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Added 3 days ago
Senior Java Engineer – Backend & AI-Assistant Vice President
Citi
Mississauga, ON
Full-time
Citi is looking for a Senior Java Engineer to design and deliver high-performance backend systems at the intersection of enterprise software development and applied AI tooling. Based within…
Added 2 days ago
Lead Java Developer
Themesoft Inc.
Toronto, ON
Contract
● Serve as an experienced Lead Developer responsible for designing scalable, secure, and resilient applications that leverage containers, modern Java frameworks, Kotlin, React, and…
Added 2 days ago
Sr. Integration Architect - Automation
Infotree Global Solutions
Toronto, ON
Contract
Database & Scripting - SQL and PL/SQL; custom scripting in Ruby, Python, Java, Groovy, or JavaScript; Custom Connectors via Connector SDK and Developer API.
Added 2 days ago
Full Stack Web Developer
Optimize Financial Group
Toronto, ON
Full-time
…transparent, and more cost-effective. We are looking for a skilled Developer to help build and maintain our cutting-edge wealth management…
Added 3 days ago
Lead Technical Product Manager, Enterprise Architecture
Royal Bank of Canada
Toronto, ON
Full-time
Some programming skills in languages such as Python, Java, or similar.
Added 2 days ago
Senior Software Engineer
Elective
Vancouver, BC
Full-time
Strong TypeScript fundamentals. These matter more to us than having used our exact stack. If you've done this work in Go, Python, Java, or C# and want to write TypeScript, say so.
Added 3 days ago
Senior Java Developer
Citi
Mississauga, ON · ON
Full-time
…business with a high degree of change. The role is a senior lead developer to contribute to the Risk and Trading solution, which will supports and transform the blending of in house and…
Added 3 days ago
Senior Applications Developer - Assistant Vice President
Citi
Mississauga, ON
Full-time
Proficient in core software development technologies including Java 8+, message queues, RDBMS and REST APIs
Added 3 days ago
Backend Java Developer, Officer
Citi
Mississauga, ON
Full-time
Deep understanding of Core Java (Java 17/21), including modern features (Lambdas, Streams, Records, Pattern Matching), multi-threading, concurrency, and memory management.
Added 2 days ago
Java Application Developer
Jobility Talent Solutions
Toronto, ON
Contract
This is a senior technical Java Developer position combining hands-on development with team guidance and production support responsibilities. You'll work with a small global developer team…
Added 2 days ago
Senior Java Software Engineer
Experis Canada
Montreal, QC
Contract
We are looking for a Custom Software Engineer / Development Lead with strong experience in Java, Spring Boot, Microservices, REST APIs, Kafka, and AWS. The successful candidate will lead…
Added 2 days ago
Fircosoft Developer
Avanciers Inc.
Canada
Contract
Avanciers Incorporated is hiring a Fircosoft Developer for one of our clients.
Added 2 days ago
Software Developer
Teckhorizon Inc
Toronto, ON
Contract
Our Client is looking for a Junior Software Developer with experience in Oracle development, data integration, ETL, and enterprise data platforms to support a large public-sector…
Added 2 days ago
Senior Java Developer
Prolifics
Montreal, QC
Contract
We are looking for a Java developer (8-10 years exp) who can take ownership for the whole end to end delivery, performing analysis, design, coding, testing, and maintenance of large-scale…
Added 2 days ago
Junior QA Analyst
MatchBox Consulting Group
Burnaby, BC
Contract
Create and maintain automated test scripts using Selenium, Java, and Cucumber where appropriate.
Added 2 days ago
Software Engineer - Monitoring
Motive
Vancouver, BC
Experience in modern programming languages. Proficiency in Ruby, Golang, Kotlin/Java is a plus.
Added 2 days ago
SAP BTP AI Solutions Architect
Talan
Toronto, ON
$160,000 to $200,000 CAD / year
Full-time
CAP and integration expertise: At least four (4) years with CAP in Node.js or Java and three (3) years with SAP Integration Suite, including API Management and Event Mesh.
Added 2 days ago
AI Platform Engineer with DevOps Experience
Zodiac Solutions, Inc
Halifax, NS
Full-time
We are looking for a Developer obsessed with efficiency and automation to be part of an autonomous team to deliver services for application teams across Capital Markets. An open minded…
Added 2 days ago
Senior Java Software Engineer
VLink Inc
Montreal, QC
$55 to $70 CAD / hour
Contract
We are looking for a Java developer (8-10 yrs exp) who can take ownership for the whole end to end delivery, performing analysis, design, coding, testing, and maintenance of large-scale and…
Added 3 days ago
Senior Software Developer
Euna Solutions
ON · Oakville, Ontario
Full-time
…depend on to responsibly manage public dollars. As a Senior Developer, you will own features end to end across a modernization effort moving a large-scale legacy monolith toward a more…
Added 2 days ago
Team Lead, Senior Fullstack Engineer
Arcadia
Toronto, ON
$160,000 to $220,000 CAD / year
Full-time
Strong backend experience with Java / Spring Boot or comparable stacks
Added 2 days ago
SAP BTP AI Solutions Architect
Talan
Toronto, ON
$160,000 to $200,000 CAD / year
Full-time
CAP and integration expertise: At least four (4) years with CAP in Node.js or Java and three (3) years with SAP Integration Suite, including API Management and Event Mesh.
Added 2 days ago
Java Developer
Themesoft Inc.
Toronto, ON
Contract
Serve as an experienced Java Developer responsible for designing scalable, secure, and resilient applications that leverage containers, modern Java frameworks, Kotlin, React, and PostgreSQL…
Added 2 days ago
Senior Java Software Engineer
Maarut Inc
Quebec, QC
Contract
Senior Java Developer – AWS | Spring | Microservices
Added 3 days ago
Staff Software Engineer
VGS
Canada
Full-time
…with a highly consistent modern stack (e.g. AWS, Kubernetes, Java, TypeScript, Python) and world-class AI-augmented SDLC tooling. We strip away the friction so you can focus on the problems…

VGS

Staff Software Engineer

Canada

Pay: $160,000 - $220,000 a year
Job type: Full-time
Experience: Ownership at Scale: 10+ years of experience taking personal ownership of outcomes in complex, large-scale distributed systems within mission-critical environments.
Posting language: English
Posted: Sep 18, 2026

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Original job description

About VGS

VGS is building the trust infrastructure for a new era of commerce. As commerce becomes agentic, payments are increasing dramatically in volume, speed, and complexity, and the companies driving that shift need a foundation they can fully trust.

That's where VGS comes in. We're the world's leader in payment tokenization, trusted by the most innovative AI and Fortune 500 companies, merchants, banks, and fintechs to power modern payments and agentic commerce. We store more than 9 billion tokens and process more than 10 billion monthly interactions, touching a third of all e-commerce. That scale isn't incidental. It's why leading companies embed our universal token vault and credential management platform directly into their stack, taming the complexity of payment data so they can move faster.

Come build the platform that enables modern payments for the world's largest companies. We're helping businesses unlock new possibilities in an industry that never stops moving. And that takes exceptional people.

Trusted Engineering That Matters

Engineering at VGS

VGS is building the platform powering agentic commerce and global payments infrastructure. VGS Engineering is the pillar that supports that vision. We create a platform that is an indispensable, ubiquitous component of our partners' payments and security infrastructure. We build and operate high-scale, reliable, and resilient systems that manage mission-critical payment data across the globe. We don't just participate in the payments ecosystem; we power it.

Our Environment & Culture

Modern Tooling as Leverage: We value speed and impact. To ensure nothing slows you down, we arm you with a highly consistent modern stack (e.g. AWS, Kubernetes, Java, TypeScript, Python) and world-class AI-augmented SDLC tooling. We strip away the friction so you can focus on the problems that demand creativity and judgment.
Ownership of Outcomes: Scaling global payments infrastructure requires individuals who take personal ownership of outcomes from day one. We look for builders who combine high agency with deep strategic alignment; channeling their urgency and relentless iteration into what matters most.
Mission-Critical Accountability: We power payments infrastructure for global market leaders, making system trust and integrity our core deliverable. We don't treat compliance (PCI, SOC2, ISO27001), security patching, and platform maintenance as administrative overhead - we engineer them with first-class product discipline. In payments infrastructure, reliability is not background work, it’s part of what customers buy.

Learn More: See how our engineering practices drive trust and innovation in our official blog and our reliability practices.

About the Role

We’re building payment infrastructure for a world where AI agents don’t just recommend, search, and summarize. They transact.

The Agentic API is creating the secure backend layer that enables trusted agents to initiate purchases, operate within user-approved mandates, retrieve scoped payment credentials, and complete transactions without exposing raw card data.

As a Staff Software Engineer, you’ll help pioneer a new category of payment infrastructure at the intersection of AI, card networks, cryptography, and secure money movement, building clean, reliable APIs for the next generation of commerce.

What You’ll Do

Architect Agentic Payment Infrastructure: Lead the design and evolution of Python 3.13+ and FastAPI services powering secure, production-critical agentic payment flows.
Define the Core API Platform: Design APIs and domain models for card enrollment, agentic token provisioning, purchase intents, mandates, device attestation, OTP flows, confirmations, and cryptogram retrieval.
Own Security, Reliability & Scale: Drive architectural decisions across security, scalability, availability, performance, and developer experience for sensitive payment and cryptographic workflows.
Build Deep Observability: Establish consistent patterns for error handling, traceability, structured logging, metrics, and distributed tracing using OpenTelemetry and Prometheus.
Automate Platform Provisioning: Design extensible provisioning workflows using Kubernetes APIs and Custom Resource Definitions.
Set the Quality Bar: Define rigorous unit, integration, acceptance, and end-to-end testing strategies for high-risk payment flows, including canary-safe production validation.
Lead Complex Initiatives: Lead technical design reviews, surface architectural and delivery risks early, and drive cross-functional initiatives from initial exploration through reliable production operation.
Pioneer AI-Native Engineering: Apply AI-assisted development and agentic workflows across the SDLC to accelerate prototyping, testing, refactoring, investigation, and delivery while maintaining a high quality and security bar.
Partner Across the Ecosystem: Collaborate with Product, Security, Infrastructure, Platform, and external card-network partners to translate evolving requirements into secure, scalable systems.

What You Bring

Ownership at Scale: 10+ years of experience taking personal ownership of outcomes in complex, large-scale distributed systems within mission-critical environments.
AWS & Infrastructure-as-Code: Advanced proficiency in AWS ecosystems leveraging Terraform to build reproducible environments.
Containerization & Orchestration: Strong, hands-on experience with Kubernetes (EKS), Docker, and GitOps workflows (Flux, Argo, GitHub Actions).
Automation & Scripting: Strong coding skills in Python to automate infrastructure and build operational tools.
Observability Expertise: Experience implementing Prometheus, Grafana, or OpenTelemetry at scale.
Security & Networking Foundations: Solid understanding of cloud security, API Gateways, load balancing, and network isolation, viewing security as a fundamental engineering constraint, not an afterthought.

Nice to Have:

Experience with tokenization, payment processing, or security products
BA/BS degree
A knack for out-of-the-box thinking that thrives in a fast-paced startup environment
Experience designing mandate, credential-provisioning, authentication, attestation, or cryptogram-based workflows.
Experience applying AI developer tools or agentic automation to day-to-day engineering workflows.

We're looking for passionate professionals who take pride in their craft and want to help grow a team tackling some of the most critical problems in payments. People who thrive here are curious by nature, unafraid of hard problems, and motivated by the chance to build something that matters at scale.

If you're driven to make a meaningful impact, work at the leading edge of payment technology, and grow your career alongside a team that values ownership, collaboration, and continuous learning, you'll feel right at home at VGS.

\n\n

$160,000 - $220,000 a year

How We Work

At VGS, we embrace a remote-first philosophy because we believe flexibility leads to great work and a healthy work-life balance. That said, if you live within 30 miles of one of our office locations, you'll be on a hybrid schedule with some in-person time, because we know there's real value in coming together.

We're not about being in the office every day. We are about connection, collaboration, and the energy that comes from a great brainstorm, a team lunch, or celebrating a big win in person.

Our Benefits

Financial and retirement

Competitive salary
401 (k) with a 4% match and immediate vesting (applies to US only)
Early equity
Internet Stipend
Learning Stipend
Office set-up stipend (applies to US only)

Health and Wellness

Insurance (medical, dental, and vision)
HSA/FSA Options
Life and disability insurance
Pet insurance

Vacation and time off

Flexible PTO
Paid national holidays
Global parental leave program

Professional Development

Promote from within
Lunch and learns
Team events and summits

Office life and perks

Remote and hybrid opportunities
Flexible working hours
Weekly office lunches
Employee discount platform

Equal Opportunity

We consider all applicants without regard to race, color, national origin, sex, age, religion, sexual orientation, gender identity, veteran status, marital status, physical or mental disability, or other protected classes under all applicable local, state, and federal laws and ordinances (AA/EOE/W/M/Vet/Disabled).

Qualified applicants with arrest and conviction records will be considered for this position in accordance with the San Francisco Fair Chance Ordinance.

Where We're Hiring

We are currently hiring in the following locations: Arizona, California, Colorado, Connecticut, Florida, Idaho, Illinois, Iowa, Michigan, Minnesota, New York, North Carolina, Ohio, Oregon, Pennsylvania, Texas, Utah, Virginia, Washington, Ontario (Canada), Alberta (Canada), and British Columbia (Canada).

VGS-286

A Note on Our Hiring Process

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More about this job

Responsibilities

Architect and lead the development of secure, high-scale payment infrastructure for agentic commerce using Python and FastAPI. Drive architectural decisions regarding security, scalability, and reliability while partnering with cross-functional teams to integrate complex payment flows.

Requirements

Requires 10+ years of experience in large-scale distributed systems and advanced proficiency in AWS, Kubernetes, and infrastructure-as-code. Candidates must demonstrate strong ownership, deep security knowledge, and expertise in building reliable, production-critical services.

Skills

Python
FastAPI
AWS
Kubernetes
Terraform
Docker
GitOps
Prometheus
Grafana
OpenTelemetry
Distributed systems
Cloud security
API design
Payment infrastructure
Cryptography
System architecture

Benefits

401(k) with 4% match
Early equity
Internet stipend
Learning stipend
Office set-up stipend
Health insurance
Dental insurance
Vision insurance
HSA/FSA options
Life and disability insurance
Pet insurance
Flexible PTO
Paid national holidays
Global parental leave program
Employee discount platform

Visa sponsorship

Not detected in the job text

Keywords

Staff Software Engineer
Payment Tokenization
Agentic Commerce
AWS
Kubernetes
Python
FastAPI
Terraform
GitOps
Flux
Argo
GitHub Actions
Prometheus
Grafana
OpenTelemetry
Distributed Systems
Cloud Security
API Gateways
Load Balancing
Network Isolation
PCI
SOC2
ISO27001
Cryptography
Payment Processing
Infrastructure-as-Code
Observability
Scalability
Reliability
SDLC

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