back end engineerdeveloper jobs in Toronto

Design, build, and maintain backend financial and payments systems flows (e.g., core banking, ACH, wire, card, and digital asset transaction processing). Influence software architecture and lead design decisions for the Platform, with particular focus on payments and money-movement systems. Develop, test, and launch new features and releases for the...

We are looking for a Backend Engineer on 1 yr contract for one of our healthcare clients in Toronto.This is a hands on role ideal for an engineer who enjoys learning modern backend patterns and growing their technical depth in a regulated, mission driven environment.Required Skills:Strong experience designing, building, and operating backend services and...

Job Title: Senior Software Engineer (Java)Location: Toronto, ON (Downtown)Work Arrangement: Hybrid – 2–3 days onsite per weekDuration: 8+ month contract with a strong possibility of extension or permanent conversionSchedule: Monday–Friday, core business hours (9 AM–5 PM)Key ResponsibilitiesDrive large-scale engineering projects from design through...

LotusFlare is a provider of cloud-native SaaS products. Headquartered in Silicon Valley and founded by the team that helped scale Facebook to over a billion users, our mission is to make affordable mobile communications accessible to everyone on the planet. We design, build, and continuously evolve a powerful digital commerce and monetisation platform,...

We’re building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what’s right for our clients.At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are and...

Sign in to apply for this position Sign In to Apply Ref: RQ11429 Contract – 9 Months (Extension Possible) Onsite – Toronto (222 Jarvis Street) Posted Date: 2026-10-30 Location: Onsite – Toronto (222 Jarvis Street) Public Sector Experience: Required – OPS / Public Sector Contract End Date: 2027-05-31 * Rate: $99/hour Overview The Government...

Elevate your career with Infosys as a Back End Developer in Toronto/Mississauga, Ontario. Utilize your Java expertise and lead impactful projects within a collaborative environment. Infosys is seeking an experienced Back End Developer with at least 4 years of Information Technology experience. This role involves interacting with stakeholders, driving...

We’re building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what’s right for our clients.At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are and...

We are seeking a Senior Back-End Software Developer to design, build, and maintain scalable, cloud-based applications. This role focuses on developing robust server-side logic, integrating systems, and ensuring high performance and reliability of enterprise applications. The ideal candidate will bring strong experience in cloud technologies, DevOps...

Design, build, and maintain backend financial and payments systems flows (e.g., core banking, ACH, wire, card, and digital asset transaction processing). Influence software architecture and lead design decisions for the Platform, with particular focus on payments and money-movement systems. Develop, test, and launch new features and releases for the...

Hybrid, 3-4 days in office, Downtown Toronto This permanent role is suitable for a engineer with 8 to 15 years of career experience (5-10 as a senior engineer). Experienced with: Microservice architecture and containerization Kafka cloud or local Large mission critical online applications design and infrastructure configuration Relational and non-relational...

About CrownCrown Holdings, Inc. through it's subsidiaries, is a world leader in the metal packaging production process. We design and manufacture a wide range of innovative and sustainable metal packaging solutions and products. Our clients are some of the largest and most respected companies in the world.Crown is dedicated to building a team of highly...

About CrownCrown Holdings, Inc. through it's subsidiaries, is a world leader in the metal packaging production process. We design and manufacture a wide range of innovative and sustainable metal packaging solutions and products. Our clients are some of the largest and most respected companies in the world.About CrownCrown Holdings, Inc. through it's...

At EY, we're all in to shape your future with confidence.We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.Join EY and help to build a better working world.The opportunityEY Electronic Publishing Services Inc. provides tax research and information to EY and also operates as a commercial...

We are looking for a Backend Engineer on 1 yr contract for one of our healthcare clients in Toronto. This is a hands on role ideal for an engineer who enjoys learning modern backend patterns and growing their technical depth in a regulated, mission driven environment. **Required Skills:** - Strong experience designing, building, and operating backend...

Forma.ai is a Series B startup that's revolutionizing how sales compensation is designed, managed and optimized. We handle billions in annual managed commissions for market leaders like Edmentum, Stryker, and Autodesk. Our growth has been fuelled by our passion for fundamentally changing and shaping how companies use sales intelligence to drive business...

Design and build the APIs, services, and data flows that power Quix enterprise platforms and integration layers.Quix is looking for a Senior Back-End Platform Engineer to build reliable, well-structured service layers that enterprise systems depend on. This role is for someone who brings strong judgment on API design, service boundaries, data flow...

Elevate your career as a Senior Back End Software Developer with the Labour and Transportation Cluster in Toronto, ON. This onsite role focuses on advanced programming skills, specifically in PL/I and DB2.This position demands extensive experience in software development and analysis, with a strong focus on database requirements and coding standards. You...

Join to apply for the Senior Back End Software Engineer role at Epistemix. Our software engineers at Epistemix show a clear passion for quality and love to bring software to life. You are energized by the idea of building something new and want to work on problems that matter. In order to do this job well, you must be a curious and eager problem solver with...

We’re building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what’s right for our clients. At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are...