Python Developer with AWS AgentCore, Agent Gateway
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Salary
≈ $13k – $30k per year (Estimated)
Location
Remote (Bulgaria, Cyprus, Kazakhstan, Poland, Romania, Serbia, Ukraine, Armenia, Georgia, Latvia)
Seniority
Middle · 3+ years exp
Visa
Sponsors visas in United States; no register of this country names it
Employment
Full-Time
Confirmed on the employer's own hiring board on Nov 8, 2026. First seen by Alion on Sep 8, 2026. DataArt scores B on the Alion truth index.
Overview
Company
Impact
Profile match
DataArt is a global software engineering and consulting firm headquartered in New York that builds and modernises custom software, data platforms and cloud infrastructure for clients in finance, travel, healthcare, media and retail. Founded in 1997, it runs delivery centres across Europe, the Americas and Asia, including offices in Wroclaw, Lublin and Lodz in Poland and teams in India, and works with more than 400 enterprise clients. Its openings include senior .NET, Java, Python and frontend engineers, DevOps and site reliability engineers, data architects and data engineers, QA automation leads and solution consultants.
We are looking for a Python Developer with experience in backend engineering, API implementation, and async communication patterns. You will be involved in building agent integration flows, implementing REST endpoints, and supporting agent to agent communication scenarios.
This opportunity is centered on building and integrating backend services for agent to agent communication. The work includes implementing protocol wire formats, agent card registration, target configuration, and async event driven flows. Project nickname: Agent Gateway
- Develop backend services using Python for agent communication flows
- Implement REST API endpoints and routing logic
- Integrate AWS AgentCore Runtime and Gateway features, including Agent Card registration and target configuration
- Develop A2A agent invocation flows using caller and target template integration
- Implement the A2A protocol wire format using JSON RPC 2.0
- Support Server Sent Events (SSE) task lifecycle events and push notification flows
- Author Agent Card JSON schemas and implement the /.well-known/agent.json endpoint
- 3+ years of experience in Python or Go backend engineering
- Experience with API integration and routing
- Experience with agent based or microservice communication patterns
- Experience with REST API implementation, including building and maintaining endpoints
- Understanding of asynchronous and event driven architectures, including SSE and webhooks
- Experience with Python, including asynchronous programming
- Experience with the AgentCore SDK and REST APIs
- Experience with AWS AgentCore Runtime and Gateway
- Understanding of A2A agent invocation patterns
- Understanding of the A2A protocol wire format, including JSON RPC 2.0, SSE task lifecycle events, and push notifications
- Experience authoring Agent Card JSON schemas and implementing the /.well-known/agent.json endpoint
- AWS AgentCore Gateway template integration validation
- AWS Bedrock multi agent invocation patterns
- SSE event streaming, including task lifecycle events and push notifications
- OpenTelemetry trace propagation across A2A agent hops, including ADOT
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