Senior Software Engineer - Billing Infrastructure

Role Overview Sentry builds tools that help developers ship better software. With over $217 million in funding and more than 100,000 organizations relying on its platform, including Disney, Microsoft, and Atlassian, Sentry focuses on performance and error monitoring so teams can spend more time building and less time fixing. This Senior Software Engineer pos…

About Us:At Cohere, our mission is to enhance intelligence for the betterment of humanity. We specialize in training and deploying cutting-edge models for developers and enterprises, empowering them to create remarkable AI-driven experiences such as content generation, semantic search, retrieval-augmented generation (RAG), and intelligent agents. We believe our efforts are pivotal in advancing the widespread integration of AI.We take immense pride in our creations, and each team member plays a crucial role in enhancing our models and delivering exceptional value to our clients. Our culture is rooted in hard work and agility, always prioritizing the needs of our customers.Cohere brings together a diverse team of researchers, engineers, designers, and more, all deeply passionate about their respective fields. We recognize that a variety of perspectives is key to developing outstanding products.Join our mission to shape the future of AI!Why This Position Matters:Are you driven by a passion for secure software development? Do you aspire to be at the forefront of AI innovation while ensuring enterprise security? Join Cohere's North team as a Senior Software Engineer focused on security, and make a meaningful impact.Your Responsibilities:In this pivotal role, you will be instrumental in constructing and securing the architecture of North, our AI workspace platform. Your key responsibilities will include:Designing and deploying security features for North, our AI workspace platform.Creating autonomous agents capable of interacting securely with sensitive enterprise data.Developing minimal code that operates in low-resource environments, adhering to rigorous deployment standards.Integrating new tools to enhance the security features of North.Reinventing solutions as needed to meet stringent security and privacy requirements, sometimes necessitating the development of custom solutions.Conducting application security testing to ensure your code withstands real-world threats.Ideal Candidate Profile:5+ years of experience in software engineering with a solid emphasis on developing user-facing security features.Proficient in Python with a proven track record of deploying production-level code.Strong analytical skills and a problem-solving mindset, capable of tackling complex challenges within security frameworks.Familiarity with security testing methodologies and tools.

About CMiCLocated in the heart of Toronto, CMiC stands as a leading software company dedicated to revolutionizing the construction industry. Our innovative platform empowers construction firms to efficiently manage their vital workflows. Clients can choose between our Software as a Service (SaaS) or Private Hosted solutions, featuring specialized modules for comprehensive management of Financials, Payroll, Project Management, and Budgeting. We proudly hold a significant market presence in North America, with rapid expansion into international markets including Europe, Southeast Asia, and the Middle East.Position OverviewWe are seeking a talented Software Engineer to join our dynamic team, focusing on the development of robust RESTful APIs that will support our front-end applications. In this role, you will enhance existing APIs and design new ones utilizing Oracle ADF BC REST and Jersey frameworks. Additionally, you will engage in database-level development to ensure seamless API functionality. Your responsibilities will include:Designing, building, and maintaining high-quality, reusable, and secure code.Enhancing tools and processes related to API development.Creating comprehensive documentation for APIs, tools, and workflows.Conducting code reviews and providing constructive feedback.Diagnosing problems and proposing effective solutions.Key Information:The expected salary range for this role is between $70,000 and $115,000 annually, based on experience level.This position is an immediate opening.We prioritize a manual review process and do not utilize AI for applicant screening.

Rivian and Volkswagen Group Technologies brings together two major players in the automotive industry. This joint venture develops advanced operating systems, zonal controllers, and cloud-based connectivity to support the changing needs of electric vehicles. The mission centers on setting new benchmarks for software-defined vehicles, blending expertise in connectivity, artificial intelligence, and security to shape a smarter, more sustainable future for transportation. Role overview The Embedded Software Engineer - Infotainment role centers on redefining how drivers and passengers engage with their vehicles. The team designs digital experiences that inform, entertain, and support users throughout every journey. Core focus areas include Android development, connected automotive systems, and building on established automotive platforms. Innovation in software design remains a constant priority. Engineers in this role integrate new IoT features, enhance safety and reliability, and develop user-friendly interfaces. The work involves tackling complex technical challenges with real-world impact on mobility and user experience. Team culture Curiosity, integrity, and open-mindedness shape daily interactions. The team values growth, encourages leadership and mentoring, and welcomes contributions that influence products at the leading edge of vehicle technology. Collaboration and continuous learning are central to how the team operates. Location This position is based in Toronto, Ontario.

As a result of our continued expansion and internal advancements, we are excited to announce multiple openings for Senior Software Engineers across various domains within our organization. You will have the opportunity to work under the guidance of seasoned Engineering Managers who are committed to providing mentorship, fostering autonomy, promoting ownership, and investing in your professional development. If you are ready to elevate your career to the next level, we invite you to connect with us!This position is available in a hybrid format (2 days per week at our Toronto office) or fully remote for candidates located anywhere in Canada.

Join Sierra as a Software Engineer, Agent, where you will play a pivotal role in revolutionizing our software solutions. We are looking for innovative thinkers who are passionate about technology and eager to make a significant impact. Your expertise will contribute to developing cutting-edge applications that enhance user experiences and drive efficiency.

BitGo is at the forefront of digital asset infrastructure, offering a wide range of solutions including custody, wallets, staking, trading, financing, and settlement services, all from secure regulated cold storage. Since our inception in 2013, we have dedicated ourselves to empowering clients to safely explore the digital asset landscape. With a global footprint and multiple Trust companies, BitGo caters to thousands of institutions, including leading brands, exchanges, and platforms, serving millions of retail investors globally. As a pivotal component of the digital economy, BitGo manages a substantial share of Bitcoin transactions and stands as the largest independent digital asset custodian and staking provider worldwide. For further details, visit www.bitgo.com.This position requires full-time presence at our Toronto office to foster effective teamwork and innovative solutions.We are seeking a talented Software Engineer to join our Trade team, where you will be instrumental in developing resilient and robust services while managing critical projects with minimal supervision.

Join Klue: Pioneers in Competitive IntelligenceAt Klue, we are transforming the future of competitive intelligence. Our mission is to empower our customers with actionable insights derived from vast amounts of competitive data. Join Our Engineering Team!We are on the lookout for a Software Engineer with production experience to become a vital part of our AI engineering team in Toronto. In this role, you will be instrumental in developing and enhancing LLM-powered agent systems, converting millions of data points—including news, press releases, and CRM data—into strategic insights for our clients.This position is designed for hands-on builders. From day one, you will be shipping code into our agent architecture, collaborating with senior engineers, managing well-defined segments of larger projects, and progressively taking on greater responsibilities. If you have previously deployed a backend system and are eager to delve into retrieval, RAG, and agent infrastructure, we would love to connect with you.Your ContributionsAs part of our core AI services, you will work on:Ambient Agents of Klue: Our agent runtime that includes scheduled and event-driven agents. You'll have the opportunity to enhance existing workflows, build new scheduled agents, or refine tooling.Multi-agent Orchestrator: This service manages agents that exclusively communicate with data through MCP servers. Tasks may include integrating new MCP tools, refining prompts and streaming behaviors, or evaluating chat quality.Search and Retrieval Layer: Overseeing our query layer for Klue's data, you may add new indexes, enhance query endpoints, or improve retrieval chunking strategies.During your first six months, you will be expected to deliver small, manageable tasks under guidance, take full ownership of a feature, and gradually contribute to larger initiatives.Your RoleDeliver Backend Code: Develop and refine agent services, workflows, and MCP tools.Enhance Retrieval and Ranking: Collaborate with senior engineers on hybrid retrieval methods, query rewriting, and ranking strategies. Bring your curiosity about BM25 vs. dense vs. hybrid retrieval, and we will guide you through the rest.Conduct Evaluations: Design and execute evaluations to assess agent performance and functionality.

NetBrain Technologies, Inc. has built its reputation in no-code network automation since 2004. The company’s Next-Gen platform helps IT operations teams automate key processes across hybrid multi-cloud networks, including diagnostic troubleshooting, outage prevention, and protected change management. Today, more than 2,500 global enterprises and managed service providers rely on NetBrain’s platform. Role overview This Senior Software Engineer - Customer Engineering position in Toronto (hybrid) focuses on both customer support and software development. The role involves handling complex technical challenges from investigation through to solution, often working on issues that directly impact customers and product direction. The position is highly visible and suited for someone who enjoys solving practical problems and shaping a modern SaaS platform. What you will do Lead the resolution of complex, high-impact customer issues by conducting in-depth technical investigations, root cause analysis, and validating solutions. Act as a key connection among customers, support, engineering, and product teams to ensure timely issue resolution and alignment across stakeholders. Translate customer feedback and recurring technical issues into clear, actionable insights that drive product improvements.

About GustoAt Gusto, our mission is to empower the small business economy. We take on the complexities of payroll, health insurance, 401(k)s, and HR, allowing business owners to concentrate on their passion and their customers. With teams located in Denver, San Francisco, and New York, we proudly serve over 400,000 small businesses nationwide while fostering a workplace that reflects and celebrates the diversity of our clients. Explore our Total Rewards philosophy.About the RoleWe are seeking skilled Mobile Android Engineers with over 8 years of experience who are enthusiastic about delivering exceptional user experiences. In this role, you will create features that are not only functional but also intuitive and enjoyable for our users. You will be responsible for scaling our shared services while staying updated with the latest advancements in the Android ecosystem. Collaborating closely with teams across Product, Identity, Security, System Design, and Infrastructure, you will help build solutions that significantly impact our users. If you are passionate about developing elegant, scalable applications and want to join a dynamic and innovative mobile team, we want to hear from you!About the TeamAt Gusto, we are at a critical juncture with over 1 million monthly active users and the recent introduction of our mobile employer experiences. Our goal is to address the real challenges faced by small business owners and their employees, and we believe mobile solutions are essential for delivering impactful results. As a member of our mobile team, you will play a key role in this transformation, working alongside talented engineers and designers who are dedicated to creating a seamless mobile experience. Together, we are developing a platform that enables small business owners and their teams to flourish. If you are ready to make a significant impact in the mobile landscape at Gusto, we want you on our team!Here’s what you’ll do day-to-day:Architect, build, test, and refine Gusto’s native Android app, along with supporting mobile web views that enhance user experience.Develop, iterate, and improve product features that integrate core business functions, work tools, value-added services, and financial products.Collaborate closely with our product, design, and engineering teams to ensure high-quality delivery of mobile solutions.

Join our innovative Embedded Software team at Waabi, where you will play a critical role in the development of our state-of-the-art low-level software integration platform that facilitates communication among various modules, implements low-level control algorithms, and ensures safety compliance. This position demands hands-on engagement with actual hardware, including vehicle boards, as you strive to establish best-in-class embedded software development capabilities.In this role, you will…- Develop and implement low-level, safety-critical embedded software for truck control systems, including engine control, steering, and braking functionalities.- Integrate sensors and vehicle actuation feedback into our localization and control systems to create redundant safety mechanisms.- Collaborate closely with hardware, safety, and systems teams to design, build, and validate highly reliable next-generation systems.- Write software following industry best practices to ensure safe, reliable, and robust code.- Assist in the setup and operation of the autonomous platform, both remotely and on-site.- Work alongside other software and autonomy engineers to implement low-level functions essential for our success in the autonomous vehicle industry.Qualifications:- A minimum of 5 years of experience in embedded software development on low-level ARM microcontrollers and processors, often utilizing an RTOS.- A passion for crafting elegant yet pragmatic reusable embedded code, along with the systems needed for testing and maintenance.- Proven technical leadership skills, with a desire to mentor junior developers and collaborate across teams. Proficiency in C, C++, or Rust (with a preference for Rust).- Extensive experience in safety-critical, high-reliability software projects that adhere to industry safety standards.Additional Information:- This position is hybrid, requiring 3-5 days in the office each week, and involves close partnerships with our Compute, Hardware, and Sensor teams.

Role overview Harvey seeks a Staff Software Engineer in Toronto to drive the evolution of its AI Platform. The focus is on designing and building scalable systems that can adapt to business needs and deliver reliable performance. Key responsibilities Architect and develop essential components for the AI Platform, prioritizing both performance and scalability. Collaborate with engineers and data scientists to address complex technical challenges. Enhance the platform’s stability, speed, and overall functionality. Collaboration and impact This role works alongside a talented group in engineering and data science. Contributions will have a direct effect on the platform’s capabilities and support Harvey’s business outcomes.

Join our dynamic team as a Software Engineer II where you will spearhead the development and delivery of innovative software solutions from inception through implementation. You will take ownership of minor features that support larger projects and will work independently to determine optimal solutions for predefined challenges. Your commitment to writing high-quality code and contributing to test development will be essential to our success.At mqreferrals, participating in a rotational on-call pager duty is a mandatory aspect of the software engineering role. The specifics of this rotation may differ by team and will be detailed during the interview process.We're expanding our team and hiring multiple Software Engineer II positions.Your Impact:Design and develop high-quality products that enhance financial services for our users.Create testable, scalable systems that minimize manual tasks.Transform concepts into well-documented, maintainable code.Navigate and enhance a large codebase while resolving bugs.Simplify complex business challenges into modular software solutions.Engage in agile ceremonies, code reviews, and on-call rotations.Collaborate with cross-functional teams in a Flex-first work environment.Proactively identify opportunities for project and process improvements.Mentor junior engineers and cultivate a strong engineering culture.Design and implement solutions for large-scale financial data and compliance challenges.Debug critical production issues across various technology layers.Automate processes to enhance efficiency in strategic initiatives.

Join Nubank as a Staff Software Engineer in our innovative Crypto team! We are looking for passionate individuals who thrive in a fast-paced environment and are excited about revolutionizing the financial landscape through technology.As part of our dynamic team, you will play a crucial role in designing and implementing cutting-edge solutions that enhance our crypto offerings. Your expertise will help us deliver exceptional value to our customers while driving the company's growth.

Be a Part of Revolutionizing Finance.At Robinhood, our mission is to make finance accessible to everyone. We are on the verge of witnessing a significant wealth transfer, with an estimated $124 trillion poised to change hands over the next two decades. If you are eager to be part of this transformative era in finance, we invite you to explore this opportunity.About Our Team and Your RoleWe are assembling a world-class team dedicated to applying cutting-edge technologies to tackle major financial challenges. We seek innovative thinkers, adept problem-solvers, and builders committed to making a real impact. At Robinhood, complacency has no place; we are here to enable ambitious individuals to achieve their career best. Our high-performing, fast-paced environment is underpinned by a strong ethical foundation, with expectations and rewards both set high.Our primary aim is to lead in democratizing access to equity markets—both private and public—by facilitating on-chain asset trading that is available 24/7.As a Staff Software Engineer, you will be instrumental in advancing key projects related to Tokenization, Robinhood Chain, and the Robinhood Wallet. In this role, your leadership will be vital as you coach and elevate your peers, drive engineering excellence, and maintain the highest standards of quality.This position is located in our Toronto office, where in-person attendance is required at least three days a week.We believe in the power of collaboration that in-person work fosters, and our office environment is crafted to inspire energy, innovation, and community among high-performing teams.Your Key ResponsibilitiesLead the technical vision and execution for Robinhood Chain, the Tokenization Engine, and the Robinhood Wallet.Design, develop, and operate the essential services that power these platforms.Stay hands-on by writing production-level code, managing complex implementations, and setting standards for engineering quality.Enhance developer practices and promote the integration of cutting-edge AI tools to optimize engineering outcomes.Champion technical excellence in reliability, accuracy, observability, and security.Mentor fellow engineers and elevate the technical standards through design reviews and architecture discussions.Influence the strategic direction of the platform beyond your immediate projects.

Klue develops competitive intelligence solutions for businesses, with a growing engineering team in Toronto. The Senior Software Engineer, AI, will help shape the next generation of LLM-powered agents and advanced search systems. Role overview This position centers on designing and optimizing backend systems for agentic workflows. The work involves retrieval-augmented generation (RAG), dense retrieval, query understanding, and agentic reasoning. The goal is to deliver fast, accurate, and reliable search experiences for Klue's clients. What you will do Develop and deploy backend systems that support agentic workflows. Build retrieval pipelines, orchestration layers, and multi-step agent architectures to transform large volumes of competitive data, news, press releases, web updates, Slack, email, reviews, and CRM information, into actionable intelligence. Lead evaluation of agentic systems. Create and maintain automated, offline, and human-in-the-loop evaluation frameworks. Define success metrics and build infrastructure for continuous measurement of relevance, quality, latency, and task success. Design and refine retrieval and ranking systems. Work across hybrid retrieval, re-ranking, query rewriting, and post-retrieval synthesis. Balance trade-offs between BM25, dense retrieval, and hybrid methods to ensure agents provide timely and relevant information. Enhance LLM-powered workflows. Improve prompt design, retrieval strategies, caching, and latency to make agent responses faster, more accurate, and more reliable in production. Prioritize customer-centric development. Connect technical decisions to customer outcomes. Use insights from customer interactions to guide feature prioritization and improvements, adopting an iterative approach and measuring impact. Location This position is based in Toronto, Ontario. Learn more about Klue at klue.com.

Join the innovative team at Adaptavist Group as a Software Engineer, where you'll have the opportunity to work on exciting projects that shape the future of our software solutions. We are looking for a talented engineer who thrives in a dynamic environment and is passionate about developing high-quality software.

Since its inception, Fivetran has been dedicated to simplifying and ensuring reliable access to data, much like the electricity that powers our lives. Our platform enables customer data to flow effortlessly into their warehouses, structured and ready for querying, without the need for engineering or maintenance. We take pride in empowering organizations to harness the full potential of their data every day.About the RoleJoin our dynamic ETL Platform team at Fivetran, where we are building robust data pipelines to support the modern data architecture of thousands of companies.As a Staff Software Engineer, you will play a pivotal role in managing the core platform that underpins Census’ sync engine. Your responsibilities will include ensuring the seamless flow of customer data—on time, every time. You will design and implement significant projects like our recent Sync Tracking overhaul, which enhances our ability to capture, store, and process large datasets. This provides our customers with unparalleled visibility over their data streams, ensuring that every record reaches its destination accurately. Our team is also responsible for managing a scalable and adaptable fleet of machines to meet the evolving demands of our clients.This is a full-time, hybrid position based in our Toronto office.

At Warner Music Group, we bring together a vibrant community of music creators, technology innovators, and passionate professionals. We are dedicated to transforming aspirations into reality and fostering a deep connection between artists and their audiences. Our mission is guided by three fundamental principles that define our diverse operations: • Curiosity: We thrive when we explore new cultures and challenge boundaries. Curiosity drives our creativity and innovation, which are essential for our future success. • Collaboration: The art of music is amplified through teamwork. Great ideas, like unforgettable songs, have the power to resonate globally. We are passionate about building connections across our community of artists, songwriters, partners, and fans.• Commitment: We strive for excellence in our work and in the support we provide to our talent. Every journey in music begins with a leap into the unknown, and we are committed to integrity and delivering on our promises.Technology is integral to our operations, whether it's onboarding new artists, providing essential data to platforms like Spotify and YouTube, or guiding artists in leveraging the latest AI tools for informed decision-making. Our engineering team at Warner Music Group transforms these possibilities into reality.We pride ourselves on being home to a diverse array of artists and songwriters who contribute to our success. Thus, we are devoted to cultivating an inclusive work environment that values and respects all backgrounds and experiences. We actively encourage applications from individuals across the spectrum of diversity.Consider a career at WMG and experience the perfect blend of an innovative global music enterprise while retaining the creative essence of a nimble independent company.Position OverviewAs a Software Application Engineer, you will be instrumental in maintaining, upgrading, and supporting the technical systems that drive Warner Music Group's global operations. This hybrid role encompasses aspects of Software Engineering and Site Reliability Engineering (SRE), demanding adaptability, a broad technical skill set, and a strong commitment to customer satisfaction.

Join Waabi, a pioneering force in Physical AI, founded by the visionary Raquel Urtasun. We are at the forefront of revolutionizing autonomous transportation, developing cutting-edge technology that powers commercial autonomous trucks and robotaxis. With esteemed partnerships in AI, automotive, logistics, and deep tech, we are shaping the future of transportation.Located in Toronto, San Francisco, Dallas, and Pittsburgh, Waabi is rapidly expanding and seeking diverse, innovative, and collaborative individuals eager to make a positive impact on the world. Discover more about our journey at: www.waabi.aiYour Role:- Collaborate within a multidisciplinary team of Engineers and Researchers, utilizing an AI-first approach to ensure safe self-driving technology is deployed at scale.- Develop robust and scalable tools and frameworks that support Autonomous Vehicle (AV) development.- Lead technical discussions and architectural planning in collaboration with both Researchers and Engineers.- Mentor fellow software engineers through code reviews, design discussions, and by sharing best practices in software development.- Assist with task planning and estimation to enhance project efficiency.