Senior Full-Stack Web Application Developer / Software Engineer

apHarmony
Bartlett, IL

Careers / Job Opportunities

Senior Full-Stack Web Application Developer / Software Engineer

Location:Bartlett, ILDepartment:Software DevelopmentType:Full TimeMin. Experience:5+ Years

*** This is an on-site position ***

Who We Are

apHarmony is a fast growing software company with offices in Bartlett, IL (Northwest Chicago Suburbs). We build advanced software applications for businesses across a wide variety of industries. The types of applications we build are primarily custom web apps, line-of-business systems, and custom API integrations.

Who You Are

You're an experienced and talented SENIOR FULL-STACK WEB APPLICATION DEVELOPER / SOFTWARE ENGINEER looking to join our team.

You're a self-starter, and love to solve exciting design challenges for large e-commerce and manufacturing companies, and implement real-world solutions for a large user base. You write bullet-proof code, and relish the opportunity to lead others to do the same. You're looking forward to working in an established software development firm with a start-up atmosphere.

You're a candidate with 5+ years of experience, with a proven ability to build successful software solutions.

Job Overview:

You will be hands-on, leading the design, implementation, testing, launch, and support of the various applications.

  • Our applications are primarily written in JavaScript (Node.js Back-end, React, and Native JS front-end) and SQL (SQL Server & PostgreSQL)
  • You should have solid experience with web application development using a JavaScript stack, and should be excited at the prospect of ramping up quickly with new platforms and technologies
  • You should have strong experience with the full software development process, including:
    • Analyzing and Defining Requirements
    • Developing Full-stack Applications
    • Testing
    • Deployment


Job Requirements:

  • Bachelor's Degree in Computer Science or related field,
  • In-depth understanding of JavaScript,
  • Ability to write cross-browser and cross-platform applications,
  • 5+ years experience writing reusable, maintainable, and well-tested code,
  • Excellent verbal and written communication skills,
  • Excellent teamwork and project management skills.

What we value as a team:

  • Passion, technical expertise, and personal accomplishment,
  • Rolling up your sleeves and getting things done,
  • Candidate must be capable of analyzing and solving complex problems, with both applications and technology,

Surrounding Area: Bartlett, Schaumburg, Barrington, Hoffman Estates, Rolling Meadows, Palatine, Streamwood, Hanover Park, St Charles, Streamwood, Elk Grove Village, Elgin, Dundee, Wayne, Roselle, West Chicago, Carol Stream, Naperville.

Posted 2026-01-28

Recommended Jobs

Neonatal Respiratory Therapy

Dixon, IL

Type: Neonatal Dixon , IL   SkyBridge Healthcare is seeking a Traveler for a 13 week contract in IL. SkyBridge Healthcare is a premier staffing firm dedicated to matching outstanding talent wi…

View Details
Posted 2026-03-09

Camp Counselor, Summer 2026

Girl Scouts of Central Illinois Inc
Springfield, IL

Job Description Job Description Description: Internship Eligible A Camp Counselor has an awesome summer outdoors, being a mentor to girls, and providing fun all day long! Girl Scouting buil…

View Details
Posted 2026-03-21

Mechanic / Light-Duty Diesel Mechanic

Jim's Towing & Automotive
Elgin, IL

Overview: We are seeking a reliable and skilled Mechanic / Light-Duty Diesel Mechanic to inspect, maintain, and repair a variety of gasoline and light-duty diesel vehicles. This role involves diag…

View Details
Posted 2026-04-24

AI & Generative AI Lead

Tata Consultancy Services
Chicago, IL

Must Have Technical/Functional Skills ~ The AI & Generative AI – Products & Tools role is responsible for conceptualizing, building, scaling, and governing AI/GenAI powered products, platforms, and…

View Details
Posted 2026-04-12

Electrical Engineer

Spaan Tech Inc.
Chicago, IL

SPAAN Tech, Inc. is a leading global, award-winning, engineering and construction management firm and we’re growing. With over 20 years of service, we provide and implement innovative, sustainable sol…

View Details
Posted 2026-01-28

Corporate Field Account Executive - Midwest

SAP
Chicago, IL

We help the world run better At SAP, we keep it simple: you bring your best to us, and we'll bring out the best in you. We're builders touching over 20 industries and 80% of global commerce, and w…

View Details
Posted 2026-04-18

Project Manager - Water Mitigation

J. Blanton Plumbing
Northbrook, IL

J. Blanton Plumbing is expanding its Water Restoration division and is seeking a hands-on Project Manager – Water Mitigation to lead field operations and oversee mitigation projects from initial resp…

View Details
Posted 2026-02-21

Federales Fulton - Door Security (Friday and Saturday Evenings)

Four Corners
Chicago, IL

Company Overview We are a leading, Chicago-based hospitality group that owns and operates a variety of unique venues, each thoughtfully created to offer an exceptional social experience, creativ…

View Details
Posted 2026-04-24