Senior Software Engineer
This is the employer's own posting, not a copy on a job board.
What we know
Is it still open?
Confirmed still open
Last checked just now — checked against the employer's own applicant tracking system, which is the company answering directly.
We re-read the employer's own applicant tracking system and the posting was still there. That is the company answering directly.
How old is it?
Posted 104d ago
The date the source published, not the day we noticed it (2026-07-22). Last seen at its source 1h ago.
We have tracked this listing since 23 Oct 2026 (11 days). The employer's board dropped it once and re-listed it; it was last seen there 1 hour ago.
Is it remote?
Work from Home - Poland
That is the location the employer filed this posting under. Quoted as written — we do not re-word the source's own location.
Who may apply?
Poland
The description states no restriction of its own. This is the source's own tag.
Pay not stated
Similar roles pay PLN 302.4k–425k/yr
Middle 50% of 25 listings that do state pay — Engineering · Senior · Poland · PLN/year. This employer has published no salary; this is what comparable listings we hold disclose, never converted between currencies or periods. How this is calculated.
Skills named in the ad
Recognised terms only, from a fixed vocabulary — this is what CV matching compares against.
Carried by 1 source
-
Greenhouse employer's own board first seen 11d ago · last seen 1h ago
The listing
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). Our senior engineers play a key role in driving technical quality and platform evolution, working on a modern cloud-native stack across both greenfield and existing systems.
What You Will Do
- Design and develop highly concurrent, distributed backend services with a focus on high availability;
- Take solid ownership of architectural contributions, driving technical decisions within and across teams;
- Lead performance optimisation efforts and proactively diagnose complex system issues;
- Design, develop and test new features, setting a high bar for quality and reliability;
- Support the release and documentation of developed features;
- Define and champion coding standards and development processes;
- Mentor and support more junior engineers within the team;
- Provide out-of-hours support as part of an on-call rota.
What You Will Bring
Essential:
- Strong programming skills in Go (Golang);
- Proven experience developing and maintaining enterprise-grade systems at scale;
- Solid experience with highly concurrent, distributed architectures and systems;
- Solid experience contributing to and driving architectural decisions;
- Experience with containerised applications and cloud-native environments;
- Experience profiling and optimising performance at scale;
- Experience building REST/HTTP based services;
- Strong experience with relational and non-relational databases (e.g. PostgreSQL, Redis);
- Strong test suite design skills, including Unit, Integration and Smoke tests, enabling safe promotion of code to production without manual intervention;
- Excellent communication skills, with the ability to articulate complex technical problems and solutions clearly.
Nice to Have:
- Hands-on experience with AWS (SQS, SNS, DynamoDB), Kafka, Kubernetes or Terraform;
- Understanding of Continuous Delivery 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
#LI-YB1
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.
To learn how we process your personal data during the recruitment process, please refer to our Privacy Notice.
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.