Jobs for java backend developers at Ottawa

Pentangle Tech Services | P5 Group is seeking a Software Engineer with 5+ years in Python, C, and C++. You will design and implement Java-based components for the LCC subsystem, leverage Docker/Kubernetes for microservices, and integrate SQL storage with secure cryptographic practices. You will develop gRPC and REST APIs and work with JSON/YAML/XML/Protobuf...

Introduction At IBM Software, we transform client challenges into solutions. Building the world’s leading AI-powered, cloud-native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a global scale. Working in Software means joining a team fueled by...

A leading tech company is looking for a Full Stack Engineer to join their innovative team. This role involves building features to enhance their mission in the automotive industry. You will work on high-performance, customer-facing pages while fostering a collaborative environment. The ideal candidate has strong skills in modern JavaScript development and...

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Affirm is building the next generation of customer identity and authentication. This role is a hands-on engineering position inside Information Security, focused on designing and...

Fable is seeking a senior software engineer with deep backend expertise, full-stack skills, and hands-on AI-powered development experience. You will own complex software from idea through production, partnering with product, design, and SRE to deliver scalable customer-facing products and AI-enabled workflows.Reporting to the Director of Engineering, you...

Remote CanadaAffirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.Engineering owns cost visibility and optimization across affirm's cloud and AI infrastructure. We're the team that tells the business what it's spending, why it's changing,...

Remote Robotic Systems, a Canadian robotics and defence-tech company, is hiring a Full Stack Developer for a web platform that provides access to a tactical drone simulator and training material. The first release is planned for September 2026. You will work with the technical lead, shape the architecture, data model, and security approach, and implement...

A leading technology firm in Canada is seeking a Senior Software Engineer / Coding Expert for a part-time, project-based contract. The role involves assessing and refining AI-generated code, designing unit tests, and providing technical feedback. Ideal candidates should have over 6 years of software engineering experience, particularly in backend or...

A leading mobile application provider is looking for a Staff Android Engineer to enhance their product with innovative features. This role involves collaborating with a cross-functional team to develop consumer-facing applications that improve safety and communication for families. Candidates should have over 8 years in Android app development, a background...

Hiring in Canada(Remote) | Senior Full Stack Engineer – Agentic AI (Backend-Leaning) What “Full Stack” Means Here Strong backend focus UI knowledge required, but backend services, integrations, and workflows matter most No expectation of “perfect” full-stack — realism matters You should have experience with: Building AI-powered or...

Jobtailor is seeking a proficient software test engineer to develop scripts across Python, Java, and JavaScript, and to simulate various management activities and network scenarios on a web-based platform. You will design and run test plans, investigate defects, and maintain regression and performance test beds while publishing results and enhancing tooling...

What we’re looking for We are looking for a motivated Senior Software Engineer I (Backend) to be part of the User team in Canada. The User team is responsible for supporting Authentication & Authorization within the SurveyMonkey product, as well as providing backend services for managing user accounts and teams. We are looking for a talented engineer who...

Solace is seeking a skilled software engineer to build end-to-end features for the Solace Agent Mesh, spanning React frontend components and robust backend services. You will participate in requirements, design, implementation, testing, and deployments, collaborating across teams to deliver high-quality software.The role emphasizes full lifecycle...

Solace Corporation is seeking a maternity-leave replacement Full-Stack Software Developer. You will design, develop, and deploy enterprise and cloud-native apps (including Solace Cloud) across AWS, Azure, GCP and on-prem Kubernetes/Docker.The role emphasizes delivering features, testing with automation, and collaborating in an agile team. You should bring a...

Join the team that is building a trusted internet for Canadians! CIRA may be best known for managing the .CA domain but our impact reaches far beyond that. We're at the forefront of advancing cybersecurity technologies and leading projects that improve the digital experience for users across Canada and the world. Our broad scope of activities is driven by...

A leading global engineering design house is seeking a Senior Android Developer in Ottawa. The role demands expertise in Bluetooth technology, clean architecture, Jetpack Compose, and proficiency in Kotlin and Java. This position offers the chance to work on in-house projects and on-site assignments, fostering a dynamic work environment with excellent career...

A leading clean energy software firm is seeking a Full Stack Intermediate Developer to join their dynamic team in Montreal. The ideal candidate will have extensive expertise in C# and .NET for backend development and React for front-end development. Responsibilities include design sessions, code development, problem-solving, and participating in agile...

Jobgether is seeking a senior full-stack product engineer to build reliable, production-grade web software end-to-end. You’ll work in a small, accountable pod with product and domain experts across frontend, backend, databases, cloud infrastructure, testing, and production operations. You will turn ambiguous requirements into clear, testable solutions...

A Canadian technology firm is seeking a Senior Software Engineer to support the Canadian Armed Forces as part of the LC4ISR program. The incumbent will design and implement systems critical for military operations. Candidates should have at least 10 years of software development experience and hold an active SECRET security clearance. Proficiency in Java and...

Pentangle Tech Services | P5 Group is seeking a Software Engineer with 5+ years in Python, C, and C++. You will design and implement Java-based components for the LCC subsystem, leverage Docker/Kubernetes for microservices, and integrate SQL storage with secure cryptographic practices.You will develop gRPC and REST APIs and work with JSON/YAML/XML/Protobuf...