backend developer jobs in Toronto

Primary Skills: A Python & AWS Developer is responsible for designing, developing, and maintaining scalable cloud-native applications using Python and AWS services. The role involves building APIs and backend solutions, automating deployments, and ensuring application performance, security, and reliability in a cloud environment.Key responsibilities...

Saatchi & Saatchi is an advertising agency with the belief that creativity, data, media and technology should all work together, and we use that to influence human behavior and drive success for clients. S&S is one of the world's largest agency networks with 114 offices and more than 6000 employees globally. Here in our Toronto office we work with some of...

Lead the engineering efforts at Okta as a Staff Backend Engineer, focusing on AI-native practices for a secure digital credential ecosystem. Influence the future of identity with reusable, tamper-proof technology. In this role, you will drive the technical direction for our Verifiable Digital Credentials (VDCs) platform. Working with a team of talented...

Job title: Senior Software Developer Location: Hybrid Employment type: Full-time, permanent Build Cloud-Scale Event Technology Streampoint Solutions powers conferences, trade shows, and enterprise events around the world. Our platform manages registration, housing, marketing, lead capture, attendee engagement, and onsite operations for complex events where...

Become a Software Developer at Perceptyx in Toronto with a hybrid work setup. This full-time role focuses on AI-driven development and platform architecture, making a significant impact. As a key member of our Integrations team, you will redefine how software is built by navigating uncertainty and collaborating closely with various product teams. Your role...

Elevate your technology career with a leading BFSI company as a Senior Java and Python Developer. Leverage your experience with microservices, backend applications, and RESTful APIs in a dynamic environment. We are seeking an experienced developer with 8-10 years of expertise in designing, deploying, and maintaining secure applications. You will utilize...

About LoopLoop is a fast-growing FinTech high growth startup that enables businesses to seamlessly manage money around the world so our clients can access more markets, accelerate their growth and simplify their operations with the only truly cross-border banking platform. Loop is enabling the next generation of businesses to thrive around the world and we...

Become a Mobile Developer at emergiTEL in Toronto, ON, focusing on SDK development for the Digital identity industry. In this role, you will drive innovative solutions for identity and fraud prevention through native SDKs for mobile platforms. This permanent role emphasizes SDK engineering over app development, demanding strong skills in Swift and Kotlin,...

7shifts is seeking an AI Delivery Engineer to join the Developer Experience squad. You will drive end-to-end delivery, shaping backend systems, data models, and agentic harnesses with AI at the core. You’ll validate outputs with engineering judgment and mentor teammates to raise overall capability across a fast-moving, hybrid-work environment. You’ll...

Overview Saatchi & Saatchi is seeking a Lead Developer for an innovative AI platform initiative. You have 8+ years building production software systems and at least a few years leading or anchoring a team technically. You are a hands‑on builder and you hold the architectural picture of a multi‑tier platform — React frontend, Spring Boot backend,...

We are seeking a Senior Full Stack Developer with strong expertise in Angular, Java, Spring Boot, Node.js, and microservices. The role focuses on building production-ready applications, modernizing platforms, implementing secure cloud-native solutions, and integrating AI-assisted and agentic AI development workflows. Top 3 Skills Full Stack Development:...

Mosaic Clinical Technologies is seeking a Senior Full Stack Developer to advance innovative imaging solutions. This hybrid role in Toronto involves cloud-native app development and AI integration with healthcare systems. As a key member of the team, you will design and maintain scalable infrastructures, develop APIs, and optimize AI pipelines. This position...

ABOUT ODAIA ODAIA noun o·da·ia | 'oh-day-yeah An Ancient Greek word referring to "ōdē," the word for song and the root of melody, harmony, and orchestra. We chose it deliberately: the best commercial intelligence doesn't just inform it orchestrates. ODAIA delivers AI-powered commercial intelligence for life sciences - unifying data, accelerating...

Drive innovation in banking as a Senior Full Stack Developer for Tangerine's 12-month maternity contract. This role combines backend and frontend expertise using technologies like Node.js and Java. As a Senior Full Stack Developer, you will design, build, and maintain full stack solutions crucial for digital banking. Collaborating with product managers and...

Sr Applications Developer - GoLang #107494Start/End Dates: 2026-09-29 - 2027-03-28Work Location: downtown Toronto, near TTC and GOJob Title: IT - Applications Developer - SeniorJob Title: Sr Applications Developer - GoLangLine of Business: ASG - Capital MarketsTarget rate range: $80-85hr B2BTarget Start Date: Oct 26thDuration: 6 monthsPotential for this...

Join Localcoin's mission as a Senior Java Developer with a hybrid work model based in Etobicoke, ON. Drive innovation in back-end development within a fast-growing team. As a Senior Java Developer, you'll be instrumental in creating robust back-end applications that drive our digital currency operations. This position requires collaboration with both...

Job ID: 26-17718Job Title: Senior Software Developer- Front EndLocation: Toronto, ON (Onsite)Duration: 200 Business Days with possible extensionClient: Public SectorPay Rate: CAD $90 per hourRole OverviewWe are seeking a Software Developer - Front End to design, develop, and support modern, cloud-native web applications within an Agile delivery environment....

Elevate enterprise contact centers as a Senior Java Developer at Miratech. You'll design and build robust routing engines to optimize voice and digital interactions at scale. Miratech is seeking a Senior Routing Engine Developer to enhance enterprise contact center operations. With a focus on Java and Spring Boot, you'll create intelligent routing...

Unlock your potential as a Senior Python Developer supporting the Total Fund Management Portfolio Management Technology team. This role offers high autonomy and the chance to create impactful software solutions. You will own project timelines and proactively manage execution risks while independently designing backend services and RESTful APIs. Your role...

Drive innovation as a Senior API Developer in Toronto, ON, focusing on cloud migration strategies. This hybrid role emphasizes expertise in REST APIs and microservices for application modernization. As a key contributor, you'll lead the analysis and migration of Azure and PCF applications to Atlas. Your responsibilities will include refactoring backend...