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$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...SeniorC#InternshipImmediate start$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...PhpFull time$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...SeniorC#Full timeWork at officeRemote workusd89.2k - 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 timeInternship$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–...SeniorRemote jobContract workSummer work$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...SeniorFull timeWork at officeLocal areaFlexible hours$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...SeniorHourly payWork at officeFlexible hours3 days per week$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...SeniorLocal areaWorldwideFlexible hours$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...SeniorC#InternshipImmediate start$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...SeniorFull timeWork at officeLocal areaFlexible hours$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...SeniorPhpFull timeWork at office$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...SeniorFull timeWork at officeLocal areaFlexible hours3 days per week$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...SeniorLocal areaWorldwide$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...SeniorC#Long term contractPermanent employmentFull timeWork at officeShift work$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;...SeniorFull timeWork at officeLocal areaWorldwideFlexible hours$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,...SeniorLong term contractWork from home- ...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...SeniorPermanent employmentFull timeSummer workInternshipWork at officeRemote workWork from homeShift work
- ...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...SeniorWork at officeLocal areaRemote workFlexible hoursShift work2 days per week
$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,...SeniorLocal areaWorldwide- ...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...SeniorLong term contractFull timeWork at officeLocal areaFlexible hours
- ...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...SeniorFull timeWork at officeRemote work2 days per week
$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...SeniorLocal areaWorldwide$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,...SeniorLong term contractLocal areaWorldwideFlexible hours$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...SeniorFull timeInternshipWork at officeLocal areaFlexible hoursShift work$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...SeniorLong term contractFull timeSeasonal work$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...SeniorPermanent employmentFlexible hours$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...SeniorPermanent employmentFlexible hours$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...SeniorLive InRemote work$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...SeniorRemplacementLong term contractFull timeTemporary workLocal areaFlexible hours$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
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!
- senior c# developer Toronto, ON
- .net c# developer Toronto, ON
- c# developer Toronto, ON
- junior c# developer Toronto, ON
- senior web designer Toronto, ON
- senior project engineer Toronto, ON
- senior ruby developer Toronto, ON
- senior crm manager Toronto, ON
- cpa senior accountant Toronto, ON
- senior part time Toronto, ON

