Full Stack Developer Java React Jobs in Mississauga, Canada

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2612 Lead AI & Full Stack Engineer

Our client is a well-established manufacturing and engineering company based in Mississauga, and they are looking for a Lead AI & Full Stack Engineer. This individual will lead the transformation of engineering and operational workflows through automation, the implementation of centralized data systems, and t ...

Vice President Full Stack Data Engineer

Elevate your career as a Lead Full Stack Data Engineer at Citi in Canada, focusing on end-to-end data solutions with cutting-edge AI technologies. Embrace a hands-on role that encourages mentoring and leadership.Citi seeks a dynamic Lead Full Stack Data Engineer to join its high-performing teams in Can ...

Full Stack Software Architect at McKesson

Shape the future of healthcare as a Full Stack Software Architect at McKesson. Focus on modernizing our ecommerce Customer Center to enhance patient and provider experiences.In this hands-on leadership role, you will guide modernization efforts for our Customer Center. Collaborate with engineering team ...

Senior Full Stack Engineer at Citi

Shape the future of UI development at Citi as a Senior Web Full Stack Engineer. This hands-on role focuses on building scalable, resilient applications leveraging cutting-edge technologies.As a pivotal member of Citi's CTO team, you will spearhead the UI Platform transformation. Your expertise in TypeS ...

Vice President Full Stack Data Engineer

Elevate your career as a Lead Full Stack Data Engineer at Citi in Canada, focusing on end-to-end data solutions with cutting-edge AI technologies. Embrace a hands-on role that encourages mentoring and leadership. Citi seeks a dynamic Lead Full Stack Data Engineer to join its high-performing teams in ...

Lead Full Stack Data Engineer Canada

Join a visionary team in Canada as a Lead Full Stack Data Engineer. In this senior role, you'll drive data solutions, mentor talent, and leverage AI to maximize productivity. We are seeking a highly skilled Lead Full Stack Data Engineer to assemble and lead our autonomous teams. This hands-on role r ...

Full Stack Data Engineer in Canada

Elevate your career as a Full Stack Data Engineer with expertise in Python and PySpark at a leading organization in Canada. Embrace AI tools and make a significant impact on data solutions. Join a high-performing team specializing in developing and optimizing data pipelines. As a Full Stack Data Eng ...

Full Stack Software Architect at McKesson

Shape the future of healthcare as a Full Stack Software Architect at McKesson. Focus on modernizing our ecommerce Customer Center to enhance patient and provider experiences. In this hands-on leadership role, you will guide modernization efforts for our Customer Center. Collaborate with engineering ...

Senior Security Engineer, Full‑Stack & Cloud

A tech company specializing in voice-driven systems is seeking a Security Engineer to ensure security across applications, services, and infrastructure. You will proactively identify risks, lead secure code reviews, and collaborate with engineers to design secure systems. Ideal candidates have over 6 years of so ...

Staff Full Stack Engineer Creatives Library

Overview Staff Full Stack Engineer - Creatives Library at StackAdapt. Join to apply for the Staff Full Stack Engineer - Creatives Library role at StackAdapt . This position is open to remote candidates in North America. About The Company Stack ...

Full Stack Engineer with Backend Expertise

Grow your career by taking ownership as a Full-Stack Engineer with a backend emphasis. Make meaningful contributions to automation and data-centric platforms in a remote working environment. You will engage in a dynamic role split between backend (70%) and frontend (30%) development. The focus will ...

Senior Front End Engineer — Remote, AI Driven Growth

A leading loyalty platform company based in Canada is seeking a Senior Full Stack Engineer. This remote, full-time role involves both front-end and back-end development across a modern tech stack, including Ruby on Rails and React. You will design and maintain shopper-facing applications and merchant tools, ensu ...

Applications Development Technology Lead Analyst Vice President

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activ ...

Applications Development Technology Lead Analyst Vice President

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming ac ...

Founding Engineer, AI

Overview Location: REMOTE / Toronto, Ontario. This job allows you to work remotely. PathPilot is on a mission to help millions of people unlock their potential by navigating and optimizing their careers through the power of AI. We’ve secured 7-figures in non-dilutive funding and established ...

Software Engineer

About us WallStreetBets is the largest finance community in the world. With over 20 million users, we’re the movement that helped redefine retail investing and put power back into the hands of everyday traders. From our humble beginnings on Reddit to becoming a global hous ...

Software Engineer for Financial Services

Elevate your software engineering career as an Assistant Vice President in the financial services sector. This role involves programming in React, Java, or Python, with a focus on building RESTful APIs. This position at a leading investment bank requires a Bachelor’s degree in computer science or a ...

Senior Angular Developer Vice President

About The Role We are seeking a highly skilled and experienced Senior Expert Angular Developer to join our Spead Products Financing and Securitization team. The ideal candidate will be a passionate and innovativeindividualwith a deep understanding of the Angular framework and its ecosystem. Y ...

Senior Angular Developer Vice President

About The Role We are seeking a highly skilled and experienced Senior Expert Angular Developer to join our Spead Products Financing and Securitization team. The ideal candidate will be a passionate and innovative individual with a deep understanding of the Angular framework and its ec ...

Ruby on Rails Developer (6 MONTHS CONTRACT)

Ruby on Rails Developer (6 MONTHS CONTRACT) CURRENTLY LOOKING FOR 3 RoR DEVELOPERS - THE ROLE IS 100% REMOTE. THE CONTRACT IS FOR 6 MONTHS WITH A POSSIBILITY OF EXTENSION. As a Ruby on Rails Developer , you’ll play a key role in developing and delivering robust SaaS products ...

Lead Java Engineer at Citi

Elevate your career as a Lead Java Engineer at Citi, focusing on cloud-native cash management solutions. Drive development using Java and React while managing multiple teams in an Agile framework.In this senior management role, you will oversee strategic design, mentoring, and development execution for ...

Full Stack Software Engineer Marketing Toronto, Remote $90K 200K

We’re looking for an engineer who’s excited about building systems that live at the edge of automation, AI, and web security. You’ll thrive here if you’re eager to learn, unafraid to dig deep into how platforms work, and ready to own large parts of our stack. This is a remote role, with a preference fo ...

Senior Fullstack Engineer Observability Real User Monitoring (RUM) | Canada | Remote

Grafana Labs is a remote-first, open-source powerhouse. There are more than 20M users of Grafana, the open source visualization tool, around the globe, monitoring everything from beehives to climate change in the Alps. The instantly recognizable dashboards have been spotted everywhere from a NASA launch an ...

Full Stack Data Engineer Assistant Vice President

We are assembling anA-teamof highly skilled, autonomous, and AI-first engineers, and we are seeking an exceptional Full Stack Data Engineer to join our high-performing, co-located squads in Canada. This role is for a hands‑on engineer who is passionate about leveraging data, proficient in bui ...

Lead Full Stack Data Engineer Vice President

We are assembling an A-team of highly skilled, autonomous, and visionary engineers, and we are seeking an exceptional Lead Full Stack Data Engineer to join our high-performing, co-located squads in Canada. This senior role is for a hands‑on player/coach who not only masters the full spectrum of dat ...

Senior Angular Developer Vice President

**About the Role** **We are seeking a highly skilled and experienced Senior Expert Angular Developer to join our Spead Products** **Financing and Securitization** **team. The ideal candidate will be a passionate and innovative individual with a deep understanding of the Angular framework and its eco ...

Senior .NET Full Stack Engineer — FinTech, Remote

A dynamic FinTech startup is looking for two Full Stack Senior Software Engineers to join their teams. You will develop secure and scalable software solutions for their digital banking platform. The ideal candidate has experience in enterprise-level software development, particularly with C# and .NET Core, and f ...

Full Stack Data Quality Engineer Remote Canada

A leading tech talent provider is seeking a Full Stack Engineer - Data Quality to join a client focused on AI-driven competitive intelligence. The role involves ensuring data accuracy and collaborating with data engineers. Candidates should have extensive experience in SQL and TypeScript, with a detail-oriented ...

Full Stack Engineer — Ship Impactful Features Fast

An innovative company is seeking a talented developer to enhance software team communication and deliver impactful features. In this role, you'll rapidly develop and implement features, balancing speed with maintainability to ensure high-quality code. You'll work closely with a passionate team of experts, using ...

QA Engineer Full Stack, Test Automation & API

A growing tech company in Canada is seeking a Software Engineer (Quality Assurance) to join their team. You will be responsible for testing code to ensure quality standards are met and that bug-free software is deployed. The ideal candidate has a minimum of 2 years of experience in full stack engineering, with e ...

Senior Full Stack Engineer, Trust & Safety (Remote)

A leading financial technology company is looking for a full stack engineer in Hamilton, Ontario. The role involves owning team goals, collaborating on product development, and enhancing backend systems. Ideal candidates have 4+ years in software engineering, experience with technologies like Python and Kotlin, ...

Senior Full Stack Engineer Impactful Backend & Mentorship

A leading cloud solutions provider in Toronto is seeking experienced software engineers skilled in Java and JavaScript to join their innovative team. The role involves developing scalable applications and driving feature innovation in a collaborative environment. Candidates must have over 5 years in software dev ...

Full Stack Software Engineer with PHP Expertise

Empower projects as a Full-Stack Software Engineer focusing on PHP 8 and React.js. Enhance API performance and collaborate across functions in a fully remote environment, prioritizing hands-on development. This role entails a strong emphasis on server-side application development, particularly with ...

Lead Full Stack Data Engineer — ETL & Insights

A dynamic growth strategy consultancy in Metro Vancouver is seeking a Data Engineer to improve and maintain ETL processes. The ideal candidate is a leader comfortable with ambiguity and able to work independently. This role involves data extraction from multiple sources and collaboration with the leadership team ...

Senior Full Stack Engineer, Trust & Safety – Remote

A financial tech company in Canada is seeking a Full Stack Engineer. The role involves backend and web development, fostering team quality, and driving project goals. Ideal candidates are experienced engineers skilled in Python, Kotlin, AWS, and web frameworks like React or Vue. This position is remote-first wit ...

AI Engineer Application Development remote (any state)

Remote## AI Engineer - Application DevelopmentRemote (Any State)Job Title: AI Engineer - Application DevelopmentJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * ***T****he Opportuni ...

Full Stack Engineer: AI Driven Delivery Platform (Remote)

A leading delivery solutions company in Canada is seeking a Full Stack Engineer to join their team. You will have the opportunity to work on backend and frontend technologies, including Node.js and React, while contributing to innovative delivery solutions. This mid-senior level position offers a competitive sal ...

Agentic AI Systems Engineer Remote Role

NTT DATA seeks an Agentic AI Systems Developer, working remotely to innovate in healthcare AI solutions. Use your expertise in full-stack engineering to design groundbreaking systems for clinical applications. As an experienced developer with 8-12+ years in AI and software engineering, you will coll ...

Senior Full Stack Engineer — Lead Scalable Web Apps (Remote)

A global education company is seeking a Sr Software Engineer in Canada for a remote role focused on full stack development. You will design and evolve platform features using modern technologies like JavaScript, React, and Node.js. The ideal candidate has over 6 years of experience and excels in scalable system ...

Equities Cash Order Management Senior Java Developer Vice President

The Equities Cash Order Management System team is responsible for a global platform used by Citi traders and sales traders. This system is critical for trading in equities, derivatives, convertible bonds, and provides access to algorithmic trading. It also encompasses post-trade functionality, including allocati ...

Equities Cash Order Management Senior Java Developer Vice President

The Equities Cash Order Management System team is responsible for a global platform used by Citi traders and sales traders. This system is critical for trading in equities, derivatives, convertible bonds, and provides access to algorithmic trading. It also encompasses post-trade functionality, including alloc ...

Senior Front End Developer

HumanFirst is a leader in providing data-centric tools for natural language, used by many of the largest companies across the world. Using cutting-edge technology, HumanFirst helps teams in their AI transformation journeys by empowering them in the curation, management, and continuous improvement of AI ins ...

Senior Backend Developer with Java Expertise and Remote Flexibility

Elevate your career as a Senior Backend Developer! This completely remote position requires your Java expertise and cloud skills to create powerful software solutions. As a seasoned professional, you'll guide your project team through the software development lifecycle while ensuring code quality an ...

Transform User Experience as a Full Stack Engineer

Become a pivotal part of a small, innovative team by enhancing Sophie's user experience. Focus on frontend development while integrating backend functionalities to elevate wealth management advisory services. As a Full-Stack Engineer concentrated on frontend tasks, you’ll take charge of designing th ...

Remote Full Stack Dev: Next.js, Craft CMS & API Expert

A tech company in Canada is seeking an experienced Full-Stack Developer to lead the development of high-performance user interfaces and maintain complex web applications. Candidates should possess over 5 years of full-stack experience, deep expertise in PHP, and proficiency in frameworks like Next.js. The target ...

Senior Lead Frontend UI Developer

Senior Lead Frontend UI Developer The Senior Lead Frontend UI Developer position is responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications system analysis and programming ac ...

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    Full Stack Developer Java React Jobs in Mississauga Job Search Guide, Trends and Insights