Create a backend for an AdTech system in TypeScript/NestJS + PostgreSQL
22 USD I am looking for a Junior Backend Engineer to assist with the backend part of an advertising (AdTech) system. The project is almost ready; we need to finalize the functionality and stabilize the MVP.
🔧 Technology stack:
TypeScript, Node.js, NestJS
PostgreSQL, REST API
Git
It would be a plus:
ORM (MikroORM), DTO/validation
JWT (authentication/authorization)
Swagger/OpenAPI for documentation
Redis, Docker, TimescaleDB
🛠 What needs to be done:
Implement functionality for managing advertising campaigns
Complete authentication and authorization
Set up database operations (migrations, optimization)
Integrate additional REST API endpoints
Update documentation (Swagger/OpenAPI)
-
1 day22 USD
1014 6 0 1 day22 USD
👋 Hello!
I am ready to help with your project and complete the assigned tasks.
I have practical experience working with all technologies except MikroORM and PostgreSQL (I use other databases).
I would be happy to work together on the project.
-
1 day22 USD
6786 18 1 1 day22 USD
Hello. I have experience with Node.js, Nestjs. I will help with creating an MVP.
-
10 days67 USD
366 10 days67 USD
Hello! I am a Junior Full Stack Engineer with experience in NestJS, TypeScript, and PostgreSQL. I am ready to finish your MVP, optimize the database, implement campaign management, and set up authentication. I can quickly integrate additional APIs and update the documentation.
I am ready to start immediately and bring the project to a stable state.
-
1 day22 USD
95670 1272 1 10 1 day22 USD
Hello. I have extensive experience with Nest.js. Ready to collaborate. Contact me.
-
1 day22 USD
9944 117 0 1 day22 USD
Hello.
I am a NodeJS developer. I am ready to take it on. Write to me, we will discuss.
Current freelance projects in the category Databases & SQL
Refinement of 1C UT 11 for Zebra TSD (RDP): different sound signals when scanning
22 USD
Configuration: 1C UT 11 Address warehouse Zebra TC26 TSD Work via RDP Product scanning is performed in receiving, placement, picking documents, and other warehouse operations. Current problem: Warehouse workers operate through the Zebra TSD. When scanning, they do not always… C#, Databases & SQL ∙ 6 hours 20 minutes back ∙ 2 proposals |
Heal the 1C configuration
111 USD
Configuration of CRM & ERP SmartCeiling (2.8.26.0) Protection via Registration Code. Registered until the end of the year. Databases & SQL ∙ 21 hours 27 minutes back ∙ 7 proposals |
Need a 1C specialist for refinements and development.I am looking for a 1C specialist for freelance collaboration. I am currently working with a contractor who provides support and maintenance for the 1C system. However, due to the contractor's workload, there is a need for prompt execution of additional tasks, improvements, and… Databases & SQL ∙ 5 days 20 hours back ∙ 11 proposals |
Restoring Instagram after a banOn March 3, 2026, my Instagram was blocked due to a violation of rules. I believe there has been some mistake, as the page was personal with photos and videos of my personal trips. I did not post any comments anywhere. I have sent several appeals. I cannot download my files… Databases & SQL, Web Programming ∙ 6 days 7 hours back ∙ 6 proposals |
Eliminate the issue of incomplete data import from Excel files of Nova Poshta specifications into 1C:
45 USD
Goal: There is a processing in 1C for uploading the specifications of Nova Poshta. For unclear reasons, it has stopped loading some tabular data. We need to find the reason and eliminate the problem of incomplete data import from Excel files of Nova Poshta specifications into… System & Network Administration, Databases & SQL ∙ 9 days 14 hours back ∙ 16 proposals |
Kyiv