---
title: 'Senior Backend Engineer | Feeld at GT'
canonical: 'https://feeny.ai/job/senior-backend-engineer-feeld-gt-europe-based-candidates-only-58cz90t1w760'
type: 'job'
last_seen: '2026-11-12'
---

# Senior Backend Engineer | Feeld at GT

- **Company:** GT
- **Location:** Europe-Based Candidates Only 
- **Employment:** full-time
- **Work type:** remote
- **Posted:** 2026-09-22
- **Last confirmed live:** 2026-11-12
- **Apply:** https://jobs.ashbyhq.com/gt-hq/66b87333-304f-4a3a-a18d-af4c0ffb196a

## Job description

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

- GT interview with Recruiter
- GT technical interview
- Client technical interview
- Final interview
- 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.

## About GT

## Company Overview
- **One-liner**: GT is a boutique tech partner that helps high-growth companies design, build, and scale digital products, offering end-to-end product development, AI/ML implementation, and team scaling services.
- **Entity Type**: Private (Bootstrapped)
- **Headquarters**: Multiple locations across Europe, North America, and the UK (remote-first)
- **Founded**: 2019
- **Founders**: Andy Baynes (Co-founder & Chairman), Nikita Gorskykh (Co-founder & CEO), John Harris (Co-founder & CTO)

## Core Business
- **Primary Industry**: Technology Consulting & Custom Software Development
- **Target Customers**: High-growth companies, from fast-moving startups to global enterprises, primarily in the UK, US, Canada, and Europe
- **Mission**: To become a meeting point for the world’s best engineers and product companies with a tremendous and meaningful mission to implement in life [dou.eu](https://dou.eu/en/companies/https-www-gt-hq-com-career)

## Products & Services
- **Activate (Exploratory Projects)**: Focused, short-term engagements for AI adoption, migration assessment, or guiding a product’s next direction.
- **Scale (Team Expansion)**: Mid-to-long-term team scaling — a handpicked team of engineers hired specifically to client requirements, onboarded within 6 weeks, with no rotation between projects.
- **Deliver (End-to-End Development)**: Full management of a project from brief to launch, handling complete product development and seamless delivery.
- **Implement AI**: From exploring AI opportunities to fully implementing tailored AI/ML and data science solutions that drive growth.
- **Expertise Areas**: Full-stack development, AI/ML and data science, product management, data insights & visualization, quality management, and security advisory.

## Market Standing
- **Valuation/Market Cap**: Not publicly available (private, bootstrapped company)
- **Key Metric**: 686 total employees (as of mid-2026) [builtin.com](https://builtin.com/company/gt)
- **Notable Clients/Projects**: McLaren, Universal Studios, Jaguar Land Rover, Rio ESG, Eagle Genomics, Lumin Fitness [dou.eu](https://dou.eu/en/companies/https-www-gt-hq-com-career)
- **Growth Signals**: Founded in 2019 by leaders from Apple, Nest, Google, and GSK; operates across 26+ locations globally; strong remote-first culture with 91% eNPS and a Glassdoor rating of 4.6 [gt-hq.com](https://gt-hq.com/career)

## Competitive Advantages
- **Founding Team Pedigree**: Built by former executives from Apple, Nest, Google, and GSK — deep expertise in product development at scale.
- **No Engineer Rotation**: Unlike many outsourcing firms, GT never rotates engineers between projects, ensuring continuity and deep client relationships.
- **Boutique, High-Touch Model**: Focused on quality over volume, working with ambitious, world-changing products.
- **Data-Driven & Engineer-First Culture**: Emphasis on data-informed decisions, feedback loops, and resourceful thinking.

## Strategic Focus
- **Geographic Expansion**: Growing teams across Europe, North America, and the UK with remote and hybrid opportunities.
- **AI/ML Leadership**: Heavy investment in AI and data science capabilities to help clients adopt emerging technologies.
- **Client Diversity**: Serving both fast-moving startups and large-scale data transformation initiatives across industries like AR/VR, automotive, medtech/healthcare, and data science.

## Why Work Here
- **Culture**: Described as "engineer first and care driven" — a team of curious minds, creative thinkers, and builders who care about impact. Values include drive innovation, take responsibility, think resourcefully, use feedback and data, and exceed expectations.
- **Work Model**: Remote-first with hybrid options; employees can choose their own pace and working style — impact is what matters.
- **Perks**: Health insurance, psychotherapy coverage, learning budget, self-development investment, sports and mindfulness practices, mental support allowance, and fun team parties.
- **eNPS**: 91% (internal survey) [gt-hq.com](https://gt-hq.com/career)
- **Glassdoor**: 4.6 rating
- **Team Environment**: Described as initiative, hard-working, mature, curious, and optimistic — a "glass-half-full" community.

## Sources
1. [gt-hq.com](https://gt-hq.com/career)
2. [gt-hq.com](https://gt-hq.com/)
3. [builtin.com](https://builtin.com/company/gt)
4. [dou.eu](https://dou.eu/en/companies/https-www-gt-hq-com-career)
5. [jobs.ashbyhq.com](https://jobs.ashbyhq.com/gt-hq)

## Other roles at GT

- [Senior Site Reliability Engineer (SRE) | Feeld](https://feeny.ai/job/senior-site-reliability-engineer-sre-feeld-gt-brazil-626vbptv01jr) — Brazil
- [Senior Agentic AI Engineer | NDA](https://feeny.ai/job/senior-agentic-ai-engineer-nda-gt-warsaw-7qp632sykpy5) — Warsaw, Poland
- [Senior Backend Engineer (Mobile Monetization) | Feeld](https://feeny.ai/job/senior-backend-engineer-mobile-monetization-feeld-gt-poland-3vcfxcm10a3t) — Poland
- [Senior Applied Data Scientist | NDA](https://feeny.ai/job/senior-applied-data-scientist-nda-gt-warsaw-m6mxj01qh8nq) — Warsaw, Poland