Staff / Principal Full Stack JavaScript Engineer

Job ID 2026-17480

Date posted 26/06/2026

Location Bengaluru, India

Category IT

Job Overview We are looking for a dedicated Principal or Staff Full Stack (JavaScript) Software Engineer to join our team in Bangalore. This role has significant impact in improving the engineering experience at Arm! Engineering IT supplies the tools and systems needed for creation of software and hardware IP. Within this the Engineering Platform Services function provides tooling used across the company’s engineering population, as well as focusing on the tooling needs of software engineers. As a Staff Engineer at Arm you will lead sophisticated technical deliveries, working with stakeholders, project management and engineers to define scope, requirements, resourcing, and plans needed for delivery. At the heart of our approach is a genuine passion for improving the lives of other Engineers at Arm, and a complete focus on delivering solutions aligned to business outcomes.

Responsibilities Working hands-on with a variety of technologies, to provide a first-class engineering experience for Arm's hardware and software engineers. The domains and areas include:

• Be responsible for the end-to-end design, implementation and evolution of developer-facing systems and features to reduce cognitive load and enable self-service.
• Collect feedback from internal teams to understand their challenges and design solutions to address them. Drive feature development, UX and usability improvements.
• Develop, operate and evolve our Engineering Portal UI & backend based on Backstage to ensure the portal is secure, reliable and delivers a high-quality user experience.
• Design, build, and maintain Backstage and custom Backstage plugins including CI/CD pipelines, documentation, automated testing, security upgrades, and observability integrations.
• Partner closely with platform, software and hardware teams to integrate services, tooling, and policies into the portal in a user-centric and automated manner. We invest significant time collaborating with engineering teams across Arm with a focus on improving the daily life and productivity of our engineers.

Required Skills And Experience

• We are seeking professionals with 5–20 years of experience in software development.
• Deep expertise in JavaScript, TypeScript, and NodeJS including building and maintaining production-grade web applications.
• Professional experience with React or another modern JavaScript Web Framework to build well-structured, polished, and maintainable user interfaces.
• Experience with continuous delivery and automated testing for production systems.
• Solid understanding of security fundamentals relevant to distributed systems and service integration patterns, including JWTs, OAuth2 and OIDC.
• Desire to work in a Platform Engineering environment, with a clear focus on improving developer productivity through automation and enabling safe, scalable self-service.
• Strong collaboration and influence skills, with experience working across multiple teams and disciplines to share knowledge and gain support.
• Ability to make and communicate architectural tradeoffs, balancing usability, security, scalability, and long-term maintainability.

“Nice To Have” Skills And Experience

• Building or integrating with Internal Developer Portals (Backstage).
• Interest in applied AI technologies e.g. AI agents, MCP
• Interest in Open-Source Software!
• Good understanding of Cloud platforms (AWS, GCP, or Azure) with knowledge of Kubernetes, and other DevOps tools (e.g. Docker, Kubernetes, Terraform, Helm, ArgoCD) and CI/CD.

In Return We will provide the training and environment to excel in this role. We offer a hybrid approach to remote, and office working and strive to provide an adaptable experience for all employees and to promote a strong collaborative environment. Our 10x Mindset Guides How We Engineer, Collaborate, And Grow. Understand What It Means And How To Reflect 10x In Your Work

Accommodations at Arm At Arm, we want to build extraordinary teams. If you need an adjustment or an accommodation during the recruitment process, please email

Hybrid Working at Arm Arm’s approach to hybrid working is designed to create a working environment that supports both high performance and personal wellbeing. We believe in bringing people together face to face to enable us to work at pace, whilst recognizing the value of flexibility. Within that framework, we empower groups/teams to determine their own hybrid working patterns, depending on the work and the team’s needs. Details of what this means for each role will be shared upon application. In some cases, the flexibility we can offer is limited by local legal, regulatory, tax, or other considerations, and where this is the case, we will collaborate with you to find the best solution. Please talk to us to find out more about what this could look like for you.

Equal Opportunities at Arm Arm is an equal opportunity employer, committed to providing an environment of mutual respect where equal opportunities are available to all applicants and colleagues. We are a diverse organization of dedicated and innovative individuals, and don’t discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.