Senior Integration & API Developer – AWS, Python and AI Agents

PolandRemoteFull-timesenior

EngineeringBackend Developer

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Quick Summary

Overview

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Integration & API Developer – AWS,

Technical Tools

EngineeringBackend Developer

This is a remote opportunity for a senior developer focused on APIs, system integrations, and AI-powered enterprise solutions.
You will design and build scalable APIs that connect business systems, external platforms, and intelligent applications.
The role combines hands-on Python development with AWS cloud services and modern AI agent technologies.
You will help create AI-powered workflows where agents can access data, invoke tools, make decisions, and execute multi-step processes.
As a client-facing technical partner, you will translate business requirements into reliable and practical solutions.
You will also contribute to troubleshooting, optimization, monitoring, and the continuous improvement of integration environments.
The role offers opportunities to collaborate across teams, work directly with clients, and mentor junior developers.

Design, develop, and maintain APIs that support business processes, system integrations, and AI-powered applications.
Build and manage integrations between internal systems, external platforms, Salesforce, REST APIs, and third-party services.
Design and implement AI agent integrations capable of interacting with APIs, databases, enterprise applications, and business workflows.
Develop AI-powered workflows and automation using LLMs, AI agents, tool/function calling, and API-based integrations.
Work directly with clients to gather requirements, understand business needs, and deliver effective technical solutions.
Deploy, monitor, troubleshoot, and support integration solutions running in AWS environments.
Optimize integrations for reliability, scalability, and performance while identifying and resolving technical issues.
Collaborate with cross-functional teams and provide technical guidance and mentorship to junior developers.

Requirements

~1 min read

5+ years of professional software development experience.
Strong expertise in API design, development, and integration, with proven experience connecting complex systems and services.
Hands-on experience with AWS services such as API Gateway, Lambda, ECS, RDS, SQS, or comparable cloud services.
Strong proficiency in Python and experience building production-quality applications and integrations.
Experience with AI and LLM technologies, including AI agents and applications that can retrieve information, invoke APIs or tools, make decisions, and execute multi-step workflows.
Strong problem-solving skills with the ability to troubleshoot and optimize distributed integrations.
Excellent client-facing, communication, and collaboration skills, with the ability to translate business requirements into technical solutions.
Experience with Salesforce integrations is a plus.
Knowledge of event-driven architectures and services such as SQS and SNS is a plus.
Experience with Infrastructure as Code, particularly Terraform, is a plus.