June 22, 2026

Lead .NET Engineer

Senior • Remote

140 - 160 PLN/hr

Gliwice, SL, Poland

Lead .NET Engineer

Remote

140–160 PLN/h B2B

Full-time (FTE)

*Project starts with a 2–3 week onboarding and training period in the US, followed by fully remote work.

About the role

We are looking for an experienced Lead .NET Engineer to take ownership of a squad responsible for core platform services, APIs, and payment integrations.

In this role, you will combine hands-on software engineering with technical leadership. You will define technical direction, partner with Product on roadmap delivery, mentor engineers, and help drive the adoption of AI-assisted development practices across the software delivery lifecycle.

Responsibilities

  • Own squad-level architecture and technical decision-making.

  • Lead the design, development, and operation of backend services and APIs.

  • Ensure high standards of code quality, performance, security, and reliability.

  • Drive incident management and operational excellence.

  • Collaborate closely with Product Managers and stakeholders to deliver roadmap priorities.

  • Mentor engineers through coaching, technical guidance, and regular feedback.

  • Participate in hiring and team growth activities.

  • Promote and implement AI-assisted development tools and best practices.

  • Contribute to continuous improvement of engineering processes, CI/CD, and platform capabilities.

Must-have requirements

  • 6–10+ years of experience building and operating production software systems.

  • Proven experience in a Technical Lead, Lead Engineer, or similar leadership role.

  • Strong backend development experience with C#/.NET.

  • Working knowledge of frontend technologies such as React or Vue.

  • Experience designing and operating distributed systems and microservice architectures.

  • Strong SQL and database design skills.

  • Experience working within payments, financial services, or other regulated environments.

  • Hands-on experience with AWS services, including:

    • SQS

    • DynamoDB

    • S3

    • ECS

    • Lambda

  • Experience owning and improving CI/CD pipelines.

  • Strong communication and stakeholder management skills.

Nice to have

  • Experience building large-scale payment platforms or fintech products.

  • Previous people-management responsibilities.

  • Experience with platform modernization and cloud transformation initiatives.

  • Experience implementing AI-powered engineering tools and workflows.

Tech Stack

  • C#

  • .NET

  • AWS

  • ECS

  • Lambda

  • SQS

  • DynamoDB

  • S3

  • SQL

  • Microservices

  • REST APIs

  • CI/CD

  • React / Vue

  • AI-assisted Development

What we offer

  • Long-term engagement in a strategic product initiative.

  • High-impact technical leadership role.

  • Opportunity to shape engineering standards and architecture.

  • Exposure to modern AI-assisted development practices.

  • International environment and collaboration with US-based teams.

  • Fully remote work after onboarding period in the US.

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Remote

Warsaw, Poland

🏢 Summary: Hands-on Lead .NET Software Engineer role focused on full ownership of end-to-end application development, building scalable solutions using .NET, ReactJS and Azure. The position emphasizes AI-driven development, modern cloud architecture and DevOps practices. This is an individual contributor role requiring strong technical leadership and independent delivery of complex applications. 🗂️ Requirements: 5+ years full-stack development with .NET and ReactJS, Proficiency in Azure, Proficiency in MS SQL, Experience delivering complex applications end-to-end, Experience with AI tools (GitHub Copilot preferred), Understanding of microservices, serverless and event-driven architectures, Experience with CI/CD pipelines, Experience with Docker and Kubernetes, Experience with infrastructure as code, English proficiency B2 or higher 📃 Skills: .NET, ReactJS, Azure, MSSQL, GitHubCopilot, AI, CI/CD, Docker, Kubernetes, Microservices, Serverless, EventDriven, IaC 🏢 Description: We are seeking a highly skilled and motivated Lead .NET Software Engineer to take full ownership of end-to-end application development. This is a hands-on, individual contributor role for a technologist who thrives on building robust, scalable solutions and is passionate about leveraging AI and cloud technologies. You will be responsible for designing, developing and delivering complex applications, ensuring technical excellence at every stage. Responsibilities Take full technical ownership of the entire application development lifecycle, from requirements analysis and design to implementation and deployment Design and build scalable, high-performance applications Use AI (at least Copilots) Collaborate with product owners and other engineers to deliver high-quality solutions that meet business objectives Write clean, maintainable and well-documented code; perform code reviews Troubleshoot, debug and optimize applications Requirements 5+ years of hands-on full-stack development experience with .NET and ReactJS, with a proven track record of delivering complex applications end-to-end Proficiency in Azure and MS SQL Flexibility to use AI tools (GitHub Copilot is preferred) Understanding of modern software architecture patterns (microservices, serverless, event-driven, etc.) Background in CI/CD pipelines, containerization (Docker, Kubernetes) and infrastructure as code Excellent problem-solving skills, attention to detail and a relentless drive for technical excellence Self-motivated, hard-working and able to work independently with minimal supervision Strong communication skills, able to articulate technical concepts clearly to technical and non-technical stakeholders English proficiency at B2 level or higher We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

Technology

EPAM Systems

Lead .NET Software Engineer

Senior

Remote

Krakow, Poland

🏢 Summary: Hands-on Lead .NET Software Engineer role with full ownership of end-to-end application development, focused on building scalable, high-performance solutions using cloud and AI technologies. The position involves designing, developing and delivering complex applications while leveraging Azure, ReactJS and modern architectural patterns. It is an individual contributor role for a senior technologist passionate about technical excellence and innovation. 🗂️ Requirements: 5+ years full-stack development experience with .NET and ReactJS, Proven delivery of complex end-to-end applications, Proficiency in Azure, Proficiency in MS SQL, Experience with AI tools (GitHub Copilot preferred), Knowledge of microservices, serverless and event-driven architectures, Experience with CI/CD pipelines, Experience with Docker and Kubernetes, Experience with infrastructure as code, English proficiency B2 or higher 📃 Skills: .NET, ReactJS, Azure, MSSQL, Copilot, CI/CD, Docker, Kubernetes, Microservices, Serverless, Event-driven, IaC 🏢 Description: We are seeking a highly skilled and motivated Lead .NET Software Engineer to take full ownership of end-to-end application development. This is a hands-on, individual contributor role for a technologist who thrives on building robust, scalable solutions and is passionate about leveraging AI and cloud technologies. You will be responsible for designing, developing and delivering complex applications, ensuring technical excellence at every stage. Responsibilities Take full technical ownership of the entire application development lifecycle, from requirements analysis and design to implementation and deployment Design and build scalable, high-performance applications Use AI (at least Copilots) Collaborate with product owners and other engineers to deliver high-quality solutions that meet business objectives Write clean, maintainable and well-documented code; perform code reviews Troubleshoot, debug and optimize applications Requirements 5+ years of hands-on full-stack development experience with .NET and ReactJS, with a proven track record of delivering complex applications end-to-end Proficiency in Azure and MS SQL Flexibility to use AI tools (GitHub Copilot is preferred) Understanding of modern software architecture patterns (microservices, serverless, event-driven, etc.) Background in CI/CD pipelines, containerization (Docker, Kubernetes) and infrastructure as code Excellent problem-solving skills, attention to detail and a relentless drive for technical excellence Self-motivated, hard-working and able to work independently with minimal supervision Strong communication skills, able to articulate technical concepts clearly to technical and non-technical stakeholders English proficiency at B2 level or higher We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.