Staff Software Engineer (IoT)

TL;DR

Staff Software Engineer (TypeScript/Node): Leading the modernisation of a mature billing platform into focused domain services using a strangler-fig approach, with an accent on distributed data processing, event-driven workflows, financial correctness, and operational reliability at scale. Focus on defining technical vision, engineering standards, architecture design, and SLO-driven operations for high-volume billing pipelines.

Location: Based in Poland (hybrid, to support squad collocation)

Company

Market-leading IoT connectivity provider managing 10M+ subscriptions across 165 countries with partnerships to 750+ networks worldwide.

What you will do

• Set and communicate technical vision for squad services, translating into actionable work aligned with product goals.
• Lead incremental decomposition of legacy platform into TypeScript/Node domain services using strangler-fig pattern.
• Define and enforce engineering standards for code quality, testing, observability, and operational readiness.
• Own complex technical decisions, architecture for distributed billing workflows, and SLI/SLO implementation.
• Guide CI/CD practices, code reviews, and mentor engineers on modern practices including AI-assisted development.
• Partner with Product and Delivery to shape roadmaps and represent squad in technical forums.

Requirements

• Proven experience leading technical direction of a squad or product area beyond individual contribution.
• Deep backend expertise in modern strongly-typed stack like Node.js/NestJS/TypeScript or PHP 8.x/Symfony.
• Experience modernising legacy systems into services with strangler-fig, anti-corruption layers, and incremental strategies.
• Strong background in distributed systems, event-driven processing (RabbitMQ, Kafka, SQS), and data-intensive services.
• PostgreSQL proficiency (query design, performance); CI/CD ownership (GitLab), observability (Grafana), and engineering standards.
• Strong communication, stakeholder skills, mentoring experience, and sensible use of AI-assisted development tools.

Nice to have

• Experience with PHP to TypeScript/Node transitions and TypeScript architecture.
• Background in billing/financial domains, AWS platforms, or evolving teams to Product Operating Model.
• Exposure to LLMs or ML in production.

Culture & Benefits

• Hybrid working approach balancing office collaboration and home flexibility.
• Creative, entrepreneurial environment celebrating bold ideas and innovation.
• Full training, ongoing support, tools for growth, and focus on employee value and inclusion.

Hiring process

• Tele interview with people team.
• Online technical task.
• Behavioural interview with hiring manager and Delivery Manager.
• Technical interview with Engineering Manager and peer Tech Lead.
• Leadership interview.