Backend Developer (Security)

🏢 Summary: Backend Engineer role focused on building secure, high-performance microservices and scalable data pipelines in AWS environments. The position involves designing Python-based REST APIs, implementing enterprise-grade security standards, and orchestrating containerized and serverless infrastructure. The engineer will work on real-time security analytics integrations, encrypted communication channels, and identity management systems. 🗂️ Requirements: Bachelor's degree in Computer Science, Engineering or related field, 3+ years of backend engineering experience, Experience with distributed systems, Strong knowledge of network security principles, Knowledge of encryption standards, Understanding of enterprise data privacy, Experience designing RESTful APIs, Experience with microservices architecture, Experience with AWS cloud services, Experience with containerization and orchestration 📃 Skills: Python, REST, Microservices, AWS, DynamoDB, IAM, Lambda, APIGateway, Redis, Docker, Kubernetes, Helm, SAML, MFA, RBAC, Splunk, Spacebridge, Protobuf, WebSockets 🏢 Description: Location: Warsaw, Poland (Hybrid preferred, open to remote within Poland) Experience: 3+ years The Role We're looking for a Backend Engineer who thrives at the intersection of high-performance systems and enterprise-grade security. You will design and build scalable microservices that power secure data pipelines, orchestrating complex integrations between cloud-native backends and mobile frontends. This is not a routine maintenance role. You will shape how organizations consume operational intelligence — from defining API contracts to optimizing real-time data flows, all while ensuring that every packet of information is authenticated, authorized, and encrypted. What You'll Build and Own Resilient Backend Services — Develop Python-based RESTful APIs and microservices that handle sensitive telemetry with millisecond latency. Secure Connectivity Fabric — Architect and administer encrypted communication channels using Spacebridge technology, enabling seamless, VPN-free mobile access to on-premises data sources. Serverless & Containerized Infrastructure — Deploy and scale applications using AWS Lambda, API Gateway, and DynamoDB, while orchestrating container fleets with Kubernetes and Helm. Real-Time Intelligence — Integrate with security analytics platforms, building dashboards that transform raw network events into actionable threat intelligence. Identity & Access Management — Implement SAML 2.0 SSO, enforce multi-factor authentication, and manage role-based access control across distributed environments. Our Technology Stack Languages & Frameworks Python 3 for robust backend development RESTful API design and microservices architecture React for frontend collaboration (lightweight exposure) Cloud & Data (AWS) DynamoDB — NoSQL data modeling and performance optimization IAM — fine-grained policy enforcement and secure role management Lambda & API Gateway — serverless compute and API orchestration Caching & Performance Redis — in-memory caching, session storage, and high-availability clustering Container Orchestration Docker & Docker Compose — local development and multi-service environments Kubernetes — production-grade scaling and operations Helm — package management and cluster administration Security & Integration Expertise Splunk Secure Gateway & Spacebridge — administer encrypted, proxy-less tunnels between core data repositories and mobile endpoints Mobile Deployment — roll out mobile-optimized dashboards and real-time alerting for on-the-go stakeholders Next-Gen Firewall Integration — ingest and correlate network security events from advanced firewall management centers Network Analytics — manage SSL certificate lifecycles and configure webhook-based alert forwarding to HTTP Event Collectors Endpoint Visibility — integrate network visibility modules for deep endpoint security analytics What You'll Do Day-to-Day Design & Develop — architect scalable backend services that power secure, low-latency data pipelines Secure & Connect — implement and maintain encrypted communication flows, ensuring data privacy from core to edge Collaborate on Security — work alongside security teams to integrate threat detection and real-time discovery dashboards Operate at Scale — manage containerized deployments, optimize cloud resources, and fine-tune caching layers for peak performance Enable Mobility — ensure critical business metrics and alerts are securely accessible from any device, anywhere Nice-to-Have Protobuf for efficient binary serialization WebSockets for real-time bidirectional messaging Secure gateway solutions for on-premises web applications and remote access Deep understanding of DMZ architecture and secure network segmentation Qualifications Bachelor's degree in Computer Science, Engineering, or a related field 3+ years of backend engineering experience with a focus on distributed systems Strong grasp of network security principles, encryption standards, and enterprise data privacy

🏢 Summary: Mid to senior backend engineer role focused on designing and scaling enterprise-grade backend services and integrations using Node.js and cloud-native technologies. The position involves building high-performance APIs, optimizing databases, leading CI/CD and DevOps practices, and mentoring engineering teams in complex enterprise environments. Fully remote opportunity available as full-time or B2B. 🗂️ Requirements: Minimum 5+ years of backend development experience with Node.js, TypeScript, NestJS, Proven experience designing and scaling RESTful APIs and SOAP services, Advanced PostgreSQL administration including performance tuning, replication, partitioning, Strong experience with Git workflows and CI/CD pipelines, Hands-on experience with AWS services (EC2, EKS, Lambda, S3, RDS, CloudWatch, API Gateway), Solid knowledge of Kubernetes deployment and scaling, Experience with monitoring and observability tools, Experience with infrastructure as code tools, Bachelor’s degree in Computer Science, Software Engineering, or related field 📃 Skills: Node.js, TypeScript, NestJS, PostgreSQL, Citus, Patroni, TimescaleDB, REST, SOAP, Swagger, OpenAPI, Postman, Git, GitHub, GitLab, GitHubActions, Jenkins, SonarQube, ESLint, Prettier, AWS, EC2, EKS, Lambda, Fargate, S3, RDS, CloudWatch, APIGateway, Docker, Kubernetes, Helm, Splunk, Prometheus, Grafana, Spinnaker, ArgoCD, AzureDevOps, Terraform, CDK 🏢 Description: We are seeking a mid to senior level engineer with deep expertise in backend engineering, cloud-native architecture, and enterprise system integration. Key Responsibilities Design, develop, and maintain enterprise-grade backend services using Node.js, TypeScript, and NestJS . Architect and implement high-performance REST and SOAP APIs for complex enterprise integrations. Optimize PostgreSQL databases for high availability, partitioning, replication, and performance tuning. Define and enforce secure coding practices, design patterns, and architectural principles . Collaborate with DevOps, frontend, QA, and product stakeholders to ensure seamless integration and delivery. Troubleshoot production issues, enhance reliability, and implement performance tuning at scale. Lead code reviews, enforce coding standards , and integrate quality gates in CI/CD pipelines. Mentor client engineering teams, contribute to technical strategy and architecture decisions . Integrate external systems, tools, and services to extend backend capabilities. Provide continuous innovation by adopting cloud-native, serverless, and emerging backend technologies . Required Qualifications Minimum 5+ years of backend development experience with Node.js, TypeScript, and NestJS. Proven expertise in designing and scaling RESTful APIs and SOAP services for enterprise-grade systems. Advanced proficiency in PostgreSQL administration (performance tuning, replication, partitioning). Strong experience with Git workflows, CI/CD pipelines, and automated quality controls . Deep understanding of cloud-native architectures and serverless implementations . Hands-on experience with AWS services (EC2, EKS, Lambda, S3, RDS, CloudWatch, API Gateway). Solid knowledge of Kubernetes (deployment, scaling, troubleshooting). Experience mentoring teams and driving technical leadership in multi-stakeholder environments . Expertise with Splunk (monitoring, dashboards, alerting). Familiarity with Spinnaker or advanced deployment pipelines . Education Bachelor’s degree in Computer Science, Software Engineering, or related field (required). Master’s degree preferred but not mandatory. Technology / Systems Expertise Node.js + NestJS + TypeScript – backend framework. PostgreSQL with advanced extensions (Citus, Patroni, TimescaleDB). Swagger / OpenAPI + Postman – API documentation & testing. GitHub / GitLab + GitHub Actions / Jenkins – version control & CI/CD automation. SonarQube, ESLint, Prettier – code quality enforcement. AWS (EC2, EKS, Lambda, Fargate, S3, RDS, CloudWatch, API Gateway) – cloud & serverless stack. Docker + Kubernetes (EKS) + Helm – containerization & orchestration. Splunk, Prometheus, Grafana – monitoring & observability. Spinnaker / ArgoCD/ Azure Devops – automated deployment pipelines. Terraform / AWS CDK – infrastructure as code. Skills & Capabilities Demonstrated expertise in backend architecture and scalable API design . Advanced database optimization & high availability strategies . Strong proficiency in CI/CD, GitOps, and DevOps integration . Hands-on experience in cloud-native and Kubernetes-based deployments . Proven ability to mentor engineers, lead architecture decisions, and drive best practices . All our positions are Remote and are available as Full Time Employment or B2B Contracts.

🏢 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: The offer is for a Java Backend Developer role focused on building and maintaining microservices-based systems using Java and Spring technologies. The position involves developing REST APIs, working with containerized applications, and contributing to Agile delivery processes. The role centers on backend engineering, technical design, and collaboration within cross-functional teams. 🗂️ Requirements: Minimum 3+ years professional experience in backend development, Proficiency in Java 8+, Strong experience with Spring Boot and Spring technologies, Experience building microservices, Experience working with REST APIs, Knowledge of HTTPS, SFTP, REST and SOAP protocols, Understanding of microservices architecture and containerization, Experience with Kafka, Experience with Git and GitHub, Experience with Maven and Jenkins, Experience with MySQL and SQL databases, Familiarity with Linux, Experience working in Agile/Scrum environments 📃 Skills: Java, Spring, SpringBoot, REST, Microservices, Kafka, HTTPS, SFTP, SOAP, Linux, Git, GitHub, Maven, Jenkins, Jira, MySQL, SQL, Containerization, Agile 🏢 Description: Job Description: We are looking for skilled Java Backend Developers with strong experience in Java, Spring technologies, and microservices architecture. The ideal candidate will have hands-on expertise in backend development, REST APIs, containerized applications, and Agile delivery environments. Qualifications: Minimum 3+ years of relevant professional experience Proficiency in Java 8+, REST APIs, Spring Boot, and Spring technologies Experience in building microservices and working with Kafka Solid understanding of HTTPS, SFTP, REST API, and SOAP protocols Familiarity with Linux operating systems Strong understanding of microservices architecture and containerization Knowledge of Agile frameworks and principles Experience with Git/GitHub, GitHub Actions, Maven, Jenkins, and Jira Competence with MySQL and SQL databases Strong analytical and problem-solving skills Excellent written and verbal communication skills Ability to collaborate effectively with Product, QA, DevOps, and Agile/Scrum teams Mandatory Skills: Java (Spring) REST APIs Spring Boot and Spring Technologies HTTPS, SFTP, REST API, and SOAP protocols Microservices architecture and containerization Git/GitHub, GitHub Actions, Maven, Jenkins, Jira MySQL and SQL databases Desired Skills: Strong analytical and troubleshooting abilities Excellent communication skills Team collaboration experience within Agile/Scrum environments Roles & Responsibilities: Contribute to technical design and engineering activities Develop strong domain expertise within the project Analyse functional and technical requirements Support architecture and design discussions Collaborate with Architecture and Business teams Participate in development, design, code reviews, and implementation Follow engineering best practices and support continuous improvement initiatives Out of Scope: Creating product requirements Acting as Scrum Master or Product Owner Project Details: Primary focus is on Java backend development.

🏢 Summary: The offer is for a Senior Fullstack Developer responsible for designing, developing, and optimizing scalable web applications with a strong focus on Java-based back-end systems and React/Next.js front-end solutions. The role involves building and maintaining APIs, integrating third-party services, managing databases, and ensuring application security and performance. It includes collaboration with cross-functional teams and contributing to high-quality, secure, and well-documented systems. 🗂️ Requirements: At least 4 years of experience in similar position, Proficiency in Java server-side programming, Strong understanding of React and Next.js core principles, Experience with React Router, Hooks, Redux or similar state management, Experience with MySQL, PostgreSQL or MongoDB, Proven experience in building scalable web applications, Experience in back-end development, English level B2 or higher 📃 Skills: Java, React, Next.js, Redux, JavaScript, MySQL, PostgreSQL, MongoDB, Git, REST, API, Docker, NodeJS, AWS, Azure, GCP 🏢 Description: Tasks: Designing, developing, and maintaining the server-side logic of web applications. Implementing scalable and efficient server-side components and APIs. Build React/Next.js based applications. Working with relational and/or NoSQL databases to store and retrieve data efficiently. Designing and optimizing database schemas for performance and scalability. Integrating third-party APIs and web services to enhance application functionality. Developing custom APIs to facilitate communication between front-end and back-end systems. Implementing security best practices to protect against common web application vulnerabilities. Conducting regular security audits and implement necessary measures. Optimization: optimizing server-side code for maximum speed and scalability. Monitoring and troubleshooting performance issues. Collaborating with front-end developers, UI/UX designers, and other team members to ensure seamless integration of components. Using version control systems (e.g., Git) to manage and track changes to the codebase. Conducting thorough testing of server-side components to identify and fix bugs. Collaborating with QA engineers for comprehensive testing. Clear and comprehensive documentation for back-end systems and APIs. Requirements: At least 4 years of experience in a similar position. Proficiency in Java server-side programming. Thorough understanding of React/Next.js core principles along with React router, hooks, Redux (or the like) workflows, Web performance and security. Experience with database systems (e.g., MySQL, PostgreSQL, MongoDB). Proven experience in back-end development and building scalable web applications. Familiarity with cloud platforms (e.g., AWS, Azure, GCP) is a plus. Previous experience in Front-end development with Docker is plus. Experience with NodeJS is a plus. Strong analytical and problem-solving skills with attention to detail. Effective communication skills to collaborate with cross-functional teams. Ability to adapt to changing project requirements and technologies. English at least B2. Offer: Stable employment. On the market since 2008, 1500+ talents currently on board in 7 global sites. “Office as an option” model. You can choose to work remotely or in the office. Great Place to Work® certified employer. Flexibility regarding working hours and your preferred form of contract. Comprehensive online onboarding program with a “Buddy” from day 1. Cooperation with top-tier engineers and experts. Unlimited access to the Udemy learning platform from day 1. Internal Gallup Certified Strengths Coach to support your growth. Certificate training programs. Lingarians earn 500+ technology certificates yearly. Upskilling support. Capability development programs, Competency Centers, knowledge sharing sessions, community webinars, 110+ training opportunities yearly. Grow as we grow as a company. 76% of our managers are internal promotions. A diverse, inclusive, and values-driven community. Autonomy to choose the way you work. We trust your ideas. Create our community together. Refer your friends to receive bonuses. Activities to support your well-being and health. Plenty of opportunities to donate to charities and support the environment. Modern office equipment. Purchased for you or available to borrow, depending on your location.

🏢 Summary: Senior Software Engineer responsible for defining technical standards and architecture, leading backend and frontend development, and ensuring secure, scalable, and observable solutions. The role drives CI/CD, enterprise integrations, and production support while aligning engineering practices with product and operations goals. 🗂️ Requirements: Proven experience defining technical standards and architecture, Experience with CI/CD orchestration, Experience with observability implementation, Experience implementing on-premises, hybrid, and cloud solutions, Experience leading backend and frontend architectural decisions, Experience maintaining CI/CD pipelines, Experience coordinating enterprise integrations, Knowledge of DDD and clean architecture, Expertise in Java and Spring Boot, Expertise in Python and FastAPI, Expertise in React or Angular, Experience with L2/L3 production support, Experience with Spring Security and OAuth 📃 Skills: Java, SpringBoot, Python, FastAPI, React, Angular, CICD, Observability, ServiceNow, Jira, Boomi, DDD, OAuth, SpringSecurity 🏢 Description: To strengthen the team, we are seeking a person for the role of Senior Software Engineer, responsible for defining technical standards and architecture, guiding the development team, ensuring quality practices, security, and CI/CD, and collaborating with product and operations in delivering scalable, business-aligned solutions. Main Responsibilities Define technical standards, architecture, and development practices, ensuring quality, security, performance, and resilience in production environments. Orchestrate end-to-end delivery with CI/CD and observability while promoting responsible autonomy among teams aligned with product and operational objectives. Implement on-premises, hybrid, and cloud solutions with security best practices, observability, and integration with existing systems. Lead architectural decisions in backend and frontend (Java/Spring Boot, Python/FastAPI, React/Angular), ensuring scalability, consistent testing and code reviews. Implement and maintain end-to-end CI/CD pipelines and observability (logs, metrics, distributed tracing). Coordinate enterprise integrations (ServiceNow, Jira, CRMs) and iPaaS (e.g., Boomi), including mapping, validation, and compliance. Apply practices such as DDD, clean architecture, application security, and secrets/IAM management throughout the development lifecycle. Provide technical guidance to the team, elevate quality standards, and align practices with product and operations. Lead L2/L3 support in production: incident triage and resolution, prevention escalation (on call), SLA management, and conducting post-mortems focused on root causes and corrective actions. Operate and evolve applications in on-premises, hybrid, or cloud environments: VMs, networks, VPNs, certificates, Nginx/reverse proxy, load balancing, and enhancing the security of exposed services. Key Requirements Proven ability to define technical standards, architecture, and development practices. Experience with CI/CD orchestration and observability practices. Knowledge of implementing on-premises, hybrid, and cloud solutions with security best practices. Leadership in architectural decisions for backend and frontend technologies. Experience with maintaining CI/CD pipelines and end-to-end observability. Ability to coordinate enterprise integrations and ensure compliance. Mastery of practices such as DDD and clean architecture. Technical expertise in Java/Spring Boot, Python/FastAPI, React/Angular. Experience in providing L2/L3 technical support and leading incident resolution. Expertise in security practices, including Spring Security and OAuth. Nice to Have Experience with Docker, Kubernetes, and cloud environments (Azure/AWS/GCP). Background in data management with PostgreSQL, MongoDB, and Redis. Familiarity with AI models, particularly RAG. Knowledge in security access management and policies based on the principle of least privilege.

🏢 Summary: The role involves building and scaling backend services for content discovery, licensing, and delivery platforms using Java and modern backend technologies. You will design RESTful APIs, implement event-driven systems, and model data to support analytics and reporting. The position focuses on clean architecture, scalable systems, and cloud-based deployments within the AWS ecosystem. 🗂️ Requirements: 5+ years backend development experience, Strong proficiency in Java, Experience with Spring Boot and Spring Framework, Experience designing and consuming REST APIs, Experience with Kafka or other streaming platforms, Strong knowledge of relational databases, Ability to write optimized SQL queries, Experience with GraphQL, Exposure to Python or willingness to learn 📃 Skills: Java, Spring, SpringBoot, REST, Kafka, SQL, GraphQL, Python, AWS, Aurora, DynamoDB, DBT, Databricks, Snowflake, Docker, Kubernetes, Node.js, TypeScript 🏢 Description: We're seeking a Software Java Engineer with 5+ years of experience to help build and scale the backend services that power our content discovery, licensing, and delivery platforms across all of our content libraries. You'll join a team that's passionate about clean architecture, performance, and solving complex challenges at scale. If you thrive in a collaborative environment and love building robust APIs, data-driven systems, and data modeling we'd love to hear from you. What You'll Do: Design, implement, and maintain backend services using Java, Spring Boot, and the broader Spring ecosystem. Build and evolve RESTful APIs that power content metadata, search, recommendation, and licensing workflows. Work with Kafka to build event-driven and real-time processing systems. Use SQL and work with relational databases to support structured content metadata. Partner with data and analytics teams to model data in data warehouses, supporting reporting and analytics use cases. Build and maintain DBT models to transform raw data into clean, usable datasets. Leverage the AWS ecosystem for service deployment, data storage, and pipeline orchestration. Contribute to technical discussions, system design, and code reviews. Requirements: 5+ years of professional backend development experience. Strong proficiency in Java, with experience using Spring Boot and Spring Framework. Experience designing and consuming REST APIs. Familiarity with Kafka or other message streaming platforms. Solid understanding of relational databases and writing optimized SQL. Comfortable working with GraphQL. Exposure to Python or willingness to learn. A collaborative mindset with strong communication skills. A passion for clean code, scalable systems, and continuous learning. Nice-to-Have: Practical experience working with data warehouses and DBT for data transformation and modeling. Hands-on experience working with the AWS ecosystem (especially Aurora/Dynamo DB). Experience working with Node.js and/or Typescript. Knowledge of containerization and orchestration (Docker, Kubernetes). Experience with Databricks/Snowflake. Background in building systems for search, metadata enrichment, or digital asset management. We offer: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits

🏢 Summary: Backend Developer role focused on designing and building scalable, cloud-based applications using Java and Spring Boot in a microservices architecture. The position involves developing and deploying distributed, event-driven services on Azure using modern containerization and API technologies. The offer emphasizes building reliable, high-quality backend systems with up-to-date cloud-native practices. 🗂️ Requirements: Strong Java development experience, Experience with Spring Boot, Experience with microservices architecture, Experience with cloud-native applications, Familiarity with Azure, Knowledge of Kafka or similar messaging systems, Understanding of GraphQL or REST APIs, Experience with Docker, Experience with Kubernetes 📃 Skills: Java, Spring, SpringBoot, Microservices, Azure, Kafka, GraphQL, REST, Docker, Kubernetes 🏢 Description: We are seeking a talented Backend Developer to join our team, contributing to the design and development of modern, cloud-based applications. The role focuses on building scalable and maintainable services using up-to-date technologies and best practices. Key Responsibilities: Develop and maintain backend services using Java and Spring Boot . Build and support microservices solutions for distributed systems. Work with cloud platforms such as Azure , including event-driven architectures. Implement and consume APIs using GraphQL or REST. Package and deploy applications using Docker and Kubernetes . Collaborate with team members to deliver reliable, high-quality software. Required Skills & Experience: Strong background in Java development with Spring Boot . Experience with microservices and cloud-native applications. Familiarity with Azure , Kafka , or similar messaging/event systems. Understanding of API design ( GraphQL /REST). Practical experience with containerization ( Docker , Kubernetes ). Nice to Have: Knowledge of CI/CD practices and automated deployments. Experience with monitoring, logging, or observability in distributed systems.

🏢 Summary: Long-term remote B2B contract for a Backend Engineer responsible for building and maintaining high-performance backend systems in Java, deployed on Kubernetes within AWS. The role focuses on developing containerized applications and leveraging cloud services to ensure scalability and reliability. Work involves JVM-based technologies and cloud-native architecture. 🗂️ Requirements: Proficiency in Java, Experience with Spring Boot and JVM ecosystem, Hands-on experience with AWS services (Lambda, EC2, ECS, EKS), Minimum 1–2 years of experience with AWS or other cloud platforms, Strong knowledge of Docker and Kubernetes, Experience building and managing containerized applications, Basic knowledge of Terraform, Knowledge of Camunda or AWS Step Functions 📃 Skills: Java, Spring, JVM, AWS, Lambda, EC2, ECS, EKS, Kubernetes, Docker, Terraform, Camunda, StepFunctions, Angular, Python 🏢 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. German languages 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: 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.