April 24, 2026

Senior Full-Stack Python Engineer

Senior • Remote

6,000 - 7,100 USD

Krakow, Poland

Client Overview

Our client is a global UK-based financial services and investment banking organization developing an AI-powered document processing and automation platform used across multiple business units. The platform focuses on large-scale data processing, workflow automation, integration with internal systems, and delivering modern digital capabilities for the wider banking group.

Position Overview

We are looking for a Senior Full-Stack Engineer to join a cross-functional engineering team building core components of the AI-driven document processing platform. This position requires strong backend engineering experience with Python as well as solid front-end or full-stack proficiency with TypeScript (preferably React, Next.js, or similar frameworks).
You will work on delivering scalable APIs, microservices, data workflows, and UI components that power document automation features, internal tools, and operational dashboards. The role involves close collaboration with product, architecture, GenAI, and platform engineering teams.
This role is ideal for someone who is hands-on, highly technical, and comfortable designing, developing, and deploying production-grade systems in cloud environments (preferably Google Cloud).

Key Responsibilities

  • Design, develop, and maintain backend services using Python (FastAPI, Flask, Django, or similar frameworks).

  • Build front-end components and UIs using TypeScript (React, Next.js, or similar frameworks).

  • Develop and integrate REST APIs and microservices, ensuring strong performance, reliability, and observability.

  • Collaborate closely with GenAI engineers to integrate AI-driven features and document-processing flows.

  • Implement data processing pipelines for structured and unstructured data.

  • Contribute to the platform’s architecture, design patterns, and technical decision-making.

  • Write automated tests and ensure a high level of code quality, maintainability, and security.

  • Partner with product managers, designers, and QA engineers to deliver high-quality solutions on time.

  • Document code, service interfaces, workflows, and architectural decisions.

Requirements

  • 6+ years of professional software engineering experience, with significant work in both backend and full-stack roles.

  • Strong proficiency in Python (FastAPI, Flask, Django, or similar).

  • Solid experience with TypeScript and modern front-end frameworks (React, Next.js, or similar).

  • Hands-on experience designing and implementing microservices, APIs, and backend systems.

  • Strong understanding of databases: relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, Firestore).

  • Experience with any cloud providers (AWS/Azure).

  • Familiarity with CI/CD pipelines, Docker, Git, and modern DevOps practices.

  • Strong understanding of software engineering principles: scalability, reliability, performance, and security.

  • Experience working in agile, cross-functional teams on complex products.

  • Excellent communication skills and ability to work with both technical and non-technical stakeholders.

Nice to Have

  • Experience working with AI/ML or GenAI-driven systems.

  • Experience with Google Cloud Platform 

  • Familiarity with Vertex AI, Gemini, or integration with LLM-powered services.

  • Experience with WebSockets, event-driven architectures, or Pub/Sub.

  • Knowledge of authentication/authorization standards (OAuth2, JWT, IAM).

  • Experience with document processing, OCR, or workflow automation.

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Krakow, Poland

4,400 - 6,200 USD

🏢 Summary: Senior Backend Engineer role focused on designing, developing, and deploying scalable backend services and platform infrastructure using Python and FastAPI. The position involves working with PostgreSQL, Kubernetes, and CI/CD pipelines to deliver production-ready, high-performance systems. You will collaborate with cross-functional teams to build reliable, automated, and maintainable backend solutions. 🗂️ Requirements: 5+ years backend development experience in production environments, Strong proficiency in Python and FastAPI, Experience with relational databases, preferably PostgreSQL, Experience with TypeScript and Nx for tooling or automation, Hands-on experience with Kubernetes and Helm, Experience with Docker and containerization practices, Experience designing and maintaining CI/CD pipelines, Experience with observability, logging, and monitoring tools, Strong system design and problem-solving skills 📃 Skills: Python, FastAPI, PostgreSQL, TypeScript, Nx, Kubernetes, Helm, Docker, GitHubActions, CI/CD, AWS, GCP, Azure, Monitoring, Logging 🏢 Description: Our client is a leading European tech company building scalable, high-performance backend services and platforms for enterprise and AI-driven applications. Our mission is to combine cutting-edge backend technologies with reliable, automated DevOps practices, ensuring secure, maintainable, and high-quality systems for our clients. As a Senior Backend Engineer (Python / FastAPI) , you will play a key role in designing, developing, and deploying backend services, internal tools, and platform infrastructure. You will collaborate closely with product teams, frontend engineers, and DevOps to deliver robust, scalable, and production-ready solutions. Responsibilities: Develop and maintain backend services using Python (FastAPI) Work with PostgreSQL to design schemas, optimize queries, and ensure data integrity Build and maintain internal CLI tools using TypeScript Manage a monorepo using Nx Manage deployment workflows and infrastructure using Kubernetes (K8s) and Helm Implement CI/CD pipelines using GitHub Actions for automated testing and deployment Collaborate with cross-functional teams to improve system architecture, reliability, and scalability Troubleshoot and optimize performance across backend services and infrastructure Requirements: 5+ years of experience in backend development in a production setting with real users Strong proficiency in Python , especially building APIs with FastAPI Solid experience with relational databases, preferably PostgreSQL Experience with TypeScript / Nx for tooling or automation tasks Hands-on experience with Kubernetes (K8s) and Helm Familiarity with containerization best practices (Docker) Experience designing and maintaining CI/CD pipelines (GitHub Actions or similar) Strong problem-solving skills, system design thinking, and attention to detail Exposure to observability, logging, and monitoring tools Nice to Have: Experience with cloud platforms (AWS, GCP, Azure) Exposure to observability, logging, and monitoring tools Experience integrating backend systems with frontend or AI/ML pipelines Technology Stack: Backend: Python (FastAPI), PostgreSQL DevOps / Platform: Kubernetes (K8s), Helm, CI/CD (GitHub Actions) Internal tooling: TypeScript / Nx for CLI and automation tools Other: Docker, cloud infrastructure (AWS/GCP/Azure), monitoring and observability

Technology

HSBC Service Delivery

Lead Full Stack & AI Engineer

Senior

Hybrid

Krakow, Poland

20,134 - 30,191 PLN

🏢 Summary: Senior Lead Full Stack & AI Engineer role focused on architecting and delivering enterprise-scale, cloud-native data management solutions on GCP using Python and React. The position combines hands-on full-stack development, AI/ML implementation, and technical leadership to drive regulatory-compliant, production-grade systems. Responsibilities include defining architecture, leading delivery, and embedding AI capabilities into large-scale data platforms. 🗂️ Requirements: 7+ years enterprise software development experience, 2+ years technical leadership experience, Expert proficiency in Python backend frameworks (Flask, FastAPI, Django), Strong expertise in React JS with JavaScript/TypeScript, Experience architecting and deploying solutions on GCP, Hands-on implementation of AI/ML solutions, Experience with microservices and RESTful APIs, Experience with SQL and NoSQL databases, Experience with Docker and Kubernetes, Experience with CI/CD and Infrastructure as Code (Terraform) 📃 Skills: Python, Flask, FastAPI, Django, React, JavaScript, TypeScript, GCP, CloudRun, GKE, BigQuery, CloudStorage, PubSub, VertexAI, AI, ML, Microservices, REST, SQL, NoSQL, Docker, Kubernetes, Terraform, CI/CD 🏢 Description: HSBC is seeking an accomplished Lead Full Stack & AI Engineer to join our Data Management Technology team under CTO Data Technology. This senior leadership role demands extensive expertise in full-stack development with Python and React JS, cloud engineering on GCP, and AI/ML implementation, combined with proven team leadership and delivery excellence. Key Responsibilities Lead the design, architecture, and development of enterprise-scale full-stack applications using Python (backend) and React JS (frontend) Define technical strategy and roadmap for AI-powered data management solutions on GCP Drive implementation of AI/ML capabilities to enhance data controls, quality checks, and risk detection in production environments Establish architectural standards, design patterns, and best practices for cloud-native applications on GCP Lead, mentor, and grow a team of full-stack engineers and AI specialists, fostering a high-performance culture focused on delivery excellence Own end-to-end technical delivery of complex, multi-workstream projects supporting regulatory compliance (BCBS 239, IRR, etc.) Develop comprehensive project plans with clear milestones and drive execution with urgency while maintaining quality and security standards Partner with Risk, Compliance, Data Governance, and Business teams to translate requirements into scalable technical solution. Required Skills 7+ years of relevant technical experience in enterprise software development with at least 2+ years in leadership roles. Write good quality code and automated Test cases Expert-level proficiency in Python for backend development (Flask, FastAPI, Django) and strong expertise in React JS with modern JavaScript/TypeScript for frontend Proven experience architecting and deploying enterprise solutions on GCP including services like Cloud Run, GKE, BigQuery, Cloud Storage, Pub/Sub, and Vertex AI Good hands-on experience implementing AI/ML solutions. Deep understanding of microservices architecture, RESTful APIs, event-driven systems, and experience with both SQL and NoSQL databases Demonstrated experience leading technical teams (5-15 members) with proven track record of delivering large-scale projects on time and with high quality Strong understanding of software design principles, design patterns, enterprise architecture, and cloud-native application best practices Experience with agile methodologies, DevOps practices, CI/CD implementations (Docker, Kubernetes), and infrastructure as code (Terraform)