Staff Software Engineer

Vonage; Polska; Hybrid; PLN 360,000 - 420,000; Full time

Benefits offered by this job

Medical Insurance

Life Insurance

Glasses Reimbursement

DTO

Care Line

Job summary

Vonage is seeking a Staff Engineer within the Foundation Engineering group to be a technical anchor, shaping the architecture of our cloud-native platform and mentoring engineers across teams. You will lead architectural decisions for scalability and reliability, drive performance improvements, collaborate with product and engineering leadership, and participate in on-call rotation as needed.

This role demands deep expertise in Go or JVM, strong leadership, and a passion for building

Qualifications

• Extensive programming experience in Go or JVM technologies with leadership mindset
• Experience leading architectural decisions across teams
• Mentoring engineers and growing engineering talent

Responsibilities

• Provide technical leadership and vision for highly concurrent, distributed backend systems
• Drive and own significant architectural decisions for scalability, reliability, and maintainability
• Lead performance optimisation initiatives and resolve complex system-level challenges
• Set coding standards and engineering best practices across the team
• Mentor and grow engineers at all levels
• Collaborate with product and engineering leadership to align technical strategy with business goals
• Provide on-call support as part of an on-call rota

Skills

Go (Golang)

Java/Spring Boot

Distributed systems

Architectural leadership

Team Lead / Tech Lead

Containerised apps

Cloud-native infrastructure

PostgreSQL/Redis

Tools

Kubernetes

Terraform

AWS

Docker

Kafka

PostgreSQL

Job description

Join Vonage and help us innovate cloud communications for businesses worldwide!

About Vonage

Vonage is the emerging leader in the $100B+ cloud communications platform (CPaaS) market. Customers like Airbnb, Viber, WhatsApp, Snapchat, and many others depend on our APIs and SDKs to connect with their customers all over the world. As businesses continue to shift to a real-time, customer-centric communications model, we are experiencing a time of impressive growth.

Why This Role Matters

The RNE (Registration, Numbers and Enablement) group within Vonage's Foundation Engineering department works across four core product domains: Registration, Numbers, Number Intelligence, and Know Your Customer (KYC). As a Staff Engineer, you will be a technical anchor for the team, shaping the architecture of our cloud-native platform and influencing engineering culture across the group.

What You Will Do

• Provide technical leadership and vision for the design and development of highly concurrent, distributed backend systems;
• Drive and own significant architectural decisions, ensuring scalability, reliability and maintainability across the platform;
• Lead performance optimisation initiatives and resolve the most complex system-level challenges;
• Set the standard for testing practices, including Unit, Integration and Smoke tests, enabling fully automated promotion of code to production;
• Define, evolve and enforce coding standards and engineering best practices across the team;
• Act as a technical mentor and leader, supporting the growth of engineers at all levels;
• Collaborate closely with product and engineering leadership to align technical strategy with business goals;
• Provide out-of-hours support as part of an on-call rota.

What You Will Bring

• Extensive programming experience in Go (Golang) or deep expertise in JVM technologies (Java/Spring Boot) with a strong commitment to adopting Go;
• Extensive, proven experience developing and maintaining enterprise-grade systems at scale;
• Deep expertise in highly concurrent, distributed architectures and systems;
• Extensive experience leading and owning architectural decisions at team and cross-team level;
• Prior experience as a Team Lead or Tech Lead, with a track record of mentoring and growing engineering talent;
• Experience with containerised applications and cloud-native infrastructure;
• Expert-level performance profiling and optimisation skills;
• Deep experience with relational and non-relational databases (e.g. PostgreSQL, Redis);
• Exceptional communication and influencing skills, with the ability to align technical and non-technical stakeholders.

Nice to Have:

• Deep hands-on experience with AWS (SQS, SNS, DynamoDB), Kafka, Kubernetes or Terraform;
• Experience driving Continuous Delivery practices in cloud environments;
• General understanding of the telecommunications industry.

How you’ll benefit:

• Medical Insurance (Allianz)
• Life Insurance (Uniqa)
• Glasses Reimbursement
• Discretionary Time Off (DTO)
• Ericsson Care Line

There’s no perfect candidate. You don't need all the preferred qualifications to make a valuable impact on our team. Our employees and customers come from diverse backgrounds, so if you're passionate about what you could achieve at Vonage, we'd love to hear from you.

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Who we are:

Vonage is a global cloud communications leader. And your talent will further help brands - such as Airbnb, Viber, WhatsApp, and Snapchat - accelerate their digital transformation through our fully programmable-based unified communications, contact center solutions, and communications APIs. Ready to innovate? Then join us today.

Note: The purpose of this profile is to provide a general summary of essential responsibilities for the position and is not meant as an exhaustive list. Assignments may differ for individuals within the same role based on business conditions, departmental need or geographic location.