Senior Software Developer

Job Title - Senior Software Engineer (P3), Client IntegrationJob Location - Hybrid, PuneBudget - INR 40 lacsAbout the RoleOur client is looking for a Senior Software Engineer to join our Client Integrations team. You'll be a technical leader within a motivated and supportive team, responsible for the design and development of key systems used both internally and externally. Your focus will be on leading frontend development of our client-side JavaScript that our customers use to integrate with us, ensuring it's performant and scalable across a wide range of browsers and devices. You'll also drive backend development of services written in Go, supporting our client-side code with robust APIs capable of handling the traffic of some of the internet's largest companies.What you'll be doing- Design, test, and implement features for our client-side JavaScript embedded into hundreds of millions of requests per day - Drive architectural decisions for systems owned by the team and contribute meaningfully to technical strategy discussions - Collaborate effectively across multiple cross-functional teams to build unique and innovative features that combat fraud and bots - Architect cutting-edge fingerprinting and device identification methods to protect the integrity of our customers' businesses - Lead code reviews, establish comprehensive automated testing strategies, and drive improvements to our development processes and engineering best practices - Communicate complex technical concepts to executive leadership and non-technical stakeholders - Support complex customer integration challenges and lead technical discussions with internal and external stakeholders - Represent engineering perspectives in product and business strategy discussions - Provide formal mentoring and technical guidance to P1 and P2 engineersMust have- 5+ years relevant software engineering experience with demonstrated technical leadership - Strong proficiency with JavaScript, with deep understanding of performance optimization and cross-browser compatibility - Strong proficiency with backend languages (we use Go) - Strong proficiency with DOM manipulation, event handling, and Web APIs - Strong proficiency with modern frontend frameworks and libraries, with ability to guide integration strategies and architectural decisions - Strong proficiency with Content Delivery Networks (CDNs) including edge functions and workers - Strong proficiency with cloud platforms, particularly AWS and Azure, with cost optimization experience - Experience designing and scaling NoSQL databases and caching solutions - Experience with performance testing, cross-browser compatibility testing, and optimization techniques - Proven ability to communicate complex technical concepts to executive leadership and non-technical stakeholders - Comfortable participating in an equitable team on-call roster to support our customers 24x7 - Experience mentoring or providing technical guidance to junior developers - Experience taking ownership of project delivery from conception through implementation - Ability to work independently on complex technical challenges with minimal oversight, effectively handling ambiguous requirements - Ability to contribute meaningfully to technical discussions and facilitate decision-making within engineering teamsNice to have- Extensive experience with DynamoDB, ScyllaDB, Redis, and Memcached - Experience with testing frameworks, methodologies, and test automation strategies at scale - Knowledge of web accessibility standards and compliance requirements - Experience leading Agile development practices and team capability development - Experience working with Kubernetes deployments and container orchestration - Experience designing and optimizing CI/CD pipelines with measurable impact - Experience with monitoring, observability, and performance analysis tools - Deep understanding of security best practices for client-side applications - Experience leading cost optimization initiatives with demonstrated business impact - Experience representing engineering in cross-functional strategic discussions