Rajat Singh 🚀

Senior Software Engineer

Bangalore Urban, Karnataka, India6 yrs 10 mos experience

Highly StableAI Enabled

Key Highlights

Over 7 years of Fullstack development expertise.
Led development of scalable stock trading platform.
Achieved 30% downtime reduction and 33% performance gain.

Stackforce AI infers this person is a Fintech Fullstack Engineer with expertise in scalable systems and microservices.

Contact

iamrajatsingh.work@gmail.com LinkedIn

Skills

Core Skills

Java SpringbootMicroservicesMentorshipReact.jsFull-stack Development

Other Skills

AWSKubernetesTanstack react queryProfessional MentoringRedux ToolkitNext.jsNestJSSEONode.jsMongoDBStrategic PlanningProduct ManagementModule federationEnterprise JavaBeans (EJB)Core Java

About

I bring over 7 yrs of Fullstack development expertise as a Senior Software Engineer, specializing in constructing end-to-end applications. In addition to my hands-on development experience, I've played a pivotal role in managing & mentoring team members, fostering a collaborative environment, and ensuring the delivery of scalable products through thorough code reviews, training initiatives, and SOP implementation. My skill set encompasses proficiency in ReactJS, Redux, Redux Toolkit, React Query, NodeJS, Java Springboot, MongoDB, PostgreSQL, MySQL, AWS, JavaScript, ES6/7, HTML, CSS, Tailwind CSS, MUI, Styled components, as well as demonstrated capabilities in mentoring and team building. Passionate about driving excellence in software development, I am dedicated to both individual growth and collective success within dynamic and collaborative teams.

Experience

6 yrs 10 mos

Total Experience

4 yrs 7 mos

Average Tenure

2 yrs 3 mos

Current Experience

Topmate.io

Mentor

Oct 2024 – Present · 1 yr 7 mos · Remote

✦ Mentored developers through interview prep, mock interviews, resume reviews, and career guidance.
✦ Collaborated with individuals to achieve their career goals and elevate their professional journey.

MentorshipProfessional Mentoring

Hdfc securities

Senior Software Engineer

Feb 2024 – Present · 2 yrs 3 mos · Bengaluru, Karnataka, India · Hybrid

✦ Developed a Spring Boot-based Feed Parser handling 50K+ events/day across multiple market segments, incorporating asynchronous ingestion, deduplication, and circuit breakers to maintain 99.9% service reliability.
✦ Built a Java-based orchestration service facilitating seamless integration between multiple microservices, third-party APIs, and external systems.
✦ Have led a team of developers to build a scalable stock trading platform with advanced data analysis capabilities.
✦ Implemented a polyrepo architecture to manage multiple applications alongside a shared component library.
✦ Built trading and investment platform from scratch. (https://investright.hdfcsec.com/)
✦ Driving efficient collaboration using Agile methodologies, and development through modular, scalable solutions.
✦ Ensuring seamless integration and performance optimization across the platform.
✦ Making system more observable by using kubernetes, dyanatrace.
✦ Established various Engineering processes around Scrum and interview

Java SpringbootMicroservicesAWSKubernetesTanstack react query

Slice

2 roles

Software Engineer II - Fullstack

Promoted

Nov 2022 – Jan 2024 · 1 yr 2 mos

✦ Contributed to the Platform Team, addressing key scalability challenges.
✦ Solved operational scalability problems across KYC ops, Credit Ops, Card ops, FinOps, etc
✦ Migrated multiple legacy web apps to a monorepo using ReactJS, Redux Toolkit, React Turbo, and an Atomic design-based component library.
✦ Revamped the company’s primary website (https://www.sliceit.com/) using Next.js, incorporating dynamic animations, advanced UI/UX designs, and best SEO practices in collaboration with the UI/UX team to improve the impact of marketing and user engagement.
✦ Optimized Bulk Operation service, increasing file handling from 2 lakh to more than 1 crore and boosting GTV from ₹5 cr to ₹40 cr.
✦ Architected and built a robust action history module with a complete maker-checker flow enabling auditability and approval workflows reducing manual closure errors by 85%.
✦ Reduced costs by replacing a monolith service with a NestJs-based Orchestrator to coordinate microservices.
✦ Addressed tech debt by implementing unit tests, migrating AWS ECS to EKS, enhanced observability with Sentry, Grafana, and Prometheus, and migrated MongoDB to PostgreSQL.

React.jsRedux ToolkitNext.jsNestJSMicroservices

Software Engineer I - Fullstack

Jun 2019 – Nov 2022 · 3 yrs 5 mos

✦ Led end-to-end development of an in-house web app using React-Redux, NodeJs, MongoDB.
✦ Built an Access Control Service to manage user roles and dynamically render components.
✦ Developed a Bulk Operation Service to handle large data volumes, integrated with AWS CI/CD pipelines.
✦ Contributed to a Task Operation Service with Node.js and RabbitMQ, improving real-time task distribution and boosting operation team’s productivity.
✦ Delivered key features like Basic KYC and Repayment in collaboration with Product and QA.
✦ Automated KYC processes, reducing workforce needs by 60% and cutting processing time by 70%.
✦ Managed tech backlogs, including AWS EC2 to ECS migration and security improvements.

React.jsNode.jsMongoDBAWSFull-Stack Development