Full Time

Poland

Senior Backend Engineer (Poland)

Webshare is an affordable and powerful self-serve proxy infrastructure. Built for prosumers, solopreneurs, and growing businesses, it delivers enterprise-grade capabilities without the premium price tag or the sales calls.
That same principle shapes the team: lean, flat, and async by default, where clarity and follow-through matter more than hierarchy.

Webshare is an enterprise-grade proxy platform delivering fast, self-service access to over 80 million global IPs across 195 countries. Built for extreme reliability with 99.97% network uptime, it enables tens of thousands of businesses worldwide to run large-scale web scraping, market research, and automated data collection through dev-friendly APIs.

In this role, you’ll:

Build and maintain high-performance backend APIs that power Webshare’s proxy infrastructure.

Own the design and delivery of services that handle billions of requests daily.

Collaborate in a highly autonomous team to scope, plan, and execute work with minimal meetings.

Investigate and resolve production issues across distributed systems.

Balance speed and quality, by identifying which trade-off is better for a particular situation.

Operate and improve our containerized infrastructure.

Continuously improve system performance, observability, and cost-efficiency.

Your skills & experience:

Strong experience in at least one OOP language.

Ability to work with industry standard AI tools (LLMs), while balancing code quality and speed, but never compromising on reliability and architecture.

Ability to work in a programming language agnostic environment, you're eager to learn and excited to grow your backend engineering skills, including working with Python.

Comfortable working in an infrastructure heavy environment.

Proven experience designing and scaling APIs.

Familiarity with distributed systems and async architectures.

Willingness to understand deep networking concepts (BGP, CIDR, ASNs).

Fluent English (international team).

Can handle working with a remote team (we’re worldwide).

Nice to have:

Experience with Python.

Experience with very large datasets.

Experience with proxies or other networking-related technologies.

Experience with golang.

Salary & Benefits:

Gross salary: 24 000 - 33 400 PLN/month gross. Keep in mind that we are open to discussing a different salary based on your skills and experience.

Growth & Learning: 40+ internal learning options, external conferences, mentorship, and year-round knowledge-sharing.

Health & Well-being: Private health insurance.

Celebration & Community: Team events, an overseas workation and plenty of ways to mark milestones together.

Webshare is part of Source, a data ecosystem for a world built on intelligence. One of five independent technology companies connected by shared standards, expertise, and a belief in responsible access to web data.

Up for the challenge? Let’s talk!

Interested?

Let's get in touch!

Cyber City office perks
Hybrid work (3 office days / 2 WFH) & WFA options
Latest tools, gadgets & tech stack
Extra day off
Inclusive family-related time-off policy

Well-being

Private health insurance
24/7 gym
Physical well-being specialists
Psychologist/psychotherapist sessions
Inclusive family-related time-off policy

Learning Resources

Vast internal & external learning resources
Guilds, communities & 800+ professionals by your side
Source network & knowledge sharing

Celebration

Yearly workation
Year-round internal & Source community events
Team building budget

Source Ethos & Culture

We’re an ecosystem of ambitious companies, but what connects us goes beyond what we build.

Discover more about Webshare

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Benefits package

Comfort

Well-being

Learning Resources

Celebration

Source Ethos & Culture

Discover more about Webshare