Fullstack Lead Engineer

Join the client’s team in the consumer electronics and advanced technology industry .

RESPONSIBILITIES

• Design and implement scalable and maintainable front-end architectures, ensuring high performance and reliability.

• Lead a team not only using technical skills but also soft skills by leading, mentoring, and inspiring your team.

• Lead the development of responsive, user-friendly, and visually appealing complex applications and components. Establish and follow best coding practices

• Set and maintain high standards for code quality, code reviews, and best practices within the front-end team.

• Identify and resolve performance bottlenecks, improve loading times, and optimize user experiences.

• Collaborate with product managers, UX/UI designers, engineers, and data scientists to define requirements and implement effective solutions.

• Collaborate with peers and technical leaders across multiple international teams and locations, driving cross-site initiatives and shared standards.

• Maintain comprehensive documentation for systems and processes.

• Ensure robust testing procedures and continuous integration to guarantee the reliability of our front-end applications.

• Collaborate with cross-functional teams to define and refine project requirements.

• Stay abreast of industry trends and emerging technologies to ensure our solutions remain cutting-edge.

• Technologies in use: TypeScript, SCSS, React, Jest, Cypress, GraphQL, Ruby on Rails, GoLang, AWS, Kafka, Kubernetes, Terraform, Helm.

REQUIREMENTS

•  At least 5 years of experience in creating web applications (Frontend/Full-Stack)

• Good knowledge of TypeScript, JavaScript, CSS and React

• Good practical knowledge of Ruby/Go

• Experience in test-driven development and ability to write automated tests.

• Experience with performance optimization, responsive design, and crossbrowser compatibility.

• Fluency in English

• University degree in Computer Sciences, Telecommunication and/ or similar

• How to write technical specification

• How to work with AGILE methodologies 

NICE TO HAVE

• Knowledge of ad tech concepts, ad exchanges, and programmatic advertising is a plus.

• Practical experience in graphic design and/or User Experience design

• Knowledge of Back-End technologies: Java, Spring

• Knowledge of other frameworks, like Angular, Vue

• Experience with writing E2E tests using Cypress

• Experience with Material UI

• Experience with Storybook

WHAT DO WE OFFER ON THIS PROJECT?

• Employment directly through the client.

• Cooperation based on  employment contract.

• Hybrid work from Warsaw (3 times a week in the office).

• Private medical care (option to add family members), Multisport card, life insurance, lunch card, partial reimbursement for English language courses, various discounts (products, theaters, restaurants).

WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE?

Application: Apply and submit your CV.

After the application review, the recruiter will contact selected candidates by phone.

Screening: Have a conversation with a speedapp recruiter about your experience.

Next steps: The speedapp recruiter will explain the recruitment process for the specific position.

The speedapp recruiter will stay in touch with you throughout the entire process.

ABOUT SPEEDAPP

At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them.

👉 10 years of experience

👉 +100 clients worldwide 

+300 hires per year

💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch.