java backend developers

Senior Java development in Toronto, ON, centers on Spring Boot, scalable microservices, and clean code. Build applications that support products at Triunity Software. Triunity Software seeks a Senior Java Developer to design and maintain Java applications and microservices. The work includes Spring frameworks, RESTful APIs, cloud platforms, databases,...

Select how often (in days) to receive an alert: We create photonic solutions to shape the world of tomorrow, together with people who embrace brilliant ideas with openness and curiosity.With teams in over 80 countries, we offer you the opportunity to reach your full potential. Job ID: 5039 Location: Mississauga, ON, CA Date: Sep 28,...

Elevate production scheduling systems at HelloFresh as a Senior Backend Developer. This role focuses on backend architecture using Python and FastAPI to optimize meal production workflows. The Production Scheduling Technology team is looking for a skilled backend engineer to enhance their automated planning systems. You will work with a modern tech stack,...

Senior Rust Backend Developer roles at Adastra focus on APIs, distributed applications, and fully remote work across Canada. Build reliable software as a contractor.This senior position applies Rust and software engineering expertise to backend services, APIs, and distributed applications. You will design software, contribute to architecture discussions, and...

Join Amazon's Route 53 Domains team as a Backend Software Developer. Tackle high-availability backend services while collaborating across AWS to drive security and efficiency in domain management. This role requires a skilled developer with over four years of experience in software design and architecture. You will contribute to system designs, perform code...

Join Amazon's Route 53 Domains team as a Backend Software Developer. Tackle high-availability backend services while collaborating across AWS to drive security and efficiency in domain management. This role requires a skilled developer with over four years of experience in software design and architecture. You will contribute to system designs, perform code...

Full-time · Sun–Thu, 40 hours/week · 2 openings. Senior NestJS/Prisma engineer for LMS, auth, exams, and notifications. Senior only.Make The Maker is expanding a multilingual educational platform built with modern TypeScript. We need a senior backend developer to implement core educational features in our NestJS backend: AI, ESB, streaming, meetings,...

Build scalable APIs from Kimberley as a Senior Backend Software Engineer, using RESTful design, GraphQL, and microservices architecture expertise.This senior role focuses on backend development for core products and services. You will design robust APIs, manage data efficiently, and write maintainable code. Collaboration with frontend developers, product...

Build secure identity services at Affirm using Python or Kotlin while working remotely from eligible Canadian provinces. Authentication is central to this customer-facing engineering work.As a mid-engineering Software Engineer II in Information Security, you will contribute to customer identity and access management capabilities. You will develop backend...

Design and develop scalable backend systems for blockchain trading bots with MongoDB, Redis, and Web3 integration. 01 About UsAt Transactix, we're on a mission to build Canada's next-generation payments infrastructure through CADX™ and the Open Value Network™. We believe in creating an interoperable and transparent financial rails for Canadians, merging...

Senior Rust Backend Developer roles at Adastra focus on APIs, distributed applications, and fully remote work across Canada. Build reliable software as a contractor. This senior position applies Rust and software engineering expertise to backend services, APIs, and distributed applications. You will design software, contribute to architecture discussions,...

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the...

Build production Python applications in Montreal on a hybrid schedule, using backend systems, APIs, and databases to solve complex problems.This early-career developer role suits candidates with up to four years of experience. You will work alongside senior developers while exploring cloud platforms, distributed systems, scalable backend architectures, and...

Full-time · Sun–Thu, 40 hours/week · 2 openings. Senior NestJS/Prisma engineer for LMS, auth, exams, and notifications. Senior only.Make The Maker is expanding a multilingual educational platform built with modern TypeScript. We need a senior backend developer to implement core educational features in our NestJS backend: AI, ESB, streaming, meetings,...

Become a founding Backend Developer at Storycraft and help create scalable servers for an innovative mobile game. Engage in design, API development, and cloud environment configuration. As part of the founding team, you will play a critical role in shaping the architecture and culture at Storycraft. Collaborate closely with the AI Developer and Senior Game...

Build scalable Node.js microservices for BlackBerry Radar, using AWS, Redis, MySQL, and Elasticsearch across real-time IoT systems. As a Senior Full Stack Developer, you will help expand Radar’s cloud platform within BlackBerry’s engineering team. Your work spans backend development, data-intensive telemetry systems, React, and architectural decisions....

Chrome Technologies, bureau de Québec, cherche un Développeur senior Java/Spring Boot spécialisé en architecture microservices pour rejoindre son équipe. Poste permanent en mode hybride. Le candidat prendra en charge le cycle backend complet, du squelette Spring Boot jusqu'au déploiement Docker, avec Java 21, PostgreSQL, Hibernate et Spring Cloud...

Citigroup Inc. is seeking a seasoned Senior Java Back-End Developer to lead end-to-end technical design and delivery of mission-critical systems.You will own architecture decisions, mentor senior engineers, and partner with product, security, and platform teams to build scalable, reliable, and secure distributed systems. The role emphasizes hands-on...

Reuters in Toronto, Canada is seeking a hands-on Senior Software Engineer with strong DevOps and cloud platform expertise. You will design, build, deploy, and operate scalable cloud-native services using Java, Spring Boot, AWS and PostgreSQL, while owning CI/CD pipelines and infrastructure as code.You will partner with Product, Architecture, Security and...

Role: Full Stack engineer – (Backend heavy) – Java with ReactLocation: Toronto – 3 days a week hybridStrong hands-on experience with Java/J2EE , Spring , Spring Boot, and dependency injection frameworks.Proficiency in React.Js , AngularJS , HTML5 , CSS3, and CMS platforms (e.G., WordPress).Experience with REST/SOAP APIs, microservices...