1,869,328+ Senior Full Stack Developer Java React Jobs in Canada — Top Companies Hiring June 2026

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Senior Frontend Engineer – React/TypeScript with AI Tools

A leading SaaS company in Toronto is looking for a Senior Front End Developer to join their team. This role requires expertise in React.js and TypeScript, with a focus on building scalable user experiences and collaborating in a startup environment. The position offers a compensation range of $131,000 to $156,00 ...

Senior React Native Mobile Engineer — Flexible Hours & Growth

A telecommunications company in Montreal is seeking a Mobile Engineer to build cross-platform applications using React Native. You will modernize existing features, maintain testing standards, and collaborate closely with design and product teams. Ideal candidates have a minimum of 5 years in mobile development, ...

Remote Senior Software Engineer, Product (React/Go & LLMs)

A leading tech company is hiring a Senior Software Engineer to join their product team. This primarily remote role involves designing and building impactful LLM applications using React and Go. Candidates should have 5+ years of software engineering experience, with a strong background in building production-rea ...

Senior Frontend Engineer React/Next.js for AI UI

A leading SaaS company in Calgary is looking for a Frontend Developer to design and build cloud-native solutions for the energy industry. The role requires 5+ years in software development with strong skills in JavaScript, TypeScript, React, and NextJS. You'll collaborate closely with cross-functional teams, enh ...

Senior Frontend Engineer — React/Next.js for Cloud UI

A leading SaaS company in Metro Vancouver is seeking a Frontend Developer to design and build scalable, cloud-native solutions in the oil and gas industry. The role involves developing front-end components, collaborating with cross-functional teams, and optimizing code for performance and reliability. Candidates ...

Senior React Native Mobile Engineer — Flexible Hours & Growth

A telecommunications company in Montreal is seeking a Mobile Engineer to build cross-platform applications using React Native. You will modernize existing features, maintain testing standards, and collaborate closely with design and product teams. Ideal candidates have a minimum of 5 years in mobile development, ...

Senior Frontend Architect (React) Hybrid, Data Driven UIs

A national IT consulting firm is seeking a Senior Frontend Developer to join their development team in Toronto. This role focuses on building immersive web applications using React, collaborating closely with teams in a hybrid work environment. Ideal candidates have 3+ years of experience and strong skills in fr ...

Senior Frontend Engineer — React/Next.js for Cloud UI

A leading SaaS company in Metro Vancouver is seeking a Frontend Developer to design and build scalable, cloud-native solutions in the oil and gas industry. The role involves developing front-end components, collaborating with cross-functional teams, and optimizing code for performance and reliability. Candidates ...

Remote Senior Software Engineer, Product (React/Go & LLMs)

A leading tech company is hiring a Senior Software Engineer to join their product team. This primarily remote role involves designing and building impactful LLM applications using React and Go. Candidates should have 5+ years of software engineering experience, with a strong background in building production-rea ...

Senior Frontend Engineer React/Next.js for AI UI

A leading SaaS company in Calgary is looking for a Frontend Developer to design and build cloud-native solutions for the energy industry. The role requires 5+ years in software development with strong skills in JavaScript, TypeScript, React, and NextJS. You'll collaborate closely with cross-functional teams, enh ...

Senior Mobile Hybrid Engineer – iOS/Android & React Native

A leading technology company based in Toronto, Ontario, is seeking an experienced professional for Hybrid Apps development across various operating systems, including iOS and Android. The ideal candidate has a Bachelor's degree in Computer Science, a minimum of 6 years of relevant experience, and excellent commu ...

Senior React Front End Engineer Data Analytics UI

A consulting organization in Toronto is seeking a skilled React.js developer to build a custom data analytics frontend for data extraction and analysis from SQL databases. The ideal candidate will have over 5 years of front-end development experience with a strong emphasis on React proficiency. You will be respo ...

Senior Frontend Engineer – React/TypeScript with AI Tools

A leading SaaS company in Toronto is looking for a Senior Front End Developer to join their team. This role requires expertise in React.js and TypeScript, with a focus on building scalable user experiences and collaborating in a startup environment. The position offers a compensation range of $131,000 to $156,00 ...

Senior React Native Mobile Engineer — Flexible Hours & Growth

A telecommunications company in Montreal is seeking a Mobile Engineer to build cross-platform applications using React Native. You will modernize existing features, maintain testing standards, and collaborate closely with design and product teams. Ideal candidates have a minimum of 5 years in mobile development, ...

Senior .NET & React Lead — Cloud Apps, Azure & SQL

A global engineering firm in Ontario is seeking a Lead Software Programmer/Developer to create cloud-based applications and manage SQL Server databases. The candidate should have over 10 years of software development experience, excellent communication skills, and proficiency in ASP.NET Core MVC and React. This ...

Senior Frontend Architect (React) Hybrid, Data Driven UIs

A national IT consulting firm is seeking a Senior Frontend Developer to join their development team in Toronto. This role focuses on building immersive web applications using React, collaborating closely with teams in a hybrid work environment. Ideal candidates have 3+ years of experience and strong skills in fr ...

Senior Fullstack Lead: AWS Serverless & React Native Expert

A technology consulting firm based in Canada is seeking a seasoned developer to lead the architecture and implementation of scalable features for a serverless subscription management platform. The ideal candidate has over 6 years of experience in Node.js and TypeScript, with expertise in AWS serverless technolog ...

Senior Frontend Engineer – React/TypeScript with AI Tools

A leading SaaS company in Toronto is looking for a Senior Front End Developer to join their team. This role requires expertise in React.js and TypeScript, with a focus on building scalable user experiences and collaborating in a startup environment. The position offers a compensation range of $131,000 to $156,00 ...

Senior Frontend Engineer – React/TypeScript with AI Tools

A leading SaaS company in Toronto is looking for a Senior Front End Developer to join their team. This role requires expertise in React.js and TypeScript, with a focus on building scalable user experiences and collaborating in a startup environment. The position offers a compensation range of $131,000 to $156,00 ...

Senior Front End Software Engineer (React / TypeScript) (Markham)

About the RoleWe’re hiring a Senior Front-End Software Engineer to join a high-growth team building a next-generation financial technology platform. This role focuses on creating scalable, reusable UI components and delivering seamless user experiences across web and mobile applications. You’ll work on ...

Remote Senior Software Engineer, Product (React/Go & LLMs)

A leading tech company is hiring a Senior Software Engineer to join their product team. This primarily remote role involves designing and building impactful LLM applications using React and Go. Candidates should have 5+ years of software engineering experience, with a strong background in building production-rea ...

Senior Frontend Architect (React) Hybrid, Data Driven UIs

A national IT consulting firm is seeking a Senior Frontend Developer to join their development team in Toronto. This role focuses on building immersive web applications using React, collaborating closely with teams in a hybrid work environment. Ideal candidates have 3+ years of experience and strong skills in fr ...

Senior React Native Mobile Engineer — Flexible Hours & Growth

A telecommunications company in Montreal is seeking a Mobile Engineer to build cross-platform applications using React Native. You will modernize existing features, maintain testing standards, and collaborate closely with design and product teams. Ideal candidates have a minimum of 5 years in mobile development, ...

Senior Software Development Engineer (m/f) (H/F)

Join Amplitude as a Senior Software Engineer to tackle complex infrastructure challenges in AI analytics. Focus on high-throughput systems while mentoring fellow engineers and enhancing product performance. As a senior member of the team, you’ll design reliable backend services using Java and Python within a rob ...

Software Engineer Mobile App (Expo/React Native) (Winnipeg)

Our client is a startup company with a clear product vision and a growing need for engineering talent. They are looking for a motivated and capable Software Engineer to help build and ship a cross‑platform mobile application targeting iOS and Android. What You’ll Do Your initial focus will ...

Sr Software Engineer Basis Platform / DSP

WHO WE AREAt Basis, we empower agencies and brands with cutting‑edge software that automates digital media operations. Our all‑in‑one platform supports seamless planning, reporting, and financial reconciliation across direct, programmatic, search, and social media. We’re not just building advanced tech ...

Lead Software Engineer

Founder & CTO @ CareCru, Previously Varafy (acq. by Chegg) CareCru is seeking a Senior Software Engineer (Tech Lead) to join an ambitious, talented, and growing engineering team. You should be entrepreneurially minded and have a passion for developing software platforms that scale. We expect this engineer to pla ...

Integration Developer

Integration Developer – Hybrid Contract Insight Global is seeking an Integration Developer to join a large insurance client on a hybrid contract starting February 2nd (with flexibility to start earlier). This role is critical to ongoing proof‑of‑concept (PoC) initiatives, where the develo ...

Integration Developer

Integration Developer – Hybrid Contract Insight Global is seeking anIntegration Developerto join a large insurance client on a hybrid contract starting February 2nd (with flexibility to start earlier). This role is critical to ongoing proof‑of‑concept (PoC) initiatives, where the developer wi ...

Senior UI Engineer

Overview Boosted.ai is building AI purpose-built for finance to help teams do more. Our mission is to optimize investing and boost productivity. We’re already trusted by leading enterprises and developers with over $5T under management with Boosted.ai. From the fastest growing hedge funds to globa ...

Sr. Fullstack Developer

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intell ...

Senior Application Developer Oracle EBS

Enhance your career as a Senior Application Developer at Stantec in Edmonton, specializing in Oracle EBS and Oracle Cloud technologies. Utilize your knowledge in Java, PL/SQL, and software lifecycle methodologies.This exciting full-time position involves developing solutions to optimize the functionality of ...

Senior Software Developer for Cybersecurity

Join our Cyber Data Risk & Resilience team as a Senior Software Developer focused on cybersecurity solutions. Leverage your expertise in Java or Python to design and develop secure technologies.This full-time contract position targets professionals with 15+ years of software development experience. You will ...

Senior Software Developer at Relion

Drive innovation in EV charging technology as a Senior Software Developer at Relion in Kanata, ON. Contribute your expertise in Java and cloud-native platforms within a hybrid work environment.This full-time position requires 8+ years of software development experience. You will collaborate closely with engi ...

Principal Software Developer, Water Asset Management

**Job Requisition ID #** 26WD96180 _English posting follows_ **26WD96180 Principal Software Developer, Water Asset Management** **Position Overview** You will join a team of excellence that owns the end-to-end design, delivery, and reliability of a full stack product ...

Principal Software Developer, Water Asset Management

**Job Requisition ID #** 26WD96180 _English posting follows_ **26WD96180 Principal Software Developer, Water Asset Management** **Position Overview** You will join a team of excellence that owns the end-to-end design, delivery, and reliability of a full stack product ...

Senior Payments Software Developer at Lightspeed

Elevate technology in payments with Lightspeed as a Senior Payments Software Developer. This role focuses on architecting resilient systems for global transaction processing in Canada and the US.As a senior engineer, you will ensure mission-critical systems operate flawlessly while defining modern standards ...

Senior Payments Software Developer at Lightspeed

Elevate technology in payments with Lightspeed as a Senior Payments Software Developer. This role focuses on architecting resilient systems for global transaction processing in Canada and the US.As a senior engineer, you will ensure mission-critical systems operate flawlessly while defining modern standards ...

Senior Payments Software Developer at Lightspeed

Elevate technology in payments with Lightspeed as a Senior Payments Software Developer. This role focuses on architecting resilient systems for global transaction processing in Canada and the US.As a senior engineer, you will ensure mission-critical systems operate flawlessly while defining modern stan ...

Frontend Developer

Frontend Developer Base pay range: $100,000.00/yr - $160,000.00/yr Jotform is a San Francisco-based SaaS company with more than 35 million users worldwide. We are thriving and growing, and we’ve never needed outside funding. That’s because we like keeping things agile, independent, and fu ...

Backend Engineer User Platform

User Platform (UP) is a studio in the SAFE Alliance as part of Spotify's Platform Mission. The studio owns capabilities and infrastructure for Customer Identity and Access Management at Spotify. The studio was established with a central mission: to connect users with Spotify and Spotify with its us ...

Technical Lead

You will be working on a flexible hybrid schedule as part of Fidelity’s dynamic working arrangement. The work location for this role is 483 Bay Street in Toronto until approximately late 2026, when the work location will change to the new Mississauga office at 3 Robert Speck Parkway. How You’ll Ma ...

Backend Engineer User Platform

User Platform (UP) is a studio in the SAFE Alliance as part of Spotify's Platform Mission. The studio owns capabilities and infrastructure for Customer Identity and Access Management at Spotify. The studio was established with a central mission: to connect users with Spotify and Spotify with its us ...

Technical Lead

You will be working on a flexible hybrid schedule as part of Fidelity’s dynamic working arrangement. The work location for this role is 483 Bay Street in Toronto until approximately late 2026, when the work location will change to the new Mississauga office at 3 Robert Speck Parkway. How You’ll Ma ...

Principal Software Developer

Come join Intuit as a Principal Software Developer and help us power prosperity around the world. We are looking for engineers that love to take on new challenges, solve tough problems, and have deep empathy for our customers. You’ll work with a small group of passionate engineers, product managers and designers ...

Technical Lead

You will be working on a flexible hybrid schedule as part of Fidelity’s dynamic working arrangement. The work location for this role is 483 Bay Street in Toronto until approximately late 2026, when the work location will change to the new Mississauga office at 3 Robert Speck Parkway.How You’ll Make An ...

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