Back end Jobs in Ukraine

Design and implement scalable Python-based MCP servers and supporting microservices Develop secure resilient backend APIs and services (FastAPI Pydantic asyncio) Ensure compliance with secure Back-end engineering principles including schema-driven contracts input validation rate limiting secrets man...

We are looking for a highly skilled Senior Full Stack Developer who will act as a central technical reference for all web-related projects. This role combines hands-on development with technical leadership to ensure the delivery of scalable high-quality digital products.Qualifications : Responsibil...

Collaborate with the product team to understand their requirements and translate them into technical specifications and features Lead the research design implementation deployment and monitoring of the D3 protocol which enables the tokenization of domains as real world assets (RWAs) on the Solana bl...

Ajax Systems is a global technology company and the leading developer and manufacturer of Ajax security systems with smart home capabilities in Europe. It encompasses a comprehensive ecosystem featuring 180 devices mobile and desktop applications and a robust server infrastructure. Each year we expe...

Design and build high-performance secure Back-end services for our vault and key management infrastructure Develop cryptographic workflows including key generation rotation and secure storage mechanismsBuild robust APIs with comprehensive authentication authorization and rate limitingWrite clean mai...

Code debug document and maintain Front-end and Back-end components Perform unit integration and E2E testing Participate in peer code reviews Take part in task estimation and sprint planning Contribute to technical project documentation and user manuals Assist QA engineers and support personnel in re...

Participate in story refinement and grooming to clarify requirements and define acceptance criteria Collaborate with product managers and developers to understand requirements clarify functionality and design realistic and edge-case-aware use casesDevelop comprehensive test strategies and plans that...

About the CompanyOur client is a B2B SaaS company that drives growth for its clients around the world.They are the #1 AI-native platform for Customer Experience and Marketing offering marketers a single platform to deliver unique experiences per person drive profitable growth and unleash peak produc...