Senior Ruby Developer

🏢 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 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 Platform Engineer role focused on building and operating a multi-cloud enterprise platform using modern cloud and container technologies. The position involves developing scalable, secure self-service solutions and improving reliability, performance, and cost efficiency across AWS and Azure environments. The engineer will lead platform initiatives and support containerization and infrastructure automation efforts. 🗂️ Requirements: 4+ years of Platform System engineering experience with Ruby, 3+ years of experience in distributed engineering teams, Hands-on experience with containerization technologies, Experience with Infrastructure as Code, Experience with multi-cloud deployments, Experience building and operating cloud applications at scale, Experience with public cloud platforms AWS, Azure or GCP, Degree in Computer Science or related field 📃 Skills: Ruby, Docker, Kubernetes, GitHubActions, ArgoCD, EKS, AKS, ECS, AWS, Azure, GCP, Terraform, Chef, Ansible, NAT, APIs, Containers, MultiCloud, InfraAsCode, CI/CD 🏢 Description: Svitla Systems Inc. is looking for a Senior Platform Engineer for a full-time position (40 hours per week ) in Poland. Our client provides a cloud-based platform that helps businesses manage their spending. You will play a crucial role in developing solutions for the Enterprise platform. You will be developing applications that provide self-service and increased efficiency to a diverse group of internal customers across Cloud Operations, Engineering, Customer Success & Support, and Customer Value Management. When you are successful, you will significantly accelerate the team's ability to serve customers better. This role requires working hours with overlap till 7-8 PM CET. Requirements Has 4+ years of hands-on Platform System engineering experience using Ruby. Has 3+ years of experience in engineering role, working with a diverse & distributed team located across the globe. Has experience in containerization technologies (Docker, Kubernetes, Github Actions, ArgoCdEKS, AKS, ECS) Infra As Code Exposure with Multi Cloud Deployments. Has experience building & running modern full-stack cloud applications using public cloud technologies (AWS, Azure, GCP) reliably and at scale. Has effective communication skills (written and verbal) to properly articulate complicated problems to all levels of the organization & customers. Will be confident in their ability to own and deliver a roadmap tied to business priorities Has a passion for excellence, is a natural problem solver, and a critical thinker. You should enjoy digging deep to understand issues and like solving hard problems Has a degree in Computer Science, Computer Engineering or equivalent Nice to have Knowledge of modern infrastructure management systems (Chef, Ansible, Terraform). Expertise in building Platform-as-a-Service. Responsibilities Own, build, and run a suite of impactful platforms built on modern cloud technologies that provide a suite of functionality delivering APIs, integrations, security, messaging, streaming, identity, performance, reliability & containers. Build a multi-region and multi-cloud platform that allows scalable, secure service delivery across hundreds of services on AWS & Azure clouds in a regulated environment. Act as a primary lead partnering to provide technical guidance, support, and direction for several platform engineering teams. Support NAT Gateways Technology. Support the effort to containerize a suite of applications to reduce cost and improve efficiency. Develop and drive long-term strategies and roadmaps aligning with business priorities in partnership with the dev and product management team. Use data-driven insights across the cloud estate to inform and drive new feature development to optimize usage and reduce cost. Help us in improving the reliability and Scalability of the Platform. Takes full ownership of products and has a track record of sustainably delivering high-quality features & managing technical debt. 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 Platform Engineer role focused on building and operating scalable, multi-cloud enterprise platforms using modern cloud and container technologies. The position involves developing self-service solutions, improving reliability and scalability, and leading platform initiatives across AWS and Azure environments. The engineer will drive cloud infrastructure, containerization, and platform strategy in a regulated, multi-region setup. 🗂️ Requirements: 4+ years of hands-on Platform/System Engineering experience with Ruby, 3+ years of experience in engineering roles within distributed global teams, Experience with containerization technologies, Experience with Infrastructure as Code and multi-cloud deployments, Experience building and running full-stack cloud applications on public cloud platforms, Ability to work overlapping hours until 7–8 PM CET, Degree in Computer Science, Computer Engineering, or equivalent 📃 Skills: Ruby, Docker, Kubernetes, GitHubActions, ArgoCD, EKS, AKS, ECS, AWS, Azure, GCP, Chef, Ansible, Terraform, NAT, APIs, Containers 🏢 Description: Svitla Systems Inc. is looking for a Senior Platform Engineer for a full-time position (40 hours per week ) in Poland. Our client provides a cloud-based platform that helps businesses manage their spending. You will play a crucial role in developing solutions for the Enterprise platform. You will be developing applications that provide self-service and increased efficiency to a diverse group of internal customers across Cloud Operations, Engineering, Customer Success & Support, and Customer Value Management. When you are successful, you will significantly accelerate the team's ability to serve customers better. This role requires working hours with overlap till 7-8 PM CET. Requirements Has 4+ years of hands-on Platform System engineering experience using Ruby. Has 3+ years of experience in engineering role, working with a diverse & distributed team located across the globe. Has experience in containerization technologies (Docker, Kubernetes, Github Actions, ArgoCdEKS, AKS, ECS) Infra As Code Exposure with Multi Cloud Deployments. Has experience building & running modern full-stack cloud applications using public cloud technologies (AWS, Azure, GCP) reliably and at scale. Has effective communication skills (written and verbal) to properly articulate complicated problems to all levels of the organization & customers. Will be confident in their ability to own and deliver a roadmap tied to business priorities Has a passion for excellence, is a natural problem solver, and a critical thinker. You should enjoy digging deep to understand issues and like solving hard problems Has a degree in Computer Science, Computer Engineering or equivalent Nice to have Knowledge of modern infrastructure management systems (Chef, Ansible, Terraform). Expertise in building Platform-as-a-Service. Responsibilities Own, build, and run a suite of impactful platforms built on modern cloud technologies that provide a suite of functionality delivering APIs, integrations, security, messaging, streaming, identity, performance, reliability & containers. Build a multi-region and multi-cloud platform that allows scalable, secure service delivery across hundreds of services on AWS & Azure clouds in a regulated environment. Act as a primary lead partnering to provide technical guidance, support, and direction for several platform engineering teams. Support NAT Gateways Technology. Support the effort to containerize a suite of applications to reduce cost and improve efficiency. Develop and drive long-term strategies and roadmaps aligning with business priorities in partnership with the dev and product management team. Use data-driven insights across the cloud estate to inform and drive new feature development to optimize usage and reduce cost. Help us in improving the reliability and Scalability of the Platform. Takes full ownership of products and has a track record of sustainably delivering high-quality features & managing technical debt. 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 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 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 building and scaling a high-throughput cloud platform for call tracking, marketing attribution, real-time analysis, and AI-driven workflows. The position involves hands-on development across backend and frontend systems, contributing to architecture, integrations, and production stability in a fast-moving startup environment. The engineer will work closely with founders to deliver scalable, reliable features with strong ownership and minimal oversight. 🗂️ Requirements: Senior-level full stack engineering experience in production environments, Strong backend development experience with Node.js, Strong frontend development experience with React or similar frameworks, Experience designing and maintaining complex web applications and APIs, Experience with relational databases and production data models, Knowledge of PostgreSQL or similar relational databases, Understanding of REST APIs and distributed system design, Experience integrating third-party APIs and external systems, Ability to debug and troubleshoot production systems, Experience balancing scalability, performance, and maintainability 📃 Skills: Node.js, React, JavaScript, PostgreSQL, SQL, REST, APIs, Redis, Python, HTML, CSS, Git, Cloud, AI 🏢 Description: Svitla Systems Inc. is looking for a Senior Full Stack Engineer for a full-time position (40 hours per week) in Europe. Our client is building an advanced cloud platform for call tracking, marketing attribution, real-time call analysis, and intelligent workflow automation in the pay-per-call and lead generation space. The company is in a hypergrowth phase and is actively scaling both its product platform and engineering capability. The platform combines high-throughput infrastructure, deterministic backend systems, real-time integrations, and AI-driven functionality to support transcription, summarization, extraction, scoring, and increasingly sophisticated agent-enabled workflows. You'll operate with a high degree of independence and make meaningful contributions across both backend and frontend systems. It is a hands-on senior engineering role for someone comfortable working directly with founders, shipping quickly, solving difficult production problems, and contributing to architectural and implementation decisions in a fast-moving startup environment. This role is best suited to an engineer with strong technical depth, sound judgment, product awareness, and the ability to move quickly without creating unnecessary technical debt. The right candidate will not need a heavy process, extensive oversight, or narrow task-by-task direction. This person should be able to step into an evolving system, understand the broader technical and business context, and deliver high-quality work in a practical, efficient way. The engineer will work closely with the founders and the rest of the engineering team, contributing directly to core product and platform development. The client has made it clear that they value engineers based on their performance in a real working environment, not on artificial interview exercises or theoretical problem-solving detached from production realities. Requirements: Strong experience as a Senior Full Stack Engineer, with clear ownership of both backend and frontend production systems. Solid experience in backend engineering with Node.js in real-world production environments. Expertise in frontend engineering with React or similar modern JavaScript frontend frameworks. Understanding of design, build, and maintain complex web applications and APIs that support meaningful business workflows. Strong experience working with relational databases, application data models, and production data access patterns. Knowledge of PostgreSQL or similar relational database technologies in production systems. In-depth understanding of REST APIs, asynchronous workflows, distributed integration patterns, and service-based application design. Experience integrating with third-party APIs and external systems in production environments. Ability to work effectively in evolving codebases and make good engineering decisions without requiring excessive structure or hand-holding. Expertise in debugging and troubleshooting across application logic, integrations, and production issues. Ability to balance delivery speed with long-term maintainability in a startup or high-growth environment. Nice to have: Experience working in startup or hypergrowth environments where engineers are expected to take ownership and move quickly. Familiarity with Redis, caching strategies, job processing, or event-driven application behavior. Exposure to Python and collaboration with AI or data-oriented systems. Experience building or supporting systems with high throughput, near-real-time workflows, or operationally sensitive business logic. Background in AdTech, MarTech, call tracking, attribution platforms, lead generation systems, or analytics-heavy products. Experience building internal operational tooling and admin workflows for technical or business users. Exposure to cloud-native environments and scalable distributed systems. Experience collaborating closely with technical founders, product leadership, or senior engineering stakeholders. Responsibilities: Design, build, and maintain production-grade application features across both backend and frontend systems, with strong attention to scalability, performance, reliability, and maintainability. Develop backend services and APIs using Node.js to support platform capabilities such as workflow orchestration, system integrations, feature logic, internal tooling, and real-time operational processing. Build and enhance frontend applications using React or similar modern frontend technologies to support dashboards, management interfaces, internal tools, and user-facing platform capabilities. Take ownership of significant technical areas and deliver solutions with minimal day-to-day oversight, while collaborating closely with founders and other senior engineers. Work on systems that support high-volume workflows, external integrations, and operationally important product capabilities where responsiveness and reliability matter. Implement and maintain integrations with external partner platforms, APIs, and data-driven systems, including CRM platforms, call-tracking systems, and other third-party services that are central to the product ecosystem. Contribute to architectural discussions and technical decisions related to application structure, data flow, performance optimization, maintainability, and production stability. Investigate and resolve production bottlenecks, system issues, and integration challenges in a practical, efficient manner. Collaborate with AI and data engineering team members where needed to connect backend and frontend product capabilities with intelligent workflows such as transcription, data extraction, scoring, or analytics-driven features. Help establish sound engineering patterns and raise the quality bar as the team scales, including code quality, implementation discipline, and pragmatic technical decision-making. Participate in a fast-moving engineering culture where new features, experiments, and improvements are shipped continuously. 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/Staff Full-Stack Engineer role focused on building an AI-enabled operational monitoring and decision-support platform for cold-chain logistics. The position involves hands-on architecture design, backend and frontend development, and leadership in creating scalable, event-driven AWS cloud systems. The engineer will shape technical standards, integrate IoT and analytics data, and deliver secure, high-availability applications in an evolving, early-stage environment. 🗂️ Requirements: Bachelor's degree in Computer Science, Computer Engineering, or similar, 8+ years of software engineering experience, Strong proficiency in Python for backend and serverless development, Commercial experience with Angular and/or React, Experience with high-load and scalable systems, Hands-on experience with AWS Amplify, Experience designing and consuming GraphQL and RESTful APIs, Deep knowledge of AWS services (Lambda, API Gateway, DynamoDB, S3, Step Functions, CloudWatch, Secrets Manager), Experience with relational and NoSQL databases, Experience with event-driven architectures and messaging systems, Experience with caching technologies, Understanding of application security (OAuth2, JWT, API security best practices), Experience with backend and frontend testing frameworks, Experience with Infrastructure as Code and Docker, Experience designing and maintaining CI/CD pipelines, Knowledge of HIPAA or HITRUST compliance requirements 📃 Skills: Python, Angular, React, TypeScript, AWS, Lambda, FastAPI, API Gateway, DynamoDB, S3, StepFunctions, CloudWatch, SecretsManager, AppSync, GraphQL, REST, PostgreSQL, SQS, SNS, EventBridge, Kafka, Redis, ElastiCache, OAuth2, JWT, Cognito, pytest, Jasmine, Karma, Cypress, Playwright, Terraform, CloudFormation, CDK, Docker, GitHubActions, CodePipeline, Amplify 🏢 Description: Svitla Systems Inc. is looking for a Senior/Staff Full-Stack Engineer(Python/Angular/React) for a full-time position (40 hours per week) in Europe. Our client is a global developer of technology platforms that develop temperature control products. You'll serve as the anchor engineer for a new AI-enabled operational monitoring and decision-support platform in the cold-chain shipping space. It is a senior, hands-on leadership role for a builder who can help shape the initial architecture, define engineering standards, and lead the technical implementation of a platform that integrates IoT telemetry, shipment workflow data, operational analytics, and future AI-driven capabilities. It's not a maintenance role, nor is it a narrowly defined feature factory position. This individual must be comfortable operating in an early-stage environment where requirements are evolving, business priorities are closely tied to real-world operational outcomes, and the engineering team must help translate business and logistics workflows into scalable software systems. The right candidate will be equally comfortable discussing architecture with technical stakeholders, refining platform direction with business leadership, building backend APIs, and guiding the structure of internal operational dashboards and exception-management tools. Requirements: Bachelor's degree in Computer Science, Computer Engineering, or similar 8+ years of software engineering experience with meaningful depth in both backend and frontend development. You should be strong in at least one side and comfortable contributing to the other. Strong proficiency in Python for backend and serverless development (Lambda, FastAPI, or similar). Experience with front end technologies (Angular and/or React) Commercial experience with high-load systems and scaling systems Hands-on experience with AWS Amplify for hosting, authentication, and connecting frontend applications to cloud services. Strong experience designing, building, and consuming both GraphQL APIs (AWS AppSync preferred) and RESTful APIs. Understanding of query optimization, subscriptions, versioning, and documentation (OpenAPI/Swagger). Deep knowledge of AWS services, including Lambda, API Gateway, DynamoDB, S3,Step Functions, CloudWatch, and Secrets Manager. Experience with relational and NoSQL databases (e.g., PostgreSQL, DynamoDB). Experience building event-driven systems using message queues and streaming services (SQS, SNS, EventBridge, Kafka). Familiarity with caching layers like Redis or ElastiCache. Solid understanding of security across the stack, including OAuth 2.0, JWT, API rat limiting, input validation, XSS prevention, CSRF protection, and secure token storage on the client side. Experience building test suites on both sides of the stack. Backend testing with pytest or similar, frontend testing with Jasmine, Karma, Cypress, Playwright, or similar. Experience with frontend performance profiling, Core Web Vitals optimization, and bundle analysis is a plus. Experience collaborating with stakeholders to build data pipelines, or integrate AI-driven features into production systems. Working knowledge of HIPAA or HITRUST compliance requirements for healthcare applications, including audit logging, PHI handling, data encryption, and secure session management. Comfortable with Infrastructure as Code (Terraform, CloudFormation, or CDK) and containerization (Docker). Experience with CI/CD pipeline design and implementation (GitHub Actions, AWS CodePipeline, Amplify CI/CD, or similar). Strong analytical and problem-solving skills with a focus on delivering polished user experiences backed by reliable infrastructure. Excellent communication skills and experience working in Agile environments. Responsibilities: Design, develop, and maintain fullstack applications with Python on the backend and Angular with TypeScript on the frontend, all deployed on AWS. Build and optimize serverless backend services using AWS Lambda, API Gateway, DynamoDB, S3, and Step Functions. Develop responsive, accessible frontend interfaces using Angular, with AWS Amplify for hosting, authentication (Cognito), and API integration. Design and integrate both GraphQL (AppSync) and RESTful APIs, handling everythin from backend implementation to frontend consumption, ensuring efficient data fetching, error handling, and state management. Architect data models, database schemas, and service-to-service communication patterns for complex business domains. Build and maintain event-driven architectures using SQS, SNS, EventBridge, o similar messaging services to support reliable, decoupled system communication. Implement caching strategies on both the backend (Redis, ElastiCache) and frontend (query caching, local state) to improve performance across the stack. Design and implement secure authentication and authorization flows using OAuth 2.0, JWT, and AWS Cognito, covering both server-side validation and client-side token management. Own features end-to-end, from database schema and API design through to the Angular components and user interactions that bring them to life. Collaborate closely with product managers, backend engineers, frontend engineers, and data science/ML teams to define system architecture, UI/UX requirements, and technical approach. Develop scalable, multi-tier cloud architectures with a focus on high availability and disaster recovery. Implement and maintain CI/CD pipelines for both frontend and backend deployments using tools like GitHub Actions, AWS CodePipeline, Amplify CI/CD, or similar. Build and maintain comprehensive test suites across the stack, including backend unit and integration tests (pytest) and frontend testing (Jasmine, Karma, Cypress, or Playwright). Establish and maintain structured logging, monitoring dashboards, error tracking, and alerting to support production reliability and fast incident response across both backend services and frontend applications. Participate in on-call rotations and lead incident response when production issues arise, including root cause analysis and follow-up improvements. Conduct code reviews and mentor junior engineers, fostering a culture of continuous learning and quality. Design and integrate AI-driven solutions within cloud infrastructure, working closely with stakeholders, build data pipelines, and create intuitive interfaces for AI-powered features. Implement cost optimization strategies and FinOps practices to manage cloud spending effectively. Stay current with emerging AWS services, Angular ecosystem updates, frontend tooling, and industry trends to continuously improve the technology stack. Document development processes, system architecture, component libraries, and key decisions for knowledge sharing. 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!