Tech Lead (.NET & React) - Remote Work Type

Directio Sp. z o.o.; Warszawa; Remote; PLN 120,000 - 180,000; Full time

Job summary

An international IT services company is seeking a Tech Lead in Warsaw. You will design and develop backend and frontend components using .NET Core while mentoring the engineering team. The ideal candidate has over 8 years of experience in web applications, strong skills in C#, ASP.NET Core, and JavaScript, as well as experience with React. The company offers a salary of 27,000 – 31,000 PLN B2B, flexible working conditions, and benefits including private healthcare and training.

Benefits

Private healthcare

Multisport card

Training

Qualifications

• 8+ years of experience building data-heavy web applications.
• Experience mentoring or supporting engineers in small teams.
• Strong experience with C#, ASP.NET Core, and modern JavaScript.
• Experience with React.
• Ability to guide engineers in clean code principles.

Responsibilities

• Designing and developing backend and frontend components using .NET Core.
• Supporting the engineering team through daily guidance and code reviews.
• Collaborating with the architect and the engineering group.
• Helping onboard new engineers.
• Fostering a collaborative and productive work environment.

Skills

C#

ASP.NET Core

Modern JavaScript

React

Clean code principles

Job description

Directio is a global IT services company. We consult, code, test, deploy, and manage mainly cloud-based and mobile applications, providing around-the-clock support from our offices in Poland, the Philippines, Mexico, and the USA. We prepare our FMCG, retail, automotive, and SaaS clients for the future by accelerating their digital transformation. Operating under the “We Code Success” principle, we prioritize the success of our clients, consultants, and partners.

About project

We are looking for a Tech Lead for our multinational client, who specializes in developing marketplaces and systems aimed at lowering the costs of IT products. They emphasize transparency, price comparison, and real-time delivery options.

Responsibilities

• As Tech Lead you will be designing and developing backend and frontend components using .NET Core and modern web technologies, ensuring high performance, maintainability, and scalability across the platform;
• You will be supporting the engineering team through daily guidance, code reviews, and technical coordination, helping maintain consistent quality and shared standards;
• You will be collaborating closely with the architect and the wider engineering group to define shared patterns, architectural choices, and system-level design principles;
• You will be helping onboard new engineers, providing direction, structure, and clarity to ensure they integrate smoothly and begin contributing effectively;
• You will be fostering a productive, collaborative, and open work environment by encouraging good engineering practices, offering constructive feedback, and promoting teamwork across the group.

Requirements

• 8+ years of experience building data-heavy web applications, ensuring you can design robust, scalable, and efficient systems capable of handling complex data workflows;
• Experience mentoring or supporting other engineers in small teams, enabling you to guide, coach, and elevate their technical abilities;
• Strong experience with C#, ASP.NET Core, and modern JavaScript, allowing you to deliver high-quality backend services and well-structured front-end components;
• Experience with React, enabling you to contribute effectively to dynamic, component-driven user interfaces;
• Comfort working across backend, frontend, and cloud-based systems, ensuring seamless delivery of end-to-end features;
• Ability to guide engineers in clean code principles, structured problem-solving, and effective testing practices, supporting consistent team excellence;
• Clear communication skills in an international environment, combined with a self-driven approach, ensuring effective collaboration and independent delivery.

Nice to have

• Experience working with Blazor, allowing you to contribute to modern .NET-based front-end development.

We offer

• Salary for work amounting to 27 000 – 31 000 on B2B;
• Flexible working conditions;
• Private healthcare, Multisport card and trainings.

Please be advised that we will only contact selected candidates