Web Application Engineer

Triwill Group; United States; Hybrid; USD 52,000 - 66,000; Full time

Benefits offered by this job

Hybrid work environment

401(k) with employer match

Paid holidays

Generous PTO

Job summary

Evosus is seeking an experienced Web Application Engineer to design and enhance enterprise applications for a SaaS platform. You will work with Mendix, React, TypeScript, Java, and PostgreSQL to deliver scalable features and modernize existing solutions.

You’ll mentor the team, influence technical decisions, and collaborate with Product, QA, and Engineering to meet client needs. This role supports hybrid work from the United States.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field or equivalent practical experience.
• 5+ years of professional experience with JavaScript/TypeScript and modern web application development.
• Strong hands-on experience with React and Mendix or similar low-code platform.
• Experience with Java in a professional software environment and PostgreSQL.

Responsibilities

• Design, develop, and maintain enterprise web applications using Mendix, React, TypeScript, Java, and PostgreSQL.
• Build reusable React components and pluggable widgets within Mendix applications.
• Translate requirements into scalable, maintainable, and performant solutions.
• Develop and troubleshoot REST APIs and third‑party integrations.
• Mentor teammates, contribute to technical decisions, and participate in CI/CD processes.
• Collaborate with Product, QA, and Engineering to refine requirements and deliver high‑quality features.

Skills

React

TypeScript

Java

Mendix

PostgreSQL

REST APIs

CI/CD

Git

HTML/CSS

Education

Bachelor's degree in Computer Science or related field

Tools

Mendix

Git

CI/CD pipelines

Job description

Description: Are you an experienced Web Application Engineer who enjoys building modern, scalable software? Step into a role where hands-on development, problem-solving, and technical leadership come together to support an evolving SaaS platform. As a Web Application Engineer, you’ll design and enhance enterprise applications using technologies such as Mendix, React, JavaScript/TypeScript, Java, and PostgreSQL while helping modernize existing solutions. You’ll contribute to technical decisions and partner closely with Product, QA, and Engineering to deliver reliable, high-quality features that meet our clients’ business needs.

Here’s a snapshot of what we want you to do:

This development position involves working on an extensive SaaS web application, implementing new features and updating existing ones, while understanding our clients’ business needs and processes to help build first‑class business management software in the cloud. This position serves as a mentor and technical lead on our development team, working collaboratively to bring innovative ideas to the table and proactively solve problems as they arise.

Here’s the stuff we expect you to be doing day to day:

• Design, develop, and maintain enterprise web applications using Mendix, React, JavaScript/TypeScript, and PostgreSQL
• Build reusable React‑based pluggable widgets and components within Mendix applications
• Develop and maintain Mendix applications, including microflows, integrations, domain models, and custom components
• Translate product requirements and wireframes into scalable, maintainable, and performant solutions
• Apply modern JavaScript and React development practices to extend and enhance Mendix applications
• Contribute to the continued modernization of applications using React, JavaScript/TypeScript, Java, and PostgreSQL
• Troubleshoot, debug, optimize, and enhance existing applications, APIs, and integrations
• Design, consume, and maintain REST APIs and third‑party integrations
• Perform code reviews and provide constructive technical expertise to engineering team members
• Contribute to CI/CD processes, code merges, dependency management, and release activities
• Create and maintain technical documentation and development standards
• Collaborate with Product, QA, and Engineering to refine requirements and deliver high‑quality features
• Identify opportunities to improve application maintainability, performance, usability, and developer experience

These skills are must‑haves for you to be successful:

• Team Player
• Creativity
• Change Agility
• Visioning
• Learning Agility
• Communication Skills
• Functional/Technical Expertise
• Results Orientation

Plus these Required Qualifications:

• Education – Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent practical experience
• Experience – 5+ years of professional experience with JavaScript/TypeScript and modern web application development
• Experience – Strong hands‑on experience developing applications with React
• Experience – Professional experience developing with Mendix or another low‑code/no‑code platform
• Experience – Experience working with Java in a professional software development environment
• Experience – Experience working with relational databases, preferably PostgreSQL
• Experience – Experience designing, consuming, and troubleshooting REST APIs and integrations
• Experience – Experience mentoring developers and contributing to technical decisions
• Technical Skills – Strong proficiency with JavaScript/TypeScript and React
• Technical Skills – Working knowledge of Java and object‑oriented programming
• Technical Skills – Experience with Mendix or comparable low‑code development platforms
• Technical Skills – Experience building reusable React components and working within component‑based application architectures
• Technical Skills – Strong understanding of HTML, CSS, and modern web development practices
• Technical Skills – Strong understanding of relational databases, SQL, and data modeling
• Technical Skills – Familiarity with Git, CI/CD pipelines, dependency management, and modern development workflows
• Technical Skills – Knowledge of software engineering best practices, including testing, code reviews, and maintainable application design
• Technical Skills – Strong troubleshooting and problem‑solving skills

Preferred Qualifications:

• Mendix Advanced Developer Certification or similar low‑code platform certification
• Experience leading modernization efforts from low‑code implementations toward React‑based extensibility patterns
• Experience optimizing front‑end application performance and scalability in enterprise environments
• Familiarity with automated testing frameworks and quality engineering practices
• Experience with specialty retail or field service businesses

Position Type/Expected Hours of Work:
This is a full‑time position working Monday through Friday during regular business hours. Our corporate headquarters are located in Vancouver, Washington, and this position may be worked remotely or from the office based on manager preference and business needs.
Because we work with team members in different locations, strong communication, collaboration, and availability during regular business hours are important. This position may also be required to work occasional weekend on‑call shifts for client system‑down emergencies.

Your rewards!

• Full‑Time
• $38.47-$48.08 per hour. The hired applicant will be offered pay within the compensation range based on their qualifications and professional experience, as well as the needs of our business.
• Coffee & Snacks when at the office
• 120 hours PTO annually, accrued each pay period
• 10 Paid Holidays
• 100% Employer Paid Medical, Dental and Vision benefits for Employee
• Flex Spending Account
• 401K with 100% employer match up to 4% of gross salary. Federal limits apply.
• Hybrid Work Environment
• Potlucks!
• Wellness Reimbursement
• Words of Affimation
• Awesome Co‑workers

Evosus is an Equal Opportunity Employer

Evosus participates in the U.S. Department of Homeland Security E‑Verify program in all facilities located in the United States and certain U.S. territories. The E‑Verify program is an Internet‑based employment eligibility verification system operated by the U.S. Citizenship and Immigration Services.