Design and build high-performance APIs and backend services, optimize data flows, and create responsive UIs, while collaborating across teams.
About Us:
Predactiv is a high-scale, high-impact data platform company. We process terabytes of data and billions of events every single day — powering AI-driven insights, audience segmentation, and real-time decisioning for AdTech, MarTech, and beyond.
We’re a lean, elite engineering team that moves fast, ships often, and solves hard problems with elegance and speed. We don’t have layers of bureaucracy — if you build it, you ship it, and you own it. Our stack blends Node.js, Python, GoLang, React, TypeScript, Tailwind, MongoDB, Elasticsearch, DynamoDB, and AWS to deliver performance at scale.
Responsibilities:- Backend (70%) — Architect, build, and optimize high-performance APIs and backend services in Node.js (primary), with contributions in Python and GoLang.
- Work with MongoDB, Elasticsearch, and DynamoDB to design and tune data flows for speed and scalability.
- Tackle large-scale distributed system challenges — billions of events, massive datasets, and sub-second response times.
- Frontend (30%) — Build responsive, modern UIs using React, TypeScript, Tailwind, HTML/CSS to bring features to life.
- Collaborate across product, data, and design to deliver full-stack features from idea to deployment.
- Profile, debug, and optimize performance across the stack — no silos, no hand-offs.
- Contribute to architecture, code reviews, and technical decision-making.
- 5+ years of professional software engineering experience, with a proven track record in backend/API development.
- Deep expertise in Node.js (JavaScript/TypeScript) for backend systems.
- Strong experience with React, TypeScript, Tailwind, HTML/CSS for frontend work.
- Hands-on experience with at least one NoSQL database (MongoDB, Elasticsearch, or DynamoDB).
- Sharp problem-solving skills and the ability to figure things out fast.
- Familiarity with Python or GoLang (bonus if both).
- Comfortable working in a lean, fast-moving, Agile environment.
- Bonus: AWS experience and background in large-scale distributed systems.
Top Skills
AWS
DynamoDB
Elasticsearch
Go
MongoDB
Node.js
Python
React
Tailwind
Typescript
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