All vacancies
Senior Software Engineer (L3)
Twilio
Remote · United StatesSalary not disclosedfull-timeTwilio Careers
As a Software Engineer (L3), you will be a key technical contributor driving the feature design, execution, and operational health of platform services that process millions of requests. You will build scalable, high-performance solutions while working closely with engineering partners across Twilio to ensure alignment.
Responsibilities
- In this role, you’ll
- DRAW THE OWL
- Contribute significantly to the technical design and roadmap for core platform components, authoring technical specifications and driving execution to transition legacy systems into modern, scalable cloud-native microservices.
- ACCELERATE WITH AI: Actively leverage AI coding assistants (GitHub Copilot, Anthropic Claude, or internal LLMs) to automate boilerplate, generate comprehensive test suites, and rapidly prototype solutions.
- Set an example within the team for amplifying individual velocity while maintaining high standards of code quality and safety guardrails.
- Drive technical excellence and end-to-end component ownership within your team, making sound technical decisions that balance rapid feature delivery with system reliability, security, and technical debt reduction.
- WEAR THE CUSTOMER’S SHOES
- Partner with Product Managers and cross-functional stakeholders to translate customer needs and regulatory requirements into precise technical specifications, developer-first APIs, and seamless application workflows.
- EMPOWER OTHERS: Mentor and uplift junior engineers (L1–L2), onboard new team members, and foster a collaborative environment through constructive code reviews, tech talks, and technical guidance.
- RUTHLESSLY PRIORITIZE: Proactively identify and resolve technical risks, performance bottlenecks, and security vulnerabilities within team services. Fully own on-call responsibilities, driving incident resolution and following through with durable root-cause remediation.
Languages
- Work format
- Remote
- Seniority
- Senior
- Posted
- 4 Aug 2026
- Last verified
- In the last 5 days
Similar roles
- Low-Level Rust DeveloperMWDN · Armenia · On-site
- (Senior) Machine Learning Developer (Junie)JetBrains · Remote · Armenia
- Senior Software Engineer - Data Sources TeamTruv · Remote · Armenia
- Software Engineer - PlanetScale PostgresPlanetScale · Remote · worldwide, UTC+4 accepted
- SaaS Senior Full-Stack Engineer (100 % remote) (m/f/d)EWOR GmbH · Remote · worldwide, UTC+4 accepted
- Software Testing Engineer (.NET)EPAM Systems · Remote · Armenia
