Staff Software Engineer

Vonage; Wrocław; On-site; PLN 300,000 - 520,000; Full time

Benefits offered by this job

Medical Insurance (Allianz)

Life Insurance (Uniqa)

Glasses Reimbursement

Cafeteria (My Benefit)

Discretionary Time Off

Volunteer Time Off

Ericsson Care Line

Job summary

Vonage is seeking a Staff Engineer to anchor the RNE group within Foundation Engineering. You will shape architecture for a cloud-native platform, lead cross-team architectural decisions, and mentor engineers while aligning technical strategy with business goals.

Expect on-call duties and a strong emphasis on performance and reliability. You will drive testing standards, support containerised deployments, and collaborate with leadership to deliver scalable, enterprise-grade systems across our

Qualifications

• Extensive programming experience in Go (Golang) or JVM (Java/Spring Boot) with strong Go adoption.
• Extensive experience building enterprise-grade, scalable systems.
• Deep expertise in highly concurrent, distributed architectures.
• Leadership experience as Team Lead/Tech Lead with mentorship track record.
• Experience with containerised apps and cloud-native infra.
• Strong performance profiling and optimisation skills.
• Experience with relational (PostgreSQL) and non-relational (Redis) databases.

Responsibilities

• Provide technical leadership and vision for design and development of highly concurrent, distributed backend systems.
• Drive architectural decisions for scalability, reliability, and maintainability across the platform.
• Lead performance optimisation initiatives and resolve complex system-level challenges.
• Set standards for testing practices and automate code promotion to production.
• Define and enforce coding standards and engineering best practices.
• Mentor engineers and support growth at all levels.
• Collaborate with product and engineering leadership to align technical strategy with business goals.
• Provide on-call support as part of the rota.

Skills

Go (Golang)

Java/Spring Boot

Distributed systems design

Team Lead / Tech Lead

Cloud-native infrastructure

Performance profiling

Relational databases PostgreSQL

NoSQL Redis

Communication & influence

Tools

Kubernetes

Terraform

AWS

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

Essential:

• 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
• Kafeteria (My Benefit)
• Discretionary Time Off (DTO)
• Volunteer Time (VTO)
• 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.