Senior / Staff Applied Research Software Engineer

Responsibilities

Senior level:

• Develop, test, and deploy code for prototypes and new product features.
• Collaborate with team members to solve technical challenges and improve solution design.
• Participate in code reviews, documentation, and team knowledge sharing.
• Experiment with modern tools, frameworks, and emerging technologies.
• Adapt to evolving requirements and provide input on process improvements.

Staff level:

• Design, develop, and implement prototypes and production-ready solutions.
• Collaborate with team members to experiment with AI, machine learning, and emerging technologies.
• Participate in code reviews and contribute to continuous improvement of engineering best practices.
• Communicate progress and technical concepts to stakeholders and peers.
• Adapt quickly to feedback and changing requirements in a fast-paced environment.

Requirements

Senior level:

• Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
• 3+ years of professional software development experience, ideally full stack development.
• Proficiency in at least one programming language (such as JavaScript, Python, or Java).
• Experience working with front-end (React, Angular) and/or back-end (Node.js, Springboot) technologies.
• Understanding of database fundamentals (SQL or NoSQL).
• Eagerness to learn, collaborate, and solve problems.
• Effective written and verbal communication skills.
• Have an agentic coding operating model that is effective at leveraging skills/MCP/LLMs to be able to do AI-assisted coding.
• Ability to deal with ambiguity and solve the problems vs. need constant support to unblock execution.

Staff level:

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience.
• 5+ years of professional full stack software development experience.
• Proficiency across modern programming languages such as JavaScript, Python, or Java.
• Experience building applications using front-end (React, Angular) and/or back-end (Node.js, Springboot) frameworks.
• Solid understanding of database technologies (SQL or NoSQL).
• Strong problem-solving skills and a collaborative mindset.
• Effective communication skills for technical discussions.
• Next-Gen Workflow: Mastery of an agentic coding operating model; highly effective at leveraging advanced dev tools, Model Context Protocol (MCP), and LLMs to drastically accelerate AI-assisted development.
• Ability to deal with ambiguity and solve the problems vs. need constant support to unblock execution.

Nice-to-Haves

• Exposure to AI or machine learning principles or projects.
• Knowledge of cloud-based platforms (AWS, Azure) and distributed systems.
• Ability to ramp up on new technologies, solution against well defined problems and to be iterative about building.
• Passion for innovation and exploring emerging technologies.
• Experience working in remote or globally distributed teams.
• Contributions to open source or tech community projects.

Compensation & Benefits

• Health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave.
• This role may be eligible to participate in Twilio’s equity plan and corporate bonus plan.