229 Software Development jobs in Mississauga

Description
Amazon Advertising is one of Amazon's fastest growing and most profitable businesses. Amazon's advertising portfolio helps merchants, retail vendors, and brand owners succeed via native advertising, which grows incremental sales of their products sold through Amazon. The primary goals are to help shoppers discover new products they love, be the most efficient way for advertisers to meet their business objectives, and build a sustainable business that continuously innovates on behalf of customers. Our products and solutions are strategically important to enable our Retail and Marketplace businesses to drive long-term growth. We deliver billions of ad impressions and millions of clicks and break fresh ground in product and technical innovations every day!
The Creative X org within Amazon Advertising aims to democratize access to high-quality creative assets, including copy, images and video, by building and productizing generative AI-driven tools for advertisers. We are investing in latent-diffusion and DiT models, LLMs, computer vision, reinforcement learning, and image + video synthesis. The solutions we develop will be deployed for use by self-service advertisers and agencies, as well as available to premium brands that advertise on Amazon.
We are seeking an experienced Software Development Engineer who is adept at a variety of skills, that enable the productization of Generative AI experiences for advertising at scale.
Every member of the team is expected to build customer (advertiser) facing features, contribute to the collaborative spirit within the team, productize, deploy at scale, and bring innovative production-grade experiences to raise the bar within the team.
Key job responsibilities
As a Software Development Engineer,
- you will solve technical challenges and act as a mentor to other junior engineers.
- Given that this is an early-stage initiative, you'll play an active role in translating business and functional requirements into concrete deliverables and build quick prototypes or proofs of concept in partnership with other technology leaders within the team.
- You will help invent new features, design, develop and deploy highly scalable and reliable distributed services.
- You will work with a variety of core languages (primarily Java and Python) and technologies (AWS).
- You will work closely with Product Managers, Engineers and Applied Scientists.
Basic Qualifications
- 3+ years of non-internship professional software development experience
- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
- Experience programming with at least one software programming language
- Experience building complex software systems that have been successfully delivered to customers
- Experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems
Preferred Qualifications
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- Bachelor's degree in computer science or equivalent
- Knowledge of professional software engineering & best practices for full software development life cycle, including coding standards, software architectures, code reviews, source control management, continuous deployments, testing, and operational excellence
- Experience designing or architecting (design patterns, reliability and scaling) of new and existing systems
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner.

Description
Amazon Advertising is one of Amazon's fastest growing and most profitable businesses. Amazon's advertising portfolio helps merchants, retail vendors, and brand owners succeed via native advertising, which grows incremental sales of their products sold through Amazon. The primary goals are to help shoppers discover new products they love, be the most efficient way for advertisers to meet their business objectives, and build a sustainable business that continuously innovates on behalf of customers. Our products and solutions are strategically important to enable our Retail and Marketplace businesses to drive long-term growth. We deliver billions of ad impressions and millions of clicks and break fresh ground in product and technical innovations every day!
We are seeking an experienced Software Development Engineer who is adept at a variety of skills, that enable the productization of Generative AI experiences for advertising at scale.
Every member of the team is expected to build customer (advertiser) facing features, contribute to the collaborative spirit within the team, productize, deploy at scale, and bring innovative production-grade experiences to raise the bar within the team.
Key job responsibilities
As a Software Development Engineer,
- You will solve technical challenges and act as a mentor to other junior engineers.
- Given that this is an early-stage initiative, you'll play an active role in translating business and functional requirements into concrete deliverables and build quick prototypes or proofs of concept in partnership with other technology leaders within the team.
- You will help invent new features, design, develop and deploy highly scalable and reliable distributed services.
- You will work with a variety of core languages (primarily Java and Python) and technologies (AWS).
- You will work closely with Product Managers, Engineers and Applied Scientists.
Basic Qualifications
- 3+ years of non-internship professional software development experience
- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
- Experience programming with at least one software programming language
Preferred Qualifications
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- Bachelor's degree in computer science or equivalent
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner.

Description
CloudTune's goal is to invent new software systems that remove human decision-making from financial planning and scaling processes. We envision CloudTune Forecasts driving end-to-end automation that provisions Amazon's services appropriately for a great customer experience. We aim to eliminate vast quantities of undifferentiated and often tedious work for Amazon development teams - our opportunity for impact to tens of thousands of developers is enormous.
We are looking for talented software developers to design systems and services that will tackle increasingly complex challenges. These systems handle a very large volume of data that need to be processed by sophisticated algorithms, presenting challenging scalability, efficiency, and distributed systems design problems. Our team members also benefit from the mentoring and guidance of senior developers and have the opportunity to contribute to our product vision.
We are an agile team with significant impact. If you can think big, want to be a part of a fast moving team breaking new ground at Amazon.com, and you meet the qualifications, we would like to speak with you!
Basic Qualifications
- 3+ years of non-internship professional software development experience
- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
- Experience programming with at least one software programming language
Preferred Qualifications
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- Bachelor's degree in computer science or equivalent
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner.

Description
CloudTune's goal is to invent new software systems that remove human decision-making from financial planning and scaling processes. We envision CloudTune Forecasts driving end-to-end automation that provisions Amazon's services appropriately for a great customer experience. We aim to eliminate vast quantities of undifferentiated and often tedious work for Amazon development teams - our opportunity for impact to tens of thousands of developers is enormous.
We are looking for talented software developers to design systems and services that will tackle increasingly complex challenges. These systems handle a very large volume of data that need to be processed by sophisticated algorithms, presenting challenging scalability, efficiency, and distributed systems design problems. Our team members also benefit from the mentoring and guidance of senior developers and have the opportunity to contribute to our product vision.
We are an agile team with significant impact. If you can think big, want to be a part of a fast moving team breaking new ground at Amazon.com, and you meet the qualifications, we would like to speak with you!
Basic Qualifications
- 3+ years of non-internship professional software development experience
- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
- Experience programming with at least one software programming language
Preferred Qualifications
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- Bachelor's degree in computer science or equivalent
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner.

At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to thrive both personally and professionally. This is how we aim to prevent, stop and cure diseases and ensure everyone has access to healthcare today and for generations to come. Join Roche, where every voice matters.
**The Position**
A healthier future. It's what drives us to innovate. To continuously advance science and ensure everyone has access to the healthcare they need today and for generations to come. Creating a world where we all have more time with the people we love. That's what makes us Roche.
We are seeking a Software Engineer with extensive GPU programming experience and a passion for bioinformatics and advanced algorithm development to create GPU-accelerated tools for DNA sequencing data analysis. In this role, you will design and implement high-performance computational algorithms-leveraging both traditional bioinformatics methods and deep learning models-optimized for the throughput and accuracy requirements of next-generation sequencing technologies. You will work closely with a multidisciplinary team of scientists and engineers to transform sequencing data into actionable biological insights.
**The Opportunity:**
+ Develop and optimize GPU-accelerated algorithms for real-time analysis of sequencing data, including basecalling, alignment, variant detection, and other genomic data processing tasks.
+ Collaborate with bioinformaticians and molecular biologists to translate computational challenges in genomics into robust, scalable software solutions.
+ Implement and optimize neural network and other machine learning algorithms on GPU, adapting them for large-scale, high-throughput sequencing data.
+ Contribute to the design and implementation of novel sequence analysis algorithms, including signal processing, error correction, and statistical modeling.
+ Author dependable, readable, maintainable, and well-structured code in C++ and CUDA, following best practices for scientific and production software.
+ Work with the data scientists to accelerate existing algorithms or pipelines.
+ Stay current with advances in computational genomics, GPU computing, and algorithmic techniques; proactively research and integrate new methods as appropriate.
**Who you are:**
+ Bachelor's degree in Computer Science, Computer Engineering, or a related field, with 5+ years of relevant experience (MS/PhD is advantageous).
+ Expertise in bioinformatics algorithm development, with a focus on sequence analysis, variant calling, or genomic workflows.
+ Proficient in object-oriented programming (C++) and GPU programming using CUDA, including familiarity with GPU-accelerated libraries like cuDNN or Thrust.
+ Advanced experience in systems programming for parallel Linux applications involving both CPUs and GPUs, with strong debugging and optimization skills.
+ Solid grasp of machine learning and deep learning, particularly in relation to biological data, along with experience using frameworks like PyTorch, TensorFlow, or JAX.
+ Skilled in Python for prototyping, analysis, and integrating bioinformatics pipelines, as well as interfacing deep learning models with custom algorithms.
+ Excellent analytical, problem-solving, and communication skills, with a proven ability to deliver innovative scientific solutions and work effectively in cross-disciplinary teams.
**Relocation benefits are not available for this posting.**
**Who we are**
A healthier future drives us to innovate. Together, more than 100'000 employees across the globe are dedicated to advance science, ensuring everyone has access to healthcare today and for generations to come. Our efforts result in more than 26 million people treated with our medicines and over 30 billion tests conducted using our Diagnostics products. We empower each other to explore new possibilities, foster creativity, and keep our ambitions high, so we can deliver life-changing healthcare solutions that make a global impact.
Let's build a healthier future, together.
**Roche is an Equal Opportunity Employer.**

Description
CloudTune's goal is to invent new software systems that remove human decision-making from financial planning and scaling processes. We envision CloudTune Forecasts driving end-to-end automation that provisions Amazon's services appropriately for a great customer experience. We aim to eliminate vast quantities of undifferentiated and often tedious work for Amazon development teams - our opportunity for impact to tens of thousands of developers is enormous. The team develops large-scale scale models to inform team-level budget allocations and procurement/ allocation of compute capacity for Amazon businesses during new product launches, high velocity events and non-peak periods.
This role will be contributing to a managed service that uses historical data and business signals to deliver time series forecasting for specialized use cases. The service combines a variety of distinct forecasting models, including neural networks, to produce highly accurate forecasts.
We are looking for talented software developers to design systems and services that will tackle increasingly complex challenges. These systems handle a very large volume of data that need to be processed by sophisticated algorithms, presenting challenging scalability, efficiency, and distributed systems design problems. Our team members also benefit from the mentoring and guidance of senior developers and have the opportunity to contribute to our product vision.
We are an agile team with significant impact. If you can think big, want to be a part of a fast moving team breaking new ground at Amazon.com, and you meet the qualifications, we would like to speak with you!
Basic Qualifications
- 3+ years of non-internship professional software development experience
- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
- Experience programming with at least one software programming language
Preferred Qualifications
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- Bachelor's degree in computer science or equivalent
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner.

Description
CloudTune's goal is to invent new software systems that remove human decision-making from financial planning and scaling processes. We envision CloudTune Forecasts driving end-to-end automation that provisions Amazon's services appropriately for a great customer experience. We aim to eliminate vast quantities of undifferentiated and often tedious work for Amazon development teams - our opportunity for impact to tens of thousands of developers is enormous. The team develops large-scale scale models to inform team-level budget allocations and procurement/ allocation of compute capacity for Amazon businesses during new product launches, high velocity events and non-peak periods.
This role will be contributing to a managed service that uses historical data and business signals to deliver time series forecasting for specialized use cases. The service combines a variety of distinct forecasting models, including neural networks, to produce highly accurate forecasts.
We are looking for talented software developers to design systems and services that will tackle increasingly complex challenges. These systems handle a very large volume of data that need to be processed by sophisticated algorithms, presenting challenging scalability, efficiency, and distributed systems design problems. Our team members also benefit from the mentoring and guidance of senior developers and have the opportunity to contribute to our product vision.
We are an agile team with significant impact. If you can think big, want to be a part of a fast moving team breaking new ground at Amazon.com, and you meet the qualifications, we would like to speak with you!
Basic Qualifications
- 3+ years of non-internship professional software development experience
- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
- Experience programming with at least one software programming language
Preferred Qualifications
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- Bachelor's degree in computer science or equivalent
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner.

Description
CloudTune's goal is to invent new software systems that remove human decision-making from financial planning and scaling processes. We envision CloudTune Forecasts driving end-to-end automation that provisions Amazon's services appropriately for a great customer experience. We aim to eliminate vast quantities of undifferentiated and often tedious work for Amazon development teams - our opportunity for impact to tens of thousands of developers is enormous. The team develops large-scale scale models to inform team-level budget allocations and procurement/ allocation of compute capacity for Amazon businesses during new product launches, high velocity events and non-peak periods.
This role will be contributing to a managed service that uses historical data and business signals to deliver time series forecasting for specialized use cases. The service combines a variety of distinct forecasting models, including neural networks, to produce highly accurate forecasts.
We are looking for talented software developers to design systems and services that will tackle increasingly complex challenges. These systems handle a very large volume of data that need to be processed by sophisticated algorithms, presenting challenging scalability, efficiency, and distributed systems design problems. Our team members also benefit from the mentoring and guidance of senior developers and have the opportunity to contribute to our product vision.
We are an agile team with significant impact. If you can think big, want to be a part of a fast moving team breaking new ground at Amazon.com, and you meet the qualifications, we would like to speak with you!
Basic Qualifications
- 3+ years of non-internship professional software development experience
- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
- Experience programming with at least one software programming language
Preferred Qualifications
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- Bachelor's degree in computer science or equivalent
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner.

Job Description

Job Description

Salary: $150,000-$180,000

As a Software Development Engineer lll, you will work as part of a small, autonomous, agile team to deliver both internal and external applications; built on a modern hybrid cloud platform. You will create high quality products which are scalable, testable, and extensible and provide high value to our customers. This is an exciting opportunity for an individual who is looking to bring their passion for tech into the construction space!

Biiibo Inc. is a fast-growing start-up and market leader in the on-demand delivery service for construction materials and supplies space. Since our launch in early 2020, our team has grown from 10 employees to 90 in less than a year! With proven success in the industry and nolimitingrunway, we are growing exponentially and were looking for driven challenge-seekers to join our team!

A day in the life:

• Lead large-scale software development projects, from design to deployment, ensuring strategic alignment with business objectives.
• Proactively simplify codebases, resolve architectural deficiencies, and optimize for both operational efficiency and long-term scalability.
• Work with cross-functional teams to divide projects into manageable tasks and ensure smooth collaboration and parallel development efforts.
• Provide leadership in both tactical and strategic areas, making informed decisions that affect both the immediate and future direction of software development.
• Lead architecture discussions and decisions that balance innovation with maintainability, particularly incorporating cloud services (GCP, AWS) and AI frameworks.
• Use AI/ML models and tools to enhance the intelligence and capabilities of our software systems.
• Identify and mitigate long-term technical risks while ensuring continuous progress toward achieving business goals.
• Actively mentor junior and mid-level engineers, providing technical guidance, career development support, and fostering a culture of growth and collaboration.
• Perform technical assessments of SDE candidates, evaluating their technical skills and alignment with Biiibos development practices.

Basic Qualifications:

• 5+ years of professional software development experience.
• 3+ years of experience in leading large-scale projects, including managing timelines, tasks, and cross-team collaboration.
• Demonstrated ability to architect, design, and develop scalable and maintainable systems in cloud-based environments (GCP, AWS, etc.).
• Expertise in AI/ML tools and frameworks and integrating them into production systems is a plus.
• Proficiency in programming languages such as Python, Java, C++, or C#, including object-oriented design and design patterns.
• Deep understanding of software architecture, cloud computing, and system design principles.
• Ability to balance the tactical execution of projects with strategic long-term planning, identifying potential risks and opportunities.
• Strong experience in mentoring and guiding teams, promoting best practices in development, design, and problem-solving.
• Strong communication skills, with the ability to navigate difficult situations, find solutions, and help others succeed.

Preferred Qualifications:

• BE /B Tech in Computer Science or related degree (Master's or Ph. D. preferred) along with 8+ years of relevant experience
• Proficiency in object oriented programming in Java, C#,C++, Python, Rails
• Knowledge of Computer Science Fundamentals (data structures, systems design, algorithms, and problem solving).
• Experience with mobile development languages like Kotlin and Swift is an asset.
• Proficiency in coding and designing multi-attribute based analytics system
• Experience with MariaDB, Postgres, Docker, Django
• Familiarity with Linux/Unix
• Comfortable in fast-paced, start-up like development environments

What we offer

• We value career growth so we will provide you with the tools to continuously improve both yourself and the business.
• We encourage an environment where ideas are challenged.
• We love to compete and have fun. Our quarterly team-building outings are what strengthens our Biiibo community!
• Need Time? Take time we provide unlimited paid-time off, with 2 weeks minimum.
• Lots of office perks including healthy snacks, fresh coffee and meeting the cutest pets!

Equal Opportunity Employer

Biiibo is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.