AI Infrastructure Engineer

ABOUT XSOLLAXsolla is a leading global commerce platform that equips developers with innovative tools and services to navigate the complexities of the video game industry. From indie developers to major AAA studios, Xsolla empowers its partners to fund, distribute, market, and monetize their games effectively. With a strong belief in the future of gaming, we are dedicated to connecting opportunities and continuously providing new resources to creators. Headquartered in Los Angeles, California, we serve as the merchant of record and have successfully assisted over 1,500 game developers in reaching wider audiences and expanding their businesses globally. Our mission is to ensure developers have everything they need to thrive in the gaming landscape.Position Overview: As a Full Stack AI Engineer, you will design and develop cutting-edge applications that power generative AI platforms.Key Responsibilities:- Architect and develop full-stack applications tailored for generative AI solutions.- Create and maintain dynamic frontend applications using Next.js with integrated API routes.- Design and implement visually engaging and responsive user interfaces utilizing Tailwind CSS / Shadcn or similar CSS libraries.- Write clean, efficient, and scalable code using Python and TypeScript.- Collaborate with various libraries or frameworks based on project needs.- Stay informed about the latest trends in AI and associated technologies, frameworks, and tools (e.g., MCP, agentic systems).- Develop APIs and infrastructure supporting LLM-based features and workflows.- Work closely with frontend, ML, and product teams to deliver seamless AI experiences.- Optimize backend systems for enhanced performance, scalability, and reliability.

About the RoleJoin us at saris-ai, an innovative applied AI startup with offices in San Francisco and Montreal, dedicated to revolutionizing the banking sector. We are addressing a monumental $100 billion annual challenge that grows exponentially each quarter, redefining the limits of multi-turn AI agent systems.Our mission is to solve complex automation issues that demand long-context reasoning, seamless tool integration within legacy systems, and adherence to stringent compliance requirements—problems that often lack straightforward solutions.We have successfully deployed real agents that manage genuine customer workflows, and as our customer base expands and our deployments grow, we are rapidly scaling our operations. We are on the lookout for passionate, technically skilled builders who wish to make a significant impact at an early stage.Our engineering team is in search of a Full Stack Software Engineer with a strong understanding of product and internal processes. You will work closely with our sales and Go-To-Market teams to optimize internal workflows and accelerate the sales cycle.

About Mistral AI At Mistral AI, we harness the transformative power of artificial intelligence to streamline processes, save valuable time, and foster creativity and learning. Our advanced technology is crafted to seamlessly integrate into everyday workflows. We are committed to democratizing AI through the development of high-performance, optimized, open-source models and innovative solutions. Our all-encompassing AI platform caters to enterprise needs, whether they are deployed on-premises or in the cloud. Among our offerings is 'le Chat', an AI assistant designed to enhance both personal and professional life. Join our vibrant, collaborative team that is passionate about the potential of AI to revolutionize society. Our diverse workforce excels in competitive settings and is dedicated to driving innovation. With team members located across France, the USA, the UK, Germany, and Singapore, we embody a creative, low-ego, and team-oriented culture. Become a part of our pioneering company that is shaping the future of AI. Together, we can create significant change. Learn more about our culture at mistral.ai/careers. Role Overview: Mistral AI is on the lookout for a Technical Lead in Applied AI who will spearhead the technical direction, execution, and delivery of intricate AI solutions tailored for our enterprise clientele. In this pivotal role, you will guide project teams of Applied AI Engineers, ensuring the successful rollout of Mistral AI products while developing impactful and scalable AI use cases. As the primary technical liaison for our most strategic clients, you will navigate them through every phase—from pre-sales to post-implementation—collaborating closely with research, product, and engineering teams to influence the future of our offerings. In your role as Technical Lead, you will connect cutting-edge AI research with real-world applications, guaranteeing that our solutions are robust, scalable, and aligned with both customer requirements and Mistral’s technological aspirations. Key Responsibilities: - As an individual contributor, deliver essential code for our complex projects, remaining hands-on to mitigate risks associated with critical components. Engage deeply in coding, reviewing, and optimizing AI solutions.

Location: US or CanadaType: US Applicants - Full-Time; Canadian Applicants - Independent ContractorAbout Human AgencyAt Human Agency, we are experiencing rapid growth and are looking for exceptional talent across various disciplines to join our innovative team. Our mission is to attract diverse individuals, from creative producers to technical experts and entrepreneurial leaders, who can help us navigate this exciting chapter of growth.We pride ourselves on being a company of doers. Our leaders are hands-on, teams collaborate openly, and every member contributes to our projects. We welcome feedback, learn swiftly, and continuously strive for excellence. Here, the best ideas prevail, regardless of their origin, as our clients rely on us to deliver outstanding results every time.Our clients’ missions, products, and bottom lines are of utmost importance to us. We immerse ourselves in their vision, acting as partners in tackling significant challenges. Every product, strategy, or asset we develop must be not only aesthetically pleasing but also functional, practical, and designed for real-world impact.We believe that our people are our greatest asset and we grow by hiring those who elevate our capabilities. Across strategy, engineering, design, data, and operations, we seek teammates who inspire us to reach new heights. Always hire up, never down.We collaborate with organizations of all sizes to explore, design, and implement secure, scalable, and human-centered AI strategies. Our conviction is that AI should enhance human potential, not replace it. We build this philosophy into every engagement, from advisory and tooling to implementation and education, meeting clients where they are and helping them integrate AI in ways that align with their mission and values. Our aim is to empower teams to work smarter, move faster, and unlock new possibilities through thoughtful, responsible innovation.Above all, we lead with purpose, love, and a sense of adventure. We engage in meaningful work with people we care about, making the journey an adventure worth undertaking. At Human Agency, our identity and our work approach are one and the same.The OpportunityAs a Senior Full-Stack Engineer at Human Agency, you will be at the forefront of shaping the future by integrating cutting-edge AI solutions with intuitive software development. We specialize in building scalable and secure SaaS applications that empower enterprise clients to efficiently solve complex challenges. Join our team and work on high-impact projects at the intersection of AI, machine learning, and secure software engineering.

About UsAt Osedea, we are a dynamic and innovative technology development company where people are at the heart of our mission. We genuinely care about our clients and the community around us, alongside fostering the personal and professional growth of our team members. We believe in the strength of community and actively seek to create meaningful connections with everyone we encounter. Diversity is celebrated in all its forms—whether it’s backgrounds, personalities, career paths, or languages. Our culture encourages innovation, learning, and storytelling that makes everyone feel welcome and included.We believe in enjoying our work and strive each day to create a more efficient and enjoyable world.Role Overview As an Applied AI Scientist at Osedea, you will be responsible for designing, developing, and deploying AI solutions that effectively address our clients' real-world challenges. You will leverage strong software engineering principles alongside hands-on expertise in AI and machine learning. Comfort in transitioning from exploratory phases to production environments is essential. You will collaborate with both technical and non-technical team members, mentor peers, and facilitate sound technical decision-making as we create enterprise-level AI solutions.

About the RoleJoin Saris AI, an innovative applied AI startup located in Montreal and San Francisco, dedicated to revolutionizing the banking industry. We are addressing a massive $100 billion annual challenge that is rapidly evolving, and we are pushing the frontiers of what can be achieved with advanced multi-turn AI systems.Our mission is to resolve complex automation issues that necessitate long-context reasoning, seamless tool orchestration across legacy systems, and rigorous compliance processes—problems that lack straightforward solutions.Having successfully deployed real agents to manage genuine customer workflows, we are experiencing rapid growth and are in search of highly technical individuals eager to make a significant impact from the start.As a core member of our Forward Deployed Engineer (FDE) team, you will play a critical role in implementing strategies across various clients while remaining actively engaged in coding.Your Responsibilities Include:Develop tailored AI features, APIs, or integrations to connect product offerings with client systems.Engage directly with clients to grasp their business objectives and technical specifications.Act as a technical advisor throughout the deployment process.Lead the comprehensive development of client-specific solutions, encompassing backend, frontend, infrastructure, and deployment tasks.Rapidly create proof-of-concepts or MVPs to validate ideas with clients.Document implementation specifics and best practices for client projects.Who You Are:Proven experience in software implementation roles such as solutions engineer or solutions architect.Strong ability to establish relationships with customers, ideally within SaaS environments.Full-stack development experience, particularly with our technology stack: NodeJS, TypeScript, Python, AWS.A talent for managing high-impact customer integrations to enhance AI-driven automation processes.Why Work with Us?

About the RoleWe are seeking two highly skilled backend engineers to become integral members of our dynamic team in Montreal and Berlin. In this role, you will be instrumental in enhancing our technological capabilities by significantly improving our core backend functionalities, thereby enabling other teams to efficiently utilize this backend.If you are enthusiastic about creating exceptional products, thrive in a fast-paced environment, and are eager to contribute to the growth of an ambitious startup, then this opportunity is tailor-made for you.Our Technology Stack:Python / FastAPIPostgreSQL / MongoDB / ElasticCloud LLM providers + bare metal GPUsGoogle Cloud Platform (GCP)Joining us as an early team member means assuming significant responsibilities from the outset, with the chance to influence our foundational technological stack and infrastructure.As part of one of the most forward-thinking AI companies today, you will collaborate with a talented team of colleagues who are leaders in their respective domains, creating an incredibly stimulating work environment. Your ResponsibilitiesOwn the delivery of complex projects, collaborating with cross-functional teams to ensure the timely completion of mission-critical components.Gain a comprehensive understanding of Reliant's overarching vision and incorporate this into your architectural and process decisions.Provide insightful feedback to refine UI/UX concepts and assist in planning backend and infrastructure enhancements.Take proactive steps to maintain long-term code quality and architectural integrity. QualificationsWe are looking for a candidate with a proven track record in backend or full-stack development, with a focus on rapid innovation and effective systems design to facilitate scalability for both opportunities and team growth.You will excel in this position if you possess the following skills and experiences:5+ years of demonstrable experience in building backend services or distributed systems.Experience in designing, building, testing, and maintaining backend services and APIs that support product features, including the ability to write robust, production-quality code.Engage in system and service design; contribute to architectural discussions and make informed decisions regarding scalability, latency, cost, and reliability.Ability to navigate ambiguity and translate high-level requirements into actionable implementation plans.Collaborate with cross-functional partners including product management, frontend, UX, data, and operations to define requirements, plan implementations, and deliver features.Ensure code quality through writing, reviewing, and enhancing unit/integration tests.

About Us:At AssistIQ, we are committed to revolutionizing the healthcare supply chain by empowering providers with the ability to generate precise data and insights regarding their supply usage. Our innovative AI-powered software solution ensures seamless tracking, real-time visibility, and actionable insights for healthcare systems, ultimately promoting waste reduction and enhancing revenue capture, leading to improved patient care and outcomes.About the Role:As a Full Stack Software Engineer, you will play a pivotal role in designing, developing, and managing the cloud-based services and web applications that drive the AssistIQ platform.We are looking for candidates who thrive in a fast-paced, entrepreneurial environment. Your primary objective will be to ensure the development of new functionalities in a practical, scalable, and maintainable manner.Success in this role requires the ability to manage multiple responsibilities simultaneously, prioritize competing deliverables effectively, communicate clearly across the organization, and maintain a focus on continuous incremental improvement.We expect you to be knowledgeable, articulate, and sensible, capable of coordinating with peers and senior executives, while collaborating to deliver results in a dynamic environment where teamwork, professionalism, confidentiality, and communication are paramount.Your Responsibilities:Design, develop, and enhance new functionalities of the AssistIQ platformOptimize the deployment process and ensure adherence to automation and continuous integration best practicesSupport the production infrastructure and our product for customersAssist internal customer support and implementation teamsDevelop internal tools to enhance our deployment, management, and monitoring capabilitiesProvide technical and analytical guidance to fellow development team membersContribute to the writing and maintenance of technical documentationEngage in planning product features and development projectsParticipate in our Agile development process and ceremonies

Join Mistral as a Forward Deployed Machine Learning Engineer in Montreal, where you will play a pivotal role in applying cutting-edge AI technologies to real-world challenges. This position is ideal for innovative engineers passionate about leveraging machine learning to develop impactful solutions.

Xsolla seeks a Full-Stack Engineer in Montreal to support the development and enhancement of its gaming platform. This position involves working on both front-end and back-end components, with frequent collaboration across various teams. Responsibilities Design, build, and maintain features for both the user-facing and server-side parts of the platform Partner with team members from different departments to implement platform improvements Location This role is located in Montreal.

Join Mila, a leading research institute in artificial intelligence, as an Applied Research Scientist specializing in AI Security. In this role, you will contribute to cutting-edge research and develop innovative solutions to enhance the security of artificial intelligence systems. Collaborate with a talented team of scientists and engineers to tackle complex challenges and drive advancements in AI technology.

About Valsoft Corp.Founded in 2015 in Canada, Valsoft Corp. has expanded its reach to a global portfolio of over 120 companies. We specialize in acquiring and developing vertical market software firms, empowering each business to provide exceptional mission-critical solutions tailored to their industry needs. Valsoft is committed to investing in established enterprises while cultivating an entrepreneurial atmosphere that transforms companies into industry leaders.We focus on building, holding, and generating value through long-lasting partnerships with existing management teams.About the RoleWe are in search of a talented AI Engineer to join our team in designing, building, and deploying intelligent systems that will drive the next generation of our products. In this position, you will operate at the crossroads of machine learning, data analysis, and software engineering, crafting AI-powered features that create tangible value for our customers.Your role will involve close collaboration with product, engineering, and data teams to convert innovative ideas into scalable AI solutions, from initial experimentation and model development through to production deployment.This is a fantastic opportunity to work with cutting-edge AI technologies and influence how artificial intelligence is integrated across our platform.What You’ll DoDesign, develop, and deploy machine learning and AI models within production environments.Create and maintain AI-driven features and services across our suite of products.Manage large datasets to train, evaluate, and enhance model performance.Implement and optimize LLM-based applications, NLP models, and recommendation systems.Collaborate with product and engineering teams to address business challenges with innovative AI solutions.Develop scalable pipelines for data processing, model training, and inference.Monitor model performance and continuously enhance accuracy, efficiency, and reliability.Stay informed about the latest advancements in AI, machine learning, and generative AI.What We’re Looking ForMinimum of 3 years of experience in AI, machine learning, or data science engineering.Proficient programming skills in Python.Experience with machine learning frameworks such as TensorFlow, PyTorch, or similar.Familiarity with LLMs, NLP, or generative AI technologies.Proven experience in deploying models within production environments.Knowledge of data pipelines, APIs, and cloud platforms (AWS, GCP, or Azure).Strong analytical and problem-solving abilities, with a knack for translating business needs into technical solutions.

Join Xsolla as a Lead AI/ML Engineer where you will be pivotal in architecting and enhancing our data infrastructure for personalization, churn prediction, and recommendation systems across our global gaming commerce platform. You will spearhead the design and optimization of machine learning algorithms using Vertex AI, create scalable data pipelines from diverse sources, and implement best practices for data quality, governance, and performance. This role merges hands-on technical leadership with collaborative cross-functional efforts, mentoring engineers, and partnering closely with data science and backend teams to deploy ML features. Reporting directly to the Director of Data Platforms, you will translate business requirements into innovative technical solutions, significantly shaping our data mesh architecture while ensuring compliance, scalability, and operational excellence as we support game developers globally.

AI Automation EngineerJoin the Aspire Software team as we innovate and grow in Montreal!Role OverviewAs an AI Automation Engineer at Aspire Software, you will play a pivotal role in designing, developing, and deploying AI agents that enhance operational efficiencies for our portfolio companies or serve as independent products for our clients. This position is not research-focused; rather, you will immerse yourself in the operations of Aspire Software and its partner companies to create AI solutions that streamline processes such as customer service, sales outreach, onboarding, and documentation.Your contributions will not only replace existing manual workflows but will also pave the way for new revenue-generating products that will be marketed to our customer bases. You will deliver impactful solutions to actual users!About Aspire Software: A proud operating group under Valsoft Corporation, Aspire Software is dedicated to acquiring and managing vertical market software companies with a long-term investment perspective. We prioritize autonomy, sustainable growth, and enduring value creation, allowing our partners to thrive while retaining their entrepreneurial spirit.The ideal candidate will work from a flexible location within commuting distance of our Saint-Laurent, Montreal office in a hybrid work model!Your Responsibilities:Build Internal AI Agent TeamsDesign and implement AI agents that facilitate operational tasks across Aspire Software and its partner companies, including customer support, sales outreach, onboarding automation, and content management.Evaluate the impact of your solutions by measuring labor hours saved and productivity enhancements.Collaborate closely with portfolio company operators to identify the most valuable automation opportunities.Develop External AI ProductsCreate innovative AI-driven products, including voice agents, AI copilots, workflow automation tools, and documentation systems specifically for Aspire's vertical markets.Oversee the product lifecycle from prototyping to launch, ensuring customer acquisition and satisfaction.Deliver and RefineRapidly transition from concept to MVP to production.Conduct beta testing with real users, collect feedback, and continuously enhance your solutions.Engage in cross-functional collaboration with product, engineering, and marketing teams.Your Profile:Qualifications:A proven history of developing products, tools, or projects, whether through professional experience or personal initiatives.Strong analytical and problem-solving skills.Excellent communication and collaboration abilities.Experience in AI technologies and automation is a plus.

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 us in revolutionizing the way businesses operate with AI agents.Over the next decade, autonomous agents are set to transform the workplace.At Botpress, we empower companies to construct and deploy sophisticated AI agents that transcend traditional conversation and integrate genuine business logic.Our platform is already operational on a large scale across various industries, regions, and countless applications.As the third fastest-growing B2B AI startup globally, we are at the forefront of the AI revolution, offering the most widely adopted platform for advanced AI agents.The journey ahead is ambitious, and the opportunities are exceptional. We take a strategic approach to growth: product-led, capital-efficient, and focused.If you are eager to contribute to foundational technology that will drive one of the most significant shifts in software, we want to hear from you!Key Highlights: Over 1 million AI agents and chatbots deployed 700,000+ platform users Trusted by 35% of Fortune 500 companies 7 years of expertise in AI solutions About the Role Design and enhance impactful features using React & Node.js (Typescript) Utilize infrastructure-as-code to optimize platform performance Develop unit and end-to-end tests for critical functionalities Implement tracking and monitoring to analyze user journeys Contribute to comprehensive product documentation

Join MaintainX, the leading mobile platform for procedure management tailored for industrial workers and frontline personnel. We are building the GitHub for real work procedures such as maintenance, safety, and operations, enhancing operational efficiency for over 12,000 companies including Duracell, Univar Solutions Inc., Titan America, McDonald's, Brenntag, Cintas, Michaels, and Shell. Recently, we secured a Series D funding of $150 million, bringing our total funding to $254 million and valuing the company at $2.5 billion. We are seeking a Full-Stack Developer to join our dynamic teams. Positions are available for intermediate, senior, and lead roles. Your Responsibilities: Collaborate with Product Managers and Designers to conceptualize new features and contribute to product roadmaps. Adopt a product mindset to understand customer activities, needs, and technical opportunities and challenges within their industries. You will work across our entire stack (TypeScript, React, React Native, Node.js, and GraphQL) for both Web and Mobile applications. Work with the team to build, maintain, and optimize product features that enhance user collaboration. Take ownership of features or systems within the team, ensuring their long-term health and the improvement of surrounding systems. Mentor other engineers and conduct thorough code reviews. Enhance engineering standards, tools, and processes, and implement industry-compliant best practices in planning, development, testing, and deployment. Be available on-call. Your Profile: Minimum 3 years of professional experience in full-stack software development, with a background in building web and mobile-based software products, particularly with TypeScript, SQL databases, React, and Node.js. Experience in iterative web development and mobile-first responsive design. Ability to write clear and maintainable code.

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.

Helios Software Group, a dynamic operating division of Valsoft Corporation, specializes in acquiring established vertical market software companies. Our unique model emphasizes long-term stewardship, combining disciplined investment with strategic operational guidance. This approach empowers leadership teams to achieve sustained performance and growth over time.Backed by the enduring capital of our parent company, Valsoft Corporation, Helios operates under a buy-and-hold strategy. This allows us the flexibility to invest patiently and commit to partnerships with businesses for decades, leveraging our strong expertise from managing over 140 software companies globally.POSITION OVERVIEWAs our portfolio continues to expand, we are on the lookout for exceptional talent to help us scale further. We invite entrepreneurial and ambitious individuals who are eager to grow alongside our evolving portfolio.The AI Product Engineer is a pioneering builder focused on employing AI to diagnose problems and develop, construct, and iterate effective product solutions. This role transcends traditional software development methodologies, moving directly from problem identification to functional solution creation, utilizing AI as the primary medium of execution. The AI Product Engineer serves as a cornerstone within our AI Pods and is instrumental in driving AI-native product development.KEY RESPONSIBILITIESAI-Driven Product DevelopmentConstruct viable product solutions through an AI-first approach.Rapidly prototype, iterate, and enhance solutions to quickly validate concepts.Leverage AI agents to generate designs, implementations, and tests.Transition directly from problem analysis to implementation without adhering to traditional SDLC limitations.Problem Analysis & Solution DesignConduct in-depth analyses of problems prior to execution.Decompose ambiguous issues into manageable components.Investigate multiple solution pathways utilizing AI.Evaluate trade-offs between speed, quality, and feasibility judiciously.Customer EngagementEngage in customer demonstrations and present working solutions.Articulate the functionality of solutions and the rationale behind design choices.Integrate customer feedback into swift iterations.Quality Assurance & IterationEnsure solutions align with both functional and non-functional expectations.Utilize AI for generating unit, integration, and UI tests.Continuously iterate based on feedback and observed performance.