senior backend engineer python aws jobs in Toronto

We are looking for a Python & AWS Developer to build and maintain scalable, secure cloud-native applications. Key Responsibilities: Develop backend applications, REST APIs, and microservices using Python (Flask/FastAPI/Django). Build solutions using AWS Lambda, EC2, S3, API Gateway, RDS, DynamoDB, and CloudWatch. Design serverless and cloud-native...

Luxoft in Toronto is seeking a hands-on software delivery professional to own timelines and deliverables, frame and deliver solutions, build backend services and RESTful APIs, and develop cloud-native apps on AWS. You will implement workflow automation, contribute across the SDLC, ensure production readiness with tests and docs, and communicate progress and...

Caddie Intelligence builds software for analytical testing laboratories and other regulated industries. WHAT WE'RE BUILDING Something meaningful, in an industry that quietly touches billions of lives and almost nobody thinks about. The work inside it is slow, manual and consequential and the decisions being made every day deserve to be faster, more...

A leading IT consultancy firm is seeking a candidate in Toronto to architect and implement AWS cloud native solutions. The role requires expertise in microservices, serverless architectures, and REST API development. Candidates should ensure security best practices and actively collaborate with cross-functional teams. The annual salary ranges from CA$ 90,000...

Take on a vital role as a Senior Python Backend Engineer focusing on API and platform engineering in Toronto, Ontario. Develop scalable backend solutions for mission-critical financial platforms. This on-site position is suited for candidates with 5-10+ years of strong Python backend development experience. You will design and implement backend services...

Job Title: Data Engineer (Python and AWS) Location: Toronto, ON (Hybrid, 3 days onsite) Required Skills: Proficiency in Python. Hands‑on experience with AWS services (EC2, Lambda, S3, RDS, IAM, CloudWatch). Strong understanding of RESTful APIs and microservices architecture. Experience with CI/CD tools (e.g., Jenkins, GitHub Actions, AWS CodePipeline)....

Armstrong Fluid Technology invites a senior, hands-on Enterprise Developer to join our enterprise architecture team. You will design, refactor, and migrate applications using Python, C#, and .NET while modernizing legacy systems with microservices and cloud-native approaches.You will work on AWS-based cloud deployments, containerization with...

A top financial firm in Toronto is looking for an experienced Python Developer to develop and maintain backend systems and microservices. The role requires 5-7 years of backend development experience with strong Python skills. Responsibilities include building APIs, collaborating with stakeholders, and participating in code reviews. Competitive pay range of...

S.I. Systems Ltd. is seeking a Python Engineer to support a client in the investment management industry. The role requires strong hands-on Python development experience and delivering backend services with REST APIs.The ideal candidate has 5+ years of Python, OOP knowledge, experience with FastAPI/Flask/Django, AWS services, SQL, Git/CI/CD, and a track...

Job Location: Toronto, ON (5 days Onsite) Role Overview Client is looking for a skilled Python Backend Engineer to build and scale high-performance backend systems. This role will focus on API development, platform engineering, and system design, supporting enterprise-grade, scalable, and secure financial platforms. Key Responsibilities Design, develop, and...

Position Overview We are looking for a strong Python Backend Engineer with hands-on experience designing and building scalable backend systems, microservices, APIs, and distributed applications. This role is not suited for a developer focused only on application coding. The ideal candidate should demonstrate strong system design, backend architecture,...

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our...

Luxoft in Toronto is seeking a senior data engineer to support the Analytical Work Bench integration, including AWS-based data pipelines and Jupyter Lab IDE work. You will design and implement scalable data flows, collaborate with end users to gather requirements, and ensure code quality with standard testing practices.Join a team that leverages PySpark,...

Back End Developer - Master-Level Internship Location: Toronto, Ontario, Canada Salary: $95,000.00 - $105,000.00 Employment Type: Full-time Seniority Level: Mid-Senior level Job Function: Information Technology (IT Services and IT Consulting) Job Overview Implement backend solutions using AWS services such as Lambda and ECS containers, ensuring code adheres...

Project description We are seeking a hands-on talent to support delivery within the Total Fund Management Portfolio Management Technology team. This role is suited for an experienced, self-directed individual who can operate with a high degree of autonomy, take ownership of outcomes, and deliver working solutions with minimal day-to-day oversight.This is not...

Project descriptionThe project involves the data engineering organization’s Analytical Work Bench , which is an integrated development environment. The objective is to rationalize and integrate AWB with another internally developed application. Additionally, the project includes creating an IDE based on the Jupyter Lab environment using custom code...

Lorven Technologies Inc. is seeking a skilled Python Backend Engineer to build and scale high-performance backend systems for enterprise-grade financial platforms. The role focuses on API development, platform engineering, and system design to support scalable, secure solutions.You will collaborate with frontend, DevOps, and product teams, design distributed...

Acquird.io in Downtown Toronto offers a senior-to-staff Python backend role with a strong focus on Flask/Django and microservices. You will own features end-to-end, debug customer issues, and integrate across a complex system, while occasionally touching server-side rendered frontend with HTMX and GraphQL APIs.The role emphasizes ownership, problem-solving,...

A leading technology company in Toronto is seeking a Senior Software Engineer to design and implement backend services for AI-native products. The ideal candidate has over 4 years of experience, strong skills in Python, FastAPI, and PostgreSQL. Responsibilities include building scalable APIs, collaborating with ML engineers, and connecting backend services...

SRA Group in Toronto is seeking a Python Backend Engineer to design and scale high-performance backend systems for enterprise-grade platforms. You will focus on API development, platform engineering, and system design to support secure financial-grade solutions.The role requires 5–10+ years of backend-focused experience, strong Python expertise, API design...