The Protocols Systems Engineer builds and operates production systems at scale, handling HTTP traffic, improving protocols, and supporting legacy systems.
Available Locations: Lisbon, Portugal or London, UK
About the team:
Some of the first projects you'll work on:
Desirable skills, knowledge and experience
Nice to have
About the team:
- We are a team of software engineers who are responsible for the services which receive tens of millions of requests per second from the internet, at millisecond latencies, terminating HTTP and TLS, filtering and routing them, and forwarding them to the appropriate upstream services.
- Engineers in the team are involved in building and operating production systems at huge scale, handling the full breadth and diversity of traffic patterns on the internet. This includes accepting traffic over all HTTP protocols, working on new standards in conjunction with bodies such as the IETF and industry partners, and measuring and improving the behavior of all related systems.
- The team mostly works in Rust, with some time spent supporting legacy systems built with C and Lua.
Some of the first projects you'll work on:
- Measure performance of HTTP/2 and HTTP/3 at scale in many different environments. Identify areas where the performance can be improved.
- Build the rust-based next-gen proxy that is replacing nginx and create a migration strategy for a functionality from old software to new software.
Desirable skills, knowledge and experience
- Substantial hands-on systems level programming and troubleshooting experience.
- Experience operating high performance and huge scale services.
- A drive for continuous improvement when it comes to both operations and new product development
- Experience of working with Product teams to balance technical agenda, operation of existing systems and new product development
- Experience analyzing and communicating complex technical requirements and concepts, identify the highest priority areas, and carve a path to deliver
- Driving communication and consensus across teams
- Ability to get things done: implementing tools, process, internal instrumentation, methodologies and resolving blockages
- Strong curiosity, a desire to learn new things, and teach others
Nice to have
- Knowledge of web server implementations (such as NGINX)
- Detailed knowledge of HTTP and transport protocols (eg TCP, UDP, QUIC).
- Knowledge of Layer 4-7 protocols (examples: HTTP, TCP, UDP, QUIC, gRPC).
- Cryptography experience
Top Skills
C
Grpc
HTTP
Lua
Nginx
Quic
Rust
Tcp
Tls
Udp
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