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Database Developer Contract Jobs in Toronto, ON (NOW HIRING)

YO AI Labs

Software Engineer - Remote

Toronto, ON · Remote

Contract Location: Remote Job Summary: We are looking for experienced software engineers to help ... Design or evaluate practical solutions involving APIs, databases, services, integrations, testing ...

Hitachi

Systems Design Specialist- Senior

Toronto, ON · On-site

... contract deliverables. The incumbent is accountable for performing the design work correctly ... Performs technical/engineering tasks to define application databases for software subsystems.

Proofpoint

Staff Software Engineer

Toronto, ON · On-site

Cross-team influence: aligning other feature teams on ingestion interfaces, APIs, and contracts ... REST API design;database programming;experience with distributed systems design, RPC, service ...

iQmetrix

Senior Data Engineer

Toronto, ON · On-site

... and dependency contracts, not just task graphs. * Improve the performance, reliability ... Partner with product, software engineering, analytics, and AI stakeholders to translate business ...

Adastra

Senior AWS Data Engineer

Thornhill, ON · Hybrid

Contract - 3 Months RESPONSIBILITIES * Design, develop, and maintain scalable data engineering solutions on AWS * Build and manage data lakes using AWS Lake Formation, AWS Glue Data Catalog, Apache ...

Euna Solutions

Senior Data Engineer

Oakville, ON · Hybrid

CA$127K - CA$155K/yr

Product engineering teams build their own data products, and both build to the same architecture ... contract, rather than a parallel approach. * Reliability discipline. Apply the guardrail honestly.

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All JobsDatabase Developer Contract JobsDatabase Developer Contract Jobs in Toronto, ON

Database Developer Contract information

What does a database developer contract do?

A Database Developer on a contract basis is responsible for designing, developing, and maintaining databases for organizations during a specified project or time period. They create and optimize database structures, write and test queries, and ensure data integrity and security. Contract Database Developers work independently or as part of a team to deliver solutions that meet client requirements, often focusing on tasks like performance tuning, troubleshooting, and implementing new features. Their role is project-based, so they may work with multiple clients over time.

What are the key skills and qualifications needed to thrive as a database developer contract?

A Database Developer Contractor needs strong SQL programming skills, experience with database design, and a solid understanding of relational and non-relational database systems, typically supported by a degree in computer science or information technology. Familiarity with tools like Microsoft SQL Server, Oracle, MySQL, and knowledge of ETL processes, as well as certifications such as Microsoft Certified: Azure Database Administrator Associate, are commonly required. Attention to detail, problem-solving abilities, and effective communication are vital soft skills for collaborating with clients and teams. These competencies are crucial for delivering scalable, secure, and efficient database solutions on time and within project requirements.

What are some common challenges faced by database developer contracts?

Database Developers on contract often encounter challenges such as quickly adapting to unfamiliar database environments, integrating with existing teams, and understanding legacy systems. Since contract roles typically have tight deadlines, contractors must rapidly assess project requirements and deliver solutions efficiently. Additionally, clear communication with stakeholders and in-house developers is essential to ensure alignment on database design, security standards, and performance expectations.

What is the difference between Database Developer Contract vs Database Administrator?

AspectDatabase Developer ContractDatabase Administrator
CredentialsTypically requires SQL, database design, and programming skills; certifications like Microsoft Certified: Azure Database Administrator are commonRequires SQL, database management, and troubleshooting skills; certifications like Oracle Certified Professional are common
Work EnvironmentProject-based, short-term contracts, often remote or on-siteOngoing, maintenance-focused roles, usually on-site or hybrid
Employer & Industry UsageUsed across tech, finance, healthcare for development projectsCommon in large enterprises, IT departments, and data management teams

While both roles involve working with databases, a Database Developer Contract focuses on designing and building databases for specific projects, often on a temporary basis. In contrast, a Database Administrator manages and maintains existing databases to ensure optimal performance and security on an ongoing basis.

Are database developers still in demand?

Database developers are still in demand as organizations continue to rely on data management and analysis. Skills in SQL, database design, and familiarity with platforms like Oracle, MySQL, or SQL Server remain valuable, especially in data-driven industries and environments requiring efficient data storage and retrieval.

What are the most commonly searched types of Database Developer jobs in Toronto, ON?

The most popular types of Database Developer jobs in Toronto, ON are:

What are popular job titles related to Database Developer Contract jobs in Toronto, ON?

For Database Developer Contract jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Database Developer Contract jobs in Toronto, ON look for?

The top searched job categories for Database Developer Contract jobs in Toronto, ON are:

What cities near Toronto, ON are hiring for Database Developer Contract jobs?

Cities near Toronto, ON with the most Database Developer Contract job openings:

Database Developer Contract jobs near you
Infographic showing various Database Developer Contract job openings in Toronto, ON as of September 2026, with employment types broken down into 80% Full Time, 15% Part Time, and 5% Contract. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution.

Python Developer - QIS (Indexes)

Toronto, ON • Hybrid

Jay Analytix
See more jobs at Jay Analytixexternal

Contractor

Re-posted 28 days ago

Job description

Python Developer - QIS (Indexes)

Location: Toronto, ON (Hybrid - 3 days onsite per week)Experience: Minimum 8+ yearsEmployment Type: Full-Time / Contract (as applicable)

About the Role

We are seeking a seasoned Python Developer with strong experience in Quantitative Investment Strategies (QIS) and index products to join our Toronto-based team. In this role, you will design, build, and maintain the technology platforms that power index calculation, rebalancing, and QIS strategy implementation. You will work closely with quantitative researchers, index analysts, and product teams to translate systematic strategies into robust, production-grade code.

Key Responsibilities
  • Design, develop, and maintain Python-based applications supporting QIS and index calculation, construction, rebalancing, and back-testing workflows
  • Implement and productionize systematic/rules-based investment strategies (e.g., factor, volatility, carry, momentum, multi-asset strategies) in collaboration with quant researchers
  • Build and optimize data pipelines for market data ingestion, cleansing, and validation across equities, fixed income, FX, commodities, and derivatives
  • Develop tools for index performance attribution, corporate action handling, and daily index level production
  • Ensure accuracy, auditability, and timeliness of index calculations and strategy outputs, including reconciliation and exception handling
  • Write clean, well-tested, well-documented code following software engineering best practices (version control, CI/CD, code reviews, unit/integration testing)
  • Improve performance and scalability of existing calculation engines and libraries
  • Collaborate with cross-functional stakeholders (research, product, operations, risk) to gather requirements and deliver solutions
  • Support production systems, troubleshoot issues, and participate in release and change management processes
  • Mentor junior developers and contribute to team standards and technical direction
Required Qualifications
  • 8+ years of professional software development experience, with strong hands-on expertise in Python
  • Proven experience in Quantitative Investment Strategies (QIS), index development/calculation, or systematic trading environments
  • Strong knowledge of financial markets and instruments - equities, futures, options, FX, fixed income - and index methodologies (rebalancing, weighting schemes, corporate actions)
  • Proficiency with Python scientific/data libraries: pandas, NumPy, SciPy; experience with back-testing frameworks a strong plus
  • Solid SQL skills and experience working with relational databases and large financial datasets
  • Experience with market data vendors and platforms (e.g., Bloomberg, Refinitiv/LSEG, FactSet)
  • Strong grasp of software engineering practices: Git, CI/CD pipelines, automated testing, code review, Agile delivery
  • Excellent analytical and problem-solving skills with high attention to detail and data accuracy
  • Strong communication skills and ability to work directly with quants, product, and business stakeholders
  • Bachelor's degree in Computer Science, Engineering, Mathematics, Finance, or a related quantitative field
Nice to Have
  • Master's degree or professional designation (CFA, FRM)
  • Experience at an index provider, investment bank QIS desk, asset manager, or ETF issuer
  • Exposure to cloud platforms (AWS, Azure, or GCP), containerization (Docker/Kubernetes), and workflow orchestration tools (e.g., Airflow)
  • Experience with performance optimization (vectorization, multiprocessing, Cython) for large-scale calculations
  • Familiarity with derivatives pricing, risk models, or portfolio optimization techniques
  • Knowledge of regulatory considerations for benchmarks/indexes (e.g., IOSCO principles, BMR)
Why Join Us
  • Work at the intersection of quantitative finance and technology on products used by institutional investors
  • Hybrid work model based in downtown Toronto
  • Collaborative environment with direct exposure to quant research and index product teams
  • Competitive compensation and benefits package
Employment Type: CONTRACTOR

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