Join the team as Twilio’s next Frontend Software Engineer L2 within the Segment Activations team. This position will be part of a talented, close-knit team of engineers on the Segment Activations team, including Engage, Journeys, and Linked Audiences. The successful candidate will have deep knowledge of React and front-end engineering best practices, mentoring engineers and guiding the evolution of Segment’s user interfaces.

Lead and mentor teams of exceptional engineers while collaborating closely with Product and Design partners to tackle complex technical challenges. Your expertise spans architecture, design, and hands-on coding, allowing you to have a significant impact on the product and our customers. A portion of your time is allocated to Staff Dev Projects, which may include cross-team initiatives, work acceleration within your team, exploration of emerging technologies, addressing technical debt, or investing in the future of engineering.

Design, build, test, and deploy react native mobile applications, develop new user-facing mobile features, and optimize applications for maximum speed and scalability. Participate in the evaluation of emerging technology and tools, conduct code reviews for peers and mentor junior Engineers, and participate in squad ceremonies and team events.

Design and build the systems that structure and facilitate capital flow through the Built ecosystem. Represent complex financing arrangements to executing high-integrity transactions across the construction supply chain, work will power critical capital flows. Contribute to a platform that serves as both the system of record and execution engine for governed, auditable, and scalable financial movement.

Koombea is looking for an Elixir Developer to join the development team and build the application models and code the logic behind the user-facing components and database of an application, focusing on the performance, usability, accessibility, and adaptability of the application. The developer will integrate user-facing elements with server-side logic and optimize the application for speed and scalability.

Join the Signature Growth team to increase signatures on petitions by optimizing sharing behavior and engagement across the Change.org platform. You will work on projects that directly impact critical business metrics by improving how users share and spread petitions, leading the technical strategy and execution of features that maximize share frequency and effectiveness.

We're currently looking for an intermediate-level Backend Engineer for our Source Code BE team. The team is focused on GitLab's suite of tools around Source Code Management, interfacing with Gitaly and Code Review teams. This role involves building and supporting features for interacting with code stored in each project repository, focusing on high reliability through performance tuning, SQL tuning, caching, and rate limiting.

As a Senior Software Engineer, you will work with Product Managers and Designers to be the lead for a variety of challenging projects and build features and products for our community and the thousands of companies that trust HackerOne with their cybersecurity posture. When you are not leading a project, you are a collaborative and effective senior engineer and team member. You will work as a project lead together with stakeholders, designers and product leaders building features and maintaining them.

Seeking a mission-driven Software Architect to join our Data Science Team, playing a foundational role in shaping the software architecture that powers our predictive modeling, data enrichment, and analytics products. As a key technical leader, you will design and evolve the backend infrastructure supporting our expanding suite of cloud-based AI-powered solutions. Your work will directly enable product innovation, operational efficiency, and market growth.

Contribute to a high-impact SaaS platform that helps global sales teams optimize territory design, track performance, and drive revenue. You’ll work on a modern single-page application built in React, powered by a serverless AWS backend using GraphQL. Work with a collaborative, remote team of developers, designers, and product managers focused on delivering scalable solutions that solve real-world problems.