Junior Backend Developer

Filled
February 20, 2026
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Job Description

Job Details

  • Job Title: Junior Backend Developer
  • Industry: Fintech / Crypto Trading Platforms
  • Location: Hybrid preferred (Chicago, NYC, or Atlanta) — Remote flexibility available for strong candidates
  • Experience Required: Up to 5 years in backend development
  • Work Environment: Cloud-native / CI-CD driven

Key Responsibilities

  • Build and maintain microservices using Java (Spring Boot) and Golang.
  • Design scalable REST and gRPC APIs for market data and exchange connectivity.
  • Develop and support crypto wallets and automated trading bots.
  • Optimize backend systems for performance and scalability.
  • Work with Kafka, Redis, Docker, and Kubernetes in a modern cloud-native environment.
  • Contribute to CI/CD pipelines using GitHub Actions.
  • Collaborate with engineering teams to deliver high-performance trading systems.

Company Overview

The organization is a fintech company building real-time crypto trading and digital asset platforms. The team focuses on high-performance backend systems, scalable microservices architecture, and cloud-native deployments to support automated trading and blockchain-based solutions.

Qualifications

  • No more than 5 years of backend development experience (Java and Go).
  • Experience with Spring Boot and JPA/Hibernate.
  • Hands-on experience with Docker and Kubernetes.
  • Strong understanding of concurrency, multithreading, and scalability concepts.
  • Experience working with crypto APIs (e.g., Binance, FTX) or trading-related projects.

Required Skills

  • Java (Spring Boot)
  • Golang
  • Microservices Architecture
  • REST APIs
  • gRPC
  • JPA / Hibernate
  • Kafka
  • Redis
  • Docker
  • Kubernetes
  • GitHub Actions
  • Concurrency & Multithreading
  • Backend Performance Optimization

Preferred Skills

Experience building automated trading systems

Experience with crypto trading platforms

Knowledge of blockchain APIs