GPTZero
GPTZero is on a mission to restore trust and transparency on the internet. As the leading AI detection platform, we empower educators, students, journalists, m…
Cloud Infrastructure Engineer
Toronto
- Skills: AWS, Kubernetes, Go, Node.js, Python, SQL, NoSQL, CI/CD pipelines, NLP workloads, Containerization
- Experience: Experience working in an early-stage startup environment
- Type: Full-time
Faire
Faire is an online wholesale marketplace built on the belief that the future is local — independent retailers around the globe are doing more revenue than Walm…
Back-end Engineer
Toronto
- Skills: Kotlin, APIs, OOP languages, Java, C#, integration tests, system reliability, customer experience, AWS, MySQL
- Experience: Bachelor's degree in Computer Science/Software Engineering or equivalent industry experience
- Type: Hybrid
Tripstack
We are travel tech entrepreneurs, changing the way millions of people travel. Our proprietary virtual interlining technology provides access to billions of tra…
Senior Software Engineer
Toronto
- Skills: Senior Software Engineer, Golang, distributed systems, relational databases, Postgres, caching, Redis, event processing platforms, Apache Kafka, Restful API development
- Experience: 5+ years of experience in Golang and understanding of CS fundamentals including data structures, algorithms, and complexity analysis (time and space); 5+ years of experience and understanding relational databases such as Postgres at scale; 5+ years of experience and understanding of highly scalable caching/no-sql offerings like Redis; 5+ years of design and architecture knowledge.
Lightspeed
Powering the businesses that are the backbone of the global economy, Lightspeed's one-stop commerce platform helps merchants innovate to simplify, scale, and p…
Senior Fullstack Developer
Toronto
- Skills: Fullstack Developer, Go Lang, React, web applications, performance, user experience, clean code, APIs, mentoring, team collaboration
- Experience: 7+ years as a Fullstack Developer
- Type: Full-time
Owl.co
Our clients are top insurance companies across North America, achieving remarkable results through our AI-powered, evidence-based platform. We are well-funded …
Backend Engineer
Toronto
- Skills: backend development, cloud services, AWS, GCP, Azure, API architecture, microservices, event-driven systems, CI/CD, DevOps
- Experience: Over 3 years of experience in backend development
- Type: Full-time
Robinhood Markets
Robinhood Markets was founded on a simple idea: that our financial markets should be accessible to all. With customers at the heart of our decisions, Robinhood…
Senior Software Engineer
Toronto
- Skills: software development, scalable systems, low latency, large scale distributed systems, REST API design, mentoring, system performance, system improvements, collaboration, product-facing features
- Experience: 5+ years of software development experience; 3+ years experience writing low latency, large scale distributed systems
- Type: Full-time
Veeva Systems
Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the…
Senior Software Engineer
Toronto
- Skills: cloud platform, enterprise applications, clinical trials, compliance, backend services, distributed system, scalable platform, open-source technologies, containerization, immutable storage
- Experience: Senior Level
- Type: Full-time
Lyft
At Lyft, our purpose is to serve and connect. To do this, we start with our own community by creating an open, inclusive, and diverse organization. Lyft’s Infr…
Senior Software Engineer - Developer Experience
Toronto
- Skills: developer tools, infrastructure, automation, continuous integration, Kubernetes, developer experience, high-level languages, GitHub repository, scalable solutions, AI-powered automation
- Experience: 5+ years of experience in software development, automation, and systems engineering
- Type: Full-time
CircleCI
CircleCI is the world’s largest continuous integration/continuous delivery (CI/CD) platform, and the hub where code moves from idea to delivery. As one of the …
Software Engineer - Pipelines Team
Toronto
- Skills: distributed systems, full stack developer, Clojure, Go, JavaScript, observability, microservices, coding, collaboration, leadership skills
- Experience: 2+ years of professional experience writing high-quality, maintainable, and testable code for distributed systems, with part of this experience as a full stack developer.
- Type: Full-time
Stripe
Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Str…
Software Engineer - Marketing Systems
Toronto
- Skills: APIs, services, scalable systems, user-first mindset, feedback, documentation, machine learning, recommender systems, distributed systems, microservices architecture
- Experience: 5+ years of experience designing, implementing, and operating large-scale, high-performance APIs and services.
- Type: Full-time
Flybits
Flybits enables our customers in financial services to provide hyper-personalized experiences through the power of data science and context-aware computing. Re…
Lead Backend Software Engineer
Toronto
- Skills: backend engineering, leadership, microservices, Kubernetes, Docker, AWS, Go, scalable, RESTful services, CI/CD
- Experience: 5+ years of experience as a software developer with a strong backend focus in an agile environment. 2+ years of experience in a leadership/mentorship role.
- Type: Full Time
Dialogue
Dialogue is the #1 virtual care provider in Canada, providing exceptional online health and wellness programs including primary care, mental health, and wellne…
Senior Platform Developer, Backend
Toronto
- Skills: Platform Development, Python APIs, PostgreSQL, AWS, Terraform, Data Warehouse Infrastructure, Workflow Orchestration, User Authentication, Service-Oriented Architecture, Event Delivery
- Experience: Several years of meaningful experience working on distributed, service-oriented architectures.
Jerry
America’s first and only AllCar™ app, Jerry is redefining and radically improving how people manage owning a car, providing personalized services and innovatio…
New Graduate Engineer
Toronto
- Skills: AI-powered, cloud, React, NodeJS, Typescript, AWS, Python, Go, data pipeline, machine learning
- Experience: No specific work experience required; internships or co-op experiences are assets.
- Type: Full-time
BitGo
BitGo is the leading infrastructure provider of digital asset solutions, delivering custody, wallets, staking, trading, financing, and settlement services from…
Senior Software Engineer
Toronto
- Skills: API, TypeScript, Node.js, PostgreSQL, MongoDB, RESTful, microservices, testing, cryptocurrencies, blockchain
- Experience: At least 6 years
- Type: Full-time
EvenUp
EvenUp is on a mission to level the playing field in personal injury cases. EvenUp applies machine learning and its AI model known as Piai™ to reduce manual ef…
Senior Software Engineer
Toronto
- Skills: backend development, distributed systems, Python, Go, Java, C++, scalable systems, APIs, cloud infrastructure, AI/ML systems
- Experience: Extensive experience in backend development
- Type: Hybrid
Acquird.io
We're one of the top retail analytic platforms that help marketing teams/brands understand their retail data and run targeted media campaigns without writing c…
Senior Platform Engineer (Python)
Toronto
- Skills: Python, Django, Celery, Backend, API Design, Microservices, B2B, B2C, SaaS, Distributed systems
- Experience: 6+ years of full stack experience building enterprise-level B2B/B2C SaaS Platforms
- Type: Full-time
Chainlink Labs
Chainlink Labs is the primary contributing developer of Chainlink, the decentralized computing platform powering the verifiable web. Chainlink is the industry-…
Senior Software Engineer, Non-EVM Integrations
Toronto
- Skills: Smart Contract Development, Web3, Blockchain Development, Decentralized Systems, API Design, Smart Contracts, Microservices Architecture, Backend Development, Concise Programming, Open Source
- Experience: 2+ years in Web3, 8-15+ years of professional programming experience.
- Type: Full time
Ether.fi
ether.fi is a rapidly growing Ethereum liquid staking protocol where stakeholders retain control of their assets. We have a thriving community and a TVL of $8B…
Blockchain Engineer
Toronto
- Skills: Blockchain, Smart Contracts, Solidity, Backend Development, Golang, Python, Decentralization, DApps, CI/CD, Microservices
- Experience: 3-4 years industry experience
- Type: Full time
Achievers
The "Achievers Employee Experience Platform™" empowers employees to recognize each other in real time and aligns them to the values and goals of the company. W…
Senior Software Engineer
Toronto
- Skills: Python, Go, PHP, GCP, Kubernetes, Microservices, React, Agile, Data Warehousing, Data Pipelines
- Experience: 6+ years
- Type: Full-time permanent
Cresta
Cresta is on a mission to turn every customer conversation into a competitive advantage by unlocking the true potential of the contact center. Our platform com…
Senior Software Engineer, Backend (AI Agent)
Toronto
- Skills: backend architectures, cloud services, AI Agents, APIs, gRPC, REST, database design, Kubernetes, Docker, cloud environments
- Experience: 5+ years
- Type: Full-time
HeyGen
At HeyGen, our mission is to make visual storytelling accessible to all. Over the last decade, visual content has become the preferred method of information cr…
Backend Engineer
Toronto
- Skills: Backend systems, API Development, Database Management, Performance Monitoring, Code Quality, Cloud platforms, Microservices architecture, Python, Golang, Java
- Experience: 4+ years of experience in backend development
- Type: Full-time
Zip
Zip is a procurement platform that simplifies the process of buying software, services, or tools for enterprises. Founded in 2020, it has developed the leading…
Senior/Staff Software Engineer, Backend
Toronto
- Skills: software engineering, API development, Python, Javascript, React, GraphQL, Kubernetes, Spinnaker, Jenkins, deploy tools
- Experience: 5+ years of software engineering experience.
- Type: Full-time
Zynga
At Zynga, we bring people together through the power of play. As a global leader in interactive entertainment and a proud label of Take-Two Interactive, our ga…
Principal Software Engineer - Compliance
Toronto
- Skills: software development, cloud infrastructure, Golang, React, SQL, NoSQL, asynchronous programming, Kubernetes, infrastructure-as-code, continuous integration
- Experience: 8+ years of hands-on experience with software programming
- Type: Full-time
CentML
CentML's mission is to massively reduce the cost of developing and deploying ML models so we can enable anyone to harness the power of AI and everyone to benef…
Senior Software Engineer, Infrastructure
Toronto
- Skills: infrastructure, machine learning, cloud service providers, GPU clusters, deployment, containerized deployment systems, kubernetes, cloud infrastructure, coding skills, hardware resources
- Experience: 4+ years of experience
- Type: Full-Time
Shakudo
At Shakudo, we are building the world’s first operating system for data and AI. We offer ever-evolving, automatically operated, best-of-breed open-source compo…
Software Development Engineer
Toronto
- Skills: Kubernetes, backend development, machine learning, multi-threaded environment, unit tests, integration tests, Typescript, Python, AWS, GCP
- Experience: 3+ years experience in backend development.
- Type: Full-time
ShyftLabs
ShyftLabs is a growing data product company that was founded in early 2020, and works primarily with Fortune 500 companies. We deliver digital solutions built …
Senior Backend Developer
Toronto
- Skills: backend development, high-performance systems, scalable systems, database design, cloud computing, AWS, server-less computing, containerization, microservices, APIs
- Experience: 5+ years
- Type: Full-Time
Enable
We are transforming the supply chain with our cutting-edge rebate management software.
Back-End Engineer
Toronto
- Skills: software engineer, high-performance applications, collaborative environment, Back-End Engineer, AI product capabilities, Enterprise SAAS, server-side components, robust, scalable, performant
Cresta
Cresta is on a mission to turn every customer conversation into a competitive advantage by unlocking the true potential of the contact center. Our platform com…
Software Engineer, Backend
Toronto
- Skills: AI Agents, Backend architectures, Scalable solutions, APIs, Cloud services, Database optimization, Kubernetes, Docker, Microservices, Server architecture
- Experience: 2+ years
- Type: Full-time
Chainlink Labs
Chainlink Labs is the primary contributing developer of Chainlink, the decentralized computing platform powering the verifiable web. Chainlink is the industry-…
Staff Software Engineer, Data Products
Toronto
- Skills: software development, distributed systems, cloud computing, big data, Golang, TypeScript, Java, Python, financial applications, data architecture
- Experience: 10+ years of professional engineering experience
- Type: Full-time
BitGo
BitGo is the leading infrastructure provider of digital asset solutions, delivering custody, wallets, staking, trading, financing, and settlement services from…
Senior Software Engineer - Crypto as a Service
Toronto
- Skills: API, back-end development, TypeScript, Node.js, PostgreSQL, MongoDB, RESTful API, microservices, unit testing, problem solving
- Experience: At least 6 years of proven experience of back-end and server-side development
- Type: Full-time
Marqeta
Senior Software Engineer - Credit
Toronto
- Skills: software development, Java, cloud computing, AWS, Kubernetes, Docker, React, distributed systems, high-performance solutions, scalability
- Experience: 5+ years
Medsender
Medsender is at the forefront of AI driven healthcare communication solutions, dedicated to improving patient care through cutting-edge tech.
Software Engineer | Developer API
Toronto
- Skills: API development, AI models, Healthcare communication, Scalability, Ruby on Rails, Service-oriented architectures, SQL databases, Python, JavaScript, Go
- Experience: 2+ years of experience as a software engineer, ideally in API development.
- Type: Full time
Forethought
Forethought is an AI-native platform for enterprise customer support, built on a multi-agent architecture for omnichannel resolution.
Senior Backend Engineer
Toronto
- Skills: AI, Backend Services, Distributed Systems, Large Language Models, AI-native Platform, Customer Support Automation, Scalability, Docker, Kubernetes, MongoDB
- Experience: 3+ years
AppLovin
AppLovin makes technologies that help businesses of every size connect to their ideal customers. The company provides end-to-end software and AI solutions for …
Backend Software Engineering Intern
Toronto
- Skills: software infrastructure, backend systems, distributed systems, mobile app monetization, ad platform, high-scale systems, performance optimization, low latency systems, header bidding, ad requests
- Experience: Junior level student in Fall 2025 with knowledge of computer science fundamentals and experience with Java, Scala is a plus.
Shakudo
Shakudo is building the world's first operating system for data and AI, offering an end-to-end OS with open-source components tailored for business needs.
Principal Software Engineer
Toronto
- Skills: distributed systems, cloud architecture, large-scale data processing, software systems, design patterns, algorithms, data structures, infrastructure as code, containerization, orchestration
- Experience: 8+ years of software engineering experience
Stripe
Stripe is a financial infrastructure platform for businesses, offering payment processing, revenue growth, and business opportunity development tools. Their mi…
Software Engineer - Infrastructure (Backend)
Toronto
- Skills: distributed systems, microservices, data pipelines, cloud infrastructure, performance optimization, microservices architecture, scalability, reliability, internal tools, collaborative
- Experience: 2-12+ years of professional software development experience
Zynga
A global leader in interactive entertainment and a proud label of Take-Two Interactive, known for games like FarmVille, Words With Friends, Zynga Poker, and mo…
Software Engineer (Backend)
Toronto
- Skills: data ingestion, large-scale backend services, SDKs, real-time ingestion pipelines, analytics systems, microservices, cloud environments, Kubernetes, AWS Kinesis, APIs
- Experience: 2+ years of professional experience in software development and backend services
BlueCat
BlueCat is a key player in the rapidly growing space of Intelligent Network Operations, providing a combination of systems for understanding and change in netw…
Senior Software Engineer
Toronto
- Skills: Golang, Rust, cloud distributed systems, Kubernetes, Redis, microservices, AWS, API, SDLC, Agile
- Type: full_time
Justworks
At Justworks, you’ll enjoy a welcoming and casual environment, great benefits, wellness program offerings, company retreats, and the ability to interact with a…
Engineering Manager
Toronto
- Skills: Golang, Ruby on Rails, Javascript, MySQL, Kafka, AWS, Docker, Kubernetes, Agile, Scrum
- Type: full_time
Achievers
The Achievers Employee Experience Platform™ is more than a thank you program. Our recognition platform inspires employees to recognize everyone, everyday, and …
Staff Software Engineer
Toronto
- Skills: Python, Go, Kubernetes, Docker, microservices, Agile, UNIX, Linux, software engineering, mentorship
- Type: full_time
Authentic8
At Authentic8, we empower organizations to redefine how digital investigations are conducted in an increasingly complex online world. With Silo for Research, o…
API Engineer
Toronto
- Skills: RESTful APIs, Python, C/C++, HTTP transactions, service-oriented design, JIRA, Git, NPM, OpenSSL, FastAPI
- Type: full_time
Justworks
Justworks helps businesses get off the ground by enabling them to focus on running their business. We solve HR issues.
Senior Software Engineer
Toronto
- Skills: Golang, Ruby on Rails, Javascript, MySQL, Kafka, AWS, Docker, Kubernetes, CircleCI, DataDog
- Type: full_time
CircleCI
CircleCI is the world’s largest continuous integration/continuous delivery (CI/CD) platform, and the hub where code moves from idea to delivery. As one of the …
Software Engineer
Toronto
- Skills: CI/CD, DevOps, Go, Kubernetes, distributed systems, machine learning, observability, AI/ML, production systems, software testing
- Type: full_time
Cloudflare
At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites…
Backend Engineer
Toronto
- Skills: backend engineer, RESTful API design, OpenAPI, Terraform, SQL, Go, containers, distributed systems, API design, software applications
- Type: full_time
Jerry.ai
Jerry.ai is America’s first and only super app to radically simplify car ownership. We are redefining how people manage owning a car, one of their most expensi…
Senior Backend Engineer
Toronto
- Skills: backend systems, scalable solutions, stream processing, Kafka, Flink, AWS, data processing, system design, architecture, performance optimization
- Type: full_time