Senior Backend Engineer (Reliability & Performance)

Location: Vancouver, BC
Employment Type: Full-Time
Work Arrangement: In Office
Salary: $100,000 – $130,000

About the Opportunity

Tundra Technical Solutions is partnering with a rapidly growing technology company in the digital payments and financial technology sector to hire a Senior Backend Engineer (Reliability & Performance).

Our client develops modern financial infrastructure used by businesses to manage and process complex payment workflows within their applications and platforms. Their technology enables organizations to streamline financial operations, improve transaction processing efficiency, and build scalable financial capabilities into their digital products.

As the company continues to expand, they are looking for an experienced backend engineer who is passionate about building high-performance, resilient, and secure systems that support large-scale financial transactions and mission-critical workloads.

This is an opportunity to join a high-impact engineering team working on complex distributed systems where reliability, scalability, and performance are essential.

Role Overview

The Senior Backend Engineer (Reliability & Performance) plays a key role in ensuring the availability, scalability, and security of production systems.

This is a hands-on engineering position that blends backend software development with operational system reliability. You will spend a significant portion of your time writing production-level code and implementing architectural improvements that enhance platform stability, performance, and security.

You will also contribute to improving monitoring and alerting capabilities, supporting cloud infrastructure initiatives, and strengthening the overall operational maturity of the platform.

The role involves close collaboration with engineering, product, security, and support teams to investigate and resolve complex technical challenges in high-demand environments.

This opportunity is ideal for a senior engineer who enjoys solving infrastructure and performance challenges while designing systems that scale reliably.

Critical Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience

• 4+ years of experience in Site Reliability Engineering, Backend Software Engineering, or Platform Engineering roles

• Strong programming ability in at least one server-side language such as Python, Java, Go, or PHP

• Proven experience with system scalability, performance optimization, and architecture design

• Strong knowledge of cloud infrastructure (AWS preferred)

• Experience with monitoring and observability platforms such as Datadog or similar tools

• Excellent analytical and troubleshooting abilities

• Strong understanding of security best practices for modern cloud environments

Minimum relevant experience required: 4 years

Additional Desirable Qualifications

• Experience optimizing high-volume transactional systems for performance and reliability

• Familiarity with Infrastructure-as-Code tools such as Terraform, CloudFormation, or similar

• Experience working with serverless environments and event-driven architectures

• Knowledge of CI/CD pipeline configuration and deployment automation

• Experience supporting cloud access control and security best practices, including permissions management and network security policies

• Familiarity with compliance standards commonly used in regulated environments such as SOC 2 or PCI DSS

Key Responsibilities

Platform Scalability & Development

• Collaborate with engineering leadership to design and implement improvements that support long-term platform growth

• Develop high-quality backend code that enhances system reliability and operational efficiency

• Lead initiatives focused on improving platform scalability, performance, and stability

• Proactively identify and resolve performance bottlenecks before they impact users

• Conduct load and stress testing to validate system capacity and resilience

• Deliver enhancements, bug fixes, and reliability improvements directly within the platform codebase

Monitoring & Observability

• Maintain and enhance monitoring, alerting, and logging capabilities to ensure early detection of anomalies

• Define and track operational metrics including key performance indicators and reliability objectives

Incident Response & Advanced Support

• Partner with support teams to investigate and resolve complex production issues

• Work cross-functionally with engineering, product, and security teams to diagnose root causes of incidents

• Lead post-incident analysis and implement improvements to prevent recurrence

Infrastructure Management

• Contribute to the design and evolution of cloud-based infrastructure

• Promote automation and modern infrastructure management practices

• Support capacity planning initiatives to ensure scalable and cost-efficient infrastructure

Security

• Assist with implementing and maintaining platform security controls, including access management and data protection practices

• Work with security teams to support incident response processes and remediation activities

• Promote secure engineering practices across development and infrastructure environments

If you're interested in learning more about this opportunity, please apply directly or reach out to Tundra Technical Solutions to discuss the role further.