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Rambus Tech Stack

Memory interface IP, security chips, and silicon verification for data center and edge systems

Semiconductor Manufacturing San Jose, CA 501–1,000 employees Founded 1990 Public Company

Rambus designs memory controllers, cryptographic processors, and security IP cores integrated into billions of devices. The tech stack is dominated by EDA tools (Virtuoso, Allegro, HFSS), HDL (Verilog, SystemVerilog), and memory/interface protocols (DDR4/5, PCIe, SERDES), reflecting a hardware-IP-first business. Engineering hiring (59 of 79 roles) is concentrated at senior and principal levels, paired with active projects in DDR5 validation and root-of-trust silicon — signals of a design-verification-heavy org scaling production-readiness rather than new product exploration.

Tech Stack 74 technologies

Core StackPython TypeScript MATLAB HFSS Virtuoso Allegro PCIe SystemVerilog UVM Verilog DDR4 DDR5 SERDES TCL GDDR Questa Perl Tcl ASIC FPGA LPDDR CDC Advantest V93K JTAG Red Hat Git Subversion Verilog-A VerilogAMS Simulink+44 more

What Rambus Is Building

Challenges

  • High-yielding low defectivity production
  • Reducing test time
  • Bottleneck between memory and processing
  • Closing verification requirements
  • Supply risk mitigation
  • Validation coverage improvement
  • Scaling multi-site testing
  • Optimize yield cost cycle time quality
  • Improving test yield
  • Supply chain improvement

Active Projects

  • Ddr verification
  • Pcie controller softip development
  • Post-tapeout validation support
  • Root-of-trust product development
  • Fpga prototyping and validation
  • Si/pi modeling for ddr
  • Ate hardware design for npi
  • Technical qualification of new chip designs
  • Validation and debug of new memory interface chips for ddr5 servers
  • Signal integrity data analysis at system level

Hiring Activity

Decelerating80 roles · 20 in 30d

Department

Engineering
59
Ops
6
Security
5
Design
4
Sales
3
Procurement
1
Research
1

Seniority

Senior
20
Principal
17
Lead
14
Mid
8
Intern
6
Director
5
Junior
5
Manager
2

Notable leadership hires: Technical Director, Sales Director

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About Rambus

Rambus is a 30-year-old semiconductor IP and chip designer headquartered in San Jose. They license memory and interface architectures (DDR, PCIe, GDDR), cryptographic IP, and deliver packaged security silicon to OEMs, foundries, and system integrators. Products span data-center memory controllers, IoT edge processors, and mobile interface blocks. The company operates across eight countries (US, China, India, South Korea, Taiwan, Bulgaria, Netherlands, France), with 501–1,000 employees. Revenue model is mixed: architecture licensing, IP core sales, chip products, and engineering services. Core pain points center on test-yield optimization, multi-site validation scaling, and closing the memory-to-processor bandwidth bottleneck.

HeadquartersSan Jose, CA
Company Size501–1,000 employees
Founded1990
Hiring MarketsChina, India, United States, South Korea, Bulgaria, Taiwan, Netherlands, France

Frequently Asked Questions

What technologies does Rambus design with?

Rambus uses Virtuoso (schematic/layout), Allegro (PCB), HFSS (EM simulation), and Questa (simulation); HDLs include Verilog, SystemVerilog, Verilog-A, and VerilogAMS; protocols: DDR4, DDR5, PCIe, SERDES, GDDR, LPDDR.

Where does Rambus have engineering teams?

Rambus hires across eight countries: United States, China, India, South Korea, Taiwan, Bulgaria, Netherlands, and France.

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