Abhishek Singh

Backend Engineer

Delhi, India6 yrs 1 mo experience

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Key Highlights

5+ years of experience in backend engineering.
Expert in serverless architectures and AWS deployments.
Proven track record in fintech and healthtech projects.

Stackforce AI infers this person is a Backend Engineer specializing in Fintech and HealthTech with strong serverless architecture skills.

Contact

abhishek8290@gmail.com LinkedIn

Skills

Core Skills

Backend DevelopmentServerless ArchitectureFullstack DevelopmentFrontend DevelopmentBlockchain Development

Other Skills

API GatewayAWSAWS LambdaAlgorithmsAnalytical SkillsBlockchainCC++Data StructuresDynamoDBHTMLHyperledgerJavaJavaScriptKafka

About

Backend Engineer with 5+ years of experience delivering scalable, distributed systems across fintech, healthtech, and mobility. Proficient in designing APIs, event-driven architectures, and automation pipelines using technologies like Python, Node.js, and TypeScript. Experienced with serverless and containerized deployments on AWS. Comfortable with frontend work in React when needed. Known for system-level thinking, fast learning across stacks, and strong end-to-end product ownership.

Experience

Seaboard technologies

Backend Engineer

Jul 2024 – Present · 1 yr 8 mos · Singapore · Remote

Built a bulk disbursal system to transfer funds to multiple user wallets via CSV upload, using a queue-based mechanism with validation, OTP-based approval, and error handling.
Developed a digital KYC onboarding flow integrated with MatchMove, cutting wallet creation time from 2 days to under 5 minutes.
Delivered 3 standalone web apps: user signup, wallet creation, and a Security ID verification portal to confirm authenticity of outgoing communication links.
Used SST, Node.js, DynamoDB, AWS Lambda, S3, and message queues to build fully serverless systems.
Developed a URL shortener service with link expiration, access logging, and redirect tracking using AWS Lambda, DynamoDB, and API Gateway.

Node.jsAWS LambdaDynamoDBS3message queuesBackend Development+1

Pixii

Backend Engineer

Nov 2023 – Nov 2024 · 1 yr · Remote · Remote

Built an auto-save feature for a React-based ad editor, syncing to MongoDB every 5 seconds.
Integrated Cloud Campaign to automate ad uploads and fetch analytics across Facebook, Instagram, Pinterest, and LinkedIn.
Maintained services in NestJS and Python; used Postgres, MongoDB, and Milvus, deployed via AWS and Kubernetes.
Fixed critical backend bugs, improving system stability and performance.

ReactNestJSPythonPostgresMongoDBMilvus+4

Euler motors

Staff engineer 2

Jan 2023 – Oct 2023 · 9 mos · Delhi · On-site

Medibuddy

SDE 2

Jul 2020 – Jan 2023 · 2 yrs 6 mos · Bengaluru, Karnataka, India

Developed entire backend pipeline for purchase. Includes multiple wallet integration, cart management, checkout, paywall integration using ES , SQL, Express, Redis , Nodejs.
Lead a team of 3 and built a Phlebo Service which manages home sample collection of more than 500 tests across 35 cities in India. The backend was written in NodeJS and on the server less framework with MySQL Db. Things include Finance, Ops Tech, and third-party API integrations for information exchange of order eg. reports of an order.
Built an affiliate order booking tool wrapper Apis which can be accessed on any web using iframe as it works on the access token of the user.
Built a wrapper backend service for the web ERP for Medibuddy’s clients.
Created a unified login service as a phone number login (OTP verification) after merging companies  DocsApp and Medibuddy on Nodejs using express, Redis, and SQL.
Created a notification sending cron job, running every 15 minutes to send SMS to the client at a given  time interval using Nodejs and Kafka.

Node.jsSQLRedisKafkaBackend Development

Krazybee

Senior Software Engineer

Mar 2020 – Jun 2020 · 3 mos · Bengaluru Area, India

Created a web App on React that displays fetch images of the documents which needed to be manually
verified by the company using React.

ReactFrontend Development

Dexhigh services private limited

Software Developer

Jun 2019 – Sep 2019 · 3 mos · Banglore

Worked with a small team of five members, and contributed to design exnomy.com.
This website is a decentralised exchange market of digital currency using the Klayton blockchain for a
hackathon by Kakao a software company in South Korea and was awarded First Prize.

Klayton BlockchainBlockchain Development