Senior Back-End Developer

4 dni temu


Kraków, Lesser Poland GT Pełny etat

GT was founded in 2019 by a former Apple, Nest, and Google executive. GT's mission is to connect the world's best talent with product careers offered by high-growth companies in the UK, USA, Canada, Germany, and the Netherlands.

On behalf of Feeld, GT is looking for a Senior Back-End Developer to help them improve their inclusive dating application.

About the Client

Founded in 2014 as a dating app Feeld gathered millions of users in one place to create a safer and more inclusive space online for everyone open to experiencing people and relationships in a new way. Their mission is to elevate the human experience of sexuality and relationships and create a world where everyone is more intimately connected to each other and themselves.

The technology stack of the project: , React Native, Typescript, AWS, DynamoDB

About the Role

Feeld is building an inclusive, human-centered product and they are looking for a Senior Back-End Developer to become part of their remote team and their mission to elevate the human experience of sexuality and relationships. You'll take charge of triaging, investigating, and resolving the most intricate issues encountered in their systems. This role demands expert knowledge of cross-platform development and a deep understanding of underlying technologies and frameworks. Ideal candidates will have prior experience in developing applications at scale, ensuring data integrity in globally distributed systems, and proficiency in performance testing and system monitoring.

Responsibilities:
  • develop and deploy scalable and resilient backend systems utilizing NoSQL and event-driven technologies within cloud-first architectures

  • take charge of in-depth investigations across backend systems, providing clear pathways to resolution

  • optimize system performance to ensure reliability and availability

  • collaborate with cross-functional teams, including product management and QA, to deliver high-quality features and enhancements

Essential knowledge, skills & experience:
  • at least 5 years of experience in back-end development using

  • demonstrated proficiency in backend development, with expertise in creating self-documented APIs using Node web frameworks (GraphQL or REST), alongside a strong grasp of event-driven architectures and NoSQL data storage

  • skilled in TypeScript with familiarity with AWS services like ECS, DynamoDB, Kinesis, EventBridge, and PostgreSQL

  • comprehensive understanding of core mobile native and cross-platform (React Native) development, including native build configurations in Xcode and Android Studio

  • emphasis on achieving performance and stability, with deep knowledge of React Native's internals, rendering optimizations, and the JS bridge

  • meticulous in crafting effective and reliable unit and integration tests

  • full proficiency in English

Nice-to-have
  • experience in mobile development using React Native

  • experience with Apollo, NestJS, Amplitude, Firebase Authentication, Stream Chat, Cloudinary, Sentry, Snowflake

  • interest in globally distributed systems and their scalability

  • curiosity about ML and AI models and their application in recommendation engines

  • test-driven mindset with a focus on automation and efficiency

  • proficiency in Terraform

Soft Skills
  • strong communication and collaboration skills, adept at working with diverse teams

Interview Steps
  1. GT interview with Recruiter

  2. Cultural Fit Interview

  3. Technical interview

  4. Reference check

We go beyond usual perks… By working with us, you will get
  • Health insurance.

  • Psychotherapy coverage.

  • Sport coverage.

  • Learning budget.

  • Paid vacations.

  • Paid sick leaves.

  • All public holidays are paid days off.

GT working model

You will work directly with a client through our Extended Team model. We try to do things differently and put our efforts into integrating you as deeply as possible into the client's team. You work with the same tools and technologies as they do and are managed directly by the client without any intermediary in between. We help you build relationships and create an environment where you genuinely feel like a member of the client's team. We also encourage trips to a client and join teambuilding and after-work activities. Our Extended Team model is focused on long-term projects that last over several years.



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