Senior Full-Stack Engineer (Python & React)

Join CoverGo as a Senior Full Stack Engineer, where you'll leverage your expertise in .NET and Vue/React to build innovative solutions that drive our mission forward. In this fully remote role, you will collaborate with cross-functional teams to develop high-quality software applications that meet the needs of our clients.If you're passionate about technology and looking for an opportunity to grow your skills in a fast-paced environment, we want to hear from you!

Location: Montreal, Canada (Hybrid) Job Type: 12-month contract Experience Level: 7+ years Work Focus: 70% Frontend (React/TypeScript), 30% Backend (.NET Core) Role Overview dyneits is looking for a Senior Full Stack Developer to help advance Capital Markets applications, including IRIS and CurveBuilder. The position centers on frontend work with React and TypeScript, while also involving backend contributions in C# .NET Core. This hybrid role is based in Montreal and involves close collaboration with trading and IT teams worldwide. Main Responsibilities Frontend Development (Primary) Design and build user interfaces using TypeScript and React. Improve and maintain application interfaces for a strong user experience. Apply advanced frontend techniques such as Promises, Redux, and Callbacks. Implement real-time communication with SignalR. Backend Development (Secondary) Develop backend services with C# .NET Core. Support and enhance IRIS backend systems. Create and maintain APIs and business logic. Application and Performance Improvement Work on application performance and scalability enhancements. Contribute to system modernization and evolution. Maintain code quality and efficiency. DevOps and CI/CD Maintain and improve CI/CD pipelines. Work with AWS, Kubernetes, and Git as part of the deployment process. Team Collaboration and Support Work closely with global IT teams and stakeholders to meet project objectives. Support NY USD trading teams, particularly during overlapping time zones. Participate in solution design and technical discussions. Help ensure clear communication across international teams.

Role Overview Bankjoy is hiring a Senior Full Stack Software Engineer with expertise in .NET. This position focuses on building and maintaining software that improves banking experiences and supports efficient operations. What You Will Do Design, develop, and support software solutions using .NET technologies Work closely with teams across disciplines to deliver high-quality features Help shape software that makes banking easier for customers Follow established best practices throughout the development process Location This role is open to candidates based in Canada.

A Few Notes:Thriving B2B SaaS organization with teams operating across North America.This position offers a predominantly remote work arrangement based in Toronto, with monthly team meetings.Candidates must possess legal authorization to work in Canada; visa sponsorship is not an option.We are expanding our Engineering team and seeking a Full Stack Developer skilled in Python and React to join our applications team.We welcome applicants with experience levels ranging from Upper Intermediate to Staff Engineer.This role encompasses full-stack responsibilities, but we are open to candidates who have a stronger focus on back-end development.About Us:We are recognized as a leading retail analytics platform, empowering marketing teams and brands to gain insights from their retail data and execute targeted media campaigns without needing coding skills. Our mission is to enhance our clients' understanding of their customers while maximizing the return on their marketing investments. Notably, one of our significant clients is Home Depot.Our Technology Stack: Python, Django, React, Typescript, Azure.How We Work:We foster a collaborative environment with an array of exciting and complex projects.We support the exploration of new technologies, reflecting our identity as a modern tech company.Our focus is on sustainable development; we are already profitable and prioritize quality.With a remote work setup, we convene once a month in Toronto and hold biannual company retreats.About You:We are on the lookout for a remarkable Senior/Staff/Lead Full Stack Engineer eager to make a significant impact on our applications team.Key Responsibilities:Full Stack Development: Manage end-to-end client feature development, from initial design to final delivery.Integration Projects: Collaborate with industry leaders like Meta, TikTok, and Snapchat within the ad tech domain.User Interface Enhancements: Optimize the UI experience for our enterprise clients.Qualifications:Over 6 years of full-stack development experience in creating enterprise-level B2B/B2C SaaS applications.

The Invoicing team at Lightspeed Commerce Inc. forms part of the Financial Services division. This group creates and maintains solutions that support sales, pre-sales, and customer accounts receivable. By streamlining financial transaction flows, the team helps drive business growth and ensures a dependable experience for clients. Role overview The Senior Full Stack Developer (Go & React) contributes to the development and upkeep of features for core financial products. Responsibilities include designing new functionality, resolving bugs, and enhancing system architecture. The work has a direct effect on the reliability and performance of Lightspeed’s financial tools. Collaboration is central to this role. The developer will work closely with teammates to improve processes and tools, and will also participate in production operations, including on-call rotations. Location requirement This position is open to applicants located anywhere in Canada. Lightspeed requires candidates to be based within the country.

At Thinkific, we are revolutionizing the learning commerce landscape by empowering businesses to transform knowledge into meaningful impact. Our platform seamlessly integrates community, courses, and content with commerce, enabling transformative learning experiences that enhance revenue potential and reach learners worldwide.As a vibrant team of over 300 dedicated Thinkers, we strive to elevate the standards of online education, support learning enterprises, and create tangible real-world impacts. You will collaborate with inquisitive and committed colleagues who are passionate about delivering outstanding products and services.We prioritize a fair, inclusive, and human-centered hiring process to ensure you feel guided and informed from the outset.Are you a Senior Full Stack Engineer who enjoys tackling intricate challenges, developing impactful solutions, and collaborating with a dynamic team? Join us at Thinkific!In your role as a Senior Full Stack Engineer, you will engage with our full application stack to help us achieve our business objectives while investigating, evaluating, and resolving product issues. Additionally, you will mentor fellow engineers and facilitate their professional growth. You will work closely with Engineering, Product Management, and Product Design teams to translate business requirements into valuable features for our users.Your mission will be to lead medium-to-large feature projects from inception to completion within our agile framework. Here’s how you will achieve this:Write reliable, high-quality code that sets the standard for the team.Diagnose and troubleshoot issues within the Thinkific platform effectively.Engage in architectural design, review, and implementation of scalable, production-ready features.Contribute to a well-aligned architecture while identifying patterns that mitigate technical debt, enhance efficiency, and ensure long-term code quality.Participate in estimating effort and complexity for new product features and tasks.Share knowledge through mentorship, documentation, code reviews, pair programming, and training sessions.Collaborate with your team to explore and advocate for innovative technologies that can enhance our products and processes.

About ClickHouseRecognized on the 2025 Forbes Cloud 100 list, ClickHouse is a pioneering and rapidly expanding private cloud company. With over 3,000 customers and an annual recurring revenue (ARR) growth exceeding 250% year-over-year, ClickHouse is at the forefront of real-time analytics, data warehousing, observability, and AI workloads.The company’s remarkable momentum was recently underscored by a $400M Series D financing round. In the past three months, prominent clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have adopted or expanded their use of our platform, joining a prestigious list of AI innovators and global brands like Meta, Cursor, Sony, and Tesla.We are on a mission to revolutionize how companies leverage data. Join us on this exciting journey!We are looking for a Senior Full Stack Engineer to contribute to building a petabyte-scale, high-performance observability platform that prioritizes creating an exceptional developer experience (the DX in HyperDX).Join us in transforming observability for developers! HyperDX, now part of ClickHouse, is an open-source platform that turns telemetry data into actionable insights. Imagine a seamless integration of logs, metrics, traces, and session replays that helps identify root causes faster than ever. If you've ever felt the frustration of waking up at 2 AM due to unhelpful tools like Grafana, Datadog, or Elastic, you understand the challenges we are addressing. Now, you can be a part of the solution.What You’ll Do:Shape the product: Lead the development of critical features, focusing on both frontend and backend systems that enhance debugging and monitoring for developers.Engage with the community: Collaborate with open-source contributors and customers, addressing their challenges and integrating their feedback into our roadmap.Tackle technical challenges: Elevate HyperDX to handle petabytes of observability data with unprecedented speed! You'll develop innovative analytical tools that empower engineers to resolve production issues like never before, while scaling our cloud-hosted platform for a growing customer base.

Play a key role in the design, development, and testing of software throughout the entire development life cycle.Draft specifications and comprehensive documentation.Collaborate with fellow developers and software architects to design and implement both front-end and back-end applications, including modules, databases, and deployment strategies.Deliver high-quality code by adhering to best practices and utilizing tools such as unit testing, formatting, and linting.Engage in DevOps activities to deploy, validate, and maintain the operation of services and applications.Work closely with software architects and other developers to ensure project alignment.Provide guidance and mentorship to junior or mid-level engineers as needed.Collaborate effectively with customer support and the Smart-Monkey engineering teams.Demonstrate the ability to manage tasks autonomously and deliver results independently when required.Exhibit a strong capacity to transition from high-level decision-making to practical execution, adding value and exceeding expectations while contributing to the success of the company.

Note: Only candidates residing in the country of the advertised role will be considered.Company OverviewJoin the New Rich Network and seize the opportunity to shape your future!We're on the lookout for passionate individuals who want to impact not only our products but also our culture.As the world evolves at an unprecedented pace, you can position yourself for success by joining our mission to create a community of visionary individuals eager to enhance their lives and those around them.At New Rich Network, we empower digital entrepreneurs to turn their aspirations into reality. Our mission is straightforward yet ambitious: to assist individuals in crafting a balanced and fulfilling lifestyle while simultaneously building wealth and independence.We are a rapidly growing team united by a single vision: a world where anyone can work remotely, pursue their passions, and live life according to their own terms.Our platform integrates SaaS tools, e-learning programs, and a nurturing social network—a comprehensive ecosystem designed for creators, entrepreneurs, and visionaries who seek more than a mere career.We are in search of a skilled full-stack Software Engineer who can contribute across our product spectrum—developing new features, enhancing existing systems, and optimizing team efficiency. This hands-on role is ideal for someone who thrives in a dynamic environment and takes pride in delivering results.You will engage with our technology stack (PHP 8.2 / Laravel 10), Node.js, Golang, and React (React 18 + TypeScript + Vite), while contributing directly to production code and improving workflows, documentation, and processes. We value attitude and ownership over perfect technical skills.We believe that fulfilling work and a healthy work-life balance are essential to living a New Rich lifestyle.If you are driven, ambitious, and ready to grow with us, we want to hear from you!

The Invoicing team at Lightspeed Commerce Inc. forms part of the Financial Services division. This group designs and maintains tools that help with both sales and pre-sales activities, as well as managing customer accounts receivable. Their work supports reliable financial processes for clients and contributes to business growth. Role overview The Senior Full Stack Developer (Go & React) will work on Lightspeed’s core financial products. Responsibilities include developing and maintaining important features, updating and improving the codebase, adding new capabilities, resolving bugs, and contributing to architectural improvements. The team values practical technical skills and a collaborative mindset for evolving both tools and processes. This position also involves supporting production operations, including participation in on-call rotations and handling related operational tasks as required. Requirements Must be currently residing in Canada. Lightspeed will only consider applicants located within Canada for this role.

Join our rapidly expanding team at MixMob as a Senior Full-Stack Developer with expertise in React, Node.js, and NFT gaming. We embrace the freedom of remote work, allowing you to thrive independently and creatively. You will bring exceptional organizational skills and an eye for product quality, aspiring to take on leadership responsibilities. Your role will involve close collaboration with our talented team, known for its innovative instincts and deep passion for technology.This position requires a proactive and communicative individual who can contribute significantly to our game development. You will work alongside the Technical Lead and operational managers, ensuring high-quality standards are met across all aspects of our gaming projects.Your potential for growth in this position is limitless. Here’s what you’ll be doing:Oversee and enhance our React codebase, contributing to its continuous improvement.Collaborate with our external Unity Game Development team to facilitate seamless integration with our multiplayer gaming platform.Design and implement an API for effective player data management.Work closely with our crypto services team to guarantee secure and efficient transactions for players.Proactively identify potential technical challenges and assist in drafting technical briefs.Foster a culture of technical excellence within the team.Deliver concise and relevant insights to our leadership team.Uphold the game’s quality standards while maintaining agility.Devise innovative solutions to complex challenges, including tools and services.Prioritize user needs in the development of products and features, reflecting MixMob’s unique user experience.Support MixMob’s CI/CD pipelines as needed.Fully engage with the MixMob ecosystem, embodying its technical, creative, and cultural aspects.Play a key role in attracting, interviewing, and recruiting engineering talent.Provide technical leadership in software development, encompassing code reviews, automated testing, and project scheduling.Evaluate technical designs to ensure scalability and robustness, maintaining a high standard for code quality and architecture.

Company Mission Aktos is an innovative seed-stage Vertical SaaS Fintech startup seeking a talented Senior Full Stack Engineer, with a focus on backend development (70/30), to contribute significantly to the construction of the operating system that underpins the $18 billion credit collections sector. Credit collectors play a crucial yet often unrecognized role in our financial ecosystem, assisting consumers in settling debts and enhancing their credit scores, thereby enabling them to start afresh. They support essential businesses, including healthcare providers and local governments, which face high payment default risks, ensuring their revenue streams and long-term viability. The role of a collector is multifaceted and engaging, combining elements of sales, counseling, and investigation as they strive to recover funds. At Aktos, we are developing a modern software platform tailored to the unique workflows of collectors, aiming to create a more positive experience for all involved in the credit recovery process. Our Team Aktos is founded by experienced product and engineering leaders with backgrounds in top-tier companies like Zenefits, TikTok, Meta, LinkedIn, Google, Apple, Amazon, and WeWork. If you join us, you will work alongside and learn from some of the best experts in building, launching, and scaling world-class software platforms. Our Tech Stack: Frontend: ReactJS, Redux, RTK Query Backend: Django, DRF, Postgres DevOps: Docker, GitHub Actions, Terraform, AWS Key Responsibilities: Collaborate directly with our CEO, CTO, and a small team of engineers to develop full-stack features and enhancements for our product. Work across the entire tech stack utilizing cutting-edge frameworks and tools, taking ownership of execution. Assume full end-to-end ownership of your projects and lead critical components of our product roadmap. Refine and improve existing systems, ensuring optimal performance and user experience.

Join Xsolla, a leading payment solutions provider for the gaming industry, as a Full Stack Engineer specializing in React and Node.js. In this role, you will be responsible for designing, developing, and maintaining web applications that enhance the gaming experience for players worldwide.Your expertise in both front-end and back-end development will help us build robust, scalable, and interactive applications. Collaborate with cross-functional teams to create innovative solutions and ensure high-quality code that meets our standards.

Cresta is pioneering the transformation of customer interactions into strategic advantages by harnessing the full power of contact centers. Our innovative platform fuses artificial intelligence with human insight to help businesses uncover valuable customer insights, streamline operations, automate routine conversations, and empower every team member to maximize their efficiency. Founded by a team from the esteemed Stanford AI lab, our leadership includes visionary figures like Sebastian Thrun, the founder of Google X and Waymo, and our CEO, Ping Wu, who co-created Google Contact Center AI and the Vertex AI platform.Join us as we embark on an exciting mission to redefine the workplace through AI technology. The future of work is unfolding at Cresta.About the Role:The QM & Coaching Team at Cresta is essential to our post-call intelligence suite. Our primary objective is to leverage Large Language Models (LLMs) and cutting-edge AI methodologies to convert conversations into actionable insights, enhancing agent performance reviews and coaching. We develop systems that analyze agent behaviors in-depth, providing structured feedback on performance and identifying key improvement areas. Through AI-enhanced exploration and interactive workflows, we empower organizations to make data-driven decisions and elevate the customer experience.As a Senior Full Stack Engineer, you will be instrumental in building and scaling our no-code platform, which enables non-technical users to configure conversation workflows and automate processes without coding. You will work across the entire technology stack—from crafting intuitive user interfaces to developing robust backend services—allowing customers to rapidly and flexibly derive value from their conversations.You will collaborate closely with designers, product managers, and AI/ML teams to transform complex requirements into seamless and high-performing product experiences. Additionally, you will help shape the future architecture of our no-code platform, ensuring its scalability alongside our products and customer growth.

Join Roofr as a Senior Full Stack Engineer specializing in growth. In this role, you will be instrumental in developing scalable web applications that enhance user experience and drive engagement. Collaborate with cross-functional teams to identify and implement innovative solutions that foster growth and efficiency.

Findem is looking for a Senior Staff Full Stack Engineer based in Toronto or working remotely. This role centers on building and improving the company’s platform through hands-on development and close collaboration with colleagues from different disciplines. Role overview This position involves designing, developing, and refining features that support Findem’s products. The Senior Staff Full Stack Engineer will work with cross-functional teams to deliver solutions that drive the platform forward. What you will do Develop and enhance platform features using full stack technologies Collaborate with product, design, and engineering teams to deliver impactful updates Apply deep experience in full stack development to solve technical challenges Requirements Extensive background in full stack engineering Experience working with cross-functional teams Ability to work remotely from Toronto or elsewhere

About the RoleWe are seeking aSenior Full Stack Software Developer to play a key role in designing and developing our core systems.This position is perfect for engineers with robust hands-on capabilities and an evolving architectural perspective, who thrive in complex, high-scale environments.Key Responsibilities:Utilize AI tools (e.g., Copilot, ChatGPT, Cursor) to enhance development efficiency and code quality.

Senior Full Stack EngineerLocation: Ottawa or Toronto, ON | HybridDepartment: EngineeringReports To: Dan Murdock, Director of EngineeringType: Full-TimeVacancy Status: This role is actively being recruited for.About SolinkAt Solink, we are dedicated to protecting what matters most. Our mission is to equip businesses with the capability to respond swiftly and effectively by converting video surveillance into actionable operational insights.Our innovative cloud-based platform seamlessly integrates with existing cameras and systems, transforming them into intelligent sensors that capture and analyze critical moments. This empowers teams to make informed, data-driven decisions that enhance security and operational efficiency.Trusted by over 30,000 locations across more than 32 countries, including renowned brands like McDonald’s and JYSK, Solink provides clarity in crucial situations. Our solutions help businesses minimize loss, optimize performance, and respond proactively to potential threats.As we experience rapid growth and gain industry accolades, we are scaling with purpose. Recognized by Deloitte’s Fast 50™ and Fast 500™, Business Intelligence Group, and celebrated as one of Ottawa’s Best Places to Work, we are just getting started!The RoleJoin our dynamic Agents team, where you will play a pivotal role in shaping the production of AI agents. As a seasoned product engineer, you will design and implement the systems that enable Solink’s AI Agents to reason, act, and deliver value within our cloud VMS platform.Your responsibilities will encompass backend services (TypeScript/Node), agent orchestration layers, APIs, tool integrations, and user-facing workflows that transform models into tangible, reliable capabilities. This is not merely a feature-focused role; you will be constructing the execution layer of our agent systems, including tool utilization, workflow coordination, safety protocols, latency management, and production reliability.Expect a high-ownership environment where quick decision-making and collaboration with product, data, and platform teams are essential. You will have direct access to cutting-edge AI models and tools, with the autonomy to apply them effectively for measurable product impact.

StackAdapt builds technology that helps marketers reach their audiences more effectively. The StackAdapt Marketing Platform uses AI to run hundreds of billions of optimizations every second, connecting brand and performance marketing for measurable results. Marketers rely on StackAdapt to manage campaigns across a range of programmatic advertising and marketing channels. About the Engineering Team Engineers at StackAdapt develop and maintain a modern MarTech platform, writing production-ready code that directly shapes the product. The team works with large data sets and uses technologies such as Ruby on Rails, React, and GraphQL. Collaboration and cross-functional teamwork are central, and StackAdapt supports growth with clear paths for career development. The company offers a flexible, inclusive culture. About the Orchestration Flows Team The Orchestration Flows group is building a new platform to help marketers launch and coordinate campaigns across programmatic channels. As StackAdapt expands from AdTech into broader marketing technology, this team plays a key role in scaling the business. Senior engineers here help shape the future of the platform. This is a Remote First position open to candidates anywhere in Canada, including Calgary, Toronto, and Vancouver. What You Will Do Design, improve, and troubleshoot distributed systems, managing backend dependencies with other teams to deliver new features on schedule. Lead code reviews, draft technical specs, and contribute to architectural planning for fast, high-quality releases. Develop and maintain the React-based frontend for Orchestration Flows, handling complex state and branching logic to support a strong customer experience. Build scalable systems and APIs with Ruby on Rails and GraphQL, laying the groundwork for new product features. Write modular, test-driven code and own projects from design through to production deployment. Spot and resolve bottlenecks that impact user adoption and product efficiency. Mentor teammates and contribute to a collaborative, enjoyable team culture.