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.)
Top Skills
Similar Jobs
What you need to know about the Montreal Tech Scene
Key Facts About Montreal Tech
- Number of Tech Workers: 255,000+ (2024, Tourisme Montréal)
- Major Tech Employers: SAP, Google, Microsoft, Cisco
- Key Industries: Artificial intelligence, machine learning, cybersecurity, cloud computing, web development
- Funding Landscape: $1.47 billion in venture capital funding in 2024 (BetaKit)
- Notable Investors: CIBC Innovation Banking, BDC Capital, Investissement Québec, Fonds de solidarité FTQ
- Research Centers and Universities: McGill University, Université de Montréal, Concordia University, Mila Quebec, ÉTS Montréal


