Source

Global data ecosystem linking intelligence providers

Senior Backend Engineer

Backend EngineeringUpdated on Nov 7

Full-timeRemote in PolandRemote

About the Job

Requirements

Strong experience in at least one object-oriented programming language.
Ability to work with industry-standard artificial intelligence tools, including large language models, while balancing code quality and speed without compromising reliability or architecture.
Ability to work in a programming-language-agnostic environment and eagerness to learn and develop backend engineering skills, including Python.
Comfort working in an infrastructure-heavy environment.
Proven experience designing and scaling application programming interfaces.
Familiarity with distributed systems and asynchronous architectures.
Willingness to understand deep networking concepts, including Border Gateway Protocol, Classless Inter-Domain Routing, and autonomous system numbers.
Fluency in English.
Ability to work with a remote team.

Responsibilities

Build and maintain high-performance backend application programming interfaces that power the proxy infrastructure.
Own the design and delivery of services handling billions of requests daily.
Collaborate in an autonomous team to scope, plan, and execute work with minimal meetings.
Investigate and resolve production issues across distributed systems.
Balance speed and quality by determining the appropriate trade-off for each situation.
Operate and improve containerized infrastructure.
Continuously improve system performance, observability, and cost-efficiency.

Desired Qualifications

Experience with Python.
Experience with very large datasets.
Experience with proxies or other networking-related technologies.
Experience with Go.

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 + quarterly KPI-based performance bonus. 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 a growing network of independent technology companies connected by shared standards, expertise, and a belief in responsible access to web data.

Up for the challenge? Let’s talk!

About the Company

Source

Global data ecosystem linking intelligence providers

The company operates as a data ecosystem that connects several independent tech firms—Oxylabs, Decodo, Webshare, ScrapingBee, Honeygain, and upcoming ventures—under shared standards, strategic support, and a commitment to responsible access to data. Each member company runs its own team and product, but they collaborate through common intelligence and scale to serve a wider market. Their approach is to provide a networked set of data tools and services that collectively enable customers to access and use data more efficiently. The goal is to empower the next generation of data-powered products and decisions by offering interoperable capabilities and scalable data access while maintaining clear accountability for data use.

Company size: 501-1,000
Company stage: Not listed
Total funding: Not listed
Headquarters: Boston, MA
Founded: 2012

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