Senior Software Developer Level 3

Join our talented technology team at SSENSE as a Senior Software Developer Level 3. In this role, you will be responsible for designing, developing, and maintaining high-quality software solutions. Your expertise will contribute to our innovative projects, ensuring seamless performance and user experience.As a key member of our team, you will collaborate clo…

English version will follow About Plusgrade:At Plusgrade, we believe that travel is about more than just reaching a destination; it’s about crafting unforgettable memories along the journey. Our mission is to redefine the future of travel by partnering with over 250 airlines, hotels, cruise lines, rail networks, and financial services to generate significant new revenue streams through exceptional customer experiences. Grounded in our core values of ambition, innovation, and collaboration, we continuously strive to push boundaries, exceed expectations, and harness the best in everyone. We cultivate a culture that recognizes our strength lies in unity, working together to build an extraordinary future in the travel industry. Join us in transforming everyday travel into truly extraordinary experiences. About the Position:As a Senior Software Developer specializing in Automation and AI within the Enterprise Systems and Information Security team, you will serve as the technical lead for the implementation, deployment, and maintenance of AI-driven automation at Plusgrade. You are a native AI developer, seamlessly integrating AI into every phase of your workflow: coding, testing, debugging, reviewing, and deploying. This allows you to navigate through various languages and platforms, selecting the most appropriate tool for the task at hand rather than sticking to familiar ones. You will collaborate closely with a Senior Process Optimization Consultant and informally mentor software developers in the team, setting standards and elevating the craft. You will report to the Director of AI Solutions.What You Will Do:

Mila is a research center based in Montreal, founded by Professor Yoshua Bengio at the Université de Montréal. The institute is recognized for advancing artificial intelligence, particularly in machine learning, deep learning, and reinforcement learning. Mila’s researchers have contributed to key areas such as language modeling, machine translation, object recognition, and generative models. Operating as a partnership between Université de Montréal and McGill University since 2017, with strong links to Polytechnique Montréal and HEC Montréal, Mila works to advance AI research and innovation for societal benefit. Role overview The Senior Developer - AI Application Development will join Mila’s AI Application Development (AAD) team. This group builds applications powered by generative AI and machine learning, collaborating with Studios, AMLRT, and other internal teams. The work involves transforming research and prototypes into platforms, products, and interactive demos. What you will do Define architecture and integrate large-scale AI models into applications Develop and enhance critical features for AI-driven platforms Deliver reliable, production-ready systems Contribute to technical decisions and maintain code quality Model and promote strong engineering practices Mentor junior developers Help structure a sustainable technical ecosystem, including LLM, RAG, agents, pipelines, observability, and performance Who thrives in this role This position fits someone interested in shaping technical direction, contributing to strategic projects, and working across backend development, applied AI, data, DevOps, and software products. Location Montreal, Quebec, Canada Learn more at https://mila.quebec/

Join our dynamic team as a Big Data Developer in Montreal, QC. In this role, you will be pivotal in designing and implementing innovative data solutions to facilitate real-time data processing and analytics.Your expertise will contribute to a fast-paced environment where creativity and problem-solving are paramount, enabling us to harness the power of big data effectively.

Join MEDFAR Clinical Solutions as a Senior Data Transfer Developer, where you will architect, build, and enhance innovative data transfer systems and interfaces that guarantee secure, precise, and efficient data exchange within our healthcare ecosystem. In this pivotal role, you will engage with intricate healthcare data, influence architectural decisions, and advocate for best practices to ensure the scalability, reliability, and performance of our integration solutions.Key ResponsibilitiesEstablish the architecture and strategy for the evolution of data transfer tools and integration platforms.Conduct analysis, design, and development planning of data transfer applications and interfaces.Create maintainable, reusable, and scalable solutions optimized for performance and resource availability.Facilitate the efficient processing of complex healthcare data across various systems.Collaborate with internal teams and stakeholders to deliver integration solutions that align with business requirements.Monitor, troubleshoot, and enhance data transfer processes to ensure reliability and optimal performance.Promote best practices, coding standards, and modern technologies within the team.Mentor team members to foster continuous improvement in technical quality.Communicate technical challenges, risks, and progress effectively to stakeholders.

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 the user experience for their audiences. At Stay22, our partners not only earn more but also provide greater value. Join us in being part of something significant that is reshaping the world of affiliate marketing.Job SummaryAs a Senior Backend Developer at Stay22, you will play a crucial role in ensuring the robustness, scalability, and performance of the core systems that drive our business. You will design and build high-throughput APIs, manage complex data pipelines, and ensure our infrastructure is capable of handling millions of requests with low latency.You will act as a technical leader, driving large-scale backend initiatives from architectural design to deployment and monitoring. You will work with diverse data sources, optimize database interactions, and help evolve our microservices architecture. This role requires a deep understanding of distributed systems, a focus on reliability, and a passion for mentoring others toward backend engineering excellence.Key ResponsibilitiesSystem Architecture and DevelopmentDesign, build, and maintain scalable APIs and backend services using Python and/or Node.js/TypeScript.Develop efficient data processing pipelines to manage the ingestion, normalization, and storage of massive datasets from various external sources.Optimize database performance (PostgreSQL, MongoDB, Redis) by crafting schemas and queries that remain efficient at scale.Reliability and OperationsTake ownership of system reliability by implementing comprehensive observability (logs, metrics, tracing) to ensure high availability.

Join MaintainX as a Senior Software Developer focused on our API Platform and Ecosystem. In this role, you will be instrumental in developing and enhancing our API offerings, ensuring seamless integration with our ecosystem. You'll collaborate with cross-functional teams to deliver high-quality, scalable solutions that meet the needs of our clients.

Join Vention as a Senior Embedded Developer, where you will leverage your expertise in embedded systems to create innovative solutions that revolutionize automation and manufacturing processes. You will work closely with cross-functional teams to design, develop, and implement sophisticated embedded software and hardware systems.

About UsAt Osedea, we are a dynamic and innovative technology development firm committed to putting people at the heart of our operations. Our passion for technology is matched only by our dedication to fostering a supportive environment for our clients and team members alike. We genuinely care about our clients' success as well as the personal and professional growth of our team.We believe in the strength of community, which drives us to create meaningful relationships both internally and externally. Inclusivity is a core value for us; we celebrate diverse backgrounds, experiences, and perspectives, and we continuously strive to create a welcoming atmosphere for all.We thrive on collaboration and creativity, waking up each day inspired to contribute to a more efficient and enjoyable world through our work.

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.

Exciting OpportunityWe are on the lookout for a Senior SDK Developer who will serve as an individual contributor on our iOS SDK, taking ownership of features or subsystems from conception through implementation and maintenance.This role presents the chance to work at the compelling intersection of SDK development, machine learning, and data infrastructure. Join us in crafting innovative solutions that elevate advertising technology, impacting billions of advertising experiences globally while ensuring privacy protection and compliance.Your ResponsibilitiesAct as a senior individual contributor on the iOS SDK, managing features or subsystems end-to-end, from design to implementation and maintenance.Contribute to the development and evolution of the iOS SDK architecture in alignment with platform guidelines.Implement reliable and performant components of the iOS SDK, with a focus on multithreading, lifecycle management, and the safety of the main execution thread.Identify and rectify production failures, performance issues, and regressions, while helping to enhance overall SDK stability.Proactively improve existing code, abstractions, and development practices to enhance maintainability and reliability.Exercise sound technical judgment to balance correctness, performance, and delivery timelines.Collaborate closely with Android developers, backend teams, product managers, and quality assurance to ensure consistent SDK behavior and secure integrations.Participate in design and code reviews, provide thoughtful feedback, and contribute to elevating the overall quality of development within the team.

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 the user experience for their audiences. With Stay22, our partners not only earn more but also provide greater value. Join us and be part of something significant that is revolutionizing the affiliate landscape.Position SummaryAs a Senior Fullstack Developer at Stay22, you will serve as a technical leader within a multidisciplinary squad. You will be responsible for the end-to-end design, development, and deployment of critical product initiatives. Your role extends beyond code writing; you will own features from conception to production, bridging complex backend logic with an intuitive user experience.In this role, you will leverage your technological versatility — utilizing Node.js, Python, and TypeScript on the backend, and React on the frontend — to build high-performance, scalable solutions. You will be expected to tackle ambiguous problems, make pragmatic technical trade-offs, and mentor other developers to elevate the overall technical maturity of the team.

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.

Join MaintainX as a Senior Data Developer in Governance, where you will play a pivotal role in ensuring the integrity and security of our data systems. You will collaborate with cross-functional teams to design and implement robust data governance frameworks. Your expertise will help us maintain compliance, enhance data quality, and drive informed decision-making across the organization.

Medfar seeks a Senior Data Transfer Developer based in Montreal. This role centers on creating and implementing data transfer solutions that ensure reliable integration across the company’s software products. What you will do Design data transfer systems to move information between platforms efficiently. Build solutions that support consistent and accurate data flow. Contribute to maintaining data accuracy and consistency as information moves between systems. Impact The work in this position directly affects how data is shared and managed within Medfar’s ecosystem, supporting both integration and data reliability.

As a Senior Data Transfer Developer, you will be responsible for designing, developing, and evolving robust data transfer systems and interfaces to ensure reliable, secure, and efficient data exchanges within the MEDFAR ecosystem. You will work with complex health data, contribute to architectural decisions, and promote the adoption of best practices to ensure the performance and scalability of the solutions.Key ResponsibilitiesDefine the architecture and evolution strategy for data transfer tools.Analyze, design, and plan the development of data transfer applications and interfaces.Develop maintainable, reusable, and scalable solutions optimized for available resources.Ensure efficient processing of complex data, particularly in the healthcare domain.Collaborate with internal teams and stakeholders to deliver solutions that meet business needs.Monitor, diagnose, and enhance data transfer processes to ensure reliability and performance.Promote and implement best practices, development standards, and new technologies.Guide and influence team members to improve technical quality.Communicate technical challenges and progress to stakeholders effectively.

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 Vention as a Senior Embedded Software Developer and take your career to the next level! In this role, you will be responsible for designing, implementing, and testing high-quality embedded software solutions for our innovative automation platform. Collaborate with cross-functional teams to deliver cutting-edge technology and enhance user experience.We are looking for a candidate who is passionate about embedded systems and has a proven track record in developing software for hardware platforms. You will play a key role in shaping the future of our products and ensuring their reliability and performance.

Position Overview:The Edge OS team is dedicated to developing an innovative operating system along with services that enable the remote management of Cloudlink devices, facilitating the deployment of Genetec's next-generation physical security software for our clients.Your primary goal will be to deliver features related to device lifecycle management (enrollment, updates, etc.), application deployment, and observability of these devices in the field.We leverage cutting-edge technologies at the intersection of IoT, embedded systems, and Cloud to provide solutions that simplify our clients' operational management, while fostering collaboration by offering essential services for Genetec's application developers.Your Day at a Glance:Engage in the analysis, design, and implementation of new features for a modern connected device management platform.Prioritize quality assurance by adhering to best practices related to automated testing and integrating them into the software development lifecycle.Contribute to task effort estimation and time management to deliver solutions that meet expectations.Collaborate with your team leader to obtain high-level guidance and objectives aligned with product vision and priorities.Work with various stakeholders, including technical leads, architects, and developers from other teams.What Makes You a Strong Candidate:Bachelor's degree in Computer Engineering, Software Engineering, Computer Science, or equivalent experience.A minimum of 5 years of software development experience.Strong knowledge and experience with a modern object-oriented programming language.Fluency in both French and English, spoken and written (this position requires interactions with our international collaborators and clients).Preferred Qualifications:Knowledge of C#/.NET, Go, Rust programming languages.Experience with Linux.Familiarity with IoT technologies and remote fleet management.Experience with messaging protocols (AMQP, MQTT, etc.).Experience with containerization and orchestration engines (Docker, Kubernetes).Web development experience (HTML, CSS, JavaScript, TypeScript, React).Experience with Cloud development in a CI/CD environment.What We Offer!Attractive compensation package.Training reimbursement program.Subsidized meals at our amazing Bistro.

Welcome! We're thrilled you're considering joining our team. Are you on the hunt for an exciting new opportunity? You may have just found it!The Invoicing team at Lightspeed is a vital part of our Financial Services division. Our mission is to create and implement innovative solutions that enhance sales and pre-sales workflows while managing customer accounts receivable operations effectively. We empower businesses with streamlined financial processes, ensuring our customers receive a dependable service.As a Senior Full Stack Developer, you will take charge of developing and maintaining key features for our essential financial products. Your contributions will significantly impact our codebase, whether it’s introducing new features or fixing existing bugs. You will leverage your technical expertise to aid the team in achieving its goals, enhance our processes and tools, and engage actively in production operations, which includes participating in on-call rotations.Important: Applications are only accepted from candidates located in Canada.Your Responsibilities:Foster strategic collaboration during development planning, retrospectives, and demos;Architect and lead the design for new, large-scale features, ensuring they are robust, scalable, and maintainable;Translate high-level requirements into clearly defined development tasks and work items;Manage stakeholder expectations, priorities, release statuses, and project timelines;Lead effort estimation for sprints and product roadmap deliverables;Promote continuous improvements in our software delivery processes and practices;Mentor and coach team members, identifying opportunities for growth and career advancement;Play an active role in shaping the future engineering workforce through participation in recruitment;Provide technical guidance and process insights;Uphold coding standards and best practices by conducting thorough code reviews in a collaborative environment;Continuously enhance our existing tools and products to maintain a competitive edge.