Lalit Singh

LS

Looking for a job

Lalit Singh

@lalitsingh6

Backend engineer at The Adecco Group who grew a candidate data service from 100k users to over 30M candidates.

At The Adecco Group, I built the central candidate backend end to end and grew it from 100k users to more than 30M candidates. I also wrote and tuned migration scripts that moved 25M candidate records across systems and regions in under 24 hours.

As Technical Lead, I own the candidate data service and lead a backend team of 12+ developers. I also proposed, designed and built an internal cloud platform for AI agents; separately, I built homespun, a hosted platform for AI-built apps, as a solo founder.

Experience

Work history, roles, and key accomplishments

HO

Current

Solo Founder

Current

homespun

May 2026 - Present (5 months)

Built homespun, a hosted platform for AI-built apps, as a solo founder. The AI deploys multi-user apps with shared databases and per-role permissions.

TypeScript NodeJS PostgreSQL Azure Container Apps Relay Server CLI SDK

TG

Current

Technical Lead

Current

The Adecco Group

Sep 2024 - Present (2 years 1 month)

Owns the central candidate data service and leads a backend team of 12+ developers. Built an internal AI agent platform and advised on LLM-backed features.

TypeScript NodeJS PostgreSQL Azure Salesforce OAuth AI GitHub Co Pilot System Design Technical Leadership

TG

Senior Backend Engineer

The Adecco Group

Jan 2021 - Aug 2024 (3 years 7 months)

Built the central candidate backend end to end, growing it from 100k to over 30M users. Wrote migration scripts that moved 25M records in under 24 hours.

TypeScript NodeJS PostgreSQL Data Migration System Design Code Review Mentorship

PA

Backend Engineer

payever

Sep 2019 - Dec 2020 (1 year 3 months)

Built backend services for payever's e-commerce website builder using Node.js, NestJS, TypeScript and MongoDB.

NodeJS NestJS TypeScript MongoDB

VG

Backend Developer

Vitapio GmbH

Jun 2018 - May 2019 (11 months)

Built the backend of an early-stage web app for recruiting, sourcing and staffing with Node.js, TypeScript and PostgreSQL.

NodeJS TypeScript PostgreSQL

JB

Software Developer and Teaching Assistant

Jacobs University Bremen

Jan 2016 - Jan 2018 (2 years)

Worked as a software developer and teaching assistant at Jacobs University Bremen.

TO

Backend Intern

Tosec

Completed a backend internship at Tosec in the Netherlands.

OS

Backend Intern

Objective Software

Completed a backend internship at Objective Software in Munich.

RK

Backend Intern

Ruwisch & Kollegen

Completed a backend internship at Ruwisch & Kollegen in Berlin.

Education

Degrees, certifications, and relevant coursework

JB

Jacobs University Bremen

BSc, Computer Science

2015 - 2018

Pursued a Bachelor of Science in Computer Science, focusing on core computer science principles and software development.

Tech stack

Software and tools used professionally

Salesforce

PostgreSQL

MongoDB

Node.js

Next.js

NestJS

React

TypeScript

Docker

SQL

npm

GitHub Copilot

Azure Container Apps

Claude

Availability

Looking for a job

Location

Germany

Authorized to work in

Website

Salary expectations

130k+ EUR

Social media

Job categories

Backend Engineer Full Stack Engineer Technical Lead

Skills

Backend Engineering TypeScript NodeJS PostgreSQL SQL System Design Distributed Systems Event Driven Architecture Scalability Data Migration OAuth AI Agent Platforms Generative AI Large Language Models Azure Container Apps

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