Freelance Full Stack Developer Jobs in Nepean, ON

Enterprise AI is moving from pilots to production, and the constraint is no longer the model — it's the data. Agents are only as good as what they can sense, trust, and act on in the moment, and real-time, event-driven data is becoming the foundation every serious AI system runs on.  

Solace is the leading real-time data platform for the enterprise AI era. Established enterprises worldwide — including RBC Capital Markets, Bosch, Heineken, PSA Singapore, United Airlines, Schwarz Group, and hundreds more — have built their business around Solace to enable intelligent, real-time experiences, modernize their application and integration landscape, and create seamless digital journeys for their customers, partners, and employees. 

So, the next time you drive a car, order furniture online, fly in a plane, check your bank balance on your phone, your positive experience could be a direct result of our technology—and your hard work! 

Overview

This position is for Software Developer. In this role you will be a key contributor working on the Solace Agent Mesh: an event-driven Integration and Orchestration Platform for Agentic AI that securely connects, orchestrates, and scales AI agents in real-time. You will take an important role in blending advanced AI technologies with our core products as well as our internal tooling. Your expertise will help us create smarter, more intuitive systems that redefine user interaction and operational efficiency. You will collaborate closely with various teams, contributing technical solutions and innovative ideas that push the boundaries of what is possible.

Are You Someone Who

• Has a passion for building end-to-end applications spanning both frontend React interfaces and backend API services?
• Has curiosity about AI and Agentic AI with interest in Large Language Models (LLMs), multi-agent systems, and AI orchestration patterns?
• Thrives on solving integration challenges across the full technology stack?
• Has experience with both user interface development and backend service architecture?
• Enjoys participating in technical discussions and learning from experienced team members?
• Is detail-oriented and committed to delivering high-quality software across frontend and backend?
• Is humble, honest and open?

What You'll Do

• Full-stack Development: Build complete features spanning React frontend components and backend API endpoints for the Solace Agent Mesh
• Design and Develop: Create responsive user interfaces and robust backend services that communicate with the Solace Platform
• Full Lifecycle Development: Participate in requirements definition, software design, implementation, testing, bug fixing, and deployments of new products/solutions using agile software development practices
• Collaborate Cross-Functionally: Work closely with teams across the organization, contributing to features that span multiple system components
• Code Quality: Write clean, maintainable code following established patterns and contributing to code reviews
• Quality Assurance & Testing: Develop and maintain automated tests for both frontend components and backend services
• Problem Solving: Debug and resolve issues across the entire application stack
• Technical Documentation: Contribute to documentation for APIs, components, and development processes

What You Bring

• 3-5 years of professional experience in software development with exposure to both frontend and backend technologies
• Experience developing React applications with JavaScript/TypeScript and modern frontend tooling
• Experience building backend services using Python and Java SpringBoot with RESTful API design
• Understanding of database technologies (SQL and/or NoSQL) and data modeling concepts
• Familiarity with testing frameworks and writing automated tests for web applications
• Understanding of web technologies, HTTP protocols, and client-server architecture
• A motivated individual eager to learn new technologies and grow technical skills
• A team player who can collaborate effectively within cross-functional teams
• Ability to communicate technical concepts clearly and concisely to team members
• Experience with cloud platforms and containerization concepts
• Experience with modern development tools and build processes
• Experience using AI technologies and coding-assisted tools such as GitHub Co-pilot, Cline, Claude Code, Aider and Ro

Desirable Skills

• Exposure to AI/ML concepts and interest in building intelligent user interfaces
• Experience with real-time web technologies (WebSockets, Server-Sent Events)
• Understanding of event-driven architecture and messaging systems
• Familiarity with microservices architecture and distributed systems concepts
• Experience with CI/CD pipelines and DevOps practices
• Knowledge of container technologies such as Docker and basic Kubernetes concepts

Why You’ll Love Working at Solace

At Solace, we’re all about smart people, meaningful work, and good vibes.

• Work with brilliance – Our team is packed with some of the sharpest minds in the industry.
• Balance matters – We believe work should fit into your life, not the other way around.
• Hybrid-first – Flexibility is built into how we work, so everyone feels included and empowered.
• Values-driven – We live and breathe our core values: craftsmanship, trust, courage, freedom, momentum, humility, and human experience.
• Growth mindset – Our training programs are designed to help you level up, fast.
• Customer love – We’re proud of our world-class customer lineup (and we’re not shy about it).
• Keep it fun – We’re social, we keep things simple, and we know how to have a good time.
• Creative culture – We’ve got a great sense of humour and we make cool videos on topics like MITT and this (check them out!).

Role Status: EXISTING

Expected Salary Range: Expected salary range for this role is from $95,000k to $140,000k per year. The final offer within this range will reflect the successful candidate’s skills and experience.

At Solace, we are committed to a fair, inclusive, and transparent recruitment process.
To help identify candidates whose qualifications best align with the role, we use artificial intelligence (AI) tools during the initial stage of resume screening. These tools compare submitted resumes to the job description, focusing on education, experience, and skills.

Importantly, all decisions beyond this initial screening—including interviews and final hiring—are made by our human recruitment team. AI is never used to make final hiring decisions.

Let’s Talk

Not sure you meet every requirement? That’s okay — we’re more interested in your potential and passion. If this role excites you, we’d love to hear from you.

Need accommodations during the hiring process? Just let us know — we’re here to support you.

Thanks to everyone who applies! While we wish we could connect with every candidate, only those selected to move forward will be contacted.

At Solace, we believe that diversity and inclusion drive innovation and growth, both in business and in life. We strive to create an enriching and safe workplace where you can be who you are. If you want to do the best work of your career and feel supported every step of the way, we encourage you to join us!

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