Senior Backend Engineer | Feeld

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 Backend Engineer 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: Node.js, NestJS, GraphQL/REST, TypeScript, AWS, DynamoDB, PostgreSQL, SQS, EventBridge, WebSockets. ABOUT THE ROLE Feeld is building an inclusive, human-centered product and is looking for a Senior Backend Engineer to join their remote team on a contract basis. In this role, you'll hit the ground running, taking charge of triaging, investigating, and resolving complex backend issues while optimizing systems for scale, reliability, and data integrity. You'll work in a mobile-first environment where engineers are expected to have a strong understanding of the product and collaborate closely with cross-functional teams. We're looking for someone who can step into the team, get up to speed quickly, and contribute to architectural decisions and direction with a high degree of independence. 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 and provide clear pathways to resolution - optimize system performance to ensure reliability and availability - develop real-time features using WebSockets - 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 Node.js - demonstrated proficiency in backend development, with expertise in creating self-documented APIs using NestJS with GraphQL or REST - strong understanding of event-driven architectures and NoSQL data storage - strong proficiency in TypeScript - hands-on experience with AWS services, including ECS, DynamoDB, SQS, EventBridge, and PostgreSQL - hands-on experience building real-time features using WebSockets - practical experience with observability and monitoring tools, such as Sentry, DataDog, CloudWatch, and Amplitude - experience writing effective and reliable unit and integration tests - experience working in a mobile-first company, with an understanding of the product from an engineering perspective - full professional proficiency in English - experience working in a collaborative environment, as well as being adaptable to different approaches. NICE-TO-HAVE - experience with Infrastructure as Code using Terraform - experience with specialized services such as Apollo, Firebase Authentication, Stream Chat, Cloudflare, and Snowflake - interest or experience in globally distributed systems and scalability - interest or experience with ML/AI recommendation engines - test-driven mindset with a focus on automation and efficiency - familiarity with mobile development using React Native INTERVIEW STEPS 1. GT interview with Recruiter 2. GT technical interview 3. Client technical interview 4. Final interview 5. Reference check WE GO BEYOND USUAL PERKS… BY WORKING WITH US, YOU WILL GET - Health insurance. - Wellbeing 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 joining teambuilding and after-work activities. Our Extended Team model is focused on long-term projects that last over several years.