Senior Backend Engineer - Omnichannel Integrations Team

Team Mission Omnichannel Integrations Team connects Text to the messaging platforms customers actually use to talk to businesses — Messenger, WhatsApp, Instagram, Telegram, Twilio, and more. We build native, first-class integrations inside Text: consistent conversation history, reliable message delivery, correct attachment handling, and predictable behavior across channels — even when each platform has its own quirks. We’re at an inflection point: we’re moving from externally-built connectors to building and owning key channels in-house, which means you’ll help set foundations and standards — not just maintain what exists.About the Role We’re looking for a Senior Backend Engineer (Go) to design, build, and scale the backend foundations for Omnichannel integrations at Text. In practice, you’ll build systems that translate third-party messaging platforms into a consistent internal model, keep data flowing reliably into the Inbox, and stay correct under real-world constraints. This is reliability-heavy integration work, not “API wiring.” External APIs evolve, webhooks can be flaky, and constraints like rate limits, ordering, retries, idempotency, and media limits are part of the job — and customers notice immediately when conversation breaks. High ownership: you’ll be joining early on the backend side of the team, with strong influence on architecture, patterns, and scaling strategy.What you’ll do • Build backend services for Omnichannel integrations and scale coverage across channels. • Design ingestion and sync flows that are resilient by default (deduplication, retries, idempotency, ordering guarantees). • Translate third-party concepts into Text’s internal domain model (messages, threads, participants, attachments, metadata). • Handle channel-specific constraints without breaking user experience (media size limits, API versioning, delivery semantics). • Improve operational reliability with strong observability (metrics, logs, tracing, alerting) and debuggable failure modes. • Collaborate closely with teams across Text to keep data flows consistent and trustworthy. • Shape architecture decisions: what becomes a reusable platform layer vs. channel-specific logic. Who you are • Ownership mindset: you treat the systems you own as products — and care about production outcomes. • Systems thinking: you reason in failure modes, trade-offs, and long-term maintainability. • Integration pragmatism: you can navigate messy external APIs and still build clean abstractions. • Reliability-first: you design for partial failure (timeouts, duplicates, out-of-order events) and predictable behavior. • Clear communication: you keep alignment and visibility as part of execution. You may be a great fit if you have • 6+ years of backend engineering experience in product-focused environments. • Strong production experience with Go (Golang). • Solid distributed systems fundamentals (consistency trade-offs, retries/idempotency, backpressure, event-driven patterns). • Experience integrating with third-party platforms and operating services in production. • Comfort with SQL (PostgreSQL) plus stores like Redis. • Experience with Pub/Sub or Kafka and async/event-driven architectures. • Familiarity with cloud infrastructure (GCP preferred) and modern delivery/ops practices (CI/CD + observability). Nice to have • Experience with messaging/social channels (Meta APIs, WhatsApp Business, Instagram, Telegram, Twilio, or other providers). • Experience in integration-heavy products where external change is frequent (versioning, deprecations, migrations). • Experience designing media/attachment handling at scale (limits, retention/lifecycle, storage costs, delivery reliability). • Exposure to enterprise SaaS constraints (security/compliance mindset). Why you’ll love working with us • Inflection-point ownership: you’ll shape foundations, patterns, and standards for Omnichannel. • High-impact channels: work on integrations customers care about most — high usage and business impact. • Real engineering challenges: reliability and correctness under external constraints. • Strong platform foundations: security/compliance/reliability baseline exists, so you can focus on evolution. • Cross-product impact: your work powers Inbox experience and downstream features relying on trustworthy conversation data. ⚡️ If you enjoy integration-heavy backend work, distributed-systems challenges, and building systems customers rely on daily — we’d love to meet you. The way we work We’re a hybrid team – remote when it makes sense, onsite when it matters most. Once per quarter, your whole team spends 5 working days together at our Wrocław office – a time for focused execution, unblocking work, and driving key outcomes. Our office is open year-round – drop by anytime. Contract: B2B (self-employed). You’ll need a registered business in selected EU countries — either already set up or possible to register in your country. Please apply only if this works for you.