Jobs for senior python backend at Toronto

Location: Downtown Toronto (In-office / Hybrid model) The Opportunity I am currently partnering with a heavily funded, rapidly scaling B2B infrastructure startup. They are building a high-volume data ingestion and API platform that serves as the backbone for major enterprise clients. By aggregating and standardizing massive streams of complex IoT...

Fitch Ratings is on the lookout for a Senior Software Engineer specializing in Full-Stack Applications (Python & React) based in Toronto. Focus on building reliable, mission-critical applications to enhance user experience. The successful candidate will play a vital role in the Ratings Technology team, collaborating on applications that serve analysts'...

TMS LLC in Toronto, Canada, is seeking a Senior Python React Developer to design and build enterprise-grade full-stack applications. You will drive architecture, lead development, and mentor engineers, delivering scalable REST APIs and microservices.The role requires strong Python and React skills, AWS/Azure cloud experience, Docker and Kubernetes, and...

Project descriptionWe 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...

Senior Python Developer – Capital Markets Location: Toronto, CA / Montreal, CA ; requires 3-4 days working from the office. Mode: Hybrid Requirements 10+ years of experience in Python development 7+ years of experience in the Capital Markets domain Strong experience in Capital Markets domains such as: Equities FX Fixed Income Derivatives Trade...

Drive innovation in cybersecurity as a Senior Python Developer based in Toronto. Use your extensive 8+ years of experience to support automated solutions in the banking industry. This contract position focuses on developing strategies to improve efficiency and minimize risk through automation. You will also provide support for other applications 10-20% of...

Requisition ID: 48643 Business Unit: Fitch Group Category: Information Technology Location: Toronto, ON, CA Senior Software Engineer, Python Programmer Fitch Ratings is currently seeking a Senior Software Engineer specializing in Python Programming or applications to join our team in Toronto. In this role, you will support the development and delivery of...

Drive innovation as a Senior Software Engineer specializing in Python. Contribute to a scalable microservices banking platform while fostering a collaborative team environment. This role is perfect for a mid-senior level developer with 7+ years of experience. You will engage in designing features, collaborating on technical specs, and delivering secure...

Applying to the position, you may join one of the most respected and fastest growing institutional investors in the world. Our client is a professional investment management organization that globally invests the funds to ensure long‑term sustainability. The company invests in all major asset classes, including public equity, private equity, real estate,...

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...

Fulfil is seeking a Senior Python Engineer in Toronto to lead integrations that enhance customer operations. Work closely with clients while contributing to a collaborative engineering environment. In this role, you're expected to implement high-quality integrations while owning the complete lifecycle of projects. You'll serve as both a technical expert and...

Job DescriptionWe are seeking an experienced Senior Software Engineer to work within Wealth Management Global IT Data Services Canada - As a Senior Software Engineer, specializing in AI-driven agent development using Python, SQL, and Snowflake technologies. You will leverage modern development tools including Copilot and Windsurf to build intelligent,...

Senior Software Engineer (Python/Rust) - Toronto Validus is looking for a financial software engineer to join our back-end team. This team is responsible for designing, implementing and maintaining the systems and services powering the rapidly growing, award-winning technology offering at Validus. The back-end team is part of the broader technology team...

Position: Backend Engineer – Python (API & Platform Engineering) Location: Toronto, Ontario, Canada (Onsite - In-person interview in Toronto is MANDATORY) Experience Level: 5–10+ Years (Backend Focused) Role Overview: ITMC Systems is seeking skilled Python Backend Engineers to build and scale high-performance backend systems. This role focuses on API...

Elevate your career as a Senior Python Software Developer at Xanadu. Help shape the future of quantum computing by developing reliable and scalable AI research systems. You will work closely with researchers to architect systems that meet their technical needs while ensuring high performance and usability. Your role involves leading development teams,...

Elevate your career as a Senior Software Engineer, creating scalable banking solutions within a dynamic engineering team. Your knowledge of Python and microservices will be essential. In this essential position, you will design and integrate high-performance features while managing end-to-end delivery of significant system enhancements. Expect to...

Job Title: Senior Developer – Java / PythonLocation: Toronto, ONWork Arrangement: Hybrid – 2 Days/Week OnsiteEmployment Type: ContractDuration: 12 MonthsDomain: BFSIPay Rate: CAD $63/hour Incorporated.Application Deadline: Sept. 30th, 2026SKILLS REQUIREDWe are looking for an experienced Senior Developer with 8–10 years of experience to join our team...

A technology services company is seeking a Senior Software Engineer, specifically a Sr Python Developer, to enhance their core banking platform. The position requires strong experience in system design, cloud computing, and Python programming. The selected candidate will be responsible for delivering high-quality features, mentoring team members, and...

We're looking for a Senior Backend Engineer to join our team and help shape the financial future of the next generation. You'll work closely with product and design to translate concepts into clean, production-ready code that serves thousands of users. This is an ideal role for developers who want to see their work immediately impact customers through robust...

d1g1t is an institutional-grade enterprise wealth management platform built for financial advisors, multi‑family offices, broker‑dealers, and bank advisor networks. The platform replaces fragmented legacy systems with a unified solution for portfolio management, advanced analytics, risk management, reporting, and operational workflows across the wealth...