Senior Python Back-End Developer (Crypto)

EPAM Systems; Deutschland; Vor Ort; EUR 75.000 - 120.000; Vollzeit

Zusammenfassung

EPAM Systems is seeking a Senior Python Back-End Developer to join our team and contribute to secure, scalable systems supporting cryptocurrency trading, custody, and settlement.

You will collaborate with stakeholders to deliver high-quality technical solutions, participate in design discussions, and ensure best practices across code, tests, and security.

Qualifikationen

• Bachelor's degree in Computer Science or related field.
• 3+ years of Python software development
• Experience designing and building scalable software
• Knowledge of SDLC and SOA principles
• Experience with SQL and NoSQL databases
• Familiarity with blockchain basics and crypto APIs

Aufgaben

• Collaborate with team to develop features and new products.
• Write technical specifications and standards for implementation.
• Implement unit and integration tests to ensure quality.
• Contribute to secure, scalable backend systems for crypto trading and custody.
• Perform code reviews and refactor as needed.
• Design secure integrations with blockchain networks and crypto exchanges.

Kenntnisse

Python

Microservices

REST/WebSocket APIs

Unit testing

Software security

Messaging systems

Ausbildung

BSc in Computer Science

Tools

Kubernetes

Terraform

Helm

Git

Jenkins

RabbitMQ

Kafka

Jobbeschreibung

We are seeking a Senior Python Back-End Developer to join our team and contribute to the design and development of secure, scalable systems supporting cryptocurrency trading, custody, and settlement. This role involves close collaboration with stakeholders and team leaders to deliver high-quality technical solutions aligned with business needs.

Responsibilities

• Collaborate with team members and stakeholders in developing features and new products
• Develop solutions according to specified business requirements
• Define and write up the technical spec, including the appropriate technology and workflow to coding standards
• Demonstrate and present implementation to team leaders/heads/CTO
• Implement Unit and Integration Tests
• Ensure software meets all requirements of quality, security, modifiability, and extensibility
• Participate in code reviews, identify anti-patterns in the code and refactoring opportunities
• Design and implement secure integrations with blockchain networks, crypto exchanges, and digital wallets
• Contribute to the development of systems supporting cryptocurrency trading, custody, and settlement
• Perform other duties as deemed necessary by their superior from time to time

Requirements

• BSc in Computer Science or related field
• 3+ years of experience in software development and coding in Python
• Knowledge of software and application design and architecture
• Understanding of software quality assurance principles
• Experience with software development lifecycle (SDLC) processes and service-oriented architecture (SOA)
• Experience in SQL and NoSQL databases
• Familiarity with RabbitMQ, Kafka, or other messaging systems
• Experience in developing microservices and managing containerized applications, including building web sockets
• Familiarity with Kubernetes and IaC tools such as Terraform and Helm
• Proficiency in version control and continuous integration tools such as Git and Jenkins
• Understanding of web security standards and best practices
• Knowledge of blockchain fundamentals, cryptography, and digital assets
• Hands‑on experience integrating with crypto APIs (REST/WebSocket), smart contracts, or blockchain SDKs
• Nice to have Exposure to DeFi protocols
• Familiarity with Web3 frameworks
• Knowledge of digital custody systems