Senior Software Developer (Go & JScript)

Job Title - Senior Software Engineer (P3), Client Integration

Job Location - Hybrid, Pune

Budget - INR 40 lacs

About the Role

Our 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 engineers

Must 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 teams

Nice 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