Top Software Engineer Jobs in Ottawa

Lead architecture and evolution of scalable, fault-tolerant backend systems powering real-time AI agents and conversation intelligence. Design data storage and retrieval, partner with ML engineers to operationalize AI, drive production performance, cost efficiency, observability, and mentor senior engineers while owning production reliability.

Design and maintain scalable web applications with Python and Angular, conduct testing, manage databases, and implement automated workflows.

Architect, build, and operate Redpanda’s Agentic Data Plane and cloud services across AWS, GCP, and Azure. Lead large technical projects, define architecture, develop automated provisioning and self-healing systems, and ensure reliability, scalability, security, observability, and zero-downtime upgrades. Participate in on-call operations, mitigate technical risks, and collaborate across engineering, product, and customer-facing teams.

Develop, integrate, and debug embedded C/C++ software for multicore real-time targets focused on wireless (4G/5G NR). Produce designs, test plans, and documentation while working in Agile cross-functional teams and maintaining skills.

Lead design and implementation of high-throughput, low-latency programmatic bidding systems. Collaborate with ML engineers to deploy real-time inference, optimize distributed microservices, run experiments and quantitative analysis, and partner with product to ship scalable features. Foster operational excellence, mentor engineers, and continuously improve performance and reliability.

Designs and optimizes scalable cloud infrastructure, CI/CD pipelines, and infrastructure-as-code systems. Automates provisioning, configuration, and software delivery across environments while improving reliability, observability, incident response, performance, and security. Collaborates with Software Engineering, Security, SRE, and Product teams to maintain highly available infrastructure and ensure compliance with organizational standards.

Lead design, implementation, and operation of large-scale distributed scanning and data-collection services. Build and maintain services in Python and Go, improve performance, scalability, reliability, and observability, collaborate with security/product/data teams, diagnose production issues, drive architecture and roadmap decisions, and mentor engineers across a distributed team.

Lead design and delivery of platform capabilities for a federated GraphQL and event-driven architecture. Build and optimize gRPC endpoints, GraphQL APIs, and SQL/Postgres queries. Own observability (DataDog, Bugsnag), scalability, reliability, incident response, and integrations. Mentor engineers and drive cross-team technical efforts to reduce friction and accelerate product delivery.

Own IAM platform architecture and strategy, design OAuth2/OIDC flows and token lifecycle, drive cross-team technical decisions, de-risk and resolve production IAM issues, set engineering standards, mentor, and align with product and security stakeholders.

Develop and maintain .NET/Angular full-stack features for a mission-critical system on secure Canadian Forces networks. Troubleshoot, optimize performance, implement secure deployment strategies, maintain CI/CD pipelines in Azure DevOps, and contribute to architecture and scalability within an Agile DevOps team.

Lead development of ASIC SDK software for high-speed coherent DSP and ASIC products. Design and maintain C/C++ Linux software, drive pre-silicon validation with models and emulation, lead post-silicon bring-up and performance optimization, define SDK validation strategies and APIs, diagnose hardware-software issues, produce design documentation, and mentor engineers across global teams to ensure successful NPI.

Seeking a Senior Software Development Engineer in Test to architect and maintain test infrastructure, automation frameworks, and build CI/CD pipelines for cloud-based products. Responsibilities include mentoring, improving test strategies, and ensuring software quality and performance.

Own the technical direction of a core Helius backend system, including architecture, reliability, performance, roadmap, and production operations. Design scalable distributed systems, storage, streaming, or edge infrastructure; drive profiling and performance improvements; establish operational excellence; partner with founders on strategy; mentor engineers; and lead ambiguous cross-team initiatives.

Own and advance a core Helius backend system supporting Solana infrastructure. Design and release high-performance products, optimize latency and throughput, make architectural decisions, improve observability and incident response, and mentor engineers. The role requires end-to-end ownership of production systems at scale, with close collaboration with founders and engineering leadership. Relevant systems include data streaming, historical APIs, account indexing, and access control infrastructure.

Execute scheduled, ad hoc, and release-milestone software tests; review test cases; report defects in issue-tracking systems; communicate status in standups; and collaborate with software test managers and development teams. The role requires knowledge of QA methodologies, black-box, grey-box, and white-box testing, strong communication and organization, independent and team-based work, and participation in planning and professional meetings.

Design, build, and operate integrations, APIs, data exchange systems, and AI-enabled connections for accounting and ERP platforms. Own integration pipelines, SLAs, data contracts, observability, and production support. Provide technical direction through architecture reviews, code reviews, and pair programming while partnering cross-functionally on roadmap decisions. The role requires hands-on software development, scalable data architecture, secure integrations, experimentation, and participation in an on-call rotation.

Develop and optimize Elasticsearch performance across distributed and serverless architectures. Build performance models, profiling and benchmarking workflows, regression detection, and AI-assisted optimization harnesses. Analyze bottlenecks in logging, metrics, vector search, and ES|QL; implement scalable, thread-safe, high-performance Java code; and collaborate across teams through technical reviews and guidance. Experience with JVM internals, distributed systems, performance engineering, and benchmarking is required.

Lead architectural and code-level performance engineering for Elasticsearch. Own major optimization initiatives, develop performance models, profile distributed systems, identify bottlenecks, build benchmarks and regression detection, and improve scalability across stateful and serverless architectures. Develop AI-assisted optimization and benchmarking harnesses, collaborate across teams, and mentor engineers. Work includes Java and JVM optimization, concurrency, distributed systems, vector search, storage engines, and native library integration.

Build and scale AI data and ML infrastructure: evaluation systems, fine-tuning pipelines, agent-first product surfaces, high-throughput data workflows, and integrations of new models into production.

Design, build, and maintain scalable, performant, and accessible front-end features and dashboards for non-human identity governance. Collaborate with design, product, and backend teams to integrate APIs, optimize data flows, maintain component libraries and design systems, champion accessibility and performance, write well-tested code, and mentor engineers.

Lead architecture and technical direction for the NHI Governance domain, owning complex server-side initiatives to discover, assess, and remediate non-human identities across cloud and on-prem environments. Define standards, interfaces, and contracts; drive quality, security, observability, performance; mentor senior engineers; and partner with product and design to align technical strategy with business goals.

Design and implement firmware, software, and optical test and verification strategies for embedded products. Create and review test plans, automate and run test cases, analyze results, collaborate with R&D, Manufacturing, and Quality, and integrate AI tools into test workflows. Mentor junior engineers and validate products using Agile methodologies.

Design and implement carrier-grade embedded real-time firmware for optical line systems. Collaborate with hardware/FPGA and optical engineers to develop low-level device drivers, control algorithms on Linux/FreeRTOS, and gRPC-based interfaces. Provide design estimates, follow development processes, and sustain legacy products while supporting new product development.

Design and build an events-first observability platform: architect high-throughput ingest, storage, and query pipelines; ship SDKs and instrumentation; define standards (OpenTelemetry, SLOs); enable AI-agent investigation and mentor senior engineers while leading cross-team technical initiatives.

The Embedded Software Engineer will design, develop, and support embedded software for optical communication products, while resolving software issues and collaborating with teams.