backend developer

Required Technical Skills & Qualifications Experience: 8+ years of professional software development experience focusing on enterprise Java backend applications. Deep proficiency in Core Java (Multithreading, Concurrency, Collections, JVM internals). Extensive hands-on experience with Spring Boot, Spring MVC, Spring Data JPA, and Spring Security / OAuth2...

The world isn’t standing still, and neither is **ATS Life Sciences** - We don’t follow the trends. We set them! Are you interested in being part of a team that makes a difference? Join our growing **ATS Life Sciences Systems** team a division of ATS Corporation, a publicly traded global enterprise with a proud history, we are helping advance the...

# Backend Rust DeveloperCapco · Canada · Senior · HybridView & Apply## About the RoleWe are looking for an experienced Backend Rust Developer to design, build, and maintain high-performance, reliable, and secure trading software systems.You will bring 7+ years of relevant software engineering experience, with strong expertise in Rust and systems...

# Backend Rust DeveloperCapco · Canada · Senior · HybridView & Apply## About the RoleWe are looking for an experienced Backend Rust Developer to design, build, and maintain high-performance, reliable, and secure trading software systems.You will bring 7+ years of relevant software engineering experience, with strong expertise in Rust and systems...

# Backend Rust DeveloperCapco · Canada · Senior · HybridView & Apply## About the RoleWe are looking for an experienced Backend Rust Developer to design, build, and maintain high-performance, reliable, and secure trading software systems.You will bring 7+ years of relevant software engineering experience, with strong expertise in Rust and systems...

About the roleParabellyx Cybersecurity is hiring a mid-to-senior Full Stack Developer, weighted toward the backend, to build and run the data and scanning engine behind Luma. You will own the pipeline that turns raw scan results into the insights clients see, plus the APIs and databases underneath.Luma is our client-facing security platform. Luma Perimeter...

Transform healthcare experiences with PocketHealth as a Backend Software Engineer. Collaborate with a skilled team to enhance patient services across North America while utilizing innovative tech solutions. In this senior role, you will be integral to the Patient Core team, working on scalable backend services that empower patients to access and share their...

Transform healthcare experiences with PocketHealth as a Backend Software Engineer. Collaborate with a skilled team to enhance patient services across North America while utilizing innovative tech solutions. In this senior role, you will be integral to the Patient Core team, working on scalable backend services that empower patients to access and share their...

**Job Title:** Backend Python Developer - GenAI Focus **Position:** We are seeking an accomplished Backend Python Developer with expertise in GenAI technologies to join the team and drive key initiatives forward. **Responsibilities** - Design, develop, and implement scalable solutions using Python and React within a dynamic, agile team. - Leverage...

Expert C# Software Developer — Backend APIs & Services — MontrealA mobility player is looking for an expert C# developer to build API integration services and reusable microservices. Long-term engagement, hybrid Montreal.A mobility player is evolving its partner integration platform and is looking for an expert C# software developer.ContextThe team...

About us At Leap Tools, we are building the world's most advanced solutions for the interior décor industry. With customers in 80+ countries, our clientele includes Fortune 500 companies such as Home Depot, local retailers such as Alexanian's, and everything in between. We have been recognized as one of the fastest‑growing tech companies by Deloitte for...

Affirm, Inc. is seeking a senior engineer to own workload safety standards for its EKS fleet and drive end-to-end enforcement across the organization. You will lead design reviews, mentor engineers, and advance automation and guardrails to keep workloads compliant from day one. The role emphasizes deep Kubernetes expertise, Go or Python proficiency, and a...

Build Python backend services and APIs as a Senior Software Developer in Toronto, using FastAPI and SQL within a hybrid schedule. Working in DNV’s Data & AI Engineering section, you will design, develop, test, and maintain scalable platform capabilities. The role combines API development, data modeling, cloud-native technologies, and backend engineering....

Build Python backend services and APIs as a Senior Software Developer in Toronto, using FastAPI and SQL within a hybrid schedule. Working in DNV’s Data & AI Engineering section, you will design, develop, test, and maintain scalable platform capabilities. The role combines API development, data modeling, cloud-native technologies, and backend engineering....

Affirm, Inc. is seeking a senior engineer to own workload safety standards for its EKS fleet and drive end-to-end enforcement across the organization. You will lead design reviews, mentor engineers, and advance automation and guardrails to keep workloads compliant from day one. The role emphasizes deep Kubernetes expertise, Go or Python proficiency, and a...

Tucows is a remote-first backend engineering role for Canada, building open‐internet products across domains, Ting, and Wavelo. Collaborate with frontend developers to define clear and consistent API endpoints, request/response formats, and data contracts. Design and optimize database schemas, write performant SQL queries, and ensure data integrity and...

A financial services company in Toronto is seeking an E-Banking Java Developer at the entry level. This role involves developing backend applications with Java 17+, designing microservices architecture, and creating RESTful APIs for digital banking solutions. Ideal candidates should have a strong understanding of Java and Spring Boot, along with the ability...

A financial services company in Toronto is seeking an E-Banking Java Developer at the entry level. This role involves developing backend applications with Java 17+, designing microservices architecture, and creating RESTful APIs for digital banking solutions. Ideal candidates should have a strong understanding of Java and Spring Boot, along with the ability...

Build backend applications with Node.js and AWS Lambda for Dawn InfoTek Inc. in a hybrid Toronto Downtown consulting assignment. Two office days weekly are required in Toronto Downtown while supporting a leading Canadian bank through Dawn InfoTek Inc. This AWS Developer role centers on backend development, cloud services, and practical software delivery.Dawn...

BUMP provides secure charitable lottery and fundraising platform solutions to most recognizable professional sports foundations and well-known and distinguished not-for-profits across North America. Our Mission is to be the most valued partner to charities and not-for-profits, providing fundraising products, services, and creativity, with the goal to...