Software Engineer (Contract)

🏢 Summary: Remote Senior Fullstack Python Engineer role focused on building and maintaining scalable SaaS platforms for influencer marketing using large-scale datasets and AI-driven solutions. The position involves full-stack development across frontend and backend systems in a lean engineering team. 🗂️ Requirements: 5+ years of experience developing large-scale systems and web applications, Proficiency with HTML, CSS, JavaScript, React, and Node.js, Strong expertise in Python and Django, Experience with PostgreSQL or MySQL, Knowledge of Functional Programming and Object-Oriented Programming, Experience with Git and GitHub, Experience working in Agile/Kanban environments, Strong written and verbal communication skills, Ability to work remotely with overlap to US Pacific Time 📃 Skills: Python, Django, React, Node.js, HTML, CSS, JavaScript, PostgreSQL, MySQL, Git, GitHub, Agile, Kanban, ElasticSearch, ETL 🏢 Description: Position: Senior Fullstack Python Engineer Working model: 100% Remote Salary: USD 6,200 – 7,400 /  month Type of contract: B2B Our Client is a successful SaaS creator marketing solution provider. The Company has been connecting and supporting Influencers and Fortune 500 brands in building their content marketing strategies for over a decade. They are looking for a Senior Python developer to join their lean, 6 people team to work on their set of solutions, using high volume of data (over 300B data points, nearly 2 M creators, 750M elements of content and counting), AI and tackling technical challenges on a daily basis. Responsibilities Collaborate with product, developers, and stakeholders to create visually stunning and responsive user interfaces. Design, build, and maintain Open Influences Platforms across the entire technology stack. Contribute to the design and development of backend architectures that address high workloads. Write clean, efficient, and maintainable code using modern web development languages and practices. Develop and maintain reusable code libraries and frameworks. Requirements A minimum of 5 years of experience in designing and developing large-scale systems and web-based applications. Proficiency in front-end technologies, HTML, CSS, and JS frameworks like React and Node.js Mastery of Python, Django, and RDBMS such as Postgres or MySQL. Knowledge of Functional Programming and Object-Oriented Programming paradigms. Experience with version control systems, specifically Git and GitHub. Experience with Agile (Kanban) development processes. Excellent written and verbal communication skills. Ability to work remotely with at least a 4-hour overlap with 9 am – 6 pm US Pacific Time (during the trial period full US Pacific Time coverage). Bonus points for Experience with performance tuning, identifying, and resolving bottlenecks. Familiarity with the ETL process and handling of larger data sets. Familiarity with ElasticSearch Comfortable with full-stack development, emphasizing front-end efforts to modernize platforms. Experience or keen interest in innovative product development. Strong understanding of and experience with big data solutions.

🏢 Summary: The offer is for a Python Backend Engineer to build and maintain scalable backend services and REST APIs in a collaborative product environment. The role focuses on developing clean, well-tested code and contributing to architecture and code quality from day one. It is a fully remote position with flexible contract options and long-term international projects. 🗂️ Requirements: 3+ years of professional Python experience, Strong knowledge of FastAPI, Django, or Flask, Experience with PostgreSQL, Experience with REST API design, Proficiency with Git, Experience with pytest, Experience with CI/CD workflows 📃 Skills: Python, FastAPI, Django, Flask, PostgreSQL, REST, Git, pytest, CI/CD, AWS, GCP, Azure, Docker, Kubernetes, Kafka, Redis, RabbitMQ, Poetry, uv 🏢 Description: About the role We're looking for a Python backend engineer to join a client team and build reliable, scalable services from day one. Responsibilities Design and maintain Python-based backend services and REST APIs Write clean, tested, well-documented code Collaborate with product and DevOps teams on feature delivery Participate in code reviews and architecture discussions Requirements 3+ years of professional Python experience Solid knowledge of FastAPI, Django, or Flask Experience with PostgreSQL and RESTful API design Comfortable with Git, pytest, and CI/CD workflows Good written and spoken English Nice to have AWS, GCP, or Azure Docker / Kubernetes Kafka, Redis, or RabbitMQ Poetry or uv for dependency management pre-commit hooks and code quality tooling We offer B2B contract or employment contract (umowa o pracę / umowa zlecenie) — flexible on the form Fully remote, flexible setup Long-term engagements with international clients Dedicated recruiter support through onboarding

🏢 Summary: Senior Python Engineer role focused on building and scaling a cloud-native real-time Data Platform handling massive datasets. The position involves developing high-performance backend services, optimizing distributed systems, and integrating large-scale data storage solutions. Hybrid work model in Warsaw with employment benefits including private medical care and multisport card. 🗂️ Requirements: 8+ years of backend software development experience, Advanced Python expertise, Experience with scalable production-grade systems, Knowledge of concurrency and multiprocessing, Experience with Pandas or NumPy, Experience with Parquet or JSON data formats, Knowledge of relational and NoSQL databases, Experience with performance optimization and low-latency systems, Ability to use AI-assisted development tools responsibly 📃 Skills: Python, Pandas, NumPy, Parquet, JSON, SQL, NoSQL, API, OOP, Concurrency, Multiprocessing, Algorithms, Databases, Cloud 🏢 Description: For our client, a leading, high-growth global fintech company, we are looking for an experienced Senior Python Engineer to join a key engineering team responsible for the company’s core data foundation. The project focuses on building, optimizing, and scaling a cloud-native, high-throughput Data Platform designed to ingest, process, and distribute massive datasets in real-time. This platform serves as the backbone for various downstream analytical systems, requiring extreme reliability, performance, and scalability. This is a fantastic opportunity for a strong Python generalist who enjoys solving complex distributed system problems, optimizing data flows, and working with modern cloud architectures. Responsibilities Backend & Pipeline Development: - Design and develop scalable backend services and high-performance data processing pipelines using Python. Performance Tuning: - Identify bottlenecks and optimize system performance, focusing on concurrency, throughput, and low-latency execution. Data Integration & Storage: - Build robust integrations with modern cloud-native storage solutions and databases to manage large-scale datasets efficiently. Collaborative Engineering: - Work closely with cross-functional technical teams to understand data requirements and deliver reliable API services and platform features. Engineering Excellence: - Maintain top-tier coding standards, emphasizing clean code, robust testing (unit/integration), automation, and security. Requirements - 8+ years of professional backend software development experience with scalable, production-grade systems. - Deep expertise in Python, including advanced OOP, concurrency/multiprocessing, memory management, data structures, and algorithms. - Experience with data-centric libraries such as Pandas, NumPy, or similar frameworks. - Experience with large-scale data storage formats such as Parquet, JSON, or column-oriented databases and relational/NoSQL databases. - Comfortable utilizing AI tools to accelerate delivery while maintaining validation, testing, security, and refactoring standards. What our client offers - Hybrid work model in Warsaw (minimum 3 days a week in the office). - Contract of Employment (UoP) with increased tax-deductible costs (KUP). - Private medical care including full dental care. - Lunch card. - Multisport card.

🏢 Summary: The offer is for a Senior Python Backend Engineer to design and maintain scalable, cloud-native backend systems on AWS, including REST APIs and AI/LLM integrations. The role focuses on distributed systems, asynchronous processing, observability, and high code quality within a modern CI/CD environment. It involves working with both serverless and containerized deployments in a collaborative, agile team. 🗂️ Requirements: 3–5+ years of professional Python backend development experience, Experience building cloud-native systems on AWS, Strong knowledge of REST API design and OpenAPI, Experience with asynchronous processing and queue-based architectures, Hands-on experience with core AWS services (Lambda, API Gateway, S3, IAM, ECS/EKS, CloudWatch), Knowledge of DynamoDB and NoSQL data modelling, Knowledge of PostgreSQL, SQL, and relational data modelling, Experience with serverless and containerized deployments, Experience integrating external APIs and third-party services, Experience with automated testing using pytest, Familiarity with CI/CD tools, Understanding of distributed systems, scalability, and reliability, Practical understanding of LLM-based or AI-driven applications, Ability to apply SOLID principles and clean code practices, Fluent English (written and spoken) 📃 Skills: Python, AWS, FastAPI, Pydantic, SQLAlchemy, boto3, REST, OpenAPI, Celery, SQS, Lambda, ECS, EKS, S3, CloudFront, IAM, SecretsManager, CloudWatch, DynamoDB, PostgreSQL, SQL, pytest, GitHubActions, Jenkins, NewRelic, Docker, Kubernetes, LLM, Cursor, Claude, Copilot 🏢 Description: We are looking for a Senior Python Backend Engineer with experience in building cloud-native backend systems on AWS. This role is focused on designing, developing, and maintaining scalable Python services, integrating AI/LLM-based capabilities, working with distributed systems, and ensuring high reliability, observability, and code quality. Your responsibilities: Design, build, and maintain backend services using Python in an AWS-based environment. Develop and maintain REST APIs together with clear OpenAPI documentation. Implement asynchronous processing and queue-based communication between services. Design data access patterns for application features using NoSQL and SQL storage. Integrate backend services with internal systems, external APIs, and AI/LLM-based components. Implement reliable communication patterns, including retries, timeouts, and circuit breakers. Build and maintain operational CLI tooling for day-to-day platform tasks (e.g. content ingestion). Contribute to architectural decisions across software and infrastructure as the stack evolves. Create observability for distributed systems, including logging, metrics, tracing, and alerting. Write automated tests and support high code quality across the backend codebase. Contribute to CI/CD processes and deployment automation. Collaborate with product, frontend, QA, DevOps, AI/ML teams, and content creators. Review code, share knowledge, and raise the bar for engineering practice across the team. We are looking for you, if you have: 3–5+ years of professional experience in Python backend development. Solid understanding of REST API design and OpenAPI standards. Experience with asynchronous processing and queue-based architectures, e.g. Celery, SQS. Experience with libraries and frameworks such as FastAPI, Pydantic, SQLAlchemy, boto3. Hands-on experience with core AWS services such as Lambda, API Gateway, S3, CloudFront, Secrets Manager, IAM, ECS/EKS, CloudWatch, etc. Good knowledge of DynamoDB and NoSQL data modelling. Good knowledge of PostgreSQL, SQL, and relational data modelling . Experience with both serverless (Lambda) and containerized (ECS/EKS) deployment models. Experience integrating with external APIs and third-party services. Experience with pytest and automated testing practices. Familiarity with CI/CD tools such as GitHub Actions and/or Jenkins. Experience with observability tools such as New Relic and CloudWatch. Understanding of distributed systems, scalability, reliability, and fault tolerance. Ability to apply SOLID principles, clean code practices, and common design patterns. Practical understanding of LLM-based applications or AI agentic frameworks. Ability to use AI development tools such as Cursor, Claude Code, or GitHub Copilot. Experience working in agile software development teams. Fluent English, both written and spoken. We offer: Participation in interesting and demanding projects. Flexible working hours. A great, non-corporate atmosphere. Possibility to work remote or hybrid (2 days per week from the office). Opportunities for development and promotion. Attractive package of benefits. We reserve the right to contact the selected candidates.

🏢 Summary: Senior Software Engineer role focused on building and optimizing Python-based data processing solutions. The position involves designing end-to-end ETL/ELT pipelines, containerizing applications, and deploying them as Kubernetes CronJobs integrated with Kafka. The engineer will also manage CI/CD pipelines to ensure reliable, automated deployments and operational stability. 🗂️ Requirements: Strong Python development skills, Experience designing ETL/ELT pipelines, Hands-on experience with Kubernetes CronJobs, Experience with Kafka, Experience building and managing CI/CD pipelines, Experience with SFTP and REST APIs, Containerization experience, Ability to design scalable data flows, Troubleshooting skills in data-processing environments 📃 Skills: Python, ETL, ELT, Kubernetes, Kafka, CI/CD, SFTP, REST, Docker, APIs 🏢 Description: Introduction & Summary We are seeking a skilled Senior Software Engineer with expertise in Python. The ideal candidate will possess strong Python skills, a solid understanding of ETL processes, and experience with Kubernetes and CI/CD pipelines. Main Responsibilities - Develop and maintain a Python application/script for scheduled data-processing tasks. - Containerize the application and deploy it as a Kubernetes CronJob & Kafka. - Design and implement end-to-end data flows for ingestion, transformation, and storage. - Optimize and maintain reliable data-processing workflows for operational stability. - Build and manage CI/CD pipelines for application deployment and updates. - Collaborate with cross-functional teams to troubleshoot issues and enhance solutions. Key Requirements - Strong Python skills to build efficient applications for data ingestion, transformation, and storage. - Experience with secure file transfers (SFTP) and REST APIs. - Hands-on experience with containerization and running workloads as Kubernetes CronJobs & Kafka. - Experience managing CI/CD pipelines for automated build, deployment, and operations. - Solid troubleshooting and collaboration skills to deliver reliable data solutions. - Proven ability to design and optimize scalable ETL/ELT pipelines. Nice to Have - Familiarity with various data storage solutions. - Experience working in an Agile environment. - Knowledge of additional programming languages.

🏢 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

🏢 Summary: The offer is for a senior Python Software Engineer responsible for improving and reinventing the software delivery lifecycle, focusing on developer tools, CI/CD, and Python package distribution. The role involves building and maintaining libraries and tooling that support secure, reliable, and scalable development across the organization. It emphasizes best practices in dependency management, testing, and cross-platform compatibility. 🗂️ Requirements: Minimum 10 years of software development experience or exceptional learning ability, BS or MS in Computer Science or related field, Expertise in Python or C++, Strong knowledge of Python, Proficiency with Python packaging tools, Strong coding skills focused on reliability, Ability to develop CI/CD scripts and developer tools, Experience with dependency management and testing practices 📃 Skills: Python, C++, CI/CD, pip, setuptools, Conda, SDLC, Git, ray, spark, TypeScript, React, Angular, Node 🏢 Description: Summary The Python Software Engineer plays a crucial role within the Technical Foundations team, responsible for developing and maintaining a robust ecosystem that empowers colleagues to produce high-quality research and production code. Main Responsibilities: As a Python Software Engineer, you will be tasked with reinventing the software delivery lifecycle and promoting best practices in software development. Reinvent the software delivery lifecycle, focusing on developer tools and CI/CD scripts for Python packages. Assemble 3rd-party tools into a unique distribution for cross-compatibility on various architectures. Promote best practices in software development, including dependency management and testing techniques. Develop libraries and tools to support SDLC, Security, Cloud, and other technical domains. Conduct technology watch and prototype modern technology solutions for firmwide challenges. Key Requirements: Minimum 10 years of software development experience or exceptional learning skills. BS or MS in Computer Science or related field. Expertise in Python or C++ with solid knowledge of Python. Proficiency with Python packaging solutions (e.g., pip, setuptools, Conda). Strong coding skills with a focus on reliability. Excellent communication skills in an international team. Nice to Have: Experience with distributed data manipulation libraries (e.g., ray, spark). Familiarity with TypeScript (React, Angular, Node).

🏢 Summary: Senior Back-End Developer role focused on designing and building scalable, secure APIs and services for a SaaS legal-tech platform hosted on AWS. The position involves developing distributed systems, optimizing data models, and integrating multiple AWS services to support complex enterprise workflows. You will collaborate with cross-functional teams to improve performance, reliability, and architecture of the back-end systems. 🗂️ Requirements: Experience as Back-End or Full-Stack Developer in SaaS environment, Strong knowledge of Python 3.10+, Strong knowledge of Django 4.x and Django REST Framework, Experience with PostgreSQL, Experience with Redis and/or Elasticsearch/OpenSearch, Experience with Celery and asynchronous task processing, Familiarity with AWS services: ECS, Lambda, S3, RDS, SQS/SNS, Experience with Git and CI/CD pipelines, Experience working in Agile/Scrum environment, Strong debugging and performance optimization skills 📃 Skills: Python, Django, DjangoRESTFramework, PostgreSQL, Redis, Elasticsearch, OpenSearch, Celery, AWS, ECS, Lambda, S3, RDS, SQS, SNS, Git, CI/CD, Terraform, Terragrunt, pytest, Ruff 🏢 Description: About Us We build B2B legal technology that helps law firms and fund managers work faster and produce high-quality results. Our product helps manage the legal processes used when raising private investment funds. It makes drafting, negotiation, and compliance work easier and faster for lawyers. We use a single-tenant SaaS system hosted on AWS in several regions. Our technology stack includes Python/Django 4.2, React 18 with TypeScript, PostgreSQL, Redis, Elasticsearch/OpenSearch, S3, ECS, and Lambda. Role Overview We are looking for a Senior Back-End Developer to design, build, and improve the APIs, data models, and services behind our product. You will work closely with front-end developers, QA engineers, and DevOps specialists to create reliable, scalable, and secure back-end systems used by global business clients. The ideal candidate has strong experience with Python/Django, AWS services, and distributed systems. They care about performance, clean architecture, and maintainable code. Key Responsibilities Design and build RESTful APIs using Python 3.10+ and Django 4.x / Django REST Framework. Create scalable data models and efficient queries using PostgreSQL, Redis, and Elasticsearch/OpenSearch. Build background jobs and asynchronous tasks using Celery, SQS, and Lambda. Integrate AWS services such as S3, SNS/SQS, CloudFront, ECS, and RDS into application workflows. Take part in code reviews and maintain clean, secure, and well-documented services. Work with DevOps to improve CI/CD pipelines and infrastructure automation. Help plan system architecture, scalability, and performance improvements. Essential Requirements Experience working as a Back-End or Full-Stack Developer in a SaaS environment. Strong knowledge of Python 3.10+ and Django 4.x / Django REST Framework. Experience with PostgreSQL, Redis, and/or Elasticsearch/OpenSearch. Familiarity with Celery, SQS/SNS, and AWS services such as ECS, Lambda, S3, and RDS. Experience with Git, CI/CD processes, and Agile/Scrum development. Strong debugging and problem-solving skills with attention to performance and reliability. Preferred Requirements Experience with infrastructure-as-code tools such as Terraform or Terragrunt and AWS developer tools. Knowledge of authentication systems, role-based access control, and single-tenant architecture. Experience working with text or document processing libraries. Familiarity with testing and code quality tools such as pytest, Ruff, and pre-commit workflows. Personal Attributes Practical engineer who values reliability and clean system design. Analytical and detail-focused problem solver. Comfortable working and communicating in cross-functional Agile teams. Proactive in improving code quality and developer experience. What We Offer Competitive salary and benefits. Remote-first work culture with colleagues from different countries. Opportunity to shape the back-end architecture and services of our global legal-tech product. Experience working with complex enterprise workflows and automation challenges.

🏢 Summary: Role for a Python Specialist responsible for developing and maintaining production-grade applications, enhancing legacy systems, and building new services using modern architectures. The position focuses on backend development, database optimization, cloud infrastructure, and high testing standards within a regulated environment. Involves working with AWS and infrastructure-as-code while delivering robust REST APIs. 🗂️ Requirements: Extensive experience with Python in production environments, Deep knowledge of modern Python features (type hints, decorators), Hands-on experience with SQLAlchemy 2.0, Strong experience with PostgreSQL, Solid understanding of RDBMS principles, Experience managing database migrations with Alembic, Experience with FastAPI or similar ASGI frameworks, Ability to refactor legacy applications in live production systems, Experience with AWS cloud services, Experience using Terraform for infrastructure-as-code, Proficiency with Docker for deployment, Strong testing experience with pytest, Experience with behavior-driven testing, Knowledge of Domain-Driven Design, Experience with CI/CD pipelines using GitHub Actions 📃 Skills: Python, SQLAlchemy, PostgreSQL, Alembic, FastAPI, ASGI, AWS, Terraform, Docker, pytest, RDBMS, DDD, GitHubActions 🏢 Description: Introduction & Summary We are seeking a highly skilled Python Specialist with extensive experience in building and maintaining production-grade Python systems. The ideal candidate must demonstrate deep fluency in modern Python features and a robust understanding of RDBMS principles. You will play a crucial role in both enhancing legacy systems and developing new applications with high standards. Main Responsibilities As a Python Specialist, your core duties will include: Developing and maintaining Python applications in a production environment. Implementing features using SQLAlchemy 2.0, ensuring efficient database interactions. Managing schemas in PostgreSQL with a focus on optimization. Overseeing database migrations using Alembic. Utilizing FastAPI to construct and deploy REST APIs. Refactoring existing applications to adopt modern architectures. Interfacing with AWS services for deployment and infrastructure management. Employing Terraform for infrastructure-as-code methodologies. Executing comprehensive testing strategies using pytest. Implementing behavior-driven testing practices. Key Requirements Extensive experience with Python, including features such as type hints and decorators. Hands-on experience with SQLAlchemy 2.0 and PostgreSQL. Strong understanding of RDBMS fundamentals and database migrations (Alembic). Experience with FastAPI or similar ASGI frameworks. Ability to refactor legacy applications while serving production traffic. Familiarity with AWS cloud services and Terraform. Proficient in Docker for application deployment. Strong testing discipline with pytest and knowledge of behavior-driven testing. Experience with Domain-Driven Design principles. Familiarity with CI/CD best practices using GitHub Actions. Nice to Have Background in Operations Research or Mathematical Optimization. Experience in regulated industries such as pharmaceuticals or medical devices. Other Details This position involves collaboration in a regulated environment, with a strong focus on compliance and documentation standards. Remote working options may be available.

🏢 Summary: Mid-level Python Engineer role focused on building and deploying AI-driven products using LLM technologies in production environments. The position involves developing LLM-powered pipelines, data extraction solutions, and performance-optimized AI systems while collaborating with product teams and clients. It offers growth in applied AI with increasing ownership over technical solutions. 🗂️ Requirements: 3+ years commercial experience as Software Engineer, Hands-on experience with Python, Experience with LLM or NLP solutions, Familiarity with RAG, vector search, embeddings, LLM pipelines, Experience building APIs with FastAPI, Experience with relational or NoSQL databases, Ability to design schemas and write efficient queries 📃 Skills: Python, NumPy, Pandas, Scikit-learn, LLM, NLP, RAG, FastAPI, PostgreSQL, MySQL, MongoDB, SQL, NoSQL, VectorSearch, Embeddings 🏢 Description: The role We’re looking for a Mid-level Python Engineer (3+ years of experience) to join our team and work on AI-driven products using LLM technologies.If you want to grow in applied AI, build real production features, and have exposure to client-facing projects - this role is for you. You’ll work closely with more experienced engineers, product managers, and clients, gradually taking more ownership over the solutions you build. What you’ll do Develop and deploy AI-driven features with a focus on reliability and iteration Support the implementation of LLM/NLP-based data extraction and analysis solutions Work on LLM-powered pipelines (e.g. RAG, prompt-based systems, basic agent workflows) Help optimize performance of AI systems for real-time or larger-scale use cases Participate in client meetings to understand requirements and discuss progress (with support) Collaborate closely with product managers, engineers, and other stakeholders Learn and apply best practices around model evaluation, monitoring, and lifecycle tracking What we are looking for 3+ years of commercial experience as a Software Engineer Hands-on experience with Python (e.g. NumPy, Pandas, Scikit-learn or similar) Initial experience working with LLMs or NLP solutions Familiarity with concepts like RAG, vector search, embeddings, or LLM-based pipelines Experience building services using FastAPI Willingness to learn and grow in AI/LLM-based architectures Experience working with databases - both relational and/or NoSQL (e.g. PostgreSQL, MySQL, MongoDB); ability to design simple schemas and write efficient queries Comfortable working in a bilingual environment ( Polish B2+, English B2+ ) What we offer 15 000 - 20 000 PLN net + VAT monthly (B2B) 20/26 paid vacation days 🌴 100% remote work and flexible working hours Private medical care, life insurance, and Multisport 🏃‍♂️‍➡️ Employee referral bonuses Equipment of your choice (MacBook by default) Interesting, meaningful projects- we only take on the ones we believe in 🙂