Senior Ruby Developer

🏢 Summary: Full-time Senior Software Engineer role focused on backend development and system integrations for a large-scale job platform. The position involves API integrations, client and partner migrations, and backend services supporting UI applications, with overlap until 19:00–20:00 CET. The role emphasizes independent work on platform transitions and distributed systems. 🗂️ Requirements: Strong Java backend development experience, Experience building and integrating APIs, Experience with Kafka or other messaging/event streaming systems, Experience with MySQL or other relational databases, Experience with NoSQL databases (e.g., DynamoDB), Experience with system integrations or platform migrations, Ability to develop backend services supporting UI applications, Ability to work independently and proactively 📃 Skills: Java, Kafka, MySQL, DynamoDB, SQL, NoSQL, APIs, AWS 🏢 Description: Svitla Systems Inc. is looking for a Senior Software Engineer for a full-time position (40 hours per week) in Europe. Our client is one of the world’s largest and fastest-growing job sites. Overlap till 19:00 - 20:00 CET. Requirements Strong Java backend development experience. Experience building and integrating APIs. Experience with Kafka or other messaging/event streaming systems. Experience with MySQL or other relational databases. Experience working with NoSQL databases (e.g., DynamoDB). Experience working on system integrations or platform migrations. Ability to work on backend services that support UI applications. Work independently, take proactive steps, not just execute on steps. Nice to have Experience with AWS (especially DynamoDB or cloud-native services). Some AI tools experience - Optional, not required. Responsibilities Client and partner migrations, codebase transitions, and integrating systems through API calls. Perform client-side migrations, including: Updating API calls (old → new system), working across multiple client codebases, supporting pipeline / ramp issues. We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

🏢 Summary: Full-time Senior Java Engineer role supporting a large-scale digital marketing platform’s core backend, messaging, queues, and REST APIs. The position follows EST hours and includes a 24/7 on-call rotation every three weeks, including weekends. 🗂️ Requirements: 6+ years of commercial Java engineering experience, 6+ years developing large-scale applications, Experience with distributed systems, Experience with multithreading, Expert SQL knowledge, Strong Kubernetes experience, Knowledge of Cassandra, Knowledge of AWS SQS, S3, CloudFormation, and Lambda, Knowledge of Jenkins, Experience with OTEL and Grafana, Familiarity with AI agents, Upper-intermediate English or higher, Availability for EST working hours, Participation in 24/7 on-call rotation, including weekends 📃 Skills: Java, SQL, Kubernetes, Cassandra, AWS, SQS, S3, CloudFormation, Lambda, Jenkins, OTEL, Grafana, AI 🏢 Description: The Opportunity Svitla Systems Inc. is looking for a Senior Java Engineer for a full-time position (40 hours per week) in Europe. Our client is a digital marketing company that offers email marketing, social media marketing, event marketing, and online survey tools to help organizations expand their businesses by fostering stronger customer relationships. General info on the Big Delivery Team: handles all back-end systems, message processing, queuing, REST API apps, and messaging apps. Sometimes the whole team can handle incidents in the prod environment, and developer engagement will be needed. On-call rotation: once every 3 weeks; availability outside US business hours; 24/7 on-call, so weekends are also covered. Working hours: EST working hours (from 9 am EST). Requirements: 6+ years of commercial experience in developing large-scale applications. Proven experience in distributed systems and multi-threading. 6+years of commercial experience as a Java Engineer with successful project implementations. Expert knowledge of SQL. Strong experience with Kubernetes. Knowledge of Cassandra. Strong understanding of the following AWS services: SQS, S3, CloudFormation, Lambda. Knowledge of  Jenkins. Experience with observability tools such as OTEL and Grafana. Familiarity with AI; understanding of how to run and work with agents. Upper-intermediate English or higher. Nice to have: Some experience with DevOps and/or SRE, since they're expected to do a bit of everything here. Domain knowledge of email, SMS, push, etc. Experience with Quarkus and Ruby. Knowledge of RabbitMQ and ZooKeeper. Knowledge of AWS EKS and CloudWatch. Experience with CI/CD: Argo. Experience with HyperDX. Familiarity with JUnit, RSpec. Familiarity with JavaScript. Familiarity with DynamoDB. Responsibilities: Perform the development of the core back-end platform that supports multiple apps in the customer’s ecosystem. Participate in on-call rotations to ensure stable infrastructure support. Provide development of RESTful APIs. Be actively involved in team meetings and product discussions.

🏢 Summary: Full-time Senior Backend Developer role building a modern, large-scale enterprise platform for a global manufacturing customer. The position focuses on Node.js/TypeScript backend services, REST APIs, enterprise integrations, database design, and secure, scalable application delivery, with planned work through December 2026 and a possible extension to February 2027. 🗂️ Requirements: 7+ years of software development experience, 5+ years of Node.js backend development experience, TypeScript and JavaScript proficiency, RESTful API design and development knowledge, Enterprise-scale web application development experience, Software architecture and design patterns knowledge, Relational database experience, Secure coding and application security knowledge, Agile development experience, Advanced English, Availability for business trips to Basel, Switzerland 📃 Skills: Node.js, TypeScript, JavaScript, REST, PostgreSQL, SQL, Agile 🏢 Description: Svitla Systems Inc. is looking for a Senior Backend Developer (Node.js) for a full-time position (40 hours per week) in Europe . Our client is a leading multinational company in the building materials industry. You'll join the implementation of a large-scale enterprise web application for a global manufacturing customer. The project focuses on developing and implementing a modern enterprise platform that will replace an existing business application used across multiple countries. The backend solution will be built using modern technologies and integrated with various enterprise systems to support business-critical processes. The project's planned end date is December 18, 2026, with a possible extension to February 01, 2027. Requirements 7+ years of experience in software development. 5+ years of experience developing backend applications using Node.js. Strong knowledge of TypeScript and JavaScript. Understanding of designing and developing RESTful APIs. Experience with enterprise-scale web application development. In-depth understanding of software architecture principles and design patterns. Knowledge of relational databases (PostgreSQL, SQL Server, or similar). Understanding of secure coding practices and application security principles. Experience working in Agile software development environments. Strong analytical and problem-solving skills. Advanced English. Availability for business trips to Basel, Switzerland, during key project phases (Kick-off, end of Concept Phase, and Go-Live readiness review). Responsibilities Develop scalable backend services using Node.js and TypeScript. Implement RESTful APIs and backend business logic for enterprise web applications. Collaborate with architects to define technical solutions and application architecture. Participate in technical design sessions and solution discussions. Integrate backend services with internal and third-party enterprise systems. Design and optimize database structures, queries, and data models. Ensure application performance, scalability, reliability, and security. Write clean, maintainable, and well-tested code following engineering best practices. Participate in code reviews. Collaborate closely with Front End Developers, QA Engineers, Business Analysts, and DevOps Engineers. Participate in Agile ceremonies including sprint planning, daily stand-ups, reviews, and retrospectives. We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

🏢 Summary: Senior Ruby on Rails Developer role focused on building and evolving a cloud-ready product into a scalable, distributed system. The position involves designing architecture, developing core services and APIs, and driving Kubernetes-based deployments with CI/CD automation. You will influence engineering standards and contribute production-ready code in a greenfield development environment. 🗂️ Requirements: 5+ years of software engineering experience, Senior-level Ruby on Rails expertise, Experience building and scaling distributed systems, Knowledge of Kubernetes, Experience with CI/CD pipelines, Experience with Infrastructure as Code, Strong API design skills, Experience with microservices communication, Ability to lead architectural initiatives, Mentoring experience for engineers 📃 Skills: Ruby, Rails, Kubernetes, CI/CD, IaC, API, Microservices, DistributedSystems 🏢 Description: We are looking for an experienced Senior Ruby on Rails Developer to join the team responsible for development of the product, which is evolving into a modern, cloud‑ready solution. In this role, you will have opportunity to influence architectural decisions, contribute production‑ready code, and collaborate closely with cross‑functional teams. Your daily responsibilities: Build and improve core platform services and APIs Design scalable, distributed system architecture Implement and optimize key components in the codebase Set engineering standards for reliability and maintainability Drive deployments using Kubernetes and CI/CD automation Collaborate across teams to align technical and product goals. Requirements: 5+ years of software engineering experience, including senior‑level work Strong proficiency in Ruby on Rails Experience building and scaling distributed systems Solid knowledge of Kubernetes, CI/CD, and IaC Strong skills in API design and microservice communication Ability to lead architectural initiatives and mentor other engineers. What we offer: Attractive salary and benefits package, including Multisport card, insurance, and medical care Hybrid work from the Krakow office International work environment in a product company Training and development opportunities within the organization Joining the greefield project with pure development. Apply now!

🏢 Summary: Full-time Senior Back End Python Developer role focused on building and maintaining scalable, high-quality web applications in a cloud-based environment. The position involves designing, developing, and optimizing backend services while collaborating in Agile squads. The tech stack includes modern Python frameworks, cloud infrastructure, CI/CD pipelines, and containerized deployments. 🗂️ Requirements: 5+ years backend development experience with Python, Experience with Python frameworks, Strong understanding of web development lifecycle, Experience working in Agile methodologies, Ability to design, develop, deploy, and maintain scalable applications 📃 Skills: Python, Django, SQLAlchemy, Celery, RabbitMQ, OpenAPI, PostgreSQL, Redis, React, TypeScript, Playwright, GitHub, Actions, Azure, Pipelines, Kubernetes, Terraform, Heroku, GCP 🏢 Description: Svitla Systems Inc. is looking for a Senior Back End Python Developer for a full-time position (40 hours per week) in Poland. Our client is a leading global provider that gathers information and reports to enhance the environmental and social impacts on the business. This role is perfect for someone who thrives in building scalable, high-quality applications. Tech Stack Backend: Python, Django + SQLAlchemy, Celery + RabbitMQ, OpenAPI; DB: PostgreSQL, Redis; Frontend: React + TypeScript, OpenAPI, Playwright; CI/CD: GitHub Actions, Azure Pipelines; Infrastructure: k8s+Terraform, Azure, Heroku, GCP. Requirements 5+ years of experience in backend with Python and its frameworks. Comprehensive understanding of the web development process: design, development, deployment, and maintenance. Exceptional problem-solving skills and attention to detail. Experience with Agile development methodologies. The ability to plan, track, and ensure timely delivery Strong English communication and interpersonal skills to effectively collaborate within squads. Nice to have Experience with Java, C++, C#, Rust, Ruby, and Go. Experience in frontend development with React and TypeScript. The ability to manage development projects from conception to completion. Responsibilities Design, develop, and maintain applications collaborating within cross-functional squads such as engineers, designers, and product managers. Actively participate in squad meetings to define, design, and ship new features, ensuring alignment with project goals and timelines. Ensure the performance, quality, and responsiveness of applications, leveraging cross-functional expertise to address complex challenges. Identify bottlenecks, fix bugs, and contribute to improving code quality and test automation within a team-oriented environment. Collaborate with the team to share knowledge and foster a culture where everyone can learn and grow together. Keep abreast of emerging trends and technologies in web development, sharing knowledge and insights with cross-functional teams to drive innovation. We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

🏢 Summary: Full-time Senior Full Stack Engineer role focused on building and maintaining scalable backend services with .NET and Java/Kotlin, and contributing to frontend development with Angular. The position involves designing secure APIs, driving UI architecture, and working within Agile teams to deliver commercial software products. Approximately 20–30% of the role is dedicated to frontend development. 🗂️ Requirements: 5+ years of commercial software development experience, Strong experience with .NET (C#) backend development, Strong experience with Java or Kotlin backend development, Hands-on experience with Kotlin in backend environments, Knowledge of Angular and TypeScript, Experience designing and working with RESTful APIs and SOAP APIs, Understanding of backend architecture, performance, security, scalability, Knowledge of Azure Cloud and application deployment, Familiarity with Azure DevOps and CI/CD processes, Experience with modern web development practices, Experience working in Agile/Scrum environments, Bachelor’s degree in Computer Science or equivalent experience, Strong English communication skills 📃 Skills: .NET, C#, Java, Kotlin, Angular, TypeScript, REST, SOAP, Azure, AzureDevOps, CI/CD 🏢 Description: Svitla Systems Inc. is looking for a Senior Full Stack Engineer with .NET, Java, and Angular for a full-time position (40 hours per week) in Europe. Our client is a leading global provider that gathers information and reports to enhance the environmental and social impacts on the business. A Senior Engineer must have strong backend expertise in .NET and Java/Kotlin, as well as frontend experience in Angular. Requirements: 5+ years of commercial experience in software development. Strong experience with .NET (C#) and Java/Kotlin backend development. Hands-on experience with Kotlin in backend environments. Knowledge of Angular and TypeScript. Understanding of designing and working with RESTful APIs and SOAP APIs. Solid understanding of backend architecture, including performance, security, and scalability. Knowledge of Azure Cloud, including deployment and scaling of applications. Familiarity with Azure DevOps and CI/CD processes. Strong understanding of modern web development practices. Experience working in Agile/Scrum environments. Strong communication skills in English. Bachelor’s degree in Computer Science or equivalent experience. Responsibilities: Work within an Agile team to design, estimate, develop, test, and deliver commercial software products. Develop and maintain backend services using .NET and Java/Kotlin. Design and implement secure, scalable RESTful APIs and services. Contribute to frontend development using Angular and TypeScript (~20–30%). Drive UI architecture and develop reusable UI components. Ensure best practices and design guidelines for UI and backend development. Write clean, maintainable, and efficient code for both client-side and server-side applications. Develop unit and integration tests; collaborate with QA to resolve issues. Collaborate with Product Owners and stakeholders to refine requirements and user stories. Contribute to project estimation, planning, timelines, and status updates. Provide technical guidance and mentorship where needed. We offer: US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

🏢 Summary: Full-time Senior Full Stack Engineer role focused on building and enhancing a SaaS marketplace platform hosted on AWS, using React and JavaScript technologies. The position involves developing complex back-end logic and contributing to a global engineering team. The role requires overlap with CET working hours and emphasizes high-quality, test-driven development. 🗂️ Requirements: 6+ years of full-stack development experience, 4+ years of experience with Node.js and/or Python, 4+ years of experience with React, Strong knowledge of JavaScript and TypeScript, Experience with ES6, Ability to write standards-compliant HTML and CSS, Experience with Test Driven Development, Familiarity with Git, Knowledge of Linux or Unix-based systems, Experience with RESTful web services 📃 Skills: React, JavaScript, TypeScript, Node.js, Python, HTML, CSS, TDD, Git, Linux, Unix, REST, AWS, ES6 🏢 Description: Svitla Systems Inc. is looking for a Senior Full Stack Engineer with React and JavaScript for a full-time position (40 hours per week) in Europe. Our client is a leading on-site work marketplace seeking creative and skilled developers to join the global engineering team. The mission is to design and develop technology that improves users' lives while providing an exceptionally high level of service. The cutting-edge technology SaaS solution hosted on AWS that enables today's and tomorrow’s Gig economy. Overlap till 7 pm CET. Requirements: 6+ years of experience in full-stack development. 4+ years of experience with Node.js and/or Python, React. Strong knowledge of JavaScript/TypeScript, ES6, and React. Understanding of writing clean, standards-compliant HTML and CSS. Strong focus and experience in Test Driven Development. Familiarity with the Git version control system. Knowledge of Linux or other Unix-based systems (Ubuntu/Debian is a plus). Understanding of web services-based solutions (REST specifically). Strong written and verbal communication skills. Ability to work well with others as part of a team and across teams. Ability to break down more significant initiatives into manageable pieces. Upper-intermediate level of English. Nice to have: Experience with Preprocessor (LESS/Sass). Experience working with offshore teams. Experience with React-native. Responsibilities: Participate in developing a feature connected with complex back-end logic for the client-worker part. Take part in team meetings, including daily stand-ups and backlog refinement sessions. Provide code refactoring when needed. We offer: US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

🏢 Summary: Full-time Senior Java Developer role for a long-term media industry project, focused on backend development, microservices architecture, cloud technologies, and DevOps practices. The position offers flexible remote or hybrid work in Poland and involves development, code reviews, technical consulting, and documentation within a Scrum team. 🗂️ Requirements: 4+ years of Java 8–25 development experience, Knowledge of design patterns, multithreading, and immutability, Experience with Spring Boot, Spring MVC, WebFlux, MyBatis, and TestContainers, Experience with SQL and NoSQL databases, Knowledge of microservices, REST, Kubernetes, Docker, SOA, and SSO, Experience with JUnit, Mockito, Spock, JMeter, and K6, Experience with Git, Jenkins, GitLab CI, and GitLab Pipelines, Understanding of OWASP and web application security principles, Experience working in Scrum teams, Knowledge of Unix/Linux systems, Experience with Python and Bash scripting, Understanding of AWS services including IAM, EC2, S3, Lambda, API Gateway, CloudWatch, and MSK, Experience creating technical and user documentation, Knowledge of DevOps practices and automation tools, Advanced English communication skills 📃 Skills: Java, Spring, SpringBoot, SpringMVC, WebFlux, MyBatis, TestContainers, Oracle, PostgreSQL, MongoDB, Redis, Kafka, ORM, Microservices, REST, Kubernetes, Docker, SOA, SSO, Okta, CAS, IAM, JUnit, Mockito, Spock, JMeter, K6, Git, Bitbucket, GitLab, Jenkins, CI/CD, OWASP, Scrum, Confluence, Jira, Linux, Unix, Python, Bash, AWS, EC2, S3, Lambda, APIGateway, CloudWatch, MSK, HTML, CSS, JavaScript, Angular, React, Vue.js 🏢 Description: Svitla Systems Inc. is looking for a Senior Java Developer for a full-time position (40 hours per week) in Poland. Our client is a French-based international group of media companies. It is a long-term project. There are optional night-time deployment sessions every other Wednesday at 10:00 PM. Our working hours are 8 hours and 30 minutes from Monday to Thursday, and 6 hours on Fridays, with the option to work 8 hours from Monday to Friday. You can choose to work remotely or from the office. While remote work is welcome, attendance at the Warsaw office is encouraged 1 to 3 times a week. REQUIREMENTS Minimum of 4 years of development experience using Java 8–25. Strong knowledge of design patterns, multithreading and immutability. Knowledge of such frameworks as Spring (Spring Boot, Spring MVC, WebFlux), MyBatis, TestContainers. Experience with SQL and NoSQL (Oracle, PostgreSQL, MongoDB, Redis), Confluence, Kafka, and the ability to work with ORM (Object-Relational Mapping). Understanding of software architecture, including microservices, RESTful architecture, Kubernetes, Docker, SOA (Service-Oriented Architecture), and SSO (Okta, CAS, IAM). Experience with testing tools: Unit testing (JUnit, Mockito), integration and acceptance testing (Spock), support for performance testing (JMeter, K6). Familiarity with version control and CI/CD tools: Git (Bitbucket, GitLab), Jenkins, GitLab CI, and GitLab Pipelines. High degree of independence, accountability for results and attention to the quality of implementation. Understanding of the basic principles of web application security (e.g. OWASP). Ability to collaborate within a Scrum development team. Familiarity with Confluence and Jira. Knowledge of Unix/Linux systems. Knowledge of scripting languages in a Linux environment (Python, Bash). Understanding of AWS cloud services and technologies, including IAM, EC2, S3, Lambda, API Gateway, CloudWatch, and MSK. Expertise in creating technical and user documentation Knowledge of DevOps practices and automation tools. Analytical and problem-solving skills with the ability to analyze requirements and design solutions. High level of English for communication. NICE TO HAVE Knowledge of front-end tools and technologies HTML, CSS, JavaScript (frameworks such as Angular, React or Vue.js). RESPONSIBILITIES Deliver development work. Provide technical consultations (advising other individuals and departments). Perform code reviews and foster team development. Create documentation in Confluence, managing tasks using Jira. WE OFFER US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in the workspace, either remote or in our welcoming office. Comprehensive medical insurance after one month. MultiSport card with access to 2500 sports facilities all over Poland Bonuses for recommendations of new employees. Bonuses for article writing, public talks, and other activities. 15 vacation days, 10 national holidays, 10 sick leaves, and family days off. Personalized learning program tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Welcome and anniversary presents, gifts for children, and more. Regular corporate events and meetups. Awesome team, friendly and supportive community!

🏢 Summary: Full-time Senior Full-Stack Engineer role focused on designing and building scalable, high-performance data-driven applications using C# and modern web technologies. The position involves end-to-end development in an Agile environment, including architecture, coding, testing, and optimization of web and API solutions. The role requires strong experience with secure coding practices, CI/CD, and AI tools within the SDLC. 🗂️ Requirements: BSc in Computer Science, STEM, or equivalent experience, 7+ years of experience building scalable, high-performance data-driven applications, Experience designing service-based or tiered web and mobile applications, Strong experience with C#, Experience with WCF or Web API, Experience with SQL Server, Experience using AI tools within the SDLC, Experience working in a CI/CD environment, Knowledge of secure coding practices aligned with OWASP, Experience working in Scrum or Kanban environments 📃 Skills: C#, WCF, WebAPI, SQLServer, AI, OWASP, Scrum, Kanban, CI/CD, REST 🏢 Description: Svitla Systems Inc. is looking for a Senior Full-Stack Engineer (C#/React) for a full-time position (40 hours per week) in Europe. Our client is a leading global provider that gathers information and reports to enhance the environmental and social impacts on the business. Responsibilities: Participate in the Agile software development (Scrum/Kanban) from concept design, to full-stack code and testing. Write concise code, clear, well-tested, well-documented and with quality that adhere to industry best practices. Optimize code for quality, performance, scalability, efficiencies and security; through testing, code scanning, refactoring and monitoring. Collaborate with product owners to define/refine requirements, break down into development tasks, estimate effort, and plan milestones & deliverables. Develop and maintain UI applications (web, mobile, etc.) and/or web APIs (RESTful & messaging-based). Identify opportunities for innovation, improvement of software architecture and cloud infrastructure; and/or offer new ideas. Advocate for simplicity, reliability, manageability, scalability, extensibility, reusability and performance. Be a proactive team member who contributes, collaborates and demonstrates positive behaviour. Provide development expertise to team members through education and review. Always open to new ideas and encourages innovative practices amongst peers. Makes sure to constantly address technical debt - escalating when it becomes a risk to quality or timely delivery of our software. Carries out root cause analysis on defects to ensure fixes are happening in the right way. Requirements: BSC in Computer Science, STEM (Science, Technology, Engineering, and Math), or equivalent work experience. 7+ years of experience designing and building scalable, high-performance data-driven software applications. Experience designing service-based and/or tiered web and mobile applications. Excellent experience with C#. Web Services (WCF/Web API), SQL Server. Experience with JavaScript, React, TypeScript, jQuery, HTML, CSS, and SASS is desired. Experience with cloud deployment models (Azure), pipelines, and CI/CD is desired. Experience utilizing AI tools within projects and to support aspects of the SDLC is essential. Understanding and adhering to secure coding practices that meet OWASP standards. Experience working in a continuous integration and deployment environment. Experience practicing Scrum/Kanban and the ability to adapt to Scrum values. Strong analytical and problem-solving skills. Works effectively and independently in a dynamic team environment. Proven time management, organizational, and follow-up skills to meet deadlines. Quality-oriented with a passion for customer satisfaction. Excellent interpersonal and communication skills. Demonstrated initiative to learn and experiment with new technologies and processes. Strong work ethic and professionalism. Nice to have: Experience with C++ What we offer: US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community

🏢 Summary: Full-time Senior Node.js Developer role focused on building and maintaining scalable backend and serverless services for interactive, data-heavy applications. The position involves designing microservices, working extensively with AWS, and owning features end-to-end including production support. 🗂️ Requirements: 4-5 years of backend development experience with Node.js, Strong experience with NestJS for complex services, Hands-on experience with AWS Lambda, Glue, DynamoDB, Understanding of AWS architecture and services, Experience with serverless and microservices architecture, Experience with data-heavy backend systems, aggregation and querying, Experience with CI/CD pipelines, Experience in production troubleshooting 📃 Skills: Node.js, NestJS, AWS, Lambda, Glue, DynamoDB, Serverless, Microservices, CI/CD, JavaScript, NoSQL, Architecture 🏢 Description: Svitla Systems Inc. is looking for a Senior Node.js Developer with AWS for a full-time position (40 hours per week) in Europe. Our client is a company that creates interactive games, quizzes, and adventures specifically designed for children. Requirements 4-5 years of experience as a Back End Developer with Node.js and NestJS (for complex services). Knowledge of AWS: Lambda, Glue, DynamoDB, General AWS architecture & services. Understanding of serverless/microservices architecture. Understanding of data-heavy backend systems (aggregation, querying, performance). Experience in CI/CD & production troubleshooting. Excellent written and spoken English. Excellent communication skills and initiative to report product/feature/software issues immediately. Ability to self-structure your work in an ambiguous environment. Sharp attention to detail and solid communication skills. Curiosity, creativity, and willingness to dig into unfamiliar parts of the service, system, and applications. Nice to have Experience with EKS. Knowledge of hardware-integrated systems. Familiarity with event-driven architectures. Experience supporting mobile app backends. Strong ownership mindset in small-to-mid-size teams. Responsibilities Develop and maintain backend services in Node.js. Build and support serverless components (AWS Lambda, AWS Glue). Implement data aggregation, querying, and transformation logic. Work with DynamoDB as the primary datastore. Design and maintain microservices / serverless services. Own features end‑to‑end, including production support. Investigate and fix production issues. Collaborate with mobile, QA, and hardware-related teams. Participate in backend architecture and technical decisions. We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!