As part of the Nitro Backend team, you will work on the core infrastructure powering Arbitrum, the leading Ethereum scaling solution. You’ll tackle complex distributed systems challenges, optimize performance, and contribute to the security and scalability of Arbitrum. You’ll collaborate closely with research, product, and blockchain engineering teams.

Full Stack Engineer with deep experience in JavaScript and server-side JavaScript technologies to join our application engineering team. Build high-quality, clean, scalable and reusable UI code by enforcing best practices around software engineering architecture and processes (Code Reviews, Unit testing, etc.). Work with the product owners to understand detailed requirements and own your code from design, implementation, test automation and delivery of high-quality product to our users.

Contribute to developing our SaaS Telecom Expense Management platform as a Senior Full Stack Ruby Developer. Play a key role in building and enhancing our platform by designing and maintaining backend systems that handle large-scale data parsing and processing, ensuring robust performance and accuracy. Create user-friendly, responsive interfaces that provide an intuitive experience for users, leveraging Vue.js to ensure the platform remains visually appealing, efficient, and easy to navigate.

We're looking for an experienced software engineer to join our Search team. You'll help build and optimize a next-generation search platform that uses both classical information retrieval and modern AI tools to provide lexical and semantic search at scale. This platform is used inside Cohere and by external customers.

We are seeking an experienced Software Library Engineer, with deep expertise in C++ to lead the development and maintenance of the Green Development Kit (GDK), a vital software development kit for our bitcoin wallet apps. This role focuses on the Core SDK (written in C/C++) while overseeing its integration with Rust modules, language wrappers (Java, Python, Swift), build systems (CMake, scripts, Docker), testing frameworks, and documentation.

As the Engineering Lead, you will play a pivotal role in overseeing the entire technical landscape of our engineering organization. You will guide and lead engineering teams while ensuring we are building scalable, secure, and innovative architectures. Working closely with business leaders and engineering managers (EMs), you will help align our technical vision with business goals and ensure a smooth pipeline from coding to deployment.

As a Backend Software Engineer, improve the platform’s auth, billing, and payment systems. Write and ship minimal code that runs in low-resource environments, and has highly stringent deployment mechanisms. Due to the paramount importance of security and privacy, you will sometimes need to re-invent the wheel, and won’t be able to use the most popular libraries or tooling. Collaborate with researchers to productionize state-of-the-art models and techniques.

The NICE CXone Senior Engineer is responsible for the overall development, testing and delivery of the NICE CXone software platform. This is a highly technical role for resources skilled in both business and technical consulting experience. You will implement the NICE CXone software using Contact Center technologies including NICE CXone, IVR/ACD, VoIP, Email, SMS, and Chat systems. Key responsibilities include all tiers of the technology, including design and development, unit testing, code reviews, resolving defects, supporting the production environment, and assisting other developers in a team environment.

As a Senior Backend engineer on the Ads Creative Management team, you will build tools that make creating effective ads on Reddit easier for advertisers. The ideal candidate will leverage knowledge of asset storage, AI/LLMs, and scaling services to develop world-class tooling and innovate for advertising partners.

Join our engineering team as a driven and curious Software Engineer Intern for an exciting, exploratory project. You will leverage AI tools to analyze, modernize, and refactor parts of the codebase, creating a repeatable process for future improvements. You’ll have the chance to present your findings to engineering leadership, impacting our development practices.