Senior Frontend Software Developer

Join the Revolution at Stay22At Stay22, we are transforming the way individuals convert online. Our AI-driven affiliate platform empowers publishers, ticketing platforms, and content creators to unlock new revenue streams while enhancing the user experience for their audiences. With Stay22, our partners don't just earn more; they deliver more. Become part of our mission to disrupt the affiliate space and make a real impact.Position OverviewThis role demands a strategic engineering approach that exceeds mere coding. You'll assess critical development decisions and select optimal API management strategies to provide a world-class development experience. You will not only build our 'Data as a Product' platform, which will create new revenue opportunities and facilitate our entry into the AI agent ecosystem, but also be its first user, designing the initial AI agents that showcase its power and potential. If you are a systemic thinker driven by solving complex large-scale problems and crafting elegant, sustainable platforms, this opportunity is for you.Key ResponsibilitiesLead the design, development, and full deployment of Stay22's new public API platform.Utilize your expertise in Python, Node.js, and TypeScript to develop scalable, secure, and well-documented RESTful or GraphQL APIs.Develop and launch the first generation of Stay22 AI agents for third-party markets (e.g., OpenAI, GCP Agents), leveraging the API platform you help create.Collaborate closely with the Data, Neuro, and Integrations teams to define data contracts and integrate their services into a unified API product.Work with the Forge team (platform) to implement best practices for CI/CD, infrastructure as code, security, and observability for the API platform.Establish and advocate for API design standards, versioning strategies, and comprehensive documentation to ensure a world-class development experience for internal and external partners.Design and implement testing strategies (unit, integration, and performance) to ensure the robustness of the API platform.

About the Role Vention Inc. is looking for a Senior Software Engineer to help build and improve software that supports manufacturing businesses. This position is based in Montreal. What You Will Do Design and develop software solutions that help clients optimize their manufacturing processes Work closely with colleagues from different teams to deliver reliable, user-focused products Contribute ideas that shape both the technology stack and the direction of new features Who You’ll Work With This role is part of the engineering team and involves frequent collaboration across departments to improve product quality and user experience.

Join Xsolla, a global leader in the gaming industry, as a Senior Software Engineer. Our team is dedicated to creating innovative solutions that empower game developers and enhance player experiences. In this role, you will collaborate with cross-functional teams to design, develop, and implement cutting-edge software solutions that meet the needs of our clients.

Torc Robotics is looking for a Senior Software Engineer, Calibration to join the ADkit CE&E team. This position is open to candidates based in Canada, either remotely or in Montreal. Team focus The ADkit CE&E (Autonomous Driving Kit Component Enablement & Calibration) team supports the accuracy and reliability of perception systems in Torc's autonomous vehicles. The group works on scalable calibration and configuration solutions for ADKit components, handling multi-modal sensor systems such as cameras, Lidar, and radar to ensure precise and dependable operation. What you will do Develop and improve calibration and configuration solutions for ADKit components. Work hands-on with sensor systems, including cameras, Lidar, and radar, to optimize performance. Support research and design activities that help bring autonomous vehicle technology to market. Collaborate with colleagues to maintain operational accuracy and reliability across the platform. Who succeeds in this role Engineers who enjoy solving problems through direct work with both hardware and software. People interested in advancing autonomous technology and contributing to a team shaping the industry.

About Stay22At Stay22, we are transforming the way people convert online. Our AI-driven affiliate platform empowers publishers, ticketing platforms, and content creators to unlock new revenue streams while enhancing their audience's user experience. At Stay22, our partners not only earn more but also provide more. Join us and be part of something significant that is reshaping the affiliate landscape.About the RoleAt Stay22, integrations with external travel providers are at the heart of our product. The Integrations team ensures that third-party data is reliable, well-structured, and scalable. We are seeking a senior Fullstack developer with a strong backend focus to design and enhance our provider integrations and data pipelines. You will work closely with the product manager in a dynamic, agile environment, leveraging your expertise in Node.js and TypeScript to ensure performance, reliability, and growth.Key ResponsibilitiesDesign, develop, and deploy provider integrations and data pipelines.Build and maintain robust integration APIs and services (Node.js, TypeScript).Ingest, normalize, and maintain data via API, SFTP, and other streams.Implement deep-linking solutions for seamless user experiences.Integrate booking and commission data for reliable reporting.Ensure security, observability, and scalability of pipelines in collaboration with the Infrastructure team.Collaborate with product and data teams to maximize data value.Mentor junior developers and promote clean, maintainable coding practices.RequirementsProficiency in English is required for daily communication with international colleagues and supervised employees.Degree in Computer Science or equivalent experience.Extensive experience with Node.js and TypeScript.Strong understanding of API integrations and data management.Experience working in an agile environment.

At Kunai, we are at the forefront of transforming the financial services industry by delivering innovative full-stack technology solutions tailored for banks, payment networks, and infrastructure providers. Our mission is to empower clients to embrace modern technology, harness emerging trends, and adapt their operations to thrive in the future. We pride ourselves on being tech-agnostic and putting people at the center of our solutions.Location: Montreal, Quebec - Onsite Work RequiredWe are actively seeking a skilled Python/Data Software Engineer to join our dynamic team. This position focuses on developing and sustaining intricate data pipelines and tools within our comprehensive financial services environment. Your contributions will enhance data engineering, streamline reconciliation processes, and elevate enterprise productivity across platforms serving millions globally.

At Kunai, we are revolutionizing the financial services landscape by delivering innovative full-stack technology solutions tailored for banks, credit networks, payment processors, and their clients. Our mission is to empower our clients to modernize their operations, seize emerging opportunities, and adapt to future challenges through a tech-agnostic and user-centric approach.We are on the lookout for a talented Senior Java Software Engineer to become a vital member of our agile team. In this role, you'll engage in the development of sophisticated financial service systems that cater to millions of users globally. Your expertise will contribute to enterprise architecture, risk technology, and investment banking applications, requiring a deep understanding of core Java technologies, scalable distributed systems, and contemporary cloud platforms.

ABOUT USAt Xsolla, we are a pioneering global commerce company dedicated to empowering game developers with a suite of innovative tools and services. Our mission is to tackle the unique challenges within the video game industry and provide solutions that help creators succeed, whether they are indie developers or AAA studios. With our headquarters in Los Angeles, California, we proudly serve over 1,500 game developers globally, facilitating funding, distribution, marketing, and monetization strategies. Our unwavering belief in the future of gaming drives us to continuously provide new resources and opportunities to creators around the world. Discover more at xsolla.com.ABOUT YOUWe are seeking a talented Senior Software Engineer (React Native) to join our dynamic Mobile Engineering team. The ideal candidate will possess a strong architectural mindset, a commitment to quality, and a collaborative spirit. In this fast-paced environment, you will lead mobile architecture initiatives, develop scalable cross-platform applications, and establish shared code practices across both web and mobile platforms.Your expertise in React Native and JavaScript/TypeScript is crucial, coupled with an in-depth understanding of mobile architecture patterns and state management. Experience in delivering commercial mobile applications from ideation to launch is essential. You will also play a key role in designing scalable architectures, implementing comprehensive testing strategies (including E2E), optimizing application performance, and mentoring fellow developers while working collaboratively across cross-functional teams.If you're passionate about creating exceptional mobile experiences that scale and enjoy building seamless app ecosystems that enhance gaming, virtual currency, and digital commerce interactions, we invite you to apply!

About Stay22At Stay22, we are transforming the way people convert online. Our AI-powered affiliate platform empowers publishers, ticketing platforms, and content creators to unlock new revenue streams while enhancing their audience's user experience. Our partners don’t just earn more; they provide more. Join us in making a significant impact in the world of affiliate marketing.About the PositionAs a Senior Full-Stack Developer on the Phantom team, you will play a pivotal role in developing our integrated widget and affiliate platform. You will optimize browser-side script execution to ensure high performance across various sites, while designing privacy-respecting session tracking and fingerprinting mechanisms. You will oversee the entire script lifecycle, from load optimization to event management and error recovery, contributing to the infrastructure that powers Stay22's embeddable products.Key ResponsibilitiesContinuously optimize load times and script execution efficiency (minification, caching, lazy loading).Develop reliable methods for injecting content and widgets across different sites (DOM, dynamic layouts).Implement precise event handlers to track user interactions with embedded elements.Utilize fingerprinting techniques to track user sessions while ensuring privacy compliance.Create and maintain Node.js/Python scrapers for data collection from partner sites or APIs, with failover sources to ensure resilience.Troubleshoot and adapt script logic for real-world conditions and manage conflicts with third-party scripts.Oversee the entire stack of integrated products (scripts, SDK, API) and collaborate with teams to implement new features.

Join MaintainX as a Senior Software Developer specializing in search functionality. In this role, you will leverage your advanced programming skills to enhance our search capabilities, ensuring our users find the information they need quickly and efficiently. You will collaborate with cross-functional teams to design, implement, and optimize search algorithms while maintaining high performance and scalability.

Role Overview Vention is looking for a Senior Software Developer in Montreal. This role focuses on designing and building software solutions that improve our products and support business goals. Collaboration with teams across the company is central to the work. What You Will Do Write clear, maintainable code for new and existing features Take part in code reviews to support quality and share knowledge Mentor junior developers, offering guidance and feedback Work closely with colleagues from different disciplines to deliver improvements Who We’re Looking For Strong interest in technology and software development Comfort working in a quick-moving setting Experience collaborating with diverse teams Commitment to writing reliable, maintainable code

About UsEli Health is revolutionizing hormone monitoring, enabling users to achieve both their daily and long-term health objectives. Say goodbye to waiting days for critical biomarker insights; now you can access actionable results in mere minutes. Our flagship innovation, the Hormometer™, stands as the first instant hormone monitoring platform delivering results from saliva to a mobile app anytime, anywhere.After six years of dedicated research and development, over 2,000 iterations, and supported by numerous patent-pending innovations, Eli’s award-winning platform transforms hormone levels into measurable signals that can be tracked and optimized. Just as the thermometer and glucometer have significantly impacted health for millions, Eli is positioned to lead the next major advancement in health monitoring technology.About the RoleThis is a hands-on senior engineering position pivotal to our product development.You will own the complete technical direction of our consumer mobile application from the React Native front end to the underlying infrastructure. This role includes managing a small team of adept developers, contributing as an active team member. A key responsibility will be to elevate the engineering maturity of your team. As the product is live and expanding rapidly, the next 6-18 months are critical. We seek someone with experience scaling a consumer application in a comparable environment.You will report directly to our CTO and collaborate closely with our product and machine learning teams.Your ResponsibilitiesTeam DevelopmentPromote technical excellence and growth through mentorship, system-level guidance, and code-level feedback.Assist with hiring efforts as the team expands.Technical LeadershipEstablish and maintain engineering standards across the full stack, including mobile and backend, addressing architecture, code quality, and release practices.Lead planning and sprint execution while facilitating team progress.Ensure uptime, stability, and implement systems to identify issues proactively.Drive the infrastructure, observability, and reliability initiatives necessary to support a growing user base without incidents or regressions.Hands-on DevelopmentEngage in writing and reviewing code...

Join Our TeamAt osedea, we are a dynamic tech development firm committed to putting people first. We prioritize the well-being of our clients and our team, fostering an environment where dreams, aspirations, and professional growth are nurtured.Community is at the heart of our operations. We actively seek opportunities to build meaningful connections, ensuring that everyone feels valued and included.We embrace diversity in all its forms—backgrounds, personalities, career trajectories, and languages. We encourage innovation, continuous learning, and the sharing of experiences, creating a welcoming atmosphere for all.Fun is a core component of our culture. Every day, we are inspired to create a more efficient and enjoyable world through technology.Position SummaryAs a Software Engineer at osedea, you will collaborate with an enthusiastic team to design, develop, and deliver cutting-edge enterprise software solutions. You will engage with both technical and non-technical colleagues, rapidly adapt, assume new challenges, and enhance your engineering expertise. We value ownership, effective communication, and a mindset geared towards growth.

About UsAt osedea, we pride ourselves on being a dynamic and innovative technology development firm where people are at the core of our mission. Our commitment to our clients and community drives us to foster an environment that values the dreams, aspirations, and professional growth of our team.We believe in building strong, meaningful relationships and fostering a sense of community. Diversity is celebrated here, encompassing various backgrounds, perspectives, and experiences. We cultivate an inclusive atmosphere where everyone feels welcome and valued.Our work culture is vibrant and fun; we are inspired to create a more efficient and enjoyable world every day.Role OverviewAs a Senior Software Developer, you will play a pivotal role in our software development process. You will collaborate with both technical and non-technical team members, mentoring them as you plan, build, and deploy enterprise-level software solutions for our clients. We expect you to take initiative in your tasks, manage your time effectively, and demonstrate a commitment to continuous personal improvement.While we have specific technologies in our stack, we prioritize your personal potential and growth over specific technical expertise when considering candidates for this role.

At MaintainX, we are revolutionizing enterprise asset management (EAM) with our AI-driven platform tailored for the modern world. Our mission is to enhance the lives of blue-collar workers globally by providing intuitive, mobile-focused software that empowers teams to maintain the physical world effectively. We enhance operational efficiency for over 12,000 companies, including industry leaders like Duracell, Univar Solutions Inc., Titan America, McDonald's, Brenntag, Cintas, Michaels, and Shell. Recently, we secured a Series D funding round of $150 million, bringing our total funding to $254 million and valuing the company at $2.5 billion. We are redefining how maintenance and operations teams function, transforming maintenance from a cost center into a strategic growth lever. MaintainX combines enterprise strength with consumer simplicity, enabling organizations to boost their reliability, performance, and efficiency. The Opportunity This is a unique opportunity to introduce cutting-edge AI and machine learning into one of the most impactful sectors on the planet. You will not only manage engineers but also contribute to transforming how people interact with machines, maintain equipment, and make informed decisions. We are seeking a Software Engineering Manager to join our growing team and help develop the next generation of MaintainX products. You will lead a talented team of engineers, collaborate across various departments, and ensure the delivery of products that our customers trust and rely on daily. Join us in shaping the future of industrial operations, one work order, asset, and team at a time.

ABOUT USAt Xsolla, we are a leading global commerce company dedicated to providing innovative tools and services that empower game developers to tackle the unique challenges of the gaming industry. From indie projects to AAA titles, we partner with developers to support them in funding, distributing, marketing, and monetizing their games. Our commitment to the future of gaming drives us to create new opportunities and resources for creators. Headquartered in Los Angeles, California, we proudly serve over 1,500 game developers worldwide, helping them expand their audience and grow their businesses. With a focus on profitability and success, we equip developers with everything they need to thrive in the gaming landscape.For more details, visit xsolla.com.ABOUT YOUWe are seeking a Senior Backend Engineer who is meticulous, proactive, and collaborative to be a vital part of our Engineering team. The ideal candidate will thrive in a fast-paced and dynamic environment, eager to design and develop scalable backend systems, enhance architectural frameworks, and provide resilient, high-performance services for production.To succeed in this role, you must possess strong technical skills in Go, distributed systems, and microservices architecture, along with experience in developing and managing cloud-native applications in containerized settings using Docker and Kubernetes. Your ability to diagnose complex production issues, optimize system performance, and manage event-driven architectures utilizing Kafka or similar platforms will be crucial.If you are passionate about building dependable, scalable systems that support impactful products and enjoy creating seamless infrastructures that facilitate innovative payment, gaming, or commerce experiences, we would love to connect with you!

About Stay22At Stay22, we are transforming the way individuals convert online. Our AI-powered affiliate platform assists publishers, ticketing platforms, and content creators in unlocking new revenue streams while enhancing the user experience for their audiences. At Stay22, our partners do not just earn more; they also deliver more. Join us and be part of something significant that is reshaping the affiliate landscape.About the RoleThe Fabric Squad is the new driving force at Stay22. Its mission? To advance our centralized API platform and Model Context Protocol (MCP) server. Beyond mere infrastructure, Fabric serves as the secure gateway to our intelligence, data, and proprietary logic.As a Senior Technical Product Manager, you will be the architect of Stay22's technical evolution. Your role will involve transforming our internal systems into a unified ecosystem capable of linking our data and AI agents directly to global partners. You will operate at the intersection of platform engineering, data monetization, and the emerging economy of AI agents.You will carry the strategic vision and roadmap for the API platform. Your goal: to convert fragmented systems into a cohesive, scalable platform ready for the vertical expansion of the company.Your priorities will revolve around a three-phase roadmap:Internal: Standardize communication among our microservices.Product: Become the engine for all Stay22 products (both frontend and internal).Ecosystem: Externalize and monetize our APIs for our partners and enterprise clients.Your daily responsibilities will include:Designing the API as a product: Transforming our assets (inventory, pricing, analytics) into reliable and high-performance API products.Collaborating closely: Working with engineering, data, and procurement to define security standards, documentation, and developer experience (DevEx).Driving AI: Defining the requirements for MCP servers to enable our agents to be deployed in third-party markets, thus opening new channels for revenue growth.

We are seeking a talented and driven Senior Software Developer to join our dynamic technology team at SSENSE. As a pivotal member of our development group, you will work collaboratively on innovative projects that shape the future of e-commerce.Your role will involve designing, implementing, and maintaining scalable software solutions, ensuring high performance and responsiveness of applications. You will also be responsible for mentoring junior developers and contributing to code quality through peer reviews and best practices.

Join Our TeamAre you passionate about shaping the future of multiplayer gaming? At Unity Technologies, we are tackling the intricate challenges of multiplayer game development. Our team is dedicated to striking the perfect balance between performance, flexibility, and usability, pushing the boundaries of creativity in multiplayer games.As part of our team, you will contribute to the development of Unity Multiplayer's core authoring flows while integrating essential gaming services directly into the Unity Editor. Help us make multiplayer game creation simpler and more innovative.We are seeking a skilled Senior Software Developer to significantly enhance the multiplayer service experience within Unity.In this role, you will have the autonomy to lead initiatives that improve the onboarding process, drastically reduce iteration times, and ensure high-level performance at scale for millions of users. Join us in defining and paving the way for the next generation of multiplayer game development!