java backend engineer jobs in Toronto

Build high-performance backend systems with Golang in a permanent hybrid Senior Software Engineer position focused on enterprise energy management. Shape scalable technology through microservices and cloud-native engineering. This Senior Software Engineer role centers on modernizing distributed architectures and developing intelligent, data-driven energy...

Senior Backend Engineer building SaaS systems with data, machine learning, and AI capabilities for Kaseya’s global IT platform. This hands-on senior or staff role leads backend architecture and technical direction across product areas. You will create scalable systems, integrate ML and AI into customer workflows, and collaborate with Product, Design, and...

Lead backend architecture and distributed systems engineering as a Staff Software Engineer II with KeyCite in Toronto, Ontario, using a hybrid work model. You will guide complex, business-critical initiatives from architecture through production at KeyCite. The work combines cloud-native architectures, APIs, event-driven services, and large-scale data...

Cohere is looking for a Backend Engineer to specialize in optimizing model inference systems. In this remote-first role, you will create low-latency serving infrastructure for advanced backend services. Candidates for this position must have over five years of backend engineering experience and strong programming skills in Go, Rust, or C++. You'll work on...

Build Python 3.x backend services and automation tooling at Kumaran Systems, working with REST APIs and Linux production environments. This senior engineering role requires seven-plus years of production Python development using Python 3.9 or newer. You will develop services with FastAPI, Flask, or Django REST Framework, while supporting Oracle databases,...

At Swoop, our mission is simple: Improving patient outcomes. As a market leader in AI-driven, data-powered, and privacy-compliant healthcare engagement, we connect the signals that drive earlier diagnosis, better treatment decisions, and sustained adherence.Our integrated, privacy-safe platform, enables life sciences companies to drive measurable patient and...

Movable Ink scales content personalization for marketers through data-activated content generation and AI decisioning. The world’s most innovative brands rely on Movable Ink to maximize revenue, simplify workflow and boost marketing agility. Headquartered in New York City with close to 600 employees, Movable Ink serves its global client base with...

Senior Python backend engineer sought by Beanfield, working hybrid with three office days weekly in Toronto’s Liberty Village headquarters.This senior Software Engineer builds and enhances backend systems, APIs, and data processing tools. You will use Python with Django, Flask, or FastAPI while collaborating with product managers and teammates. The work...

Location: Toronto (Hybrid preferred, remote possible for strong candidates) This is a full-stack role with a strong backend focus. About Micromart Micromart is building the platform for unattended retail. We empower entrepreneurs to turn any location into a retail opportunity, from offices and condos to gyms, hotels, and other shared spaces. Our focus is on...

Earn Up To $50/hr as an OpenClaw Agent BuilderShape the future of autonomous agents like OpenClaw. Freelance, remote, up to $50 USD/hr. Weekly payments.Trusted by 10,000+ software engineers worldwideMIN EXP REQUIRED2+ yearsPAY RATEUp to $50 USD/hrEarn Up To $50 USD/hr— Plus Additional IncentivesRates vary based on expertise and project requirements. Paid...

Join Spotify's Platform team as a Senior Backend Engineer focused on authorization and permissions systems. Leverage your backend expertise to support Spotify's growing creator ecosystem and enhance security. As a pivotal member of the Authorization team at Spotify, you will design and operate backend services crucial for managing access across Spotify's...

Elevate your career as a Senior Backend Engineer at DoorDash, focusing on product-driven tech solutions in a hybrid work model. Join a team dedicated to innovative architecture and systems. We are seeking a Senior Backend Engineer to enhance our product and infrastructure. In this hybrid role, you'll manage backend services, mentor peers, and participate in...

Lead backend architecture and distributed systems engineering as a Staff Software Engineer II with KeyCite in Toronto, Ontario, using a hybrid work model. You will guide complex, business-critical initiatives from architecture through production at KeyCite. The work combines cloud-native architectures, APIs, event-driven services, and large-scale data...

Optimize backend performance with Java, JVM profiling, and observability tools while working from home when applicable. Focus on dependable, scalable software. This Senior Software Engineer role centers on diagnosing latency, throughput, and scaling bottlenecks in high-availability, multi-tenant SaaS environments. You will design resource-protection...

Design cloud-based backend services at BlackLine while applying clean coding and troubleshooting skills in a hybrid workplace model. As an Associate Software Engineer, you will help deliver high quality releases for BlackLine customers. Your work includes backend service development, feature optimization, technology evaluation, and collaboration with other...

About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work...

Join Tech Parlee in Toronto as a Software Engineer and leverage your Java skills. This role empowers you to contribute to cutting-edge software solutions in a collaborative team environment. In this position, you will work under the Development Team Lead, collaborating with Product Owners and Architects to translate requirements into effective software...

Select how often (in days) to receive an alert: Title: Software Engineer (Java / Python) Requisition ID: 275453 Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture. We are seeking a highly skilled Software Engineer to design, develop, and support enterprise applications and data platforms. The role...

Elevate your career as a Java Software Engineer with Broadridge in a hybrid role focused on Java applications and integration solutions. Collaborate with business partners and leverage your development expertise. Broadridge seeks a seasoned Java Software Engineer to design, develop, and support its critical applications. You will build and maintain Java...

Hi, Job opening for Java full stack developer Full-stack developer, immediate opening Location: Toronto (Must be local to Toronto, able to come into office) 06 – 12 months • 80% coding, 20% design authority • Frontend: Angular; backend: Spring Boot / Java Client expect: • Java and Spring Security (primary focus) • OAuth 2 authentication, client...