3mo
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Quantum System Software Developer - Performance
Toronto, Ontario, Canada
$120k-$160k/yr OnsiteFull Time
3+ YOEDevelop high-performance software for distributed quantum hardware; strong low-level systems, C++, Python; knowledge of quantum computing.
C++, Python, OpenMP, CUDA, HIP/ROCm, RDMA, Perf tooling, Gprof, Scalene, Valgrind
2mo
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Lead Software Engineer, Finance System
Toronto, Ontario, Canada
$111k-$153k/yr OnsiteFull Time
8+ YOE8+ years in software development and system integration; strong OO, API development, microservices; cloud, CI/CD, DevOps; ERP/financial systems experience.
Java, C#, Python, JavaScript/TypeScript, Cloud platforms, CI/CD, DevOps, APIs, Microservices, Mainframe integrations, COBOL, CICS, DB2, MQ
2mo
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Software Engineer
Toronto, Ontario, Canada
HybridFull Time
Deep software engineering experience with production systems; strong fundamentals in at least one language; experience with relational databases; willing to relocate to listed cities (Miami, Toronto, or Seattle).
Relational databases, General-purpose programming languages, AI tools
1d
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Senior Software Engineer
Toronto, Ontario, Canada
OnsiteFull Time
5+ YOE5+ years software engineering experience designing distributed systems and AI service architectures; expert in Python and Golang, containers, Kubernetes/OCP4, cloud (AWS/Azure), SQL/NoSQL, system optimization and mentoring engineers.
Python, Golang, Docker, Kubernetes, OCP4, AWS, Azure, SQL, Non Relational Databases, CI/CD, Application Performance Management (APM), Domain Driven Design (DDD), Event Driven Architecture (EDA)
3w
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Senior Software Engineer
Toronto, Ontario, Canada
$121k-$170k/yr HybridFull Time
10+ YOEBachelor's degree or equivalent, 10+ years professional software engineering experience with Core Java, experience building cloud-native, containerized, distributed microservice systems.
Core Java, Apache Kafka
3w
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Senior Software Engineer
Toronto, Ontario, Canada
OnsiteFull Time
8+ YOE8+ years software engineering experience; strong Go or TypeScript/JavaScript proficiency; experience with GitOps/ArgoCD, Helm, Kubernetes, cloud (GCP/AWS), building/operating platform or delivery systems.
TypeScript, Node, NestJS, ArgoCD ApplicationSets, Helm, GCP Cloud Run, Nx, Go, Temporal, Model Context Protocol (MCP), Agentic AI, GitHub Actions, Kubernetes (K8s), GCP, AWS, Terraform, Cadence, Airflow, A2A (Agent-to-Agent), GitOps
3w
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Software Engineer (242803)
Toronto, Ontario, Canada
OnsiteFull Time
Advanced software engineering expertise across applications and systems; experience with IBM tools, Java/Spring, Node.js, Python, relational and NoSQL databases, containerization, cloud platforms, DevOps tools, and incident triage.
Websphere, ACE, IIB, RSA, MQ, DB2, Java, Spring, XML, ESQL, Node.js, Express.js, Python, MySQL, PostgreSQL, MongoDB, Google Cloud, AWS, Azure, Docker, Kubernetes, Bitbucket, Git, Ansible, Jenkins, GitHub Copilot
1mo
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Senior Software Engineer, Agents
Vancouver or Toronto or London
$140k-$196k/yr HybridFull Time
Senior-level software engineering experience building backend and retrieval systems, working with LLM/agentic systems, Python, cloud infrastructure, search/vector DBs, and production reliability/observability.
OpenAI, Anthropic, Gemini, PydanticAI, Logfire, Elasticsearch, Pinecone, PostgreSQL, Docker, Kubernetes, GCP, Temporal, Python, Git, CI/CD, PGVector, AWS, Azure, Copilot, Curssor, Claude Code
1mo
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Intermediate Software Engineer
Toronto, Ontario, Canada
$80k-$105k/yr HybridFull Time
3+ YOE3+ years professional software development; strong in at least one of Java, TypeScript, or PHP; SQL proficiency; experience shipping features to production; understanding of system architecture and algorithmic complexity; Bachelor's in CS/Engineering preferred.
TypeScript, HTML5, JavaScript, PHP, Java, SQL, MariaDB, Redis, Memcached, Docker, GitHub Actions, HTMX, ActionScript, Flash, Claude
3w
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Software Engineer, Sportsbook Platform
Canada or Toronto
$115k-$145k/yr RemoteFull Time
3+ YOE3+ years software engineering experience with distributed systems, GraphQL/gRPC APIs, PostgreSQL, Kubernetes, production on-call and performance troubleshooting experience.
Elixir, Phoenix, PostgreSQL, Kafka, gRPC, GraphQL, Kubernetes, DataDog, Phoenix, Ruby on Rails, Fast API, Laravel, Node, ExUnit, RSpec, Jest, pytest, Oban, Exq, Sidekiq, Celery, Beanstalk, Apache Kafka, RabbitMQ, AWS SQS, AWS SNS, Google Cloud Pub/Sub, Git, GitHub, Absinthe
3mo
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Software Engineer
London or Toronto
£77k-£95k/yr HybridFull Time
3+ YOEAI-native engineering, 3+ years of production full-stack/backend experience, Go backend, system design, distributed services.
Go, API design, Datadog, Honeycomb, Rollbar, AI tools
2mo
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Senior Software Engineer
Toronto, Ontario, Canada
$120k-$160k/yr HybridFull Time
8+ YOE8+ years in software engineering; experience designing and scaling distributed systems; backend focus with modern tech stack; leadership and ownership mindset.
PHP/Laravel, TypeScript, Node.js, Go, MySQL, PostgreSQL, AWS, Redis, React, Pest, PHPUnit, Playwright, ESLint, Prettier, Pint, Psalm, CI/CD, GitHub Actions
2mo
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Staff Software Engineer, Builders
Toronto or San Francisco
$213k-$288k/yr HybridFull Time
8+ YOE8+ years software engineering experience at Staff level or equivalent; strong systems-thinking, diagnostic, architectural and communication skills; product-minded with experience at high-growth SaaS companies.
2mo
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Principal Software Engineer, MADS
Toronto, Ontario, Canada
$185k-$310k/yr OnsiteFull Time
10+ YOE10+ years software development, 7+ years building large-scale distributed systems, experience leading technical strategy for orgs of 30+ engineers, expertise in streaming/batch/columnar data systems, Bachelor's in CS or equivalent.
Kafka, Flink, Kinesis, Spark, EMR, Parquet, Iceberg, Delta Lake, S3, SQS, Firehose
1mo
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Principal Software Engineer
Toronto or California or Colorado or Illinois or New York or Washington or New York City
$184k-$276k/yr RemoteFull Time
8+ YOE8+ years software engineering experience (3+ years senior/staff leadership), proven large-scale distributed systems design, microservices/event-driven expertise, proficiency in Java/Kotlin/Go, cloud infrastructure experience preferred, BS in CS or equivalent.
Java, Kotlin, Go, AWS, GCP, Azure
1w
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Senior Software Engineer - Mainframe
Buffalo, New York, United States
$97k-$162k/yr HybridFull Time
3+ YOEExpert-level mainframe software engineering with minimum 3 years systems analysis or application development experience (degree-dependent). Knowledge of mainframe SDLC, testing, resiliency, and modernization.
IBM z/OS, COBOL, CICS, JCL, VSAM, DB2 for z/OS, TSO/ISPF, SDSF, Easytrieve+, GitLab, File-AID, Abend-AID, Xpediter, InterTest, CA7, Control-M, MQ, z/OS Connect, ZDIH
3mo
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Senior Software Engineer
Toronto, Ontario, Canada
RemoteFull Time
10+ YOEBachelor’s degree in CS/SE/EE; 10+ years in software or systems engineering; strong C++ on Linux; real-time/high-throughput/low-latency experience; distributed systems; automated testing and debugging; ownership mindset.
C++, Linux, CMake
1mo
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Software Engineer, Inference Platform
Sunnyvale or Toronto
OnsiteFull Time
3+ YOE3+ years software engineering experience building/operating large-scale distributed systems; experience with Kubernetes, security (TLS/mTLS), latency optimization, and backend languages such as Go or C++.
Kubernetes, CI/CD, Go, C++, TLS, mTLS
3w
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Software Engineer - Offers team
Toronto, Ontario, Canada
$118k-$158k/yr HybridFull Time
5+ YOE5+ years software engineering experience; strong backend fundamentals; production experience in Java or similar stacks; distributed systems, API, debugging with logs/metrics/traces; strong ownership and communication.
Java
1mo
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Software Developer
Tonawanda, New York, United States
$77k-$112k/yr OnsiteFull Time
7+ YOEBachelor's in CS or related, 7+ years software development, full-stack expertise (frontend SPA, backend Python), system architecture, relational DB design, mentorship, and willingness to travel up to 20%.
Vue.js, Python, FastAPI
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