{"id":4069042,"url":"https://alion.io/job/gt-senior-backend-engineer-feeld","title":"Senior Backend Engineer | Feeld","company":{"id":673955,"name":"GT","domain":"gt-hq.com","url":"https://alion.io/company/gt-hq","size_band":"11-50","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_regions","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["DE","FR","GB","AT","BE","BG","HR","CZ","DK","FI","HU","IE","IT","NL","NO","PL","RO","ES","SE","CH","EE","GR","IS","LV","LI","LT","LU","MT","PT","SK","SI"],"hiring_countries_total":31,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon CloudWatch","optional":false},{"name":"Amazon ECS","optional":false},{"name":"Amazon EventBridge","optional":false},{"name":"AWS","optional":false},{"name":"Datadog","optional":false},{"name":"DynamoDB","optional":false},{"name":"GraphQL","optional":false},{"name":"Nest.JS","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rest API","optional":false},{"name":"Sentry","optional":false},{"name":"TypeScript","optional":false},{"name":"WebSockets","optional":false},{"name":"Cloudflare","optional":true},{"name":"Firebase","optional":true},{"name":"JavaScript","optional":true},{"name":"React Native","optional":true},{"name":"React.js","optional":true},{"name":"Snowflake","optional":true},{"name":"Stream","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2026-09-22T10:57:02Z","employer_posted_date":"2026-09-22","last_verified_at":"2026-11-13T12:38:12Z","board_verified":true,"closed_at":null,"days_open":52,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":52},"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.\nOn behalf of Feeld, GT is looking for a Senior Backend Engineer to help them improve their inclusive dating application.\nAbout the Client\nFounded 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.\nThe technology stack of the project: Node.js, NestJS, GraphQL/REST, TypeScript, AWS, DynamoDB, PostgreSQL, SQS, EventBridge, WebSockets.\nAbout the Role\nFeeld is building an inclusive, human-centered product and is looking for a Senior Backend Engineer to join their remote team on a contract basis.\nIn 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.\nWe'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.\nResponsibilities:\ndevelop and deploy scalable and resilient backend systems utilizing NoSQL and event-driven technologies within cloud-first architectures\n\ntake charge of in-depth investigations across backend systems and provide clear pathways to resolution\n\noptimize system performance to ensure reliability and availability\n\ndevelop real-time features using WebSockets\n\ncollaborate with cross-functional teams, including product management and QA, to deliver high-quality features and enhancements\n\nEssential knowledge, skills & experience:\nat least 5 years of experience in back-end development using Node.js\n\ndemonstrated proficiency in backend development, with expertise in creating self-documented APIs using NestJS with GraphQL or REST\n\nstrong understanding of event-driven architectures and NoSQL data storage\n\nstrong proficiency in TypeScript\n\nhands-on experience with AWS services, including ECS, DynamoDB, SQS, EventBridge, and PostgreSQL\n\nhands-on experience building real-time features using WebSockets\n\npractical experience with observability and monitoring tools, such as Sentry, DataDog, CloudWatch, and Amplitude\n\nexperience writing effective and reliable unit and integration tests\n\nexperience working in a mobile-first company, with an understanding of the product from an engineering perspective\n\nfull professional proficiency in English\n\nexperience working in a collaborative environment, as well as being adaptable to different approaches.\n\nNice-to-have\nexperience with Infrastructure as Code using Terraform\n\nexperience with specialized services such as Apollo, Firebase Authentication, Stream Chat, Cloudflare, and Snowflake\n\ninterest or experience in globally distributed systems and scalability\n\ninterest or experience with ML/AI recommendation engines\n\ntest-driven mindset with a focus on automation and efficiency\n\nfamiliarity with mobile development using React Native\n\nInterview Steps\nGT interview with Recruiter\n\nGT technical interview\n\nClient technical interview\n\nFinal interview\n\nReference check\n\nWe go beyond usual perks… By working with us, you will get\nHealth insurance.\n\nWellbeing coverage.\n\nSport coverage.\n\nLearning budget.\n\nPaid vacations.\n\nPaid sick leaves.\n\nAll public holidays are paid days off.\n\nGT working model\nYou 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.\nOur Extended Team model is focused on long-term projects that last over several years.","description_format":"text","description_chars":4449,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Health insurance"],"hiring_locations":[{"name":"Germany","iso":"DE","kind":"region"},{"name":"France","iso":"FR","kind":"region"},{"name":"United Kingdom","iso":"GB","kind":"region"},{"name":"Austria","iso":"AT","kind":"region"},{"name":"Belgium","iso":"BE","kind":"region"},{"name":"Bulgaria","iso":"BG","kind":"region"},{"name":"Croatia","iso":"HR","kind":"region"},{"name":"Czech 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