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Full-Stack Engineer

About the product

Intro

The mission of our client is to accelerate the adoption of renewable energy across Europe by combining technology, innovation, and deep energy market expertise. The goal is to enable a more efficient, transparent, and scalable energy transition.

Achieving this requires building intelligent platforms that connect key stakeholders across the energy ecosystem, fostering collaboration and delivering strong technical, commercial, and financial synergies to support the shift toward sustainability.

Technology stack

Next.js, React.js

TypeScript

tRPC

Node.js

MySQL (AWS RDS)

AWS Lambda

AWS S3

AWS Parameter Store

Vercel

Shadcn UI/Tailwind CSS

GitHub (CI/CD)

Your team

You will become a valued member of our development team, joining a group of innovative and passionate professionals dedicated to creating vital business tools. The project is currently in its Discovery phase, meaning you'll have the unique opportunity to be involved from the ground up, working alongside a talented Project Manager, Front-end and Back-end Engineers, a QA Engineer, and a DevOps Engineer.

Culture

We are committed to implementing high standards in the technology industry, and it is the fundamental principle of our work. To achieve this goal, the company and all its members are constantly evolving.

Each of us has the opportunity to contribute to the product, the company, the team, the industry, and our personal development. At Techstack, you have the option to choose from various growth opportunities that align with your interests:

- meetups, where you can share your knowledge and develop simultaneously by sharing your experiences within the company and local technical communities;

- roles such as a mentor or a technical lead. In any of these roles, you will assist junior professionals and share your knowledge and experiences with them;

- participation in our technical Guilds, where you can discuss technical solutions, approaches, and industry trends.

All of these elements contribute to shaping the culture and expertise within both, our team and the company as a whole.

Your responsibilities

Design, develop, and maintain web applications, ensuring high performance and responsiveness.

Take part in the discussion and construction of the project architecture.

Implement scalable backend APIs and integrate with frontend components to deliver seamless user experiences.

Optimize databases for scalability and performance, ensuring secure and efficient data handling.

Develop and maintain cloud-based deployment strategies, leveraging tools for automation and monitoring.

Troubleshoot and resolve technical challenges, ensuring the stability and security of the application.

Participate in Agile sprints, contributing to code reviews and providing technical insights for iterative development.

It's about you

Have 5+ years of experience in software development.

Have experience in developing applications using React.js/Next.js and Node.js.

Have experience building architecture and high-loading platforms.

Proficient in version control systems (Git) and Agile methodologies.

Have strong knowledge of relational databases, particularly PostgreSQL.

Have experience with cloud services such as AWS, including deployment and CI/CD pipelines.

Skilled in APIs, third-party integrations, and role-based access control (RBAC).

Demonstrate strong problem-solving skills and ability to collaborate in cross-functional teams.

Understand security best practices, including authentication protocols like OAuth and JWT.

Have an Upper-Intermediate level or higher in English.

What we have for you

Stable and long-term position in an experienced team.

Broad opportunities for professional and career growth, including professional challenges that encourage personal development, meetups, hackathons, professional communities, and more.

Direct communication with all stakeholders and the ability to influence product development.

Horizontal connections and absence of micromanagement where all team members are accessible to each other for any questions, instead of a traditional hierarchy.

Hubs in Kharkiv, Kyiv, Lviv, and Wrocław (Poland) or everything necessary for remote work.

Up to 50% compensation for the cost of educational courses and conferences to support professional development.

Free English language and business English courses.

20 days off and 7 sick days to support your health and well-being.

Legal and accounting support.

Appreciation gifts for significant events and occasions.

How to join Techstack

Pre-screening with a recruiter.

Expert review of your resume.

English check.

Interview with our experts.

About us

Techstack is a technology product engineering company that sets an example for high development standards in the IT industry. We empower each team member to influence the development of the product, company, and processes.

Learn more about Techstack

Want to make an impact?

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© 2025 Techstack. All rights reserved.
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