Remote Backend Developer jobs open to Poland.

TypeScript

6 years of experience, High-scale cloud systems, RESTful API design, Go, TypeScript, DynamoDB, Building developer tools, Ownership of customer-facing products, Strong observability practices

TwilioTwilio is a San Francisco-based cloud communications B2B company providing programmable communication APIs for SMS, voice, email, and authentication, serving diverse industries globally.

AWS · Azure · GCP

8 years of experience, Workday Integrations, AI-driven HR solutions, Architectural-level understanding of Workday, Integrating AI tools, Agile team leadership, Building business cases for P&C technology, Custom Workday Extend applications, Integrating ATS platforms, Deploying AI agents in HR processes, Hyperscaler infrastructure (AWS, GCP, Azure)

ZscalerZscaler is a San Jose-based B2B cloud security company specializing in SaaS solutions for zero trust architecture and secure access service edge (SASE), serving enterprise customers globally.

Python · Kotlin · AWS

4 years of experience, Python, Kotlin, AWS, MySQL, Kubernetes, Distributed systems, Code quality, Technical planning, Team leadership

AffirmAffirm is a U.S.-based fintech company offering a buy now, pay later (BNPL) service that allows consumers to make purchases in installments, primarily targeting the retail sector with both B2C and B2B business models.

Python · AWS · Kubernetes

Bazel, Buildkite, Python, Go, Kubernetes, AWS, Terraform, Observability, Incident response

poolsidePoolside AI is a Paris-based B2B SaaS company specializing in enterprise AI solutions for software development, targeting businesses globally.

Kubernetes

Go, Kubernetes internals, Distributed systems, High-throughput data planes, Inference serving experience

poolsidePoolside AI is a Paris-based B2B SaaS company specializing in enterprise AI solutions for software development, targeting businesses globally.

Python · Kotlin · AWS

4 years of experience, Python, Kotlin, AWS, MySQL, Kubernetes, Distributed systems, Technical planning, Code quality, Mentorship, Cross-team collaboration

AffirmAffirm is a U.S.-based fintech company offering a buy now, pay later (BNPL) service that allows consumers to make purchases in installments, primarily targeting the retail sector with both B2C and B2B business models.

Python

3 years of experience, Python, Deep learning (Pytorch, Jax), Robotics expertise, Simulation frameworks, Reinforcement learning, Physics simulation, CUDA, ROS, Open-source project development

NVIDIANVIDIA Corporation is a Santa Clara-based technology company specializing in designing GPUs and AI solutions for gaming, professional visualization, and cloud services, operating in both B2B and B2C markets globally.

5 years of experience, Halo ITSM, Workflow automation, Enterprise systems integration, REST APIs, PowerShell, Incident Management, Service Catalog development, CMDB administration, Integration troubleshooting, ITIL principles

ArctiqArctiq is a Toronto-based B2B DevOps and cloud solution integrator specializing in professional IT services and managed services for enterprise organizations across North America.

Java

2 years of experience, Backend engineering, Distributed systems, Database technologies, Java, C++, Production-grade services, Observability tools, Data processing technologies, Knowledge graph experience, Streaming data systems, CI/CD pipelines

Wikimedia FoundationThe Wikimedia Foundation is a San Francisco-based nonprofit organization providing free, multilingual educational content through its wiki-based projects, including Wikipedia, targeting a global audience.

PHP · Docker

PHP (Symfony), Docker, MySQL, Unit and integration tests, OOP, RESTful APIs, Software architecture, Message queue management, Mentoring developers, Fluency in English

OxylabsOxylabs is a Lithuania-based B2B premium proxy service provider specializing in web scraping solutions and data gathering for enterprise clients across industries like e-commerce and cybersecurity.

JavaScript · Salesforce

3 years of experience, REST APIs, Salesforce integrations, Adobe Analytics integrations, Postman, Swagger, SSO, JavaScript comprehension, Cloud-based environment, Technical client support, Problem-solving in custom integrations

RainFocusRainFocus is a Lehi, Utah-based B2B SaaS platform specializing in event marketing and management, serving Fortune 500 companies with innovative solutions for in-person, virtual, and hybrid events.

Go · Kubernetes · Docker

6 years of experience, Golang, gRPC, REST, Microservices, Distributed systems, Docker, Kubernetes, PostgreSQL, Kafka, RabbitMQ, AI tools, English communication, Insurance experience, Fintech experience

ACCESAAccesa is a Cluj-Napoca-based technology company specializing in digital solutions for Retail, Manufacturing, Finance, and Banking, operating in a B2B model.

TypeScript · React · Node.js

Web3 integration, EVM & Solidity, ERC-20, ERC-721, ERC-1155, On-chain/off-chain sync, TypeScript, React, Node.js, Go, Distributed systems, PostgreSQL, Kubernetes, Kafka, Gaming industry experience

XsollaXsolla is a Los Angeles-based B2B fintech company specializing in payment software and commerce solutions for the global video game industry.

Rust

Rust, Real-time streaming systems, High-scale data storage and processing, Market data experience, Traditional finance background, AI tools proficiency, Strong communication skills

Douro LabsDouro Labs is a blockchain infrastructure company specializing in DeFi and Web3 technologies, headquartered in Porto, Portugal, with a global remote workforce, focusing on B2B services for the decentralized finance community.

TypeScript · React · Ruby

Event-driven infrastructure in GCP or AWS, Production applications with Ruby or Go, Full-stack development with TypeScript and React, Experience in a Growth team, Analytics platforms like Amplitude or Hex

AlgoliaAlgolia is a San Francisco-based B2B SaaS company specializing in AI-powered search and discovery solutions for enterprises and developers, serving a global market.

8 years of experience, Lakehouse Platform Expertise, Snowflake Platform Expertise, Data Platform Architecture, Governance and Trust, Analytics Engineering Foundations, Agentic Data Tools, Technical Leadership, Collaboration

AffirmAffirm is a U.S.-based fintech company offering a buy now, pay later (BNPL) service that allows consumers to make purchases in installments, primarily targeting the retail sector with both B2C and B2B business models.

8 years of experience, Lakehouse Platform Expertise, Snowflake Platform Expertise, Data Platform Architecture, Governance and Trust, Analytics Engineering Foundations, Agentic Data Tools, Technical Leadership, Collaboration, Programming Skills

AffirmAffirm is a U.S.-based fintech company offering a buy now, pay later (BNPL) service that allows consumers to make purchases in installments, primarily targeting the retail sector with both B2C and B2B business models.

Python · Kotlin · AWS

1.5 years of experience, Python, Kotlin, Distributed systems, AWS, MySQL, Kubernetes, ML infrastructure, Backend systems design

AffirmAffirm is a U.S.-based fintech company offering a buy now, pay later (BNPL) service that allows consumers to make purchases in installments, primarily targeting the retail sector with both B2C and B2B business models.

Python · Ruby

Ruby, Rails, AI integration, High availability systems, Large scale systems, Agentic systems, Asynchronous communication, Python

GitLabGitLab is a San Francisco-based DevOps platform offering B2B and B2C solutions for software development, security, and collaboration, with a global presence.

Rust

Broad Linux experience, Knowledge of open source development methodologies, Knowledge of ARM processors, Experience with system image creation tooling, Experience in troubleshooting Linux issues, Experience with software development for embedded Linux, Experience with modern CI tooling, Familiarity with Debian system creation, Experience with Rust, Experience with secure/trusted boot chains

CollaboraCollabora Ltd is a Cambridge-based B2B company specializing in open-source consultancy, training, and product development, particularly for the LibreOffice suite, with a global reach.

Python

2 years of experience, Python, OpenAI LLM APIs, Microservices architecture, Flask, Django, FastAPI, LLM technology stacks, AI Image Generation pipelines

Go, Data Insights Platform, gRPC, ClickHouse, High-throughput systems, Distributed systems debugging, Infrastructure reliability, Asynchronous communication, AI integration

GitLabGitLab is a San Francisco-based DevOps platform offering B2B and B2C solutions for software development, security, and collaboration, with a global presence.

Go · Kubernetes

Golang, Kubernetes, ClickHouse, NATS, Data collection platform, System reliability, Data quality, Cloud native technologies, Open source development

GitLabGitLab is a San Francisco-based DevOps platform offering B2B and B2C solutions for software development, security, and collaboration, with a global presence.

7 years of experience, C++17, Cross-platform development, Complex graph-based structures, Spatial algorithms, Navigation concepts, AI integration in engineering workflows

MapboxMapbox is a San Francisco-based B2B location data platform offering customizable mapping and navigation services through APIs and SDKs for developers globally.

Python · SQL · Docker

Cloud analytical data platform (Snowflake, Databricks, BigQuery), Containerized applications (Docker, CI/CD), Internal platforms and developer tooling, Integrations (REST APIs, OAuth/OIDC), Python, SQL, Operational ownership, Semantic layer design, AI-native data tooling

AffirmAffirm is a U.S.-based fintech company offering a buy now, pay later (BNPL) service that allows consumers to make purchases in installments, primarily targeting the retail sector with both B2C and B2B business models.

Python · SQL · Docker

Cloud analytical data platform (Snowflake, Databricks, BigQuery), Containerized applications (Docker, CI/CD), Internal platforms and developer tooling, Integrations (REST APIs, OAuth/OIDC), Python and SQL proficiency, Operational ownership and incident management, Semantic layer design and AI-native data tools, Strong communication and collaboration

AffirmAffirm is a U.S.-based fintech company offering a buy now, pay later (BNPL) service that allows consumers to make purchases in installments, primarily targeting the retail sector with both B2C and B2B business models.

AWS · GCP

10 years of experience, Distributed systems, Go, Scalable backend architecture, Reliability and fault tolerance, Cloud-native environments (AWS, GCP), Databases (MySQL, Postgres, DynamoDB), Event-driven systems, Performance optimization

Customer.ioCustomer.io is a Canada-based B2B SaaS platform specializing in customer engagement and marketing automation, designed for early and mid-stage companies.

3 years of experience, .NET (C#), Scaling consumer-facing products, AI-powered development tools, Collaborative problem-solver, Inclusion and continuous learning

Python · AWS

8 years of experience, LLM experience, AWS, Serverless technologies, Python, System design, Relational databases, Document processing, Experimentation, Proactive communication

KalepaKalepa is a New York-based B2B AI software company revolutionizing the commercial insurance industry with its Copilot underwriting platform, serving insurers globally.

GraphQL · Ruby

Ruby on Rails, AI tooling, GraphQL, REST APIs, PostgreSQL, Async collaboration, Technical documentation

GitLabGitLab is a San Francisco-based DevOps platform offering B2B and B2C solutions for software development, security, and collaboration, with a global presence.