java backend engineer jobs in Toronto

Staff Software Engineer, Backend (Identity Decisioning) Remote Canada At Affim, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. Affirm’s Identity team is mission‑critical to the customer checkout experience. When a customer chooses...

At Allstate, great things happen when our people work together to protect families and their belongings from life’s uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers’ evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing...

Job Location Downtown Toronto (3 days work from office) Job Description As a Senior Java Software Engineer, you will be responsible for designing, developing, and maintaining high-performance applications using Java and the Spring Boot framework. You will work closely with cross-functional teams to deliver innovative software solutions that meet our...

Job Title: Java Lead Engineer / Architect Agentic AI Location: Toronto, ON Employment Type: Full-Time Contract Job Summary We are seeking a highly experienced Java Lead Engineer / Architect to design and build next-generation distributed platforms focused on edge computing, backend services, and AI/ML enablement. This is a hands-on technical...

A digital transformation firm in Canada is seeking a Senior System Engineer to support clients with implementation projects across North America. The role demands experience in designing and deploying technical services, along with outstanding communication skills. Candidates should have a Bachelor's degree and proficiency in various scripting and...

The Role We're looking for a Staff Backend Engineer to join our Customer Value Optimization (CVO) tribe at HelloFresh. This is a high-impact individual contributor role sitting at the intersection of Data Science and Backend Engineering. You'll be the technical bridge that turns ML models into reliable, scalable production systems. You'll work across...

Affirm's engineering team is building a large-scale, fault-tolerant, and global infrastructure that is shared across multiple financial products, merchants, and vendors. We pride ourselves on our culture across engineering of writing blameless postmortems as well as writing detailed tech specs and gathering feedback before large changes to systems. The AI...

Armstrong Fluid Technology invites a senior, hands-on Enterprise Developer to join our enterprise architecture team. You will design, refactor, and migrate applications using Python, C#, and .NET while modernizing legacy systems with microservices and cloud-native approaches. You will work on AWS-based cloud deployments, containerization with...

A renowned gaming company is seeking a Senior Go Developer for a full-time, hybrid position in Toronto. The role focuses on backend microservices development in a high-scale environment. Candidates should have over 5 years of Go experience and understand Go concurrency, frameworks, and SQL databases. The position offers the opportunity to lead strategic...

Lead Python backend development for ACV’s VIN Decoder platform, working with AWS, Postgres, GCP BigQuery, and Redis. Standard Eastern Time hours support collaboration. This Senior Software Developer role sits within Platform Engineering and addresses complex data engineering challenges. You will shape architecture, build services, and support reliable...

Outlier is seeking OpenClaw Agent Builder contractors to help shape autonomous agents. This remote, freelance role offers up to $50 USD/hr with flexible, non-mandatory hours and weekly payments. Contributions support AI development and multi-step agent orchestration. Ideal candidates have 2+ years in backend engineering or AI automation, with a track...

A leading consulting firm in Toronto is seeking an experienced Developer specializing in Fintech, particularly with Progress 4GL / OpenEdge. The role involves developing solutions for the investment sector and ensuring compliance with regulatory standards. This includes solid knowledge of Canadian registered investment products such as RRSP and TFSA. The...

Outlier is seeking a skilled OpenClaw Agent Builder for remote freelance work. Shape autonomous agents, build and evaluate multi-step workflows, and help train LLMs with real-world tasks. Weekly payments and flexible hours are available. Ideal candidates bring 2+ years in backend engineering or AI automation, with experience deploying production-grade...

Outlier invites experts to shape the future of autonomous agents like OpenClaw. This freelance, remote role offers up to $50 USD/hr and weekly payments. Most contributors spend 5-10 hrs/week, with potential to scale earnings based on project needs. Join a platform trusted by thousands of engineers worldwide, where you can choose flexible scheduling and...

# **About the Role:** **Grade Level (for internal use):** 11 ### **The Team** Financial Risk Analytics (FRA), part of S&P Global Market Intelligence, delivers information-centric capital markets and risk solutions for trading desks and their risk management partners — spanning counterparty credit risk, xVA, market risk, and regulatory compliance. Our...

The Toronto-Dominion Bank (TD) in Toronto, Ontario seeks a Senior IT Developer to build and maintain high‑scale payment technology applications. You will contribute to end-to-end design, code, and collaboration with global teams, delivering reliable and scalable services in a dynamic bank technology environment. Ideal candidates bring 7+ years of...

A global IT services provider is seeking a Software Engineer skilled in Java 8 and Spring Boot for its Toronto office. This full-time position offers a salary range of CA$70,000 to CA$100,000. Candidates should have experience in developing cloud applications and RESTful APIs. The role requires strong DevOps knowledge and problem-solving skills. A...

Empower your career as a Senior Java Engineer at Agentic AI in Toronto with a hybrid work model. This role demands innovation in a technology-driven environment. Agentic AI is on the lookout for a Senior Java Engineer focused on hands-on development and innovative solution design. You’ll independently tackle complex engineering challenges, employing...

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...

If you do not have Front-Office / Buyside / or Middle-Office Investment Software trading experience. Please do not apply.What we are looking for Principal Front-Office Trading Integration Engineer / Principal Consultants you will be assessing client needs and utilizing technical expertise to identify solutions which are in alignment with CRD’s current...