backend developer

Python backend development meets secure REST APIs in a hybrid Calgary position supporting banking and financial services integrations. Build scalable solutions on an API gateway platform.This intermediate Software Developer backfill supports a small team building API products for a broader ecosystem. You will use Python, JavaScript, Node.js, Next.js, CI/CD...

Lead Java backend development with Spring Boot, microservices, and AWS expertise in a senior engineering capacity. Apply deep experience across modern software systems. This senior Java developer role requires 9+ years in Java development and 10+ years of overall IT experience. You will work with Java/J2EE, Spring, Spring Boot, dependency injection...

**Senior Java Spark Backend Developer Location: Montreal** **Experience Level: Senior (7+ Years)** **Pay rate:** **CAD 50-55/hr + HST** **Position Overview** We are seeking a highly skilled and experienced Senior Java Backend Developer to join our core engineering team. In this role, you will be responsible for designing, building, and maintaining...

Build backend systems in Waterloo, Ontario, with REST APIs, microservices, and event-driven architecture in a hybrid environment. Apply modern frameworks and languages to deliver reliable software. This backend developer role requires eight years of experience, including five or more years in backend development. You will work with SOAP, REST APIs,...

Elevate your career as a Senior Back End Software Developer with the Labour and Transportation Cluster in Toronto, ON. This onsite role focuses on advanced programming skills, specifically in PL/I and DB2. This position demands extensive experience in software development and analysis, with a strong focus on database requirements and coding standards. You...

Blutic is looking for experienced Senior Java Backend Developer (Java + SQL) with 7 to 15 years of experience to join our high-performing engineering team. The ideal candidate will have strong expertise in Java, Spring Framework, SQL, Test-Driven Development (TDD), and multi-threaded application development . Experience in the investment banking or...

Lead Java backend development for Citi’s rates reference data application, using Spring, scalable microservices, and low-latency engineering practices. Work within a global electronic trading platform. This full-time developer role supports Citi’s Java Server development team and modern rates reference data technology. You will build reusable services,...

Build AWS Lambda and Node.js backend solutions as a consultant supporting a major bank, with hybrid work in Downtown Toronto. Independent delivery and communication are central to this position. This AWS Node.js Backend Developer opportunity requires 5–7+ years of development experience. You will apply hands-on AWS knowledge across backend work while...

We are looking for a talented and passionate individual to join our Java Server development team and continue to evolve our next-generation rates reference data application.The successful candidate will gain valuable exposure to the Electronic Trading business and an opportunity to work on a large scale, modern technology platform with a global presence. The...

Build backend services in Python for Citi Bank from Mississauga, Ontario, using object-oriented design and Gen AI/LLM expertise in a hybrid assignment. SM Software Solutions Inc. seeks an experienced Python Developer with 8+ years of experience. You will develop reliable software solutions, analyze source code and data flows, and apply data manipulation...

Term to perm | Nöord Technologies Corporation | Canada Job Information Work Experience 8 years City Downtown Montreal North State/Province Quebec H3A Job Description At Nöord Technologies, we empower top-tier financial institutions with exceptional talent in banking and capital markets. For the needs of one of our prestigious clients, a major banking actor...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Backend Developer, Campaigns Team based in Canada.Join a collaborative engineering team building the core infrastructure behind advanced content personalization and multi-channel marketing campaigns. In this hands‑on...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Developer, AI Systems based in Canada. As a Senior Backend Developer, you will play a leading role in evolving a large-scale AI-powered recommendation engine into a modern, scalable distributed architecture. You...

Term to perm | Nöord Technologies Corporation | Canada Job Information Work Experience 8 years City Downtown Montreal North State/Province Quebec H3A Job Description At Nöord Technologies, we empower top-tier financial institutions with exceptional talent in banking and capital markets. For the needs of one of our prestigious clients, a major banking actor...

At Nöord Technologies, we empower top-tier financial institutions with exceptional talent in banking and capital markets. For the needs of one of our prestigious clients, a major banking actor in Montreal currently experiencing strong growth, we are actively seeking an experienced Senior C# .NET Backend Developer. About the Role As part of a high-performing...

Shape the future of e-commerce as a Backend Developer at Frank & Oak in vibrant Montreal, QC. Bring your PHP skills to enhance our online menswear platform. In this full-time role, you will be integral to our tech team, developing innovative backend solutions that cater to customer needs. We're seeking a talented developer with strong proficiency in PHP,...

Join Instrumentl as a Senior Backend Engineer, leading the charge in AI development for nonprofit organizations. Your expertise will directly impact tools that help secure over $1 billion in funding.In this role, you'll be responsible for shipping reliable AI features from inception to deployment. Working with a small but dedicated team, you will strengthen...

Elevate your career with Winobell as a Lead Shopify Plus Backend Developer. Drive technical architecture and develop robust ecommerce solutions for enhanced operational efficiency.At Winobell, you will own the Shopify Plus architecture and custom applications. Your expertise in Shopify APIs, GraphQL, and integrations will be crucial in identifying...

Join a collaborative engineering team as a Backend Python Developer focused on data solutions in a high-stakes trading environment. This role supports vital trading decision-making through data integrity. As a Backend Python Developer, you will play a key role in a financial institution, working on backend solutions that emphasize data processing and APIs....

Join Instrumentl as a Senior Backend Engineer, leading the charge in AI development for nonprofit organizations. Your expertise will directly impact tools that help secure over $1 billion in funding. In this role, you'll be responsible for shipping reliable AI features from inception to deployment. Working with a small but dedicated team, you will...