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Added 2 mins ago
Retail Client Manager
dunnhumby
Toronto, ON
Experience within retail and confidence engaging senior retail stakeholders.
Added 30 mins ago
Senior Workday Functional Specialist
Fanshawe College
London, ON
Full-time
…how we support our employees, finances, and future student services. Having successfully deployed Workday Human Capital Management (HCM), Finance, and Adaptive Planning, the College is now…
Added 30 mins ago
Development Officer, Gifts & Estate Planning
BoldHouse Executive Search
Vancouver, BC
Full-time
The Foundation is also open to hiring at the Senior Development Officer level, depending on experience. The salary range for Senior Development Officer is $78,000 to $100,000.
Added 30 mins ago
Activity Aide Regular Full Time (RSM AAide3 1.00) AgeCare Samac
AgeCare
Oshawa, ON
Full-time
The Recreation Worker facilitates planned and spontaneous opportunities to support the maintenance and development of resident skills and knowledge as well as the development of…
Added 30 mins ago
Customer Success Manager DACH, Utrecht (hybrid)
Brainial
Success, SK
Full-time
…writing strong proposals. Clients in construction, IT, facility services, engineering, manufacturing and staffing use Brainial to save time, lower costs and avoid missing crucial details.…
Added 30 mins ago
Customer Success Manager Benelux, Utrecht (hybrid)
Brainial
Success, SK
Full-time
…writing strong proposals. Clients in construction, IT, facility services, engineering, manufacturing and staffing use Brainial to save time, lower costs and avoid missing crucial details.…
Added 30 mins ago
Senior Construction Project Manager / Foreman
Rénovation et Restauration après Sinistre, Renovco Inc.
Dorval, QC
Full-time
Renovco Inc. is a leader in renovation and restoration services in the greater Montreal area, offering expertise in residential, commercial, and industrial sectors. With services that range…
Added 30 mins ago
Store manager
Bumper to Bumper Canada
Yarmouth Indian Reserve No. 33, NS · Yarmouth, NS
Full-time
Strategic planning and execution to enhance the profitability, productivity and efficiency of the store including resource planning, budget development and managing efficiencies
Added 30 mins ago
Program Manager
Leonardo DRS
Bedford, QC
Full-time
Reporting to the Senior Director - Line of Business Lead, the Program Manager is responsible to coordinate and monitor the design, development and testing of switch-mode power conversion…
Added 32 mins ago
Senior Administrative Assistant, Tax
MNP
BC · Surrey, BC
Full-time
Make an impact with our Administration team as a Senior Administrative Assistant. This diverse team of professionals directly contributes to the success of the firm by supporting internal…
Added 32 mins ago
Student, Projects Engineering
Inter Pipeline Ltd.
Calgary, AB
Assisting in contract development and evaluation for construction and consulting services.
Added 32 mins ago
Director of Sales
Sun Life
Toronto, ON · Sun Life Toronto One York
Full-time
Coach and develop managers and emerging leaders through clear expectations, regular feedback, development planning and succession actions.
Added 32 mins ago
Vice President, Manufacturing
Motor Coach Industries
Winnipeg, MB
Full-time
Build manufacturing leadership capability through workforce planning, leadership development, succession planning, training, labour resource planning, employee engagement, and effective…
Added 32 mins ago
Director, Manager Research & Oversight
Aviso Wealth
Remote, Canada
$135,000 to $170,000 CAD / year
Full-time · Remote
Lead manager searches, due diligence and selection recommendations for new and existing investment strategies, presenting clear, evidence-based conclusions to senior leadership
Added 32 mins ago
Director, Manager Research & Oversight
Aviso Wealth
Remote, Canada
$135,000 to $170,000 CAD / year
Full-time · Remote
Lead manager searches, due diligence and selection recommendations for new and existing investment strategies, presenting clear, evidence-based conclusions to senior leadership
Added 32 mins ago
Senior Advisor, Business strategies
Desjardins
Montreal, QC · Complexe Desjardins Montréal
Full-time
As a senior business strategy advisor, you help develop plans and business intelligence; monitor business plans and performance; set targets; identify opportunities to improve service…
Added 32 mins ago
Advisor, Business
Desjardins
Montreal, QC
Full-time
As a senior business advisor, you help serve, prospect for, solicit, and develop and maintain business relationships with members and clients. You help sell business products and services…
Added 32 mins ago
Senior Lease Administrator
Colliers International
ON · WFH Ontario
As one of Canada’s leading commercial real estate services firms, we are driven by our mission to accelerate success for our people, clients, and communities.
Added 32 mins ago
Specialist, Client Services
CIBC
Toronto, ON
Full-time
…moderately complex issues, escalating more complex matters to senior team members as…
Added 32 mins ago
Manager, Financial Statistics
Government of Alberta
AB
Reporting to the Director, Data and Statistical Services, the Manager, Financial Statistics leads a team responsible for producing and analyzing financial statistics, supporting cross…
Added 32 mins ago
Senior Manager, Revenue Growth Management & Strategy
CONA Services
Toronto, ON
We are looking for a Senior Manager, Revenue Growth Management & Strategy (RGM), Large Store to join our Revenue Growth Management team. If you are a strategic and commercially minded…
Added 32 mins ago
Workday HCM Senior Consultant
BDO
Toronto, ON
Full-time
As a Senior Consultant in our Workday practice, you will play a key role in delivering end-to-end Workday implementations as part of broader Human Capital Management (HCM) transformations.…
Added 32 mins ago
Workday Finance Senior Consultant
BDO
Toronto, ON
Full-time
As a Senior Consultant in our Workday practice, you will play a key role in delivering end-to-end Workday implementations as part of broader Finance transformations. You will combine…
Added 32 mins ago
Software Architect - AI-Enabled Engineering
Wärtsilä
Vancouver, BC
We are looking for an experienced Senior Full-Stack Software Engineer to support the continued development of our Digital Port Solutions portfolio while helping advance our software…
Added 32 mins ago
Director, Merchandising
Sephora
Toronto, ON
…category strategies align with overall business goals. As a key senior leader, you will influence and collaborate across multiple functions and North American stakeholders to bring…

Tachyon Technologies

Senior Dotnet Developer

Mississauga, ON, Canada

Job type: Contract
Apply by: Oct 31, 2026
Experience: 7+ years of professional software engineering experience in a multi-team, production environment.
Posting language: English
Posted: Oct 1, 2026

Apply About employer

Applications open in a new tab.

Original job description

Position: .NET Developer

Location: Mississauga, ON L4W 5K9, Canada- Hybrid role 3 days onsite a week

Duration: 12 Months

Responsibilities

Design, and deliver highly scalable, fault-tolerant services and features across our microservices platform.
Take end-to-end technical ownership - from requirements through deployment, monitoring, and production support.
Lead technical design discussions and contribute meaningfully to architecture decisions, technology choices, and engineering standards.
Proactively identify and address technical debt - refactor and improve maintainability, performance, and reliability of the codebase.
Troubleshoot and resolve complex production issues with urgency and structured problem-solving.
Collaborate with Product, QA, and stakeholders to clarify requirements, surface risks early, and drive solutions to completion with minimal supervision.
Champion engineering best practices - testing, CI/CD, security, observability, and documentation.
Leverage AI developer tools (e.g., GitHub Copilot, Claude, Cursor) effectively to accelerate development and improve engineering output.
Perform other duties as assigned.

Required Qualifications

7+ years of professional software engineering experience in a multi-team, production environment.
.NET Framework / .NET Core / C# – expert-level experience designing and building APIs, microservices, and back-end systems; strong grasp of design patterns and SOLID principles.
React – Experience building scalable, maintainable front-end applications; strong understanding of state management, performance optimization, and component architecture.
Good grasp of JVM-based language fundamentals (Java or Kotlin); able to read, reason about, and contribute to codebases beyond the primary stack when the need arises.
Microsoft Azure – solid working knowledge of Azure services with hands-on experience across one or more of the following: Azure Container Apps (ACA), App Services (Web Apps), Azure Service Bus, Managed PostgreSQL, Key Vault, Application Gateway, Virtual Networks (VNet) & Subnets, Private Endpoints, and Private DNS Zones; experience deploying and operating production workloads in Azure.
Databases (SQL Server & PostgreSQL) – expert-level experience with relational database design, complex query optimization, indexing strategies, and performance tuning.
RESTful API design – proven ability to design, build, version, and secure APIs at scale.
Strong understanding of microservices architecture, distributed systems, and integration patterns.
Containers (Docker) – strong hands-on experience; comfortable with containerized application design, networking, and deployment.
Experience with CI/CD pipelines (Azure DevOps, GitHub Actions, or equivalent).
Solid understanding of Agile / Scrum practices and the full software development lifecycle.
Demonstrated and effective use of AI-assisted development tools as part of everyday engineering workflow.

Nice-to-Have Skills

Experience with Kubernetes or Azure Container Apps for container orchestration.
Familiarity with event-driven architecture and message brokers (e.g., Azure Service Bus, RabbitMQ, Kafka).
Experience with observability tooling - logging, metrics, and distributed tracing (e.g., Application Insights, OpenTelemetry).
Background in e-commerce, marketplace, or transaction-heavy platform environments.
Experience with Test-Driven Development (TDD) and pair programming practices.
Ability to learn and adapt to newer patterns and technologies as the landscape evolves.

Apply About employer

More about this job

Responsibilities

Design, build, and operate scalable, fault-tolerant services and features across a microservices platform, taking ownership from requirements through deployment and production support. Lead technical design and architecture decisions, improve code quality and reliability, resolve production issues, and collaborate with product and QA teams while applying engineering best practices and AI developer tools.

Requirements

Requires 7+ years of professional software engineering experience, expert-level .NET/C# and relational database skills, and experience building React applications, APIs, and microservices. Candidates should also have hands-on Azure and Docker experience, CI/CD knowledge, familiarity with Java or Kotlin, and effective use of AI-assisted development tools.

Skills

.NET
C#
React
Microsoft Azure
Microservices
RESTful API Design
SQL Server
PostgreSQL
Docker
CI/CD
Distributed Systems
Java or Kotlin
AI-Assisted Development Tools
Agile/Scrum
Production Troubleshooting
Technical Design

Visa sponsorship

Not detected in the job text

Keywords

.NET Framework
.NET Core
C#
React
Java
Kotlin
Microsoft Azure
Azure Container Apps
Azure App Services
Azure Service Bus
Managed PostgreSQL
Key Vault
Application Gateway
Virtual Networks
Private Endpoints
Private DNS Zones
SQL Server
PostgreSQL
RESTful APIs
Microservices
Distributed Systems
Docker
CI/CD
Azure DevOps
GitHub Actions
GitHub Copilot
Claude
Cursor
Kubernetes
OpenTelemetry

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