All Engineering Positions Systems & Cloud
High Demand

Backend Developer

Architect High-Throughput APIs & Distributed Systems.

Whether you build in Node.js, Spring Boot, Python (Django/FastAPI), Go, or C# (.NET), we are looking for backend engineers who understand scale, database design, and clean system architecture.

Preferred Technologies & Frameworks (use whatever you are most proficient in):
Node.jsExpressPythonFastAPIDjangoJavaSpring BootGoPostgreSQLRedisDockerAWSKafka

Role Overview

Accepting Applications
Position Backend Developer
On Completion Verified completion credentials
Evaluation Mode Stack-Agnostic Project Challenge
Upon Selection Access to paid work with real projects and startups
Official Verified Credentials

Selection Letter on shortlisting. Completion Certificate on project submission.

Selection Process

How to join as a Backend Developer.

A clear, transparent 5-step path from application to real paid project work.

01

Submit Your Application

Complete the application form with your personal details, academic background, preferred tech stack, and developer profiles. Takes approximately 2 minutes.

02

Profile Screening & Selection

Our engineering panel reviews your profile. Shortlisted applicants receive an official Selection Letter and invitation to the domain-specific task group.

03

Practical Project Evaluation

Work on real-world engineering challenges using any technology stack you prefer. All candidates who complete the evaluation receive verified completion credentials.

04

Technical Interview

Top performers advance to a live technical interview with senior Kagnus engineers to evaluate architecture decisions and code quality.

05

Paid Projects & Network Access

Selected engineers join the Kagnus Engineering Network with access to paid work on real client projects, startup products, and commercial assignments.

Recognized Credentials

Complete the evaluation. Earn verified credentials.

We recognize engineering effort. Whether you advance to the technical interview or not, completing the practical evaluation guarantees you an official Kagnus Verified Completion Certificate and professional recognition. Top performers unlock access to paid commercial work with real startups and clients.

Technology-agnostic evaluation Professional portfolio recognition Verified credential link Direct access to task group
Kagnus. OFFICIAL CERTIFICATE

Verified Engineering Evaluation

Backend Developer

Issued to Candidate
Evaluation Project Preview

Distributed API Engine & Queue Processing System

Design and deploy a resilient backend service with secure authentication, rate-limiting, database transactions, background job queuing, and API documentation.

Required Deliverables:

  • GitHub codebase with automated API tests & Swagger/Postman docs
  • Docker containerized deployment or cloud URL
  • Architecture diagram documenting system design decisions

Evaluated Skill Dimensions

High-Throughput Microservice Architecture & API Gateways
Relational & NoSQL Schema Design, Query Tuning & Transactions
Authentication Security (OAuth 2.0, OIDC, JWT, RBAC)
Distributed Caching, Rate Limiting & Asynchronous Message Queues
Container Orchestration, Observability (Prometheus/Grafana) & CI/CD
Backend Developer — Application Accepting Applications

Apply for Backend Developer Position

Complete the form below to submit your application. All fields marked with an asterisk are required. Typical completion time is under 3 minutes.

Personal Information
Academic Background
Technical Profile
Select the technologies you are proficient in.
You may also specify additional tools or frameworks not listed above.
Developer Profiles (provide at least one)

Shortlisted candidates will receive an official Selection Letter via email.

Frequently Asked Questions

Common Questions

Everything you need to know about the Backend Developer position.

Should I deploy the backend live for the evaluation?

Deploying live to platforms like Render, Railway, Fly.io, or AWS free tier is preferred, but local setup instructions with Docker compose are also accepted.