api developer jobs in Toronto

Build high-performance Python APIs and microservices at Beanfield while collaborating from Toronto’s Liberty Village headquarters three days weekly.As a senior Software Engineer, you will develop backend systems and data processing tools using modern web frameworks. You will make technical decisions for specific projects, select database and caching...

Build Python APIs and AI-powered applications at Capco in Toronto, supporting financial services clients through secure technology solutions.This Developer role sits within Capco’s Technology & Engineering practice. You will design RESTful APIs, integrate large language models, and apply prompt engineering techniques. The work combines software engineering...

Build Python APIs and backend systems in Toronto’s hybrid DNV office, supporting scalable platforms and AI-ready data foundations. Apply SQL and FastAPI daily.As Senior Software Developer, you will design, develop, test, and maintain platform capabilities across Digital & Transformation. Your work spans Python, SQL, FastAPI, data modeling, API development,...

Shape Monetization roadmap decisions through APIs, data modeling, and product experiments at Coursera. Work remotely, onsite, or through a combination. This Staff Software Developer role balances hands-on backend development with technical leadership and cross-functional collaboration. You’ll design services, develop product APIs, model data, and analyze...

5+ years building and operating production REST APIs in Node.js & TypeScriptHands-on AWS serverless experience — Lambda, API Gateway, DynamoDB, S3, CloudWatch, IAM, SNS, SQS, Glue, ECS — built and run in production, not just in tutorialsStrong REST API design skills — resource modeling, HTTP semantics, versioning, idempotency, and OpenAPI/Swagger...

RQ09329 - Software Developer - API - Senior About the job RQ09329 - Software Developer - API - Senior Required to translate technical systems specifications into working, tested applications. This includes: developing detailed programming specifications writing and/or generating code compiling data‑driven programs, maintaining, and conducting unit...

RQ09373 - Software Developer - API - SeniorAbout the job RQ09373 - Software Developer - API - SeniorResponsibilitiesRequired to translate technical systems specifications into working, tested. This includes:developing detailed programming specificationswriting and/or generating codecompiling data-driven programs, maintaining, and conducting unitAnalyzes,...

Shape Monetization roadmap decisions through APIs, data modeling, and product experiments at Coursera. Work remotely, onsite, or through a combination.This Staff Software Developer role balances hands-on backend development with technical leadership and cross-functional collaboration. You’ll design services, develop product APIs, model data, and analyze...

RQ09147 - Software Developer - API - SeniorAbout the job RQ09147 - Software Developer - API - SeniorDescription:Responsibilities Required to translate technical systems specifications into working, tested applications. This includes: o developing detailed programming specifications o writing and/or generating code o compiling data-driven programs,...

RQ08889 - Software Developer - API - Senior About the job RQ08889 - Software Developer - API - Senior Description A Note on Assignment Type: This position is currently listed as "Onsite"; however, the Assignment under this request will provisionally be "Hybrid", working 7.25 hours per calendar day, sometime between 8:00 AM and 5:00 PM (excluding breaks)...

Senior Java Angular Developer – API Integration Location: Toronto Work Style: Hybrid - 2 days a week in office Skills: Banking and Financial Technology: Core Java: Application Integration Architecture Experience Required: 6-8 years Job Description Act as the end‑to‑end technical owner for business banking initiatives Must have strong knowledge of the...

Build high-performance Python APIs and microservices at Beanfield while collaborating from Toronto's Liberty Village headquarters three days weekly. As a senior Software Engineer, you will develop backend systems and data processing tools using modern web frameworks. You will make technical decisions for specific projects, select database and caching...

Job Title : Senior APIC Developer / API Gateway Platform Engineer Location:- Toronto GTA(Scarborough, ON)_Day-1 Onsite Job Description: Must Have Strong hands-on experience with IBM API Connect v10, DataPower API Gateway, API Assembly and User Defined Policies (UDP). Experience with API onboarding, publishing, deployment, Products, Plans, Catalogs and...

Job Title : Senior APIC Developer / API Gateway Platform EngineerLocation:- Toronto GTA(Scarborough, ON)_Day-1 OnsiteJob Description:Must HaveStrong hands-on experience with IBM API Connect v10, DataPower API Gateway, API Assembly and User Defined Policies (UDP).Experience with API onboarding, publishing, deployment, Products, Plans, Catalogs and...

Design REST APIs and tested applications as a Senior API Software Developer, using Apigee, Azure, and Microsoft Power Platform technologies.This senior developer translates technical system specifications into working applications. The work includes programming, application design, testing, troubleshooting, and system integration. You will develop API...

RBC is seeking a Senior API Developer to build robust, scalable REST/GraphQL APIs for commercial clients. You will design, develop, and maintain APIs, collaborating with product, architecture, and infrastructure teams to ensure security, performance, and reliability.Ideal candidates have 5+ years of software development experience with at least 4 years in...

Tata Consultancy Services Canada Inc. is seeking a skilled Java backend developer to design and maintain Spring Boot-based REST APIs and microservices. The role emphasizes strong SQL performance tuning and the use of AI coding tools to boost productivity.Experience with Docker and Kubernetes, RESTful architecture, and collaboration across teams is preferred...

MaintainX is a leading mobile-first work execution platform for industrial and frontline teams. More than 13,000 customers, including Duracell, McDonald's, Shell, DHL and Volvo, use MaintainX to cut unplanned downtime and run better operations, across 13.9 million managed assets and 79.5 million completed work orders. In August 2026 MaintainX became part of...

Lead application enhancements as a Senior Software Developer focused on APIs, integration, and scalable architecture. This hybrid assignment combines remote work with time in the physical workplace.The Senior Software Developer builds APIs, integrates systems, and develops web applications, services, and Windows client applications. You will apply SOAP,...

Strengthen McAfee VPN through secure API development, production troubleshooting, and AWS support from a hybrid Waterloo or Toronto location.This Full-Stack Developer position spans services, APIs, and customer-facing product experiences. You will work primarily in Scala on JVM services, contributing to Java and JavaScript when needed. Your work will help...