react engineer jobs in Ottawa

Sidian is building the company brain for engineering firms. As a Full-Stack Engineer, you will own product development across the stack with a primary focus on backend architecture and agent orchestration. What you will own - Build production Python and TypeScript services, APIs, data models, authentication, queues, and enterprise integrations. -...

Enurgen in Ottawa is expanding its DUET platform and seeks an experienced software engineer to tackle the hardest problems of the month across our Go edge system, ClickHouse-based data platform, and TypeScript/React product.You will build reusable tools, review code, mentor juniors, and shape architectural decisions that affect multiple engineers. The role...

Requisition Number: 106673Software EngineerLocation:You will have the flexibility to work fully remotely within Canada.Insight at a Glance14,000+ engaged teammates globally$8.2 billion in revenue in 2025Certified as a Great Place to work in 9 Countries in 2025Fortune 500 Company (No. 447) in 2025Received 25+ industry and partner awards in the past year$1.4M+...

Waterloo Southeast, Canada | Posted on 09/01/2026 Team: Technology Location:Hybrid, must be within range of our Waterloo Office About the Role Software engineering is changing rapidly. We believe AI will fundamentally change how great teams understand problems, design solutions, build, test, deploy, and operate software. Mach7 Technologies is looking for...

Relay is a digital banking platform that gives self-made business owners the tools and know-how to be great with money—bringing clarity, confidence, and control to every dollar earned, so they can turn hard work into lasting success. We do this by replacing financial guesswork with real visibility, transforming cash flow from a constant source of stress...

Transform the digital landscape as a Full Stack Engineer at Miratech. This remote position focuses on building scalable cloud applications using Java, Spring Boot, and React. Miratech is seeking a Full Stack Engineer to develop and support applications for Workforce Management and Customer Experience. Ideal candidates will have robust experience in backend...

Elastic is seeking a Senior Software Engineer for the Streams UI team to shape and enhance our user interface. You will work on Fleet and Streams, delivering intuitive UI components with TypeScript, React, and Node.js, while collaborating across a distributed team on GitHub and Slack.You’ll lead architecture discussions, drive code quality, and help...

Senior Fullstack Engineer, Customer Context Remote Postscript is the AI messaging platform trusted by 20,000+ Shopify brands — including Brooklinen, Ruggable, True Classic, and Dr. Squatch. With a mission to make SMS your number one revenue driving channel, we built the best-in-class SMS marketing platform and launched revenue-driving AI features not...

Shipfusion is seeking a Software Engineering Team Lead to guide our Development Support across PHP, MySQL, and React platform. Reporting to the Sr.Manager, Software Engineering, you will lead the team responsible for investigating production issues, supporting customer‑impacting incidents, reducing technical debt, and improving the overall health of our...

At Fellow.ai, we're on a mission to give every employee their own AI-powered Chief of Staff. It's an assistant that understands your meeting discussions, surfaces key insights, answers questions, and takes action so you can focus on what matters most. We're hiring a small group of exceptional new grads to join our Engineering team full-time. This isn't a...

Honeycomb is seeking a backend-focused engineer who can design and deliver robust APIs in Go while contributing to full-stack features with React/TypeScript. You'll own production systems, mentor teammates, and participate in on-call rotations to ensure reliable observability and performance.You will collaborate across product design and engineering, shaping...

At affirm, we exist for the moments that matter-giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.Trust & Safety Experience owns the customer journeys during authentication, verification, and fraud journeys. You will work as a Frontend engineer, contributing to web, and mobile...

The Company You’ll Join Carta is the connected platform and AI-native ecosystem for private capital. Built to replace fragmented tools with a single system of record, Carta brings together the software, services, and legal infrastructure that founders use to manage equity, fund managers use to run administration and reporting, and legal teams use to close...

Software Developer/Cloud Engineer, Telemetry and Observability Platform - Hybrid work (4 days on-site/1 day remote work) in Ottawa - 1-year contract (with extension possibility) Our client is looking for a Software Developer to support the design, development, testing, and deployment of their Telemetry and Observability Platform, an enterprise platform...

At Fellow.ai, we're on a mission to give every employee their own AI-powered Chief of Staff. It's an assistant that understands your meeting discussions, surfaces key insights, answers questions, and takes action so you can focus on what matters most.We're hiring a small group of exceptional new grads to join our Engineering team full-time. This isn't a...

A dynamic remote service company is looking for a Senior Full Stack Engineer to design and maintain scalable platform solutions. Collaborate with product managers and DevOps teams to drive innovation and deliver excellent user experiences. Ideal for proactive engineers with strong skills in JavaScript, React, and cloud platforms. Offers a competitive salary,...

Arondite is a defence technology company building the foundational software and AI to power the autonomous age. Our aim is to revolutionise the way organisations collaborate with robots, sensors and autonomous systems and use the data they generate. We are driven by our determination to help defend our collective democratic values and by our strong belief...

Elevate workforce management solutions as a Senior Full Stack Engineer with Miratech, supporting enterprise-scale applications in a remote work environment. Utilize Java, Spring Boot, and TypeScript to drive digital transformation. Miratech seeks a Senior Full Stack Engineer to enhance the Workforce Management product stream. This senior role requires...

# Senior Software EngineerWME (William Morris Endeavor)CanadaFull timeRemoteUSD 150,000 – 200,000Apply by Dec 6, 2026## About the roleSenior Software Engineer WME is building the next generation of internal platforms that power one of the world's leading entertainment companies. We're looking for a Senior Software Engineer who enjoys solving hard problems,...

Imagine yourself… Doing meaningful work that makes an everyday impact on the world around you. Growing your expertise and expanding your skillset with every project. It’s possible with a role atAquatic Informatics( https://aquaticinformatics.com/ ) . Aquatic Informatics (AQI), a Veralto company, is a mission-driven software company that organizes the...