Middle Python Developer — Cloud Security & AWS

🏢 Summary: Remote backend engineering role focused on building secure, scalable backend services and APIs using Python and Java within a cloud-native, security-driven environment. The position involves developing microservices, managing Kubernetes-based deployments, and integrating with AWS and Splunk for security analytics and monitoring. The engineer will work closely with security and frontend teams in an Agile setup. 🗂️ Requirements: Minimum 3 years of backend engineering experience, Proficiency in Python 3, Proficiency in Java, Experience with RESTful APIs, Experience with microservices architectures, Hands-on experience with AWS (DynamoDB, IAM, Lambda, API Gateway), Strong knowledge of Redis and high-availability configurations, Experience with Docker and Docker Compose, Practical experience with Kubernetes, Experience with Helm, Experience with Splunk Enterprise data ingestion and analytics, Knowledge of HTTP Event Collector configuration, Experience with authentication and IAM, Experience integrating with Identity Providers, Bachelor’s degree in Computer Science, Engineering or equivalent experience 📃 Skills: Python, Java, REST, Microservices, AWS, DynamoDB, IAM, Lambda, APIGateway, Redis, Docker, Kubernetes, Helm, Splunk, SAML, SSO, HTTP, Webhooks, Protobuf, WebSockets 🏢 Description: Location: 100% remote Tasks Design, develop, and maintain scalable backend services and APIs Build secure, high-performance backend systems using Python 3 and Java Implement RESTful APIs and microservices architectures Implement and manage secure authentication flows using SAML 2.0 and SSO Integrate backend services with frontend components and collaborate with React developers Configure and maintain Splunk Enterprise integrations for security event monitoring Build and maintain Splunk dashboards for threat discovery and investigation Collaborate with security teams on Cisco Secure Firewall and Secure Network Analytics integrations Manage containerized deployments using Docker, Docker Compose, and Kubernetes Administer Kubernetes clusters including deployment, scaling, and Helm chart management Optimize Redis caching strategies including session management and pub/sub messaging Develop and maintain AWS DynamoDB data models and access patterns Configure and manage AWS IAM roles and security policies Implement serverless solutions using AWS Lambda and API Gateway Contribute to endpoint security analytics pipelines using Cisco AnyConnect NVM and CESA Configure NVM Collector and Splunk Add-Ons for endpoint analytics Participate in code reviews, architectural discussions, and technical documentation Work in an Agile/Scrum development environment Requirements At least 3 years of backend engineering experience Proficiency in Python 3 and Java Experience with RESTful APIs and microservices architectures Hands-on experience with AWS including DynamoDB, IAM, Lambda, and API Gateway Strong knowledge of Redis including high-availability cluster configurations Experience with Docker and Docker Compose for containerized development Practical experience with Kubernetes and Helm Experience with Splunk Enterprise data ingestion and analytics Knowledge of HTTP Event Collector configuration and webhook integrations Hands-on experience with security topics (IAM, auth) is highly desirable Experience integrating with Identity Providers and Active Directory attribute mapping Experience with Protobuf and WebSockets is an advantage Experience with Duo Network Gateway and secure access to on-premises resources is a plus Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience Strong problem-solving skills and ability to work in a fast-paced environment Offer Multisport card Private healthcare Access to an e‑learning platform Group life insurance

🏢 Summary: Senior Backend Engineer role focused on modernising and expanding a secure AWS serverless platform in the healthcare sector. The position involves building event-driven backend services, migrating Azure components to AWS, and integrating Salesforce within a compliant cloud environment. This is a hands-on remote contract role delivering production-grade solutions under tight timelines. 🗂️ Requirements: 4+ years backend engineering experience, 2+ years AWS serverless production experience, Strong commercial experience with Python or TypeScript, Hands-on experience with AWS Lambda, API Gateway, EventBridge, SQS, SNS, Step Functions, Experience with RDS, DynamoDB, S3, Secrets Manager, Terraform for application-level infrastructure, Salesforce API integration experience (REST or Platform Events), Strong knowledge of REST APIs and event-driven architectures, GitLab with CI/CD workflows, Familiarity with SOC 2 or HIPAA compliance 📃 Skills: Python, TypeScript, AWS, Lambda, APIGateway, EventBridge, SQS, SNS, StepFunctions, RDS, DynamoDB, S3, SecretsManager, Terraform, GitLab, CI/CD, Salesforce, REST, Azure, AzureFunctions, AzurePipelines 🏢 Description: Senior Backend Engineer (AWS Serverless) About the Role We’re looking for experienced Senior Backend Engineers to join a cloud modernisation project in the healthcare sector. The team is responsible for rebuilding and expanding a secure AWS-based platform, migrating selected Azure services, and delivering scalable integrations with Salesforce and other external systems. This is a hands-on engineering role focused on backend services, serverless infrastructure, and event-driven architectures. You’ll work closely with cloud engineers, platform teams, and stakeholders to deliver production-ready solutions under tight delivery timelines. The project includes both modernisation of existing systems and development of new integrations — this is not a greenfield environment. Contract Type: B2B Work Mode: 100% Remote Time Zone: CET/CEST (Poland) — occasional meetings after 18:00 Project Overview The client is operating in the medical industry and is currently modernising their cloud ecosystem to support secure and compliant data processing workflows. The engineering team will focus on: Building AWS serverless services and APIs Designing event-driven integrations with Salesforce Migrating Azure-based components to AWS Rebuilding repositories and CI/CD processes in GitLab Delivering secure architectures aligned with SOC 2 and HIPAA standards Technology Stack Backend & Cloud Python TypeScript AWS Lambda API Gateway Step Functions EventBridge SQS / SNS Data & Infrastructure RDS DynamoDB S3 AWS Secrets Manager Terraform GitLab CI/CD Integrations & Compliance Salesforce REST API Salesforce Platform Events SOC 2 HIPAA Confluence Jira Responsibilities Backend Engineering & Integrations Build and maintain scalable serverless services on AWS Design and implement Salesforce-to-EventBridge integration patterns Develop secure architectures for client file transfer and data synchronisation Create reusable integration standards for event-driven and bulk-processing workflows Design and maintain RESTful APIs and asynchronous processing pipelines Migration & Platform Modernisation Rebuild selected Azure Functions and Azure Pipelines within AWS environments Support repository migration and CI/CD transition to GitLab Contribute to infrastructure and deployment automation using Terraform Engineering Quality & Delivery Participate in code reviews and maintain production-grade engineering standards Create and maintain technical documentation in Confluence Work within agile delivery processes including daily standups, sprint reviews, and retrospectives Collaborate closely with cloud engineers and platform stakeholders What We’re Looking For Required Skills & Experience 4+ years of backend engineering experience 2+ years working with AWS serverless technologies in production Strong commercial experience with Python and/or TypeScript Hands-on experience with: AWS Lambda API Gateway EventBridge SQS / SNS Step Functions Experience with RDS, DynamoDB, S3, and Secrets Manager Terraform experience focused on application-level infrastructure Experience integrating Salesforce APIs (REST and/or Platform Events) Strong understanding of REST APIs and event-driven architectures GitLab experience including CI/CD integration workflows Familiarity with SOC 2 and/or HIPAA compliance requirements Experience creating production-level technical documentation Nice to Have Azure Functions or Azure Pipelines migration experience Healthcare or medical-sector project background Experience with ETL / ELT or bulk data processing pipelines API test automation experience

🏢 Summary: Backend Engineer role focused on building production systems for AI agents, including backend services, APIs, and data pipelines for enterprise customers. The position involves designing reliable distributed systems, maintaining production services, and collaborating closely with cross-functional teams in a fully on-site Warsaw office environment. The company offers a modern AI-focused tech stack, B2B contract, stock options, and opportunities to contribute to open-source projects. 🗂️ Requirements: 3–5 years of experience building backend production systems, Strong Python skills, Understanding of distributed systems, Experience with AWS, GCP, or Azure, Knowledge of SQL and NoSQL databases, Database design experience, Security-focused approach to system design, Ability to manage projects from idea to production, Strong written and spoken communication skills, Experience using AI tools in software development, Ability to work fully on-site in Warsaw 📃 Skills: Python, AWS, GCP, Azure, SQL, NoSQL, AI, TypeScript, APIs, GitHub, Copilot, Codex, Claude 🏢 Description: Please note: This role requires working from our office in Warsaw city centre 5 days a week . This is a fully on-site position , and remote or hybrid work is not available . About us We believe that businesses are moving toward AI-powered work, and we are building a platform for this future. Many AI agents cannot handle complex business tasks. We created a platform that organizes company policies, workflows, and business knowledge into one AI data model. This helps AI agents make accurate decisions and deliver reliable results at scale. We already work with well-known enterprise customers such as Glovo, Nespresso, and HelloFresh. Our platform supports thousands of users and handles real production data. Customers trust us with important business knowledge because we provide a secure and reliable solution with SOC2, HIPAA-ready security practices, and strong integrations. Job description We are looking for a backend engineer with several years of experience who wants to take responsibility for real systems, not only complete assigned tasks. You will solve backend challenges, choose the best technical solutions, deliver new features, and support them in production. We are looking for someone with good technical skills, clear communication, and a desire to build systems that are simple, reliable, and easy to improve. You will help build production systems for AI agents, working on real problems for customers who already use our platform. The position is based in Warsaw and requires working from the office. Responsibilities Build backend services, APIs, data pipelines, and background processes for production systems. Turn business requirements into technical solutions and implementation plans. Monitor and maintain services after release, improving reliability, performance, and system monitoring. Design service interfaces and data models that fit well into the overall system. Create technical documentation and diagrams when they help the team. Work closely with product managers, frontend engineers, and platform engineers. Improve engineering processes using AI tools, automation, and better workflows. Help maintain high code quality through code reviews and design reviews. Requirements Around 3–5 years of experience building backend production systems. Strong Python skills and the ability to write clean and maintainable code. Good understanding of distributed systems, including concurrency, failures, data consistency, asynchronous processing, and service communication. Experience with cloud platforms such as AWS, GCP, or Azure, and knowledge of SQL, NoSQL, and database design. A security-focused approach when working with sensitive data and system design. Ability to manage projects from idea to production with increasing responsibility. Good written and spoken communication skills, with the ability to explain technical decisions clearly. Experience using AI tools as part of your daily software development work. Nice to have Experience with AI agents, orchestration, retrieval systems, tool calling, or LLM-based infrastructure. Knowledge of TypeScript or willingness to work across the full technology stack. Experience taking on more responsibility and learning quickly. What we offer B2B contract and company stock options. MacBook Pro. Modern technology stack and the opportunity to contribute to open-source projects. An AI-focused development environment with tools such as Claude Code, OpenAI Codex, and GitHub Copilot. Our values Our leadership team combines strong experience in AI, knowledge management, and enterprise SaaS. We have received more than $60 million in funding and have been recognized by Gartner as a Cool Vendor. Our work is guided by these values: Quality – We care about excellent work and high standards in everything we build. Momentum – We take initiative, share ideas, and keep moving forward. Accountability – We take responsibility for our work and give honest, respectful feedback. Hard work – We believe success comes from teamwork, dedication, and consistent effort. Learning agility – We stay curious, learn from mistakes, and continue improving. Adapt and thrive – We welcome change and see challenges as opportunities to grow. Win together – We work as one team, communicate openly, and support our shared goals.

🏢 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 Python Backend Developer role focused on building scalable, cloud-native backend systems using Python and FastAPI within GCP environments. The position involves designing containerized microservices, contributing to system architecture, and supporting CI/CD processes in a modern cloud ecosystem. Fully remote within Europe with collaboration on high-impact digital transformation projects. 🗂️ Requirements: Minimum 4 years of backend development experience with Python, Strong knowledge of GCP and cloud service architectures, Experience with FastAPI or similar Python frameworks, Experience with containerized environments, Solid understanding of microservices architecture, Experience designing and developing REST APIs, Proficient English (spoken and written), Legal right to work in Europe 📃 Skills: Python, FastAPI, GCP, Containers, Microservices, REST, CICD, React 🏢 Description: Ignite innovation — transform cloud-native backend solutions with Python mastery! Warszawa-based opportunity with remote work model, allowing up to 5 days per week from anywhere in Europe. As a Senior Python Backend Developer – Cloud & Container Experts , you will be working for our client, a leader in cloud computing and containerization technologies. Join a dynamic team dedicated to building scalable, resilient, and cutting-edge backend systems that power modern applications. This role offers a pathway to work on impactful projects at the forefront of digital transformation. Your main responsibilities: Design, develop, and optimize scalable backend services using Python and FastAPI within cloud environments. Implement containerized solutions leveraging Google Cloud Platform (GCP) and modern orchestration tools. Collaborate with cross-functional teams to deliver high-performance software solutions. Ensure code quality, performance, and security standards are maintained. Participate in continuous integration and deployment pipelines to streamline releases. Contribute to system architecture planning and best practices in cloud-native development. Troubleshoot and resolve production issues swiftly and efficiently. You're ideal for this role if you have: At least 4 years of experience in backend development with Python. Strong knowledge of GCP, containers, and cloud service architectures. Experience with FastAPI or similar frameworks. Previous full-stack experience is a plus; familiarity with React is advantageous. Solid understanding of microservices and RESTful API design. Ability to work independently in a remote environment and communicate effectively within international teams. It is a strong plus if you have: (optional) Additional certifications in cloud technologies or container orchestration. Experience with DevOps tools and CI/CD pipelines. Language Required for the role: Proficient command of English (spoken and written). 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: 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 Backend Developer role focused on building scalable, cloud-native backend services using Python and FastAPI in GCP environments. The position involves designing containerized microservices, contributing to CI/CD pipelines, and ensuring high performance, security, and reliability of production systems. It offers fully remote work within Europe on modern cloud and container-based architectures. 🗂️ Requirements: Minimum 4 years of backend development experience with Python, Strong knowledge of GCP and cloud service architectures, Experience with containers and orchestration tools, Experience with FastAPI or similar Python frameworks, Solid understanding of microservices architecture, Experience designing and implementing RESTful APIs, Experience with CI/CD pipelines, Proficient English (spoken and written), Legal right to work in Europe 📃 Skills: Python, FastAPI, GCP, Docker, Kubernetes, Microservices, REST, CI/CD, Cloud, Containers 🏢 Description: Warszawa-based opportunity with remote work model, allowing up to 5 days per week from anywhere in Europe. As a Senior Python Backend Developer – Cloud & Container Experts , you will be working for our client, a leader in cloud computing and containerization technologies. Join a dynamic team dedicated to building scalable, resilient, and cutting-edge backend systems that power modern applications. This role offers a pathway to work on impactful projects at the forefront of digital transformation. Your main responsibilities: Design, develop, and optimize scalable backend services using Python and FastAPI within cloud environments. Implement containerized solutions leveraging Google Cloud Platform (GCP) and modern orchestration tools. Collaborate with cross-functional teams to deliver high-performance software solutions. Ensure code quality, performance, and security standards are maintained. Participate in continuous integration and deployment pipelines to streamline releases. Contribute to system architecture planning and best practices in cloud-native development. Troubleshoot and resolve production issues swiftly and efficiently. You're ideal for this role if you have: At least 4 years of experience in backend development with Python. Strong knowledge of GCP, containers, and cloud service architectures. Experience with FastAPI or similar frameworks. Previous full-stack experience is a plus; familiarity with React is advantageous. Solid understanding of microservices and RESTful API design. Ability to work independently in a remote environment and communicate effectively within international teams. It is a strong plus if you have: (optional) Additional certifications in cloud technologies or container orchestration. Experience with DevOps tools and CI/CD pipelines. Language Required for the role: Proficient command of English (spoken and written). Eligibility for the role: Only candidates with an existing legal right to work in Europe will be considered for this role.

🏢 Summary: Backend Engineer role focused on building and scaling identity, authentication, and registration services using serverless AWS technologies. The position involves designing high‑traffic RESTful APIs, working with DynamoDB, and owning infrastructure as code within a TypeScript monorepo. You will collaborate in an Agile team to deliver secure, highly available multi‑region systems with strong automated testing practices. 🗂️ Requirements: Bachelor's Degree in Computer Science, Software Engineering, or equivalent, 3+ years professional experience as Backend Engineer, Strong proficiency in TypeScript and Node.js, Experience designing and building RESTful APIs for high-traffic systems, Hands-on experience with serverless architectures (AWS Lambda, API Gateway or equivalent), Experience with NoSQL databases, particularly DynamoDB, Ability to write unit, integration, and end-to-end tests, Experience with Git and monorepo workflows, Understanding of systems architecture, SOLID principles, distributed systems patterns, Experience working in Scrum/Agile frameworks 📃 Skills: TypeScript, Node.js, AWS, Lambda, MuleSoft, DynamoDB, REST, Jest, Cucumber, Pactum, Terraform, CI/CD, Git, NoSQL, API, SAST 🏢 Description: Emagine is seeking a skilled and passionate Backend Engineer to join an international team focused on building and scaling identity, authentication, and registration services that support millions of consumers across multiple markets, channels, and brands. This is a key role where you will contribute to the design and development of modern, cloud-native backend solutions, ensuring scalability, reliability, and high performance. You will play a critical role in designing and deploying serverless APIs, building integrations with third-party identity providers, and contributing to reusable backend components used across the platform. This position requires strong expertise in TypeScript and Node.js, experience with AWS serverless technologies, and a passion for clean code, automation, and scalable software architecture. Your Main Responsibilities: Design, develop, and deploy serverless APIs using AWS Lambda and MuleSoft gateways for authentication, consumer profiles, OTP, and event processing Develop clean, well-tested TypeScript code within a monorepo, contributing to shared libraries and product-specific services Design efficient data access patterns using DynamoDB for low-latency, high-throughput applications Build and maintain integrations with third-party identity and messaging providers Develop automated unit, integration, and contract tests using Jest, Cucumber, and Pactum Manage infrastructure as code using Terraform and deploy through CI/CD pipelines Participate in the Backend Community of Practice, sharing knowledge and contributing to backend engineering best practices Collaborate within a cross-functional Agile team to deliver high-quality software Continuously improve system architecture by addressing technical debt and implementing incremental refactoring Develop reusable internal libraries consumed by multiple teams across the platform You Bring: Bachelor's degree or higher in Computer Science, Software Engineering, or a related field 3+ years of professional experience as a Backend Engineer Strong proficiency in TypeScript and Node.js Experience designing and developing RESTful APIs for high-traffic applications Hands-on experience with serverless architectures (AWS Lambda, API Gateway, or similar) Solid experience with NoSQL databases, particularly DynamoDB Strong automated testing practices, including unit, integration, and end-to-end testing Experience using Git within monorepo workflows Good understanding of systems architecture, SOLID principles, and distributed systems Experience working in Scrum/Agile environments Strong analytical, problem-solving, and collaboration skills Nice to Have: Experience with Terraform or other Infrastructure as Code tools Familiarity with CI/CD pipelines, deployment automation, quality gates, and SAST scanning Experience with multi-region or multi-tenant architectures Knowledge of identity and authentication protocols Experience integrating third-party APIs Familiarity with event-driven architectures Experience with monitoring and observability tools Knowledge of feature toggles for progressive deployments Familiarity with schema validation approaches Experience with MuleSoft or similar API management platforms Location & Eligibility: Candidates must be based in Portugal H Full Remote About emagine: At emagine, we value diversity, inclusion, and equal opportunities. We believe that different perspectives drive innovation and create stronger teams, and we are committed to fostering an inclusive environment where everyone can thrive. We work with leading international clients on innovative and high-impact projects, offering opportunities to grow both professionally and personally. If you are interested in this opportunity, we encourage you to apply and be part of a dynamic and forward-thinking environment. To learn more about us, visit our website: www.emagine-consulting.com

🏢 Summary: The offer is for a Backend Engineer responsible for building and maintaining high-performance backend systems in a cloud-based environment using Java, Kubernetes, and AWS. The role focuses on developing containerized applications and operating them reliably in the AWS cloud. It is a long-term remote B2B contract centered on scalable and cloud-native technologies. 🗂️ Requirements: Proficiency in Java, Experience with JVM ecosystem and Spring Boot, Experience with Kubernetes and Docker, Hands-on experience with AWS services (Lambda, EC2, ECS, EKS), Basic knowledge of Terraform, Minimum 1-2 years of AWS or other cloud platform experience, Understanding of containerization concepts, Knowledge of Camunda or AWS Step Functions 📃 Skills: Java, Python, Spring, SpringBoot, Kubernetes, Docker, AWS, Lambda, EC2, ECS, EKS, Terraform, Angular, Camunda, StepFunctions, JVM 🏢 Description: Backend Engineer (Java/Kubernetes/AWS): Introduction & Summary: This role requires a skilled Backend Engineer proficient in Java with experience in Kubernetes and AWS. The ideal candidate will be responsible for developing and maintaining efficient backend systems that prioritize performance and reliability while leveraging cloud technologies. What we offer: Full Remote Rate: 180-200 PLN/ H+ VAT Long Term B2B contract Main Responsibilities: Develop and maintain backend systems, running in Kubernetes in the AWS cloud, with a focus on performance and reliability. Build and manage containerized applications using tools like Docker and Kubernetes. Utilize cloud services, particularly AWS, to deploy and operate applications efficiently. Key Requirements: Proficiency in Java is required, with additional experience in Python as a plus. Experience with the JVM ecosystem, especially Spring Boot. Familiarity with frontend technologies, particularly Angular. Solid understanding of containerization technologies, including Docker and Kubernetes. Hands-on experience with AWS cloud services like Lambda, EC2, ECS, and EKS. Basic Terraform knowledge is essential. Minimum of 1-2 years working with AWS or equivalent experience with other cloud platforms. Knowledge of business process modeling or workflow orchestration tools such as Camunda or AWS Step Functions. Nice to Have: Experience with CI/CD pipelines. Familiarity with microservices architecture. Understanding of Agile methodologies. Other Details: This position may offer remote work flexibility. The role is for a long-term assignment focusing on cloud-based technologies in a dynamic environment.

🏢 Summary: Senior Backend Engineer role focused on designing, building, and maintaining production backend systems and AI-driven workflows in a fully onsite Warsaw office environment. The position involves ownership of system architecture, APIs, distributed systems, and cloud infrastructure from design through production. Candidates will collaborate across teams, improve engineering processes with AI tools, and contribute to scalable, reliable solutions. 🗂️ Requirements: Strong experience as a senior backend engineer on production systems, Excellent Python programming skills, Understanding of distributed systems, Experience with AWS or Azure cloud platforms, Knowledge of SQL and NoSQL databases, Experience with asynchronous processing and service design, Ability to design and deliver systems from idea to production, Strong written and spoken communication skills, Regular use of AI development tools, Ability to work fully onsite in Warsaw 📃 Skills: Python, AWS, Azure, SQL, NoSQL, APIs, AI, TypeScript, GitHub, Copilot, Claude, OpenAI, Codex 🏢 Description: Please note: This role requires working from our office in Warsaw city centre 5 days a week . This is a fully on-site position , and remote or hybrid work is not available . About Us Many companies want to use AI agents, but these agents often struggle with real business tasks. We solve this problem by building a platform that helps AI understand business rules, workflows, and processes. This allows AI to make better decisions and provide accurate, reliable, and compliant results. Well-known companies from different industries use our technology to automate up to 85% of customer cases, reduce handling time by 20–25%, and complete tasks that used to take hours in just seconds. We also work with leading technology partners and have been recognized for our innovative approach. Our goal is to help people everywhere get better answers through AI. Job Description We are looking for a Senior Backend Engineer who can take ownership of important systems instead of only completing assigned tasks. You will solve complex problems, design backend solutions, build them, and make sure they run well in production. We want someone with strong technical skills, good communication, and the ability to create simple, reliable, and easy-to-maintain systems. This is a product engineering role with responsibility from system design to production. The position is based in Warsaw and requires office work. Responsibilities Design and develop backend services, APIs, data processing, and background tasks for production systems. Turn unclear business needs into clear technical plans and practical solutions. Maintain services after release by improving reliability, monitoring, performance, and fixing issues. Make good decisions about system architecture, data models, interfaces, and future scaling. Write technical documentation, architecture notes, and diagrams when they help the team. Work closely with product managers, frontend engineers, and platform engineers to deliver complete solutions. Improve development processes using AI tools, automation, and internal workflows. Support the team through code reviews, design reviews, and practical technical leadership. Requirements Strong experience as a senior backend engineer working on production systems. Excellent Python skills and the ability to write clean and maintainable code. Good understanding of distributed systems, including concurrency, failure handling, data consistency, asynchronous processing, and service design. Experience with cloud platforms such as AWS, Azure, or similar services. Knowledge of SQL, NoSQL databases, schema design, and performance optimization. Ability to take a project from an idea through design and implementation to production. Strong written and spoken communication skills with the ability to explain technical topics clearly. Regular use of AI tools in everyday development and interest in improving AI-based workflows. Nice to Have Experience with LLM-based applications, search systems, AI infrastructure, or large data pipelines. Knowledge of TypeScript or the ability to contribute to frontend development when needed. Experience guiding other engineers and influencing technical decisions without being a formal manager. What We Offer B2B contract and company stock options. MacBook Pro for work. Modern technology stack and opportunities to contribute to open-source projects. Access to advanced AI development tools, including GitHub Copilot, Claude Code, OpenAI Codex, TypingMind, and MCP servers. Our Culture and Values Our leadership team has strong experience in AI and knowledge management. We have secured more than $60 million in funding and achieved three years of continuous 3x growth. Our work is based on these values: Quality – We aim for excellent work and high coding standards. Momentum – We take initiative and keep projects moving forward. Accountability – We take responsibility and give honest, respectful feedback. Hard Work – We believe great results come from teamwork and consistent effort. Learning Agility – We stay curious, learn from mistakes, and improve every day. Adapt and Thrive – We accept change and see challenges as opportunities. Win Together – We succeed as one team through honesty, openness, and support for our shared mission.