senior back end engineer javaolap jobs in Toronto

About the job RQ07898:Senior Back End Developer Responsibilities: Responsible for managing the interchange of data between the server and the users. Required to translate technical systems specifications into working, tested applications. This includes: developing detailed programming specifications, writing and/or generating code, compiling data-driven...

# Software Developer - Back End - SeniorToronto, ON, CanadaApply NowContractWorkspaceOn-SiteStart Date2026-11-02Job TypeClientLabour and Transportation ClusterHourly Wage74-87End Date2027-09-30## Job DescriptionResponsibilities / Deliverable / Skill Set Requirements – · Analysis leading to detailed information related to the current system logical and...

Senior Back End Engineer (C#.Net, Azure) Toronto, ON ( Fully Remote) 1-year contract with the possibility of extensionDesign and develop elegant back-end cloud solutions which are end-to-end: technical analysis, data implementation/architecture, unit testing, development, and integration testing.Support in the maintenance of existing software...

A leading financial services firm is seeking a Senior Back-End Java Developer to support the modernization of their Foreign Exchange platform. The role involves developing high-performance back-end components and RESTful APIs, focusing on integration across banking systems. Ideal candidates have over 7 years of Java experience, particularly in FX or Capital...

Elevate your career as a Senior Back End Developer specializing in C++ and Python within the innovative geoscience sector in Toronto, ON. This hybrid role requires collaborative efforts to create cloud-based modeling workflows. Join a reputable client leading in geoscience advancements while developing scalable Python back-end services and modern...

RQ09300 - Software Developer - Back End - Senior Job Openings RQ09300 - Software Developer - Back End - Senior About the job RQ09300 - Software Developer - Back End - Senior Responsibilities / Deliverable / Skill Set Requirements Analysis leading to detailed information related to the current system logical and physical design and code structures during the...

Client: Ministry of Public and Business Service Delivery and Procurement – RQ11685 We are seeking a Senior Back-End Software Developer with extensive experience in IBM mainframe technologies, PL/I programming, IMS databases, DB2 for z/OS, XML processing, and mainframe-to-mid-tier integration. The ideal candidate will have strong expertise in mainframe...

Elevate your career as a Senior Back-End Java Developer with TD Securities in Toronto, Ontario. Focus on building robust back-end services and APIs while collaborating with industry professionals. As a key contributor within the Atomic Innovation team, you will be responsible for developing scalable back-end solutions using Java and Spring Boot. Collaborate...

Toronto, Canada About Forma.ai: Forma.ai is a Series B startup that's revolutionizing how sales compensation is designed, managed and optimized. We handle billions in annual managed commissions for market leaders like Edmentum, Stryker, and Autodesk. Our growth has been fuelled by our passion for fundamentally changing and shaping how companies use sales...

Back End Engineer (C#.Net, Azure) Toronto, ON (fully remote) Fully Remote 1-year ( with the possibility of extension)Design and develop elegant back-end cloud solutions which are end-to-end: technical analysis, data implementation/architecture, unit testing, development, and integration testing.Support in the maintenance of existing software systems.Performs...

Seeking a Senior Back-End Engineer to architect and develop a complex, event-driven platform using TypeScript and NestJS, integrating AI capabilities and managing distributed systems.

Seeking a Senior Back-End Engineer to architect and develop a complex, event-driven platform using TypeScript and NestJS, integrating AI capabilities and managing distributed systems.

Job Title: Software Developer - Back End – Senior (IMS/DMS) Location: Toronto, Ontario M3M 0B4 Work Model: Hybrid Duration: 11 months Security Clearance: CRJMC Must Haves Experience with z/OS V2.2 or higher. Expertise using file and database management tools (either File Aid V10.1 or higher, or IBM File Manager V13.1 or higher) Experience with IMS DB V12...

Since 2015, Mejuri has reimagined what fine jewelry can be in a modern world—shifting it from a traditional gift to to a personal choice rooted in self-expression. Founded by third-generation jeweller Noura Sakkijha, the brand was built on a simple idea: fine jewelry shouldn’t require a special occasion, and it should never come with guilt. It’s about...

As a Back-end Software Engineer within Group Functions Technology, you will be a key member building technology which supports our global operations. The ideal candidate has a curious mind, a thirst for knowledge, a desire to understand how technology works and a passion for high quality software engineering. You have solid software engineering fundamentals...

Toronto, CanadaAbout Forma.Ai: Forma.Ai is a Series B startup that's revolutionizing how sales compensation is designed, managed and optimized. We handle billions in annual managed commissions for market leaders like Edmentum, Stryker, and Autodesk.Our growth has been fuelled by our passion for fundamentally changing and shaping how companies use sales...

Bree is expanding its engineering team in Canada to deliver scalable, AI-assisted financial services. You will own major product areas from discovery through production, collaborating with Product, Design, CX, and other engineers to shape solutions and release features.The role emphasizes architectural decisions, platform modernization, and reliable,...

Docebo is seeking a Senior Product Engineer II who bridges frontend, backend, and platform work to own features end-to-end. You will design data models, APIs, and integration points while shaping scalable solutions across teams. You’ll mentor engineers, drive automated testing, CI/CD, and observability, and collaborate with Product, Design, QA, SRE, and...

CoStar Group, a global real estate information leader, seeks a Senior Data Quality Engineer in Toronto to build and operate testing for the enterprise data platform. You will design end-to-end validation, create reusable testing frameworks, and partner with product and data teams to translate definitions into measurable tests. The role emphasizes data...

Senior Back End Engineer on the Data Platform team, responsible for designing and building Spark-based data pipelines and services for sales compensation management. Focuses on reliability, scalability, and data quality.