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developer (APG)

USoftware

Job Location:

Lviv - Ukraine

Monthly Salary: Not provided by the employer

Posted: 15 May 2026 (30+ days ago)

Application Deadline: 8 October 2026

Vacancies: 1 Vacancy

Job Summary

About APG
APG is a global software and technology company delivering digital solutions integrations and enterprise-grade platforms for businesses across multiple industries. The company focuses on building scalable secure and high-performance systems with strong expertise in cloud-native development distributed architectures and enterprise integrations.

As part of the engineering team youll work on modern backend systems and custom integrations that support complex business operations high availability environments and large-scale enterprise workflows.

The Position
We are looking for an experienced Engineer to join the APG engineering team and contribute to the design and development of scalable backend services integrations and distributed systems.

In this role you will work on enterprise-grade solutions involving APIs EDI integrations cloud services messaging systems and microservices architecture. Youll collaborate closely with technical leadership business stakeholders and cross-functional engineering teams while helping drive engineering best practices architecture decisions and technical excellence across the platform.

Team Composition & Collaboration
Youll work closely with:

Technical Team Leads
Backend Engineers
DevOps Engineers
Business Analysts
Product & Technology stakeholders

The environment is Agile/Scrum-based with strong focus on collaboration ownership scalability and engineering quality.

Responsibilities

Design develop and maintain scalable backend services and custom integrations using C# Core/.NET 68
Build and support APIs Webhooks and EDI integrations across internal and external platforms
Architect distributed systems involving databases messaging systems caching layers and cloud storage technologies
Contribute to microservices-based architecture and cloud-native solutions
Optimize application performance scalability reliability and security
Work with SQL and NoSQL databases including query optimization and indexing
Implement asynchronous messaging solutions using tools such as RabbitMQ or Azure Service Bus
Participate in CI/CD processes containerization and cloud deployments using Docker and Kubernetes
Conduct code reviews and contribute to engineering best practices clean architecture and SOLID principles
Troubleshoot and resolve complex production and integration issues
Collaborate with stakeholders to translate business requirements into technical solutions
Mentor engineers and contribute to knowledge sharing within the team
Support monitoring logging and observability initiatives across the platform

Key Requirements

Must-Have

5 years of commercial experience with C# Core / .NET 68
Strong experience building backend APIs and distributed systems
Solid understanding of microservices architecture and clean architecture principles
Experience with Core Web API gRPC and asynchronous programming
Strong knowledge of SQL databases (SQL Server PostgreSQL)
Experience with NoSQL databases such as MongoDB or CosmosDB
Hands-on experience with messaging systems like RabbitMQ or Azure Service Bus
Experience with Docker and Kubernetes/AKS
Strong understanding of CI/CD practices and Azure DevOps
Experience working with cloud platforms such as Azure or GCP
Knowledge of authentication and security standards (OAuth2 OpenID Connect JWT)
Experience with unit and integration testing frameworks (xUnit NUnit Moq)
Experience working in Agile/Scrum environments

Nice-to-Have

Experience with Domain-Driven Design (DDD) CQRS or Event Sourcing
Experience with observability and monitoring tools such as Grafana ELK Stack Splunk or Application Insights
Experience with distributed caching solutions like Redis
Performance tuning and profiling experience
Leadership or mentoring experience within engineering teams

Soft Skills