Senior Backend Software Engineer - Rust
About the role
Job Title: Senior Backend Software Engineer - Rust Location: Toronto, ON (Hybrid 2 days) Contract
ABOUT THE ROLE
- We're looking for a Senior Software Engineer to join a highly technical, cross-functional squad building a high-throughput data platform for a global financial intelligence client.
- You'll work primarily on the backend, contributing to a Rust-based microservices architecture that handles millions of entities and audit events at scale.
- The platform is largely in place, your job is to execute with confidence, ship quality code, and collaborate closely with architects to evolve it further.
- This is approximately 95% backend application work, with a small React frontend footprint for
- the right candidate.
- The ideal candidate is in London and can work hybrid, however we are open to remote roles throughout Europe for this.
THE STACK o Rust (primary language — strong proficiency required) o Event-driven microservices with Kafka / Confluent o PostgreSQL for transactional data; transactional outbox pattern o AWS (EC2, ECS, Lambda, etc.) and Kubernetes o Infrastructure as Code on existing AWS patterns o React (single-page app — bonus, not required) o GenAI tooling, specifically Claude, for developer productivity
WHAT YOU'LL DO o Design, build, and maintain scalable backend services and APIs in Rust o Own and execute large portions of defined workstreams end-to-end. You will need to work with ambiguity and help clear it up to complete the work. o Work alongside a senior architect — bring sound technical input to design discussions o Build on top of existing AWS infrastructure patterns using IaC o Collaborate across a squad of ~14: engineers, QA, product, UX, and DevOps o Ensure code quality, performance, and observability across all deliverables o Contribute to code reviews and informally mentor less experienced engineers o Proactively surface blockers and technical risks before they become problems
WHAT WE'RE LOOKING FOR o 3–7 years of experience delivering production software application Solid, demonstrable Rust skills — this is non-negotiable for the role o Hands-on experience with event-driven or microservices architectures o Strong understanding of relational database design and queries (PostgreSQL is a plus) o Familiarity with AWS services and cloud-native infrastructure o Comfortable with Kubernetes and containerised deployments o Independently productive — you know when to ask for help and when to get on with it o Strong communicator who can engage effectively in a distributed, international team o Familiarity with GenAI coding tools (e.g. Claude) as part of your daily workflow o Experience with observability practices (distributed tracing, OpenTelemetry, etc.) a plus o React experience is a bonus but not expected
Not the right fit? Search for Backend Software Engineer jobs in Toronto, Ontario, Canada
About Smart IT Frame LLC
Smart IT Frame stands as a leading NMSDC-certified IT Solutions and Servicing company, founded in 2012 with headquarters in Somerset, New Jersey. Our commitment to promoting Diversity, Equality, and Inclusion (DEI) values is unwavering. With our expertise, we support client initiatives by offering innovative IT solutions and services to leading System Integrators in the private and public sectors.
Specializing in a comprehensive range of end-to-end services, including Artificial Intelligence (AI), Machine Learning (ML), IT Innovation and solutions, Cloud-based solutions, robotics process automation (RPA), cybersecurity, Identity Access Management (IAM), and more, to ensure cutting-edge solutions for our clients.
Since our establishment, we've dedicated ourselves to providing exceptional services globally. Our success stories span across various industries, including banking and finance, insurance, healthcare, retail, telecommunications, manufacturing, and more.
Collaborating with Smart IT Frame ensures expert, top-notch services and dedicated support from a team committed to driving your success. We strive to exceed client expectations, fostering long-term relationships built on trust, reliability, and exceptional results.
Similar Jobs
Senior Backend Software Engineer - Rust
About the role
Job Title: Senior Backend Software Engineer - Rust Location: Toronto, ON (Hybrid 2 days) Contract
ABOUT THE ROLE
- We're looking for a Senior Software Engineer to join a highly technical, cross-functional squad building a high-throughput data platform for a global financial intelligence client.
- You'll work primarily on the backend, contributing to a Rust-based microservices architecture that handles millions of entities and audit events at scale.
- The platform is largely in place, your job is to execute with confidence, ship quality code, and collaborate closely with architects to evolve it further.
- This is approximately 95% backend application work, with a small React frontend footprint for
- the right candidate.
- The ideal candidate is in London and can work hybrid, however we are open to remote roles throughout Europe for this.
THE STACK o Rust (primary language — strong proficiency required) o Event-driven microservices with Kafka / Confluent o PostgreSQL for transactional data; transactional outbox pattern o AWS (EC2, ECS, Lambda, etc.) and Kubernetes o Infrastructure as Code on existing AWS patterns o React (single-page app — bonus, not required) o GenAI tooling, specifically Claude, for developer productivity
WHAT YOU'LL DO o Design, build, and maintain scalable backend services and APIs in Rust o Own and execute large portions of defined workstreams end-to-end. You will need to work with ambiguity and help clear it up to complete the work. o Work alongside a senior architect — bring sound technical input to design discussions o Build on top of existing AWS infrastructure patterns using IaC o Collaborate across a squad of ~14: engineers, QA, product, UX, and DevOps o Ensure code quality, performance, and observability across all deliverables o Contribute to code reviews and informally mentor less experienced engineers o Proactively surface blockers and technical risks before they become problems
WHAT WE'RE LOOKING FOR o 3–7 years of experience delivering production software application Solid, demonstrable Rust skills — this is non-negotiable for the role o Hands-on experience with event-driven or microservices architectures o Strong understanding of relational database design and queries (PostgreSQL is a plus) o Familiarity with AWS services and cloud-native infrastructure o Comfortable with Kubernetes and containerised deployments o Independently productive — you know when to ask for help and when to get on with it o Strong communicator who can engage effectively in a distributed, international team o Familiarity with GenAI coding tools (e.g. Claude) as part of your daily workflow o Experience with observability practices (distributed tracing, OpenTelemetry, etc.) a plus o React experience is a bonus but not expected
Not the right fit? Search for Backend Software Engineer jobs in Toronto, Ontario, Canada
About Smart IT Frame LLC
Smart IT Frame stands as a leading NMSDC-certified IT Solutions and Servicing company, founded in 2012 with headquarters in Somerset, New Jersey. Our commitment to promoting Diversity, Equality, and Inclusion (DEI) values is unwavering. With our expertise, we support client initiatives by offering innovative IT solutions and services to leading System Integrators in the private and public sectors.
Specializing in a comprehensive range of end-to-end services, including Artificial Intelligence (AI), Machine Learning (ML), IT Innovation and solutions, Cloud-based solutions, robotics process automation (RPA), cybersecurity, Identity Access Management (IAM), and more, to ensure cutting-edge solutions for our clients.
Since our establishment, we've dedicated ourselves to providing exceptional services globally. Our success stories span across various industries, including banking and finance, insurance, healthcare, retail, telecommunications, manufacturing, and more.
Collaborating with Smart IT Frame ensures expert, top-notch services and dedicated support from a team committed to driving your success. We strive to exceed client expectations, fostering long-term relationships built on trust, reliability, and exceptional results.