Full-Stack Developer (React/.NET) – Build Critical Systems

Java Holdings Ltd; Calgary; On-site; CAD 80,000 - 110,000; Full time

Benefits offered by this job

Extended Healthcare Plan

RPP - Group RRSP

Group Life - AD&D - Critical Illness

Paid Time Off Benefits

Training & Development

Employee Assistance Program

Job summary

Java Holdings Ltd. seeks a motivated mid-level Developer to join our software team in the Calgary/Edmonton area. You will independently deliver features, support production systems, and configure workflows and integrations within established standards.

With 3–5 years of experience, you will own assigned work, collaborate with stakeholders, and escalate design gaps when needed. You will work with React, C#/.NET, RESTful APIs, and SQL databases to build reliable internal systems.

Qualifications

• 3-5 years of professional software development experience.
• Proficiency in JavaScript and React for front-end development.
• Experience with C# and .NET for back-end development.
• Strong SQL skills and hands-on experience with PostgreSQL and/or Microsoft SQL Server.
• Experience building or supporting RESTful APIs and modern web applications.

Responsibilities

• Develop and deliver assigned front-end components, back-end services, APIs, and application features.
• Write clean, maintainable, secure, and well-documented code in accordance with team standards.
• Create and maintain automated tests to support solution quality and reliable releases.
• Troubleshoot and resolve defects, production issues, and application performance concerns.
• Participate in peer code reviews, sprint planning, refinement, testing, and release activities.
• Work with React, C#/.NET, RESTful APIs, Entity Framework Core, Microsoft SQL Server, and PostgreSQL.
• Configure internal and external systems to meet documented project requirements, including complex business rules and digital quality documentation.
• Configure integrations using approved tools, patterns, and standards, and elevate gaps or new integration needs to senior technical resources.
• Collaborate with stakeholders to understand requirements, identify implementation considerations, and support User Acceptance Testing.
• Maintain technical documentation and provide system training or user guidance when required.
• Communicate risks, blockers, and concerns promptly while adapting to evolving requirements and priorities.

Skills

JavaScript

React

C#

SQL

REST APIs

Tools

PostgreSQL

Microsoft SQL Server

Entity Framework Core

Hangfire

CI/CD pipelines

Job description

Java Holdings Ltd. seeks a motivated mid-level Developer to join our software team in the Calgary/Edmonton area. You will independently deliver features, support production systems, and configure workflows and integrations within established standards.

With 3–5 years of experience, you will own assigned work, collaborate with stakeholders, and escalate design gaps when needed. You will work with React, C#/.NET, RESTful APIs, and SQL databases to build reliable internal systems.