer / React / JavaScript / CSS
Basalt, Colorado, US or remote
• Led the design and development of enterprise level API documentation built in React using NextJS for OpsRamp, a company valued at $500M and...
Senior React Native / Full Stack Developer
Cambridge, Cambridgeshire, United Kingdom or remote
Pseudoface (Aelusive) https://www.pseudoface.com - Fine tuned open source ML model with custom data to enhance output. - Set up Docker...
Front End Developer
Santa Clara, California, US or remote
Read.ai (Software Engineer, Front End) Dec 2021 - Mar 2023 - At Read.ai, I was a Front End Engineer responsible for implementing new features into...
Full Stack Developer
VALLEJO, California, US or remote
Hello! I'm a full stack developer with a focus on the MERN and PERN tech stacks. Below are a few of the projects I've worked on while following Agile...
Software Engineer
Toronto, Ontario, Canada or remote
• Collaborated with a team of developers to build modern and responsive full stack web applications using best practices. • Created visually...
Full Stack Engineer | Scalable Systems
Mumbai, India or remote
I have been programming since I was 14, and have worked across various stacks and projects. Have worked at only small/early stage startups where...
Full Stack Developer
Columbia, Tennessee, US or remote
Currently a software developer at a large Tennessee Insurance Agency. I've been working mainly with NextJS and React for over a year now....
Full Stack Developer
Fort Worth, Texas, US or remote
Developer for BNSF Railway on the intermodal services team. I developed new features for a web application Hub planner used by trainmasters to...
Software Engineer
Colombo, Western, Sri Lanka or remote
I've been a Software Engineer for over five years now, launched some cool FinTech products at :Different, worked with awesome teams at Wiley, and...
Senior Software Engineer
Split, Croatia or remote
Senior Software Engineer, Aug 2023 – Present, Yodl Pay • Led the creation of a novel payment system, enabling streamlined crypto transactions...
Software Engineer
Delhi, Delhi, India or remote
Software Engineer @ Gan.AI (Aug 2023 - Present) 🚀 Spearheaded the development of core product features as a Frontend Engineer. ⚙️...
Frontend Developer
Kaiserslautern, Germany or remote
B4VALUE.NET Grünstadt, Germany Working Student Software Developer November 2022 – Feb 2025 • Improved code coverage from 40% to 75%+ by...
Senior Software Engineer
Woodside, New York, US or remote
nTop -- Led the deployment of licensing, engagement and data initiatives on front‑end, fast tracked requirements, feature development and...
Who We Are
Hi! I'm Adam, the person behind JS Chimp.
I make web apps and software (especially with PHP/Laravel).
I've been on both sides of the hiring equation.
Sent on interviews that didn't match my skillset. And recieved candidates unrelated to what I hired for.
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