Senior Privacy Engineer

🏢 Summary: Senior Backend Engineer role focused on building secure, scalable backend services in Python and Node.js for advanced cybersecurity platforms. The position involves architecting and operating cloud-native solutions on GCP, optimizing databases, and implementing secure authentication flows. You will drive automation, reliability, and best practices in a hybrid Krakow-based environment. 🗂️ Requirements: Minimum 6 years backend development experience, Expertise in Python, Expertise in Django, Expertise in Node.js, Expertise in TypeScript, Experience with NestJS, Hands-on experience with GCP services, Experience with GKE, Experience with Cloud Run, Experience with Pub/Sub, Experience with Terraform, Strong knowledge of security principles, Experience implementing OAuth2, Experience implementing OpenID Connect, Experience with PostgreSQL, Ability to design scalable backend systems, Fluent English, Legal right to work in the EU 📃 Skills: Python, Django, Node.js, TypeScript, NestJS, GCP, GKE, CloudRun, PubSub, PostgreSQL, Terraform, OAuth2, OpenIDConnect, Go, Rust, Filestore 🏢 Description: Unleash innovation in security — shape the future of cyber defense! Krakow-based opportunity with hybrid work model As a Senior Python & Node.js Backend Engineer , you will be working for our client, a leading player in the cybersecurity industry, dedicated to building cutting-edge security platforms that protect organizations worldwide. You will contribute to developing innovative solutions that enhance digital safety, automation, and reliability—driving the next generation of security technology. Your main responsibilities: Hands-on development of high-quality, production-grade backend services in Python (Django) and Node.js (TypeScript/NestJS). Architect scalable, secure solutions on Google Cloud Platform (GKE, Cloud Run, Pub/Sub) and optimize PostgreSQL database performance. Lead the lifecycle management of cloud-native services, ensuring resilience, observability, and cost-efficiency. Design and implement OAuth2/OpenID Connect flows within GCP environments. Translate business opportunities into effective technical solutions. Develop automation to improve deployment, monitoring, and maintenance processes. Mentor team members and promote engineering best practices. Stay updated with the latest industry trends and share knowledge across teams. You're ideal for this role if you have: At least 6 years of experience in backend development or related fields. Deep expertise in Python (Django) and Node.js (TypeScript/NestJS). Hands-on experience with GCP services (Cloud Run, GKE, Filestore) and Infrastructure as Code (Terraform). Strong understanding of security principles, including zero trust models. Ability to build scalable, high-performance backend services, including some experience with Go or similar languages. A full-stack understanding with a focus on backend systems. Proven track record of creating secure, reliable, and efficient backend solutions. Demonstrated mastery in your technical discipline and a passion for engineering excellence. It is a strong plus if you have: Experience with Go, Rust, or other emerging languages. The ability to identify problems or opportunities and engineer effective solutions. Respected for your craftsmanship, not just your ideas. A holistic view to complex problem solving. Language Required for the role: Fluent English (written and spoken) Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior Python Engineer role focused on designing and building scalable backend systems and AI-integrated applications for finance and telecom projects. The position involves leading architecture decisions, integrating AI tools across the SDLC, and collaborating directly with clients. It requires strong backend expertise, experience with AI agents and LLM integrations, and ownership of high-quality production systems. 🗂️ Requirements: 6+ years professional Python development experience, Commercial experience with AI tools and agent/LLM integrations, Strong expertise in Python 3.9+ and large-scale applications, Experience with REST or GraphQL API development, Experience with automated testing: unit, integration, E2E, Experience with FastAPI, Django REST Framework, or Flask, Proficiency with PostgreSQL and ORM tools, Understanding of clean architecture, DDD, CQRS, event-driven systems, Experience with CI/CD pipelines and Docker, Hands-on experience with AI coding assistants, Strong prompt engineering skills, Experience with AWS services, Ability to work independently and communicate with clients in English 📃 Skills: Python, Django, FastAPI, Flask, PostgreSQL, SQLAlchemy, DjangoORM, REST, GraphQL, NumPy, Pandas, Pydantic, pytest, Docker, GitLabCI, GitHubActions, AWS, S3, RDS, Kubernetes, SQS, RabbitMQ, Celery, Kafka, Redis, MongoDB, MySQL, LangChain, LlamaIndex, Anthropic, OpenAI, Claude, Cursor, Copilot, Git, React, TypeScript 🏢 Description: Description Godel is on the lookout for talented Senior Python Engineers to join one of our teams engaged in the development of business applications for major British companies. We always have new and exciting projects with opportunities to improve your skills in a wide spectrum of technologies. If you are an enthusiastic and ambitious Python Engineer, this job is for you! 02 Responsibilities Design, develop, and maintain scalable finance-focused backend solutions using Python Integrate external systems and third-party APIs Work closely with Product Managers and Tech Leads to define, size, and solve real-world telecom customer problems Write high-quality, well-tested code ensuring reliable daily deployments to production Participate in peer reviews, refinements, and continuous feedback loops across a multi-disciplinary team Maintain a developer-first quality culture: own unit, integration, and functional testing Be part of a weekly engineering goal-setting process (lean Kanban-style working) Apply AI tools throughout the entire development lifecycle: code generation, refactoring, automated review, test creation, debugging, and technical research Architect and design Python-based systems: API services, data pipelines, async workers, and AI-integrated backends — with AI assistance as a core part of the process Conduct thorough code reviews, uphold engineering best practices, and ensure high-quality, maintainable Python codebases across the team Contribute to technology selection, system design, and trade-off analysis across client projects Identify risks, bottlenecks, and security concerns proactively; propose and implement solutions Work directly with clients in English for requirements clarification, technical discussions, and progress updates Mentor junior and mid-level Python engineers through day-to-day guidance, pair sessions, and knowledge sharing Stay current with advancements in Python tooling, AI coding assistants, and LLM-integration patterns 03 Requirements Must have: 6+ years of professional Python development experience after graduation from university At least 0.5 years of commercial experience in AI tools on real projects – building/implementing agents/sub-agents, MCP integrations, skills crafting, or Spec driven integration into clients projects, or building SDLC with help of agents, or RAG chatbots Strong Python engineering skills (3.9+), large-scale applications (not just small web apps): async/await, dataclasses, Pydantic, NumPy, Pandas, etc Good understanding of integration patterns, API development (REST / GraphQL), and third-party system interoperability Solid experience in building automated tests: unit, integration, and E2E tests Readiness to start a new project as a solo engineer and drive communication with the client. In addition, manage extension of a new team if needed Experience with at least one major web/API framework: FastAPI, Django REST Framework, or Flask Proficiency with relational databases (PostgreSQL) and ORMs (SQLAlchemy, Django ORM) Solid understanding of software architecture patterns: clean architecture, domain-driven design, CQRS, event-driven systems Familiarity with CI/CD pipelines (GitLab CI, GitHub Actions) and containerization (Docker, Docker Compose) A demonstrable, personalized AI development workflow with custom skills, prompt templates, and project-level instructions — not just default out-of-the-box usage Hands-on experience with AI coding assistants: Claude Code, Cursor, GitHub Copilot, or similar Strong prompt engineering skills: ability to produce reliable, structured output and critically evaluate AI-generated code Critical mindset toward AI-generated output: knowing when to trust it, when to verify it, and when to rewrite it Passion for clean code, peer reviews, and high code quality standards Familiarity with scaling large systems — vertical scaling, single-tenant deployments Self-driven, comfortable with autonomy and open team cultures (trust > process) Experience working with or around AWS services (e.g., RDS, S3, Kubernetes, SQS, RabbitMQ) Readiness to work with Windows (WSL) Nice to have: Frontend experience (React) Familiarity with Celery, RabbitMQ, or Kafka for async task processing Contributions to open-source Python or AI projects Experience with RAG (Retrieval-Augmented Generation) pipelines and vector databases (Qdrant, Chroma, pgvector) Knowledge of LangGraph, AutoGen, or other agent orchestration frameworks Ability to create custom sub-agents and orchestrate multiple AI agents in parallel for concurrent task execution Experience integrating LLMs into Python applications via the Anthropic SDK, OpenAI SDK, or LangChain/LlamaIndex Exposure to ML/AI model lifecycle: fine-tuning, embedding generation, model evaluation 04 Tech Stack Language: Python 3.9+, JS (Typescript, React) nice to have Web / API: FastAPI, Django REST Framework, Flask, etc Databases: PostgreSQL, Redis, MongoDb, MySQL Task queues: Celery, RabbitMQ, Kafka AI/LLM: Anthropic Claude, OpenAI, LangChain, LlamaIndex, BMAD, SpecKit, OpenSpec Testing: pytest Infrastructure: Docker, GitLab CI/CD, AWS / GCP AI tooling: Claude Code, Cursor, GitHub Copilot Version control: Git (GitLab)

🏢 Summary: Senior Python Engineer role focused on designing and delivering scalable, finance-oriented backend systems and AI-integrated solutions for telecom and enterprise clients. The position involves architecting APIs, data pipelines, and async services while leveraging AI tools throughout the SDLC. Engineers drive technical decisions, ensure high code quality, and collaborate directly with clients. 🗂️ Requirements: 6+ years professional Python development experience, Commercial experience with AI tools in real projects (agents, RAG, integrations), Strong Python 3.9+ knowledge including async/await and typing, Experience building large-scale backend applications, Experience with FastAPI, Django REST Framework, or Flask, Experience with REST or GraphQL API development, Experience integrating third-party systems and APIs, Experience with PostgreSQL and ORM tools, Knowledge of clean architecture, DDD, CQRS, event-driven systems, Experience writing unit, integration, and E2E tests, Experience with CI/CD pipelines, Experience with Docker and containerization, Hands-on experience with AI coding assistants, Strong prompt engineering skills, Experience with AWS services, Ability to work independently and communicate with clients in English 📃 Skills: Python, Django, FastAPI, Flask, REST, GraphQL, PostgreSQL, SQLAlchemy, DjangoORM, Redis, MongoDB, MySQL, Celery, RabbitMQ, Kafka, Docker, GitLabCI, GitHubActions, AWS, GCP, Pytest, NumPy, Pandas, Pydantic, Claude, OpenAI, LangChain, LlamaIndex, AnthropicSDK, OpenAISDK, Kubernetes, SQS, Git 🏢 Description: Description Godel is on the lookout for talented Senior Python Engineers to join one of our teams engaged in the development of business applications for major British companies. We always have new and exciting projects with opportunities to improve your skills in a wide spectrum of technologies. If you are an enthusiastic and ambitious Python Engineer, this job is for you! 02 Responsibilities Design, develop, and maintain scalable finance-focused backend solutions using Python Integrate external systems and third-party APIs Work closely with Product Managers and Tech Leads to define, size, and solve real-world telecom customer problems Write high-quality, well-tested code ensuring reliable daily deployments to production Participate in peer reviews, refinements, and continuous feedback loops across a multi-disciplinary team Maintain a developer-first quality culture: own unit, integration, and functional testing Be part of a weekly engineering goal-setting process (lean Kanban-style working) Apply AI tools throughout the entire development lifecycle: code generation, refactoring, automated review, test creation, debugging, and technical research Architect and design Python-based systems: API services, data pipelines, async workers, and AI-integrated backends — with AI assistance as a core part of the process Conduct thorough code reviews, uphold engineering best practices, and ensure high-quality, maintainable Python codebases across the team Contribute to technology selection, system design, and trade-off analysis across client projects Identify risks, bottlenecks, and security concerns proactively; propose and implement solutions Work directly with clients in English for requirements clarification, technical discussions, and progress updates Mentor junior and mid-level Python engineers through day-to-day guidance, pair sessions, and knowledge sharing Stay current with advancements in Python tooling, AI coding assistants, and LLM-integration patterns 03 Requirements Must have: 6+ years of professional Python development experience after graduation from university At least 0.5 years of commercial experience in AI tools on real projects – building/implementing agents/sub-agents, MCP integrations, skills crafting, or Spec driven integration into clients projects, or building SDLC with help of agents, or RAG chatbots Strong Python engineering skills (3.9+), large-scale applications (not just small web apps): async/await, dataclasses, Pydantic, NumPy, Pandas, etc Good understanding of integration patterns, API development (REST / GraphQL), and third-party system interoperability Solid experience in building automated tests: unit, integration, and E2E tests Readiness to start a new project as a solo engineer and drive communication with the client. In addition, manage extension of a new team if needed Experience with at least one major web/API framework: FastAPI, Django REST Framework, or Flask Proficiency with relational databases (PostgreSQL) and ORMs (SQLAlchemy, Django ORM) Solid understanding of software architecture patterns: clean architecture, domain-driven design, CQRS, event-driven systems Familiarity with CI/CD pipelines (GitLab CI, GitHub Actions) and containerization (Docker, Docker Compose) A demonstrable, personalized AI development workflow with custom skills, prompt templates, and project-level instructions — not just default out-of-the-box usage Hands-on experience with AI coding assistants: Claude Code, Cursor, GitHub Copilot, or similar Strong prompt engineering skills: ability to produce reliable, structured output and critically evaluate AI-generated code Critical mindset toward AI-generated output: knowing when to trust it, when to verify it, and when to rewrite it Passion for clean code, peer reviews, and high code quality standards Familiarity with scaling large systems — vertical scaling, single-tenant deployments Self-driven, comfortable with autonomy and open team cultures (trust > process) Experience working with or around AWS services (e.g., RDS, S3, Kubernetes, SQS, RabbitMQ) Readiness to work with Windows (WSL) Nice to have: Frontend experience (React) Familiarity with Celery, RabbitMQ, or Kafka for async task processing Contributions to open-source Python or AI projects Experience with RAG (Retrieval-Augmented Generation) pipelines and vector databases (Qdrant, Chroma, pgvector) Knowledge of LangGraph, AutoGen, or other agent orchestration frameworks Ability to create custom sub-agents and orchestrate multiple AI agents in parallel for concurrent task execution Experience integrating LLMs into Python applications via the Anthropic SDK, OpenAI SDK, or LangChain/LlamaIndex Exposure to ML/AI model lifecycle: fine-tuning, embedding generation, model evaluation 04 Tech Stack Language: Python 3.9+, JS (Typescript, React) nice to have Web / API: FastAPI, Django REST Framework, Flask, etc Databases: PostgreSQL, Redis, MongoDb, MySQL Task queues: Celery, RabbitMQ, Kafka AI/LLM: Anthropic Claude, OpenAI, LangChain, LlamaIndex, BMAD, SpecKit, OpenSpec Testing: pytest Infrastructure: Docker, GitLab CI/CD, AWS / GCP AI tooling: Claude Code, Cursor, GitHub Copilot Version control: Git (GitLab)

🏢 Summary: Senior Python Backend Engineer role focused on building scalable backend services and APIs to power AI-driven investment research platforms for hedge fund clients. The position involves integrating AI/LLM capabilities, ensuring high reliability, compliance, and secure data delivery in production environments. Fully remote within the EU. 🗂️ Requirements: 6+ years professional Python development in production environments, Strong knowledge of REST API design, Strong understanding of backend architecture patterns, Experience delivering production-ready code, Experience troubleshooting live, customer-facing systems, Fluent English, Legal right to work in Europe 📃 Skills: Python, REST, API, AI, LLM, OpenAI, Anthropic, LangChain, Java, Go, Azure, SEC 🏢 Description: Empower the Future of Investment Research — Lead Innovation with Cutting-Edge AI and Backend Solutions! Remote (EU-based) opportunity with full remote work flexibility As a Senior Python Backend Engineer at our client, you will be working for an industry leader revolutionizing investment research through advanced AI-driven infrastructure. You will contribute to building scalable, reliable platform services that support complex AI workflows, expert network management, and data delivery—serving demanding hedge fund clients with strict compliance needs. This role offers a dynamic environment for growth and impactful technological innovation. Your main responsibilities: Design, develop, and maintain robust backend services and APIs in Python to support AI and data pipelines Collaborate with AI/ML teams to integrate language model capabilities into production systems Write well-structured, maintainable, and tested code with a focus on correctness and reliability Troubleshoot and resolve issues impacting live, customer-facing products Contribute to system architecture decisions and participate in code reviews Ensure compliance with SEC regulations and data security standards You're ideal for this role if you have: At least 6 years of professional experience in Python development in production environments Strong knowledge of REST API design and backend architecture patterns Proven experience delivering high-quality, production-ready code Ability to thrive in fast-paced, high-impact settings with live user products It is a strong plus if you have: (optional) Hands-on experience with AI/LLM integrations (OpenAI, Anthropic, LangChain, or similar) Background in statically typed languages such as Java or Go, enhancing AI prompting and system design skills Familiarity with prompt engineering and handling structured LLM outputs Experience working with cloud infrastructure, preferably Azure Language Required for the role: Fluent English Eligibility for the role: Only candidates with an existing legal right to work in Europe will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Entry-level Backend Engineer role focused on supporting the development of backend services and REST APIs under senior guidance. The position involves contributing to production systems, writing tested and maintainable code, and collaborating within a cross-functional engineering team. Ideal for candidates with foundational Java experience seeking hands-on experience in scalable and secure systems. 🗂️ Requirements: Bachelor's degree in Computer Science or related field (or currently pursuing), Minimum 0.5 years of Java experience, Practical experience with RESTful APIs, Ability to work with HTTP methods, status codes, and JSON, Experience writing SQL queries (SELECT, JOIN, WHERE, GROUP BY) or using ORM, Basic understanding of SQL and NoSQL differences, Knowledge of data structures and algorithms, Ability to use Git in a team environment (branching, pull requests, merge conflicts), Experience writing unit tests, Experience contributing code to production through review and deployment process 📃 Skills: Java, REST, HTTP, JSON, SQL, NoSQL, ORM, Git, JUnit, Pytest, Jest, CI, Algorithms, DataStructures, APIs, Testing 🏢 Description: (5190) About This Role You will be a part of the Engineering team and reports to our Manager, Engineering. You will support the development of backend services and APIs that power customer’s products. Working under close guidance from experienced engineers, you will gain hands-on experience contributing to real-world systems while learning best practices in software development, scalability, and security. Key Responsibilities Support the development of backend services and APIs under direct supervision of senior engineers Assist with writing clean, maintainable, and well-documented code following team standards Help debug, test, and troubleshoot backend systems and services Contribute to small tasks or components within larger projects Collaborate with cross-functional teams including Frontend, Product, and DevOps Participate in code reviews and apply feedback to improve technical skills Assist in writing unit tests and validating functionality Document technical processes and development work Required Qualifications Bachelor's degree in Computer Science or a related field; Currently pursuing is also an option Strong theoretical knowledge of Java, at least 0.5 years of experience Practical experience building and consuming RESTful APIs — HTTP methods, status codes, JSON, request/response handling, basic error handling. Working knowledge of databases — has written real SQL queries (SELECT, JOIN, WHERE, GROUP BY) or used an ORM in production code; understands the difference between SQL and NoSQL at a basic level. Solid understanding of data structures and algorithms — arrays, hash maps, trees, basic Big-O analysis — sufficient to discuss simple coding problems and reason about correctness. Comfortable with Git in a team setting — branching, pull requests, code review, addressing feedback, resolving merge conflicts; has worked in a shared repository with at least one other developer. Hands-on experience writing unit tests for their own code (pytest, JUnit, Jest, or equivalent), and basic familiarity with how testing fits into a CI pipeline. Demonstrated ability to ship code to production — even small features or bug fixes — through a real review and deployment process; ability to clearly describe what they built, how it was reviewed, and how it was tested. Genuine interest in cryptocurrency, blockchain, or Web3 (self-taught is fine — owning crypto, reading, side projects, hackathons) and willingness to learn the regulated FinTech context; English level: Upper-intermediate or higher, sufficient for daily team communication and code review discussions. Bonus: exposure to Linux / command line, Docker basics, message queues (Kafka, RabbitMQ), cloud platforms (AWS, GCP), open-source contributions, hackathon participation, or an active public GitHub portfolio.

🏢 Summary: Senior Software Engineer role focused on developing a global passwordless authentication platform in the identity & security domain. The position involves backend and microservices development, designing scalable systems, and contributing to architecture decisions in an international environment. The offer includes hybrid work, flexible employment options, and influence on globally used security products. 🗂️ Requirements: Minimum 5 years of commercial experience as Fullstack or Backend Developer, Practical experience with Node.js, Very good knowledge of JavaScript, Very good knowledge of TypeScript, Very good knowledge of React, Experience with microservices architecture, Experience with AI tools in daily development work, Experience with SQL and/or NoSQL databases, Knowledge of HTTP and REST API, Knowledge of application testing, English proficiency minimum B2+, Polish proficiency minimum C1 📃 Skills: Node.js, NestJS, JavaScript, TypeScript, React, SQL, NoSQL, HTTP, REST, Claude, Cursor, Juni, OpenID, OAuth, SAML, AWS, GCP, CI/CD 🏢 Description: Pracuj nad rozwiązaniami, które zabezpieczają cyfrową tożsamość milionów użytkowników na całym świecie. Dla międzynarodowej firmy z branży usług informatycznych poszukiwany jest Senior Software Engineer do organizacji budującej nowoczesną platformę passwordless authentication, wykorzystywaną na szeroką skalę. Dołączysz do jednego z kilku zespołów odpowiedzialnych za rozwój kluczowych obszarów identity & security, takich jak uwierzytelnianie użytkowników, wykrywanie nadużyć, weryfikacja tożsamości czy orkiestracja procesów bezpieczeństwa. Nie jest to rola utrzymaniowa – zespoły aktywnie rozwijają produkty, tworzą nowe funkcjonalności i pracują nad rozwiązaniami wykorzystywanymi w skali globalnej. Będziesz mieć realny wpływ na decyzje techniczne i architekturę rozwijanych systemów. Lokalizacja: Gdańsk Model pracy: Hybryda (częstotliwość pracy w biurze do ustalenia) Forma zatrudnienia: B2B lub umowa o pracę Wynagrodzenie: - B2B: 170 - 190 PLN/h + VAT - UoP: 20.500 - 23.200 PLN brutto Zakres obowiązków: - rozwój i współtworzenie systemów w architekturze mikroserwisowej, - rozwój backendu - szukamy aktualnie osób specjalizujących się głównie w tym obszarze, - projektowanie i implementacja nowych funkcjonalności w obszarze identity & security, - udział w projektowaniu architektury systemu oraz podejmowaniu decyzji technicznych, - praca nad skalowalnością, wydajnością oraz niezawodnością systemu, - integracja pomiędzy różnymi komponentami platformy (m.in. authentication, risk, identity flows), - świadome wykorzystywanie narzędzi AI w codziennej pracy, - udział w code review, dbanie o jakość kodu oraz standardy wytwarzania oprogramowania, - praca w środowisku międzynarodowym (język angielski na co dzień). Oczekiwania: - min. 5 lat doświadczenia komercyjnego jako Fullstack / Backend Developer, - praktyczne doświadczenie z Node.js (mile widziany NestJS), - bardzo dobra znajomość JavaScript, TypeScript, React, - doświadczenie w pracy z architekturą mikroserwisową, - praktyczne doświadczenie w pracy z narzędziami AI (np. Claude, Cursor, Juni lub podobne), - umiejętność świadomego wykorzystywania AI w codziennej pracy, - doświadczenie z bazami danych (SQL i/lub NoSQL), - znajomość HTTP, REST API oraz nowoczesnych wzorców komunikacji, - wiedza z obszaru testowania aplikacji (frontend i/lub backend), - rozumienie działania implementowanych rozwiązań oraz ich konsekwencji architektonicznych, - bardzo dobra znajomość języka angielskiego (min. B2+), - płynna znajomość języka polskiego (min. C1), - umiejętność samodzielnej pracy i branie odpowiedzialności za tworzony produkt, - nastawienie na bycie częścią zespołu i otwartość na feedback. Mile widziane: - doświadczenie w obszarze security / identity, - znajomość OpenID, OAuth, SAML lub podobnych standardów, - znajomość chmury (AWS / GCP) oraz narzędzi CI/CD. Oferujemy: - realny wpływ na rozwój produktu używanego globalnie przez miliony użytkowników, - dużą samodzielność oraz szerokie możliwości rozwoju, - pracę w płaskiej strukturze i możliwość proponowania własnych rozwiązań, - środowisko nastawione na jakość i konstruktywny feedback, - wsparcie przełożonego, program mentoringowy i regularne spotkania 1on1, - współpracę w oparciu o kontrakt B2B lub umowę o pracę, - elastyczne godziny pracy (start między 7:00 a 10:00), - nowoczesny sprzęt (MacBook + urządzenia testowe), - integracje zespołowe i warsztaty techniczne, - pakiet benefitów (prywatna opieka medyczna, MultiSport, lekcje angielskiego), - pracę hybrydową z przewagą pracy zdalnej.

🏢 Summary: Senior Software Engineer role focused on developing a global passwordless authentication platform within identity and security domain. The position involves building and evolving microservices-based systems, contributing to architecture decisions, and implementing scalable, high-performance backend and/or frontend solutions. This is a product development role with real impact on globally used security solutions. 🗂️ Requirements: Minimum 5 years commercial experience as Fullstack, Backend or Frontend Developer, Strong knowledge of JavaScript and TypeScript, Commercial experience with React and/or Node.js, Experience working with microservices architecture, Practical experience with AI development tools, Experience with SQL and/or NoSQL databases, Knowledge of HTTP and REST API, Experience in frontend and/or backend testing, Very good English (min. B2+), Fluent Polish (min. C1) 📃 Skills: JavaScript, TypeScript, React, Node.js, NestJS, SQL, NoSQL, HTTP, REST, Microservices, AI, Testing 🏢 Description: Pracuj nad rozwiązaniami, które zabezpieczają cyfrową tożsamość milionów użytkowników na całym świecie! Dla naszego klienta, międzynarodowej firmy z branży usług informatycznych, poszukujemy Senior Software Engineera , który dołączy do organizacji budującej nowoczesną platformę passwordless authentication, wykorzystywaną na szeroką skalę. Dołączysz do jednego z kilku zespołów odpowiedzialnych za rozwój kluczowych obszarów identity & security, takich jak uwierzytelnianie użytkowników, wykrywanie nadużyć, weryfikacja tożsamości czy orkiestracja procesów bezpieczeństwa. Nie jest to rola utrzymaniowa – zespoły aktywnie rozwijają produkty, tworzą nowe funkcjonalności i pracują nad rozwiązaniami wykorzystywanymi w skali globalnej. Będziesz mieć realny wpływ na decyzje techniczne i architekturę rozwijanych systemów. Lokalizacja: Gdańsk Model pracy: Hybryda (częstotliwość pracy w biurze do ustalenia) Forma zatrudnienia: B2B lub umowa o pracę Wynagrodzenie: B2B: 170 - 190 PLN/h + VAT || UoP: 20.500 - 23.200 PLN brutto Zakres obowiązków: rozwój i współtworzenie systemów w architekturze mikroserwisowej, rozwój backendu - szukamy aktualnie osób specjalizujących się głównie w tym obszarze, projektowanie i implementacja nowych funkcjonalności w obszarze identity & security, udział w projektowaniu architektury systemu oraz podejmowaniu decyzji technicznych, praca nad skalowalnością, wydajnością oraz niezawodnością systemu, integracja pomiędzy różnymi komponentami platformy ( m.in . authentication, risk, identity flows), świadome wykorzystywanie narzędzi AI w codziennej pracy, udział w code review, dbanie o jakość kodu oraz standardy wytwarzania oprogramowania, praca w środowisku międzynarodowym (język angielski na co dzień). Oczekiwania: min. 5 lat doświadczenia komercyjnego jako Fullstack / Backend Developer, praktyczne doświadczenie z Node.js (mile widziany NestJS), bardzo dobra znajomość JavaScript, TypeScript, React, doświadczenie w pracy z architekturą mikroserwisową, praktyczne doświadczenie w pracy z narzędziami AI (np. Claude, Cursor, Juni lub podobne), umiejętność świadomego wykorzystywania AI w codziennej pracy, doświadczenie z bazami danych (SQL i/lub NoSQL), znajomość HTTP, REST API oraz nowoczesnych wzorców komunikacji, wiedza z obszaru testowania aplikacji (frontend i/lub backend), rozumienie działania implementowanych rozwiązań oraz ich konsekwencji architektonicznych, bardzo dobra znajomość języka angielskiego (min. B2+), płynna znajomość języka polskiego (min. C1), umiejętność samodzielnej pracy i branie odpowiedzialności za tworzony produkt, nastawienie na bycie częścią zespołu i otwartość na feedback. Mile widziane: doświadczenie w obszarze security / identity, znajomość OpenID, OAuth, SAML lub podobnych standardów, znajomość chmury (AWS / GCP) oraz narzędzi CI/CD. Oferujemy: realny wpływ na rozwój produktu używanego globalnie przez miliony użytkowników, dużą samodzielność oraz szerokie możliwości rozwoju, pracę w płaskiej strukturze i możliwość proponowania własnych rozwiązań, środowisko nastawione na jakość i konstruktywny feedback, wsparcie przełożonego, program mentoringowy i regularne spotkania 1on1, współpracę w oparciu o kontrakt B2B lub umowę o pracę, elastyczne godziny pracy (start między 7:00 a 10:00), nowoczesny sprzęt (MacBook + urządzenia testowe), integracje zespołowe i warsztaty techniczne, pakiet benefitów (prywatna opieka medyczna, MultiSport, lekcje angielskiego), pracę hybrydową z przewagą pracy zdalnej.

🏢 Summary: Senior Backend Python Engineer role focused on building scalable AI-powered enterprise software and owning backend services from architecture to production. The position involves backend development, distributed systems, cloud infrastructure, and technical leadership in a hybrid B2B environment. Candidates will collaborate across teams to deliver secure, high-performance applications using modern engineering and AI-assisted workflows. 🗂️ Requirements: 6+ years building production-grade backend systems, Strong Python experience, Experience with distributed systems, Knowledge of concurrency and asynchronous processing, Experience designing REST APIs, Experience with scalable architectures, Hands-on cloud platform experience, Database design and performance optimization knowledge, Experience building secure enterprise applications, Ability to own projects from design to deployment, Cross-functional collaboration skills, Strong troubleshooting and problem-solving skills, Excellent English communication skills, Experience with AI tooling and automation workflows 📃 Skills: Python, REST, AWS, GCP, Azure, SQL, TypeScript, LLM, AI, Monitoring, Logging, Observability, Automation 🏢 Description: Senior Backend Engineer (Python) 📍 Warsaw, Poland (Hybrid) ☑️ Full-time 🕦 B2B Contract 💰 $8.000 - $12.000/month We are hiring a Senior Backend Python Engineer for an innovative technology company building AI-powered enterprise software used by organizations worldwide. This role is ideal for an experienced backend engineer who enjoys designing scalable production systems, solving complex technical challenges, and taking ownership of critical backend services from architecture through production. You'll work closely with product, frontend, and platform engineers to build reliable, secure, and high-performance applications while leveraging modern AI-assisted engineering practices . As a Senior Backend Python Engineer you will provide backend development, system design, cloud infrastructure, and technical leadership in a fast-paced engineering environment where ownership and continuous improvement are highly valued. Requirements 6+ years of experience building and maintaining production-grade backend systems Strong hands-on experience with Python and modern backend development practices Strong understanding of distributed systems, concurrency, asynchronous processing, and scalable architectures Experience designing and developing REST APIs and backend services Hands-on experience with cloud platforms such as AWS, GCP, or Azure Strong knowledge of database design, performance optimization, and high-throughput applications Experience building secure, reliable enterprise applications with a security-first mindset Ability to own projects from technical design through deployment and production support Experience working closely with cross-functional engineering and product teams Strong troubleshooting, problem-solving, and communication skills Excellent written and verbal English communication skills Improve engineering leverage with AI tooling , automation, and internal workflows rather than using AI as a gimmick Nice to Have Experience building AI-powered applications, agentic systems, LLM integrations, or orchestration frameworks Experience with TypeScript or full-stack development Experience mentoring engineers or contributing to technical leadership Experience with observability, monitoring, logging, and performance optimization Experience working in fast-growing product or startup environments Responsibilities Design, develop, and maintain scalable backend services, APIs, and asynchronous processing systems Translate business requirements into robust technical solutions and scalable system designs Own services throughout their lifecycle, including deployment, monitoring, reliability, and continuous improvement Design efficient data models and optimize database performance for production workloads Collaborate with product, frontend, and platform teams to deliver end-to-end features Improve engineering productivity through automation and AI-assisted development workflows Participate in architecture discussions, code reviews, and technical decision-making Implement monitoring, logging, and observability solutions to ensure production reliability Continuously improve system scalability, performance, security, and maintainability Contribute to engineering best practices and knowledge sharing across the team

🏢 Summary: Senior Backend Engineer role focused on building and scaling payment infrastructure across multiple SaaS products using Node.js and microservices. The position involves developing high-performance backend systems, integrating payment providers, and optimizing PostgreSQL databases in a distributed environment. The engineer will own payment lifecycle integrations and contribute to scalable, maintainable backend architecture. 🗂️ Requirements: 5+ years commercial experience with Node.js and RESTful APIs, 1+ year commercial experience with NestJS, 1+ year experience integrating and maintaining Stripe, 1+ year experience with payment orchestration platforms (Primer, Gr4vy, or Spreedly), Hands-on experience with full payment lifecycle (authorization, capture, refunds, webhooks, reconciliation), Experience with third-party API integrations, Strong understanding of microservices architecture, Advanced PostgreSQL experience with ORM, Experience with unit and integration testing, Experience with observability and monitoring tools, Experience with Docker and Kubernetes, Experience with AI development tools (e.g., Copilot, ChatGPT), Fluent English (written and spoken) 📃 Skills: Node.js, NestJS, Stripe, Primer, Gr4vy, Spreedly, REST, PostgreSQL, ORM, Jest, GroundCover, Docker, Kubernetes, Redis, AWS, React, Next.js, HTML, CSS, Adyen, Checkout, PayPal, CI/CD 🏢 Description: Senior Backend Engineer (Payments focused) Position Title: Senior Backend Engineer (Payments focused) Department: Business & Product Reports To: Technical Delivery Manager Location: Remote / Europe Date: ASAP Projects & Initiatives: Multi-project Node.js       NestJS       Stripe (Adyen, Checkout.com , PayPal) PostgreSQL       Microservices 1. Job Purpose We're a fast-growing tech company with a portfolio of SaaS products serving diverse industries. Innovation, performance, and design precision are core to our values. As we scale, we're looking for a Senior Back-End Engineer to take a key role in crafting highly performant, maintainable, and user-focused web applications, with a strong focus on payments infrastructure across multiple products. 2. Key Responsibilities – Participate in daily team routines, stand-ups, sprint planning, and retrospectives. – Actively contribute to sprint work: feature development, code reviews, and merge requests. – Develop testable, maintainable code; troubleshoot and debug issues as they arise. – Gather and evaluate requirements in collaboration with the Tech Lead, Product Manager, and fellow engineers. – Translate requirements into solid backend features – Integrate software components into a fully functional system – Collaborate effectively with Product, Engineering, QA, and Customer Support – Integrate with third-party APIs and monitor system performance – Apply engineering best practices and agreed standards consistently – Prepare and present technical ideas to internal teams and stakeholders 3. Requirements MUST HAVE – 5+ years of commercial experience with Node.js and RESTful APIs – 1+ year of commercial experience with NestJS – 1+ year integrating and maintaining Stripe – 1+ year integrating and maintaining a payment orchestration platform, Primer, Gr4vy, or Spreedly – Proficient in English, written and spoken ALSO REQUIRED – Hands-on experience with the full payment lifecycle: ◦ Authorization, capture, refunds, webhooks, reconciliation ◦ Third-party API integrations – Thorough understanding of web application and microservice architecture – Comprehensive understanding of OOP, design patterns, and service-oriented architecture – Advanced PostgreSQL experience with ORM: ◦ Designing scalable schemas ◦ Performance optimization ◦ Schema and data migrations under heavy load – Experience with unit and integration tests, e.g., Jest – Experience with observability and monitoring in distributed environments, e.g., GroundCover – Knowledge of application performance optimization techniques – Understanding of web technologies – Comfortable with Docker and Kubernetes – Hands-on with modern AI development tools, e.g., GitHub Copilot, Cursor, ChatGPT, or similar – Strategic thinker with a problem-solver mindset – Able to work autonomously in a fast-paced, agile, remote environment – Strong communication skills and experience working with distributed teams 4. Nice to Have – Experience with other payment processors, Adyen, Checkout.com , and PayPal – Understanding of payment performance processes, EFWs, chargebacks, and refunds – Experience with Redis – Familiarity with CI/CD tools and practices – Experience with AWS – React.js / Next.js – HTML / CSS – Experience with SaaS products – Past or current Tech Lead experience 5. What We Offer – Full-time, long-term role – 22 days paid leave + local bank holidays – 100% remote – Flexible hours, core window 7:00–18:00 EET – High-traffic, global SaaS products, real scale, real impact

🏢 Summary: Senior Backend Engineer role focused on building and scaling payments infrastructure for SaaS products using Node.js and NestJS in a microservices environment. The position involves integrating and maintaining payment providers such as Stripe and orchestration platforms, optimizing PostgreSQL databases, and ensuring high system performance and reliability. Fully remote role within Europe, offering long-term engagement on high-traffic global products. 🗂️ Requirements: 5+ years commercial experience with Node.js and RESTful APIs, 1+ year commercial experience with NestJS, 1+ year experience integrating and maintaining Stripe, 1+ year experience integrating and maintaining payment orchestration platforms (Primer, Gr4vy, or Spreedly), Hands-on experience with full payment lifecycle (authorization, capture, refunds, webhooks, reconciliation), Strong experience with third-party API integrations, Advanced PostgreSQL experience with ORM, Experience designing scalable schemas and optimizing performance, Experience with unit and integration testing (Jest), Experience with observability and monitoring in distributed systems, Understanding of microservice architecture and service-oriented architecture, Strong knowledge of OOP and design patterns, Experience with Docker and Kubernetes, Proficient English (written and spoken) 📃 Skills: Node.js, NestJS, Stripe, Primer, Gr4vy, Spreedly, REST, PostgreSQL, ORM, Jest, Docker, Kubernetes, Microservices, OOP, GroundCover, Redis, AWS, CI/CD, Adyen, Checkout.com, PayPal, React, Next.js, HTML, CSS, GitHub Copilot, Cursor, ChatGPT 🏢 Description: Senior Backend Engineer (Payments focused) Position Title: Senior Backend Engineer (Payments focused) Department: Business & Product Reports To: Technical Delivery Manager Location: Remote / Europe Date: ASAP Projects & Initiatives: Multi-project Node.js       NestJS       Stripe (Adyen, Checkout.com , PayPal) PostgreSQL       Microservices 1. Job Purpose We're a fast-growing tech company with a portfolio of SaaS products serving diverse industries. Innovation, performance, and design precision are core to our values. As we scale, we're looking for a Senior Back-End Engineer to take a key role in crafting highly performant, maintainable, and user-focused web applications, with a strong focus on payments infrastructure across multiple products. 2. Key Responsibilities – Participate in daily team routines, stand-ups, sprint planning, and retrospectives. – Actively contribute to sprint work: feature development, code reviews, and merge requests. – Develop testable, maintainable code; troubleshoot and debug issues as they arise. – Gather and evaluate requirements in collaboration with the Tech Lead, Product Manager, and fellow engineers. – Translate requirements into solid backend features – Integrate software components into a fully functional system – Collaborate effectively with Product, Engineering, QA, and Customer Support – Integrate with third-party APIs and monitor system performance – Apply engineering best practices and agreed standards consistently – Prepare and present technical ideas to internal teams and stakeholders 3. Requirements MUST HAVE – 5+ years of commercial experience with Node.js and RESTful APIs – 1+ year of commercial experience with NestJS – 1+ year integrating and maintaining Stripe – 1+ year integrating and maintaining a payment orchestration platform, Primer, Gr4vy, or Spreedly – Proficient in English, written and spoken ALSO REQUIRED – Hands-on experience with the full payment lifecycle: ◦ Authorization, capture, refunds, webhooks, reconciliation ◦ Third-party API integrations – Thorough understanding of web application and microservice architecture – Comprehensive understanding of OOP, design patterns, and service-oriented architecture – Advanced PostgreSQL experience with ORM: ◦ Designing scalable schemas ◦ Performance optimization ◦ Schema and data migrations under heavy load – Experience with unit and integration tests, e.g., Jest – Experience with observability and monitoring in distributed environments, e.g., GroundCover – Knowledge of application performance optimization techniques – Understanding of web technologies – Comfortable with Docker and Kubernetes – Hands-on with modern AI development tools, e.g., GitHub Copilot, Cursor, ChatGPT, or similar – Strategic thinker with a problem-solver mindset – Able to work autonomously in a fast-paced, agile, remote environment – Strong communication skills and experience working with distributed teams 4. Nice to Have – Experience with other payment processors, Adyen, Checkout.com , and PayPal – Understanding of payment performance processes, EFWs, chargebacks, and refunds – Experience with Redis – Familiarity with CI/CD tools and practices – Experience with AWS – React.js / Next.js – HTML / CSS – Experience with SaaS products – Past or current Tech Lead experience 5. What We Offer – Full-time, long-term role – 22 days paid leave + local bank holidays – 100% remote – Flexible hours, core window 7:00–18:00 EET – High-traffic, global SaaS products, real scale, real impact