SIGMA SOFTWARE MIDDLE/SENIOR FRONT-END ENGINEER (ADTECH)

Company Description We are looking for a responsible and proactive person, who loves challenges, constantly evaluates and questions, and above all, loves to ship products that solve real problems.
When joining us as a Front-End Developer, you'll be aligned with agile product and development teams, working together not only with other engineers but also with Product Managers, Scrum Masters, Architects, System Testers, DevOps, and Customer Support.
Join our talented development team to drive further development of the Bidder-as-a-Service platform.
CUSTOMER  Our Customer is a rapidly growing US-based AdTech company.
Founded by three ex-Googlers, the company has a highly technical team and an excellent technological culture.
The product provides extremely high-scale Bidder-as-a-Service solutions in advertising technology, works with global businesses, and has raised $28M to date (including the most recent Series B raise of $15M).
PROJECT We've worked closely with our Customer to deliver key components of the Bidder-as-a-Service platform.
During this partnership, we worked on migrating the API from PHP to Python, scaling the SaaS REST API, creating a new high-availability user interface, implementing data aggregation and processing tools, and many other features.
Sigma Software continues to collaborate with the Customer to ensure the successful delivery of numerous key components of the platform.
We're now seeking engineers to join the Customer’s engineering team and drive the further development of the platform.
Job Description Lead the development of new features and enhancements  Work with our tech stack and tooling, which includes but is not limited to.
ReactJS, TypeScript, Jest, Enzyme, Cypress, Easy-Peasy (Redux, ModX), React Storybook, AWS, GitHub, CI, and TDD practices  Elaborate on the technical design of complex systems or their large components  Ensure high quality, maintainability, and conformance of software to best practices  Produce clean code  Participate in requirements clarification sessions, collect inputs and requirements for assigned tasks  Proactively review code with peers to ensure its quality  Participate in estimation and planning sessions  Develop technical project documentation and user documentation  Participate in project and team meetings, providing relevant contributions and information  Understand and contribute to the team’s product roadmap, coming up with sound technical designs and solutions to challenging problems  Work closely with our UX/design team to ensure we produce coherent products that are a pleasure to use  Follow the Agile Scrum process, working in sprints to timely deliver work that satisfies all user story criteria and is of sound technical quality  Play a supervisory, advisory, and coaching role for one or several Senior specialists, ensuring their assigned tasks delivery thanks to guidance and peer reviews provided  Participate in technical interviews of software developer specialists and perform assessments of candidates’ capabilities against job requirements  Qualifications 5+ years of software engineering experience  Excellent knowledge of JavaScript/TypeScript, ReactJS, and the related ecosystem  Strong knowledge of algorithms and data structures  Expertize in documentation, Software Development Lifecycle, and ALM Tools  Strong estimation skills, with the ability to come up with solutions, pros, and cons  Experience in designing, implementing, and shipping rich Front-end applications  Strong knowledge of functional programming concepts and other programming paradigms  At least an Upper-Intermediate level of English  Additional Information PERSONAL PROFILE Passion for delivering elegant, maintainable, and testable technical solutions that meet both client and product needs  Openness to collaboration within a multidisciplinary team  Willingness to engage in discussions with engineers to find the best solutions for technical challenges  Eagerness to take on new challenges, grow professionally, and help others develop