Senior Software Engineer

JOBS247 INC LTD; Cambridge; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Healthcare

Pension

Job summary

Roku is seeking a Senior Software Engineer to help architect core systems underpinning the user experience across devices.

You will lead engineering efforts in C++, Python tooling, and graphics pipelines, delivering high-performance UI components across a hybrid work model.

The role requires deep knowledge of memory management, multithreading, and cross-platform graphics, with a focus on scalable, robust systems.

Qualifications

• Minimum 5+ years of software engineering experience.
• C++ with modern standards (C++14/17/20).
• Proficient in Python for tooling and automation.
• Experience with graphics APIs and rendering pipelines.
• Strong knowledge of memory management and multi-threading.

Responsibilities

• Drive engineering excellence with advanced debugging and performance tooling.
• Design performance-critical code in the UI engine and graphics.
• Lead investigations into system bottlenecks and memory leaks.
• Develop low-level graphics APIs and layout systems for Roku ecosystem.

Skills

C++ (C++14/17/20)

Python tooling

Generative AI in development

Graphics APIs

Memory management

Multithreading

System programming

Tools

GDB

Valgrind

Profilers

Job description

The Senior Software Engineer role centres on asing a Senior Software Engineer, you will be a key architect of the core systems that underpin Roku’s user experience.

Roku is the #1 TV streaming platform in the U.

What you'll bring

• Minimum of 5+ years of software engineering
• With a heavy focus on C++ (C++14/17/20)
• Proficiency in Python for tooling and automation, with a working knowledge of Bright
• , specifically using tools like GDB, Valgrind, or platform-specific profilers
• Using generative AI tools to accelerate systems-level development
• As a Senior Software Engineer, you will be a key architect of the core systems that underpin Roku’s user experience
• You’ll need experience with graphics APIs (e.g., OpenGL, Vulkan, or proprietary embedded graphics stacks) and rendering pipelines
• Across our entire device portfolio
• Across a variety of disciplines
• Deep understanding of systems programming, including memory management, multi-threading, and hardware-software abstraction layers

Role details

• Work model: Hybrid

What you'll build and improve

• Drive engineering excellence by implementing advanced debugging tools, automated performance regression suites, and modern C++ best practices
• Design and implement performance-critical code within our UI engine, focusing on graphics primitives, memory efficiency, and hardware acceleration
• Lead technical investigations into system-level bottlenecks, memory leaks, and GPU/CPU synchronization issues
• Develop and maintain low-level graphics APIs and layout systems that serve as the backbone for Roku’s application ecosystem

Benefits

• which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension)