Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Software Engineer - AI-Driven Payments (C#/PHP)

NMI Company

NMI is seeking a Senior Software Engineer to join our Development team, reporting to the Engineering Manager. You will work on core billing and invoicing systems using C# and PHP, with AI-assisted development using Claude and Cursor.

You’ll review AI-generated code for security, performance, and maintainability and own architectural decisions. The role emphasizes collaboration and mentoring in a remote-first environment.

#J-18808-Ljbffr
Vacancy posted 15 hours ago
Similar jobs that could be interesting for youBased on the Senior Software Engineer - AI-Driven Payments (C#/PHP) in Toronto, ON vacancy
  • $118k - $152k per year

     ...The Role Capco is seeking a Senior Software Engineer with strong expertise in C#, .NET, ASP.NET Core, and API development to join our Technology & Engineering practice in Toronto. In this role, you will design, develop, modernize, and maintain enterprise applications... 
    Senior
    C#
    Internship
    Immediate start

    Capco

    Toronto, ON
    20 days ago
  • $180k per year

    Role: Manager, Software Engineering (PHP/Laravel) Rates: Up to $180k p/y Location: Toronto / GTA Structure: Full time -- We have a great new...  ...technical improvements and mentoring. Support practical AI adoption: Help engineers use AI tools across development, testing... 
    Php
    Full time

    CorGTA

    Toronto, ON
    3 days ago
  • $130k - $150k per year

     ...scaling our platform and expanding our AI capabilities, we're looking for experienced engineers who thrive in fast-moving environments, embrace AI-first software development, and take ownership from...  ...is looking for a highly motivated Senior Software Engineer with deep backend... 
    Senior
    C#
    Full time
    Work at office
    Remote work

    Fable

    Toronto, ON
    1 day ago
  • usd89.2k - usd129.4k per year

     ...risk assessment, we’re advancing AI to move from insight to action—...  ...~2+ years of professional software development experience working...  ...programming languages including C#, Visual Basic .NET, and Python;...  ...AWS RDS, and embedded database engines such as MS Jet, SQLite, and DuckDB... 
    C#
    Full time
    Internship

    Moody's

    Toronto, ON
    15 hours ago
  • $120 - $180 per hour

     ...Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors...  ..., Larry Summers , and Jack Dorsey . Position: Senior Software Engineering Experts Type: Contract Compensation: $120–... 
    Senior
    Remote job
    Contract work
    Summer work

    Mercor

    Toronto, ON
    8 days ago
  • $100k - $145k per year

     ...About the role We're building the next generation of AI‑powered platforms for tax and accounting professionals, and we’re looking for a Senior Software Engineer who can architect high‑performance backend systems that bring real‑world AI capabilities to life. If you thrive... 
    Senior
    Full time
    Work at office
    Local area
    Flexible hours

    Thomson Reuters

    Toronto, ON
    15 hours ago
  • $136k - $170k per year

     ...belong and have the opportunity to thrive. Lyft is looking for software engineers from a scope of disciplines. We are growing our team with...  ...focusing on delighting our passengers and drivers. The Applied AI team is looking for a Backend Engineer to join the AI Entries team... 
    Senior
    Hourly pay
    Work at office
    Flexible hours
    3 days per week

    Lyft

    Toronto, ON
    17 days ago
  • $136k - $187k per year

     ...Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building...  ...this mission. If you are too, let's talk. We are looking for a Senior Software engineer who is passionate about writing the tools to integrate and... 
    Senior
    Local area
    Worldwide
    Flexible hours

    Okta

    Toronto, ON
    6 days ago
  • $118k - $152k per year

     ...Build and deliver complex enterprise software solutions for financial services clients. The Role As a Senior Software Engineer at Capco, you’ll design, develop, modify, maintain...  ...maintain enterprise web applications using C#, .NET, Angular, TypeScript, HTML5, CSS3, SQL... 
    Senior
    C#
    Internship
    Immediate start

    Capco

    Toronto, ON
    27 days ago
  • $100k - $145k per year

     ...Job Description Build and deploy production AI solutions that help tax and audit professionals improve accuracy, streamline...  ...work, and deliver better outcomes for their clients. As a Senior Software Engineer, you will combine Python, backend engineering, large language... 
    Senior
    Full time
    Work at office
    Local area
    Flexible hours

    Thomson Reuters

    Toronto, ON
    15 hours ago
  • $130k - $160k per year

     ...Role : Bilingual Senior Software Engineer (PHP / Typescript / Javascript) Location: Toronto (2 days in office) or Montreal (2 days in office) Compensation: Annual Base salary between $130,000-$160,000 -- We have a great new opportunity to support one of our clients... 
    Senior
    Php
    Full time
    Work at office

    CorGTA

    Toronto, ON
    27 days ago
  • $105k - $155k per year

    Job Description We are looking for a hands-on Senior Software Engineer with strong DevOps and cloud platform expertise to design, build, deploy...  ...distributed systems using asynchronous messaging, event-driven architecture, caching, service-to-service communication and... 
    Senior
    Full time
    Work at office
    Local area
    Flexible hours
    3 days per week

    Thomson Reuters

    Toronto, ON
    15 hours ago
  • $136k - $187k per year

     ...Secure Every Identity, from AI to Human Identity is the key to unlocking the potential...  ...(OIG) organization is looking for a Senior Engineer to join our team — OIG is Okta’s Identity...  ...challenge of building enterprise-grade software that millions of users depend on. This... 
    Senior
    Local area
    Worldwide

    Okta

    Toronto, ON
    6 days ago
  • $95k - $145k per year

    Senior Software Engineering Specialist Position Description Location: Toronto/Montreal Preferred other locations in Canada will be considered...  ...peer code reviews, and advocate for coding standards and test-driven development (TDD). Software Delivery & Automation... 
    Senior
    C#
    Long term contract
    Permanent employment
    Full time
    Work at office
    Shift work
    Toronto, ON
    29 days ago
  • $140k - $175k per year

     ...transforming the future of legal research with AI? Join our Global Westlaw Engineering organization and help shape the next...  ...develop innovative products and AI-driven solutions that help legal...  ...scalable technical specifications; mentor senior and junior software engineers;... 
    Senior
    Full time
    Work at office
    Local area
    Worldwide
    Flexible hours

    Thomson Reuters

    Toronto, ON
    15 hours ago
  • $140k - $190k per year

     ...credit applications annually.   ---  We’re looking for a  Senior Software Engineer who takes end-to-end ownership, thrives in ambiguity, and...  ...build it. If you build it, you own it. Experience leveraging AI,  Generative AI (GenAI)to enhance engineering productivity,... 
    Senior
    Long term contract
    Work from home

    AutoTrader.ca

    Toronto, ON
    25 days ago
  •  ...building the command center for creative strategists : an AI-native platform that bridges the gap between performance marketers...  ...from our Co-Founder & CEO, Reza Khadjavi . About the Senior Software Engineer role As a Senior Software Engineer, you'll work across the... 
    Senior
    Permanent employment
    Full time
    Summer work
    Internship
    Work at office
    Remote work
    Work from home
    Shift work

    Motion

    Toronto, ON
    7 days ago
  •  ...diners. The OT4R iOS app is a sophisticated software tool that enables restaurant hosts,...  ...collaborate with a hardworking and diverse group of engineers, designers, and product managers who are...  ...opportunities for code reuse. You embrace AI-native development, and you own the... 
    Senior
    Work at office
    Local area
    Remote work
    Flexible hours
    Shift work
    2 days per week

    OpenTable

    Toronto, ON
    6 days ago
  • $136k - $187k per year

     ...Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the...  ...security and operations pain points at scale.  We are looking for a software engineer to join our fast-growing team with a focus on scalability,... 
    Senior
    Local area
    Worldwide

    Okta

    Toronto, ON
    6 days ago
  •  ...Thomson Reuters is building the AI platform that will power the next decade of tax,...  ...on real client work every day. As a Lead Software Engineer (Staff Engineer), you will own core backend...  ...big surface area: Join a tight group of senior engineers and researchers shipping quickly... 
    Senior
    Long term contract
    Full time
    Work at office
    Local area
    Flexible hours

    Thomson Reuters

    Toronto, ON
    15 hours ago
  •  ...Responsibilities Collaborate with engineers, product managers, and designers to refine requirements, assess scope, communicate trade-offs...  ...maintainable, reusable code and validate the quality and accuracy of AI-assisted development output. Strong communication skills and... 
    Senior
    Full time
    Work at office
    Remote work
    2 days per week

    OpenTable

    Toronto, ON
    4 days ago
  • $140k - $192.5k per year

     ...Secure Every Identity, from AI to Human Identity is the key...  ...looking for an Observability Engineer to help ensure our Product and...  ...while we continue to rapidly ship software our customers love. Our...  ...development in these areas. As a Senior Engineer on this team, you... 
    Senior
    Local area
    Worldwide

    Okta

    Toronto, ON
    6 days ago
  • $136k - $187k per year

     ...Secure Every Identity, from AI to Human Identity is the key to unlocking the...  ...with their unique experiences. The Engineering Opportunity Okta's Workforce Identity...  ...daily active users. We are seeking a Senior Back-End Software Engineer to help own the scalability,... 
    Senior
    Long term contract
    Local area
    Worldwide
    Flexible hours

    Okta

    Toronto, ON
    7 days ago
  • $140k - $175k per year

     ...What if the AI agents you architect empower legal professionals to...  ...builds and ships using AI-native engineering practices: agentic coding tools that let a small, senior group move at a pace well beyond...  ...architecting and shipping production software systems, including hands-on... 
    Senior
    Full time
    Internship
    Work at office
    Local area
    Flexible hours
    Shift work

    Thomson Reuters

    Toronto, ON
    15 hours ago
  • $135k - $165k per year

     ...ROLE: SENIOR SOFTWARE ENGINEER TEAM: PRODUCT LOCATION: TORONTO (HYBRID) COMPANY OVERVIEW Salt is a North American marketing agency that...  ...a Senior Software Engineer building the next generation of AI products. This is a hands-on senior software development role... 
    Senior
    Long term contract
    Full time
    Seasonal work

    SALT XC

    Toronto, ON
    a month ago
  • $69k - $114k per year

     ...typical day look like? We’re looking for a Software Engineer to design, build, and support scalable...  ...• Develop APIs, integrations, and event-driven solutions using modern architectural...  ...with architects, platform engineers, and senior developers on technical design decisions... 
    Senior
    Permanent employment
    Flexible hours

    Deloitte

    Toronto, ON
    6 hours ago
  • $58k - $96k per year

     ...look like? We’re looking for a Junior Software Engineer to support the development of scalable applications...  ...into working solutions using generative AI and modern engineering practices....  ...risk, and maximize the value of AI-driven development. Enough about us, let’s talk... 
    Senior
    Permanent employment
    Flexible hours

    Deloitte

    Toronto, ON
    6 hours ago
  • $137k - $172k per year

     ...one company, bringing together two mission-driven brands to create the world’s most...  ...they need for a world being reshaped by AI. Read more about the combined company by...  ...at global scale. Job Overview As a Senior Software Engineer, you will join a fast-paced innovation... 
    Senior
    Live In
    Remote work

    Coursera

    Toronto, ON
    29 days ago
  • $137.2k - $196k per year

     ...About the Role:  As a Senior iOS Engineer at Tubi, you’ll play a critical role on our mobile engineering...  ...and ad integration. Leverage AI-powered tools and automation solutions to...  ...similar platforms. Familiar with the test-driven development approach and automated... 
    Senior
    Remplacement
    Long term contract
    Full time
    Temporary work
    Local area
    Flexible hours

    Tubi

    Toronto, ON
    25 days ago
  • $124k - $155k per year

     ...one company, bringing together two mission-driven brands to create the world’s most...  ...they need for a world being reshaped by AI. Read more about the combined company by...  ...at global scale. Job Overview: As a Senior Software Test Engineer (Test Infrastructure and Tooling... 
    Senior

    Coursera

    Toronto, ON
    26 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Software Engineer - AI-Driven Payments (C#/PHP). Be the first to apply!