WitnessAI Jobs

Senior Software Engineer - Go Networking

Sorry, this job was removed at 06:20 p.m. (EST) on Friday, Apr 10, 2026

Remote or Hybrid

Hiring Remotely in CA

Remote or Hybrid

Hiring Remotely in CA

Similar Jobs

Pfizer

Marketing Associate

Yesterday

Remote or Hybrid

Canada

Entry level

Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical

Supports Pfizer CentreOne’s inside sales and marketing activities by reviewing and routing marketing-qualified leads, executing outreach sequences, documenting activity in Salesforce, and assisting with campaigns, content, meetings, reporting, and marketing projects. The role develops commercial expertise across marketing, inside sales, and business development while progressing leads toward initial meetings and BD handoff.

Top Skills: HubspotExcelMicrosoft OutlookMicrosoft PowerpointMicrosoft SharepointMicrosoft TeamsMicrosoft WordSalesforce

Optum

Senior Manager Software Engineering - Remote

Yesterday

In-Office or Remote

Senior level

Artificial Intelligence • Big Data • Healthtech • Information Technology • Machine Learning • Software • Analytics

Leads software engineering teams developing scalable, resilient, secure applications using React, Java, Spring Boot, microservices, and Azure. Responsibilities include architectural design, performance optimization, deployment, infrastructure collaboration, technical issue resolution, Agile participation, workload planning, stakeholder management, and continuous improvement. The role also guides end-to-end product delivery and supports healthcare technology solutions.

Top Skills: Apache KafkaAzureClClaude AiCobolCodexDb2GitGithub ActionsGithub CopilotGraphQLIbm IJavaJestKubernetesMochaMongoDBNext.JsPythonReactReact Testing LibraryRest ApisRpgSpring BootSynonTerraformTypescript

Fluent, Inc.

Senior MLOps Engineer (Real-Time Decisioning)

Yesterday

In-Office or Remote

Toronto, ON, CAN

Senior level

AdTech • Digital Media • eCommerce • Marketing Tech

Own and advance MLOps practices for real-time machine learning systems, including model deployment, serving, scaling, monitoring, lifecycle automation, and infrastructure optimization. Partner with ML scientists, data engineers, and Product to operate reliable low-latency models in Databricks and AWS. Establish engineering standards, resolve production issues, review designs and code, mentor colleagues, and track model performance, reliability, and costs.

Top Skills: Automated TestingAWSCi/CdDatabricksDelta Live TablesMlflowModel MonitoringPysparkPythonSQLStream Processing

Senior Software Engineer - Go Networking

WitnessAI is a fast-growing SaaS startup on a mission to enable enterprises to adopt AI, safely. We're building a product that provides security and governance guardrails for public and private LLMs. We're seeking a skilled Go developer with expertise in network traffic analysis and content extraction. The ideal candidate will have the ability to work with application layer data (HTTP, JSON, etc.)

Key Responsibilities:
● Develop and maintain high-performance Go applications for data processing and analysis
● Build robust content extraction systems that can handle real-time data streams
● Create tools for processing and analyzing application-layer protocol data (JSON, XML, HTML)
● Implement concurrent data processing pipelines using Go's powerful concurrency primitives
● Design extensible plugin based architectures that can adapt to new data formats and protocols

Required Qualifications:
● 5+ years of professional software development experience, with at least 3 years using Go
● Expert-level proficiency in Go, including:
- Advanced concurrent programming (goroutines, channels, sync package)
- Comprehensive standard library knowledge (encoding, net, bufio, io packages)
- Memory-efficient programming and performance optimization
● Strong experience building data extraction systems
● Expertise working with structured data formats (JSON, XML, YAML) and text processing
● Understanding of HTTP protocol fundamentals (headers, methods, status codes, request/response flow)
● Experience with streaming data processing and real-time systems
● Strong debugging and troubleshooting skills
● Excellent problem-solving abilities and attention to detail
● Strong communication skills and collaborative mindset

Preferred Qualifications:
● Knowledge of additional markup and data formats (Protocol Buffers, MessagePack, CBOR)
● Familiarity with network programming concepts (TCP/IP basics, packet structure)
● Experience with performance profiling and optimization in Go
● Knowledge of TLS/SSL fundamentals
● Experience with streaming protocols (WebSockets, gRPC, HTTP/2)
● Familiarity with cloud-native technologies (Docker, Kubernetes)
● Background in compiler design or language parsing
● Experience with network packet analysis tools (Wireshark, tcpdump)
● Understanding of security protocols and encrypted data handling

Benefits:

Hybrid work environment
Competitive salary.
Health, dental, and vision insurance.
401(k) plan.
Opportunities for professional development and growth.
Generous vacation policy.

Salary range:

$150,000-$200,000 (The exact salary will be determined based on the selected candidate’s location, qualifications, experience, and relevant skills.)

What you need to know about the Toronto Tech Scene

Although home to some of the biggest names in tech, including Google, Microsoft and Amazon, Toronto has established itself as one of the largest startup ecosystems in the world. And with over 2,000 startups — more than 30 percent of the country's total startups — Toronto continues to attract new businesses. Be it helping entrepreneurs manage their finances, simplifying business operations by automating payroll or assisting pharmaceutical companies in launching new drugs, the city's tech scene is just getting started.