java backend engineer jobs in Toronto

Staff Software Engineer, Backend Platform Toronto, Canada Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this...

A growing SaaS company that builds financial software for the education sector. Its platform handles payments, accounting and reporting for school organizations across North America, giving them real-time oversight of funds collected through cash, cheque and digital channels. The business operates at real scale and is investing heavily in cloud-native,...

About Genius AI Genius AI is building technology to help local businesses run themselves. Genius AI products do the admin work that keeps practitioners from the work they love and the people they serve. From GlossGenius to Reception, its products work 24/7 on busywork like booking, marketing, client management, finances, staff and inventory management, and...

Take your software engineering career to new heights with Asepha as a Senior Software Engineer in Toronto or New York. Focus on backend development and AI integrations that redefine medication management. As a key team member at Asepha, your role is integral to shaping our engineering direction and delivering innovative solutions in pharmacy technology....

Build secure identity services at Affirm using Python or Kotlin while working remotely from eligible Canadian provinces. Authentication is central to this customer-facing engineering work. As a mid-engineering Software Engineer II in Information Security, you will contribute to customer identity and access management capabilities. You will develop backend...

This role spans everything our customers touch: the integrations that turn raw vehicle telematics from 330+ providers into clean data, the public APIs enterprises build against, the dashboards they work in, and the ingestion platform underneath it all. It is a mix of product and backend engineering, shaping the APIs and deeper backend components our...

Job Title: Software Engineer - Strong Java, Python and Linux experience Location: Toronto, ON - Canada (Onsite/ Hybrid) Employment Type: Contract In-Person Interview: Yes About Smart IT Frame: At Smart IT Frame, we connect top talent with leading organizations across the USA. With over a decade of staffing excellence, we specialize in IT, healthcare, and...

Astra-North Infoteck Inc. in Toronto, ON is looking for a Senior Full Stack Developer to design, build, and operate modern web applications and resilient backend services using Angular and Java. In a hybrid setup, you will collaborate in Agile teams, shape API design with REST and GraphQL, and drive CI/CD, security, and performance across the full...

Apex Systems in Toronto, ON, is seeking an expert Full Stack Designer/Developer for a hybrid role with Mondays on-site and a first-Friday on-site requirement. The position focuses on designing, building, and maintaining scalable full-stack applications across frontend and backend, APIs, microservices, and cloud deployments.You'll work closely with product,...

A tech development agency is seeking a .NET Developer to build backend systems and APIs while collaborating with frontend teams. The ideal candidate should have strong experience with .NET and C#, knowledge of RESTful APIs, and database management skills. This position offers remote work options and the opportunity to work on diverse projects across various...

A culture and arts platform is seeking a Mid-Senior Back End Developer in Ottawa to enhance its API for the Amuse platform. Candidates should have experience with Go or equivalent languages, and a knack for data analytics and GIS applications. This fully remote role offers equity, generous vacation, and collaborative team dynamics. Join us to enrich the...

A leading streaming service in Toronto is looking for a Senior Software Engineer specializing in Rust. In this role, you will lead the development of backend services and tools, focusing on high-performance system architecture. Candidates should have at least 4 years of software development experience, particularly with Rust, and be enthusiastic about...

You are as unique as your background, experience and point of view. Here, you’ll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll...

Nasdaq, Inc. in Toronto is seeking a Software Developer to join a growing team serving US exchange operations and our Ocean trading systems, with support beyond normal hours.This hands-on role rewards technical sharpness and a fast-paced environment where the software you build fuels global trading infrastructure. You will design, develop, test, and deliver...

Tata Consultancy Services Canada Inc. is seeking a Big Data Engineer to design and maintain robust data pipelines using Apache Spark, Scala, and Java for enterprise analytics.You will ingest, transform, and optimize large datasets, focusing on performance and cost efficiency while collaborating with data scientists and infrastructure teams. You will also...

A leading technology solutions provider in Toronto seeks a Senior Full Stack Developer with expertise in Java, Spring Boot, and Angular. The successful candidate will design and develop enterprise-grade applications and collaborate with cross-functional teams. We are looking for someone with over 8 years of experience in software development, strong coding...

Kumaran Systems is seeking an experienced QA Automation Engineer to help build reliable software QA systems in North America. You will design, implement and maintain automated tests across UI and API layers, leveraging Selenium, Playwright and GenAI-assisted tooling.In this role you will collaborate with developers, QA engineers and product teams in an Agile...

InfiCare Staffing is seeking a technical Senior QA for a backend-heavy role focusing on high-volume trade simulation and data integrity. You will build Python automation to simulate thousands of real-time trades, validate ETL/ELT processes in AWS, and run complex SQL across multiple databases to ensure data accuracy and timeliness. The role requires English...

Venn Software Inc. is building a disruptive fintech platform in Canada and is hiring a senior backend engineer. You will lead the development of financial services products (transfers, cards, lending, etc.) from the ground up and ensure production-ready systems. You will collaborate with product, sales, and operations to address customer pain points and...

Build AI platform infrastructure with Python or Kotlin as a remote Senior Backend Engineer at Affirm, serving teams and production workloads. This senior-level role owns technical decisions and projects across design, launch, and on-call. You will build highly available distributed systems using AWS, MySQL, and Kubernetes. Your work supports LLM gateways,...