CareerPlan

Staff Software Engineer

Budapest (Flexible), HURemoteFull-time2026-10-21 → 2026-11-09
Hybrid

Core

Lead the design, development, and operation of scalable, secure, and reliable digital messaging services within a cloud-based microservice architecture.

Role type

Staff Software Engineer (Backend/Infrastructure)

Builds

Highly available communication services for digital messaging channels (WhatsApp, Meta, X, SMS, etc.)

Domain

Enterprise SaaS / Customer Experience / Distributed Systems

Required skills

Java, distributed systems, microservices, REST APIs, automated testing, cloud infrastructure (AWS), system reliability, incident response, mentoring

Preferred skills

Digital messaging integrations, AWS services (DynamoDB, S3, SQS, SNS, Lambda, ECS), event-driven architectures, NoSQL, TypeScript, networking concepts (TCP/IP, DNS, load balancing), observability tools

Technologies

Java, AWS, DynamoDB, S3, SQS, SNS, Lambda, ECS, TypeScript, Git

Responsibilities

Lead architectural decisions for fault-tolerant messaging systems; design and implement features for message routing, delivery, and tracking; build integrations with third-party messaging platforms; drive improvements in system reliability and performance; mentor engineers and raise technical standards; participate in on-call rotation and incident response.

Seniority

Staff, hands-on technical leadership