May 18, 2026
Backend Engineer (Node.js, TypeScript, AWS)
Mid • Remote
Gliwice, Poland
Backend Engineer – Node.js, TypeScript, AWS
For our client, a fast-growing team building a next-generation AI-powered consumer product, we are looking for an experienced Backend Engineer to help scale the systems powering real-time experiences, cloud synchronization, and intelligent APIs.
This is not a founding role, but it is a highly impactful engineering position within a small, high-performing team focused on building world-class consumer technology products.
About the role
You will be responsible for designing, building, and scaling backend systems that support core product functionality — from real-time data pipelines to reliable cloud infrastructure and low-latency APIs.
You’ll work closely with mobile and AI teams to deliver fast, scalable, and highly reliable user experiences.
Responsibilities
Backend Development
Design and build RESTful APIs using Node.js and TypeScript (Express.js or Nest.js)
Architect and maintain PostgreSQL databases, including schema design and query optimization
Implement background jobs and queue systems using Redis for ingestion, summarization, and notifications
Build and maintain caching layers (Redis, CDN, HTTP cache) to ensure low-latency performance
Implement authentication, authorization, and data privacy best practices
Add real-time capabilities using WebSockets and Server-Sent Events
Build observability into services through logging, metrics, and tracing
Deploy and manage backend services on AWS (EC2, ECS, RDS, S3, Lambda)
Systems & Architecture
Design clean, scalable, and maintainable service architectures
Plan and execute safe database migrations and schema evolution strategies
Ensure consistency and reliability across distributed systems
Optimize system performance across I/O, CPU, and memory bottlenecks
Build and maintain CI/CD pipelines and release automation workflows
Contribute to infrastructure reliability, scalability, monitoring, and cost optimization
Quality & Security
Write unit, integration, and contract tests with clear quality standards
Enforce linting, type safety, and static analysis within CI pipelines
Conduct security reviews and dependency audits while following least-privilege principles
Clearly document services, APIs, and important architectural trade-offs
Requirements
Must-have
2+ years of backend development experience with Node.js and TypeScript
Strong understanding of PostgreSQL, including schema design, indexing, and query optimization
Experience working with Redis for caching and queue management
Hands-on experience with AWS services such as EC2, RDS, Lambda, ECS, and S3
Strong API design skills, including REST and real-time communication patterns
Solid understanding of scalability, concurrency, and distributed systems
Experience with Docker, Git workflows, and CI/CD automation
Familiarity with security and backend performance best practices
Nice to have
Experience with GraphQL or gRPC
Exposure to event-driven architectures or microservices
Familiarity with observability tools such as OpenTelemetry, CloudWatch, or Sentry
Experience building high-traffic consumer applications
Example stack
Backend: Node.js, TypeScript (Express.js / Nest.js), PostgreSQL, Redis
Cloud: AWS (EC2, RDS, Lambda, ECS, S3, CloudWatch)
Infrastructure: Docker, GitHub Actions, CI/CD
Similar jobs you might like
Technology
iTeamly
Senior Node.js Engineer
Senior
Remote
Krakow, Poland
17,500 - 24,500 PLN
🏢 Summary: The offer is for an experienced Node.js Engineer to design, build, and scale backend services for a modern data-driven platform. The role involves developing REST/GraphQL APIs, contributing to system architecture, and owning the full development lifecycle in an Agile environment. The position requires close collaboration with cross-functional teams and active participation in technical decision-making. 🗂️ Requirements: 5+ years of experience with JavaScript and Node.js, Strong proficiency in TypeScript, Experience designing and building REST or GraphQL APIs, Knowledge of relational and NoSQL databases, Experience with AWS services, Understanding of software architecture and scalable systems, Experience with Express or Next.js frameworks, Knowledge of web fundamentals and security best practices, Fluent English (B2+), Availability overlapping with US Eastern Time core hours 📃 Skills: JavaScript, Node.js, TypeScript, REST, GraphQL, MySQL, MongoDB, Redis, AWS, EC2, Lambda, SQS, Express, Next.js, CORS, OWASP, Scrum 🏢 Description: We are looking for an experienced Node.js Engineer to join a team building and scaling a modern data-driven platform. ✅ Your responsibilities: Design, build, and maintain backend services using Node.js Develop scalable APIs (REST / GraphQL) Contribute to system architecture, performance, and scalability improvements Own the full development lifecycle: implementation, testing, deployment, and maintenance Collaborate closely with product, frontend, and DevOps teams in an Agile (Scrum) environment Participate in technical decision-making and drive best practices 🧠 Our requirements: 5+ years of experience with JavaScript / Node.js Strong proficiency in TypeScript Hands-on experience designing and building RESTful and/or GraphQL APIs Solid understanding of databases (relational and NoSQL, e.g., MySQL, MongoDB, Redis) Experience with AWS (e.g., EC2, Lambda, SQS) Good understanding of software architecture and scalable systems Experience with frameworks such as Express or Next.js Knowledge of web fundamentals (e.g., CORS) and security best practices (OWASP) Ability to work independently and support team-level technical decisions Fluent English (B2+) Availability overlapping with US Eastern Time core hours 🌟 What we offer: Remote work Flexible cooperation model (B2B / employment contract) Opportunity to work on a scalable, data-focused platform Collaboration with a highly skilled engineering team Real impact on technical decisions and system architecture
Technology
Productiv Team
Senior NestJS Backend Developer
Senior
Remote
🏢 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.
Technology
Appliscale
Senior Backend Engineer (Node.js / AWS)
Senior
Remote
Krakow, Poland
19,500 - 25,000 USD
🏢 Summary: Senior Backend Engineer role focused on designing, building, deploying, and maintaining scalable backend systems using TypeScript and Node.js in a cloud environment. The position involves developing microservices on AWS, shaping system architecture across platforms, and ensuring production reliability for international users. Strong emphasis on clean architecture, testing, and infrastructure as code. 🗂️ Requirements: 5+ years backend development experience in production environments, Expert hands-on experience with TypeScript and Node.js, Strong knowledge of software engineering principles, testing, data structures, and algorithms, Experience designing and developing REST APIs, Experience with event-driven architecture, Experience building and maintaining microservices, Hands-on experience with AWS cloud services, Experience with Infrastructure as Code using Terraform, Experience with CI/CD pipelines and related tools, Strong knowledge of PostgreSQL and DynamoDB, Proficiency in OO design patterns, SOLID principles, and Clean Code, Computer Science degree, Experience working with Agile methodologies such as SCRUM or Kanban 📃 Skills: TypeScript, JavaScript, Node.js, AWS, Terraform, CircleCI, Docker, Datadog, PostgreSQL, DynamoDB, REST, CICD, Microservices, OOP, SOLID, Algorithms, DataStructures, SCRUM, Kanban 🏢 Description: About the role You will need to be an expert in backend development with a thorough understanding of the technologies involved. Strong backend skills where you can demonstrate your ability to apply these technologies, as well as deploy and maintain them will be crucial to success. Technologies we work with: Typescript, JavaScript, Node.js, REST APIs, AWS, Terraform Responsibilities: Designing, writing, testing functionalities for a backend system written in TypeScript, Node.js Deploying and maintaining microservices in AWS using Terraform Design software architecture between backend, frontend and mobile apps Maintaining system on production used by consumers from several European countries Debugging issues Scoping and assessing the complexity of features Participating in sprint planning, daily sprints and meetings with product owners for grooming new features Recruiting and mentoring team members Collaborating with other team members and teams that depend on the functionalities that you develop Required qualifications: 5+ years of production software development experience in backend Strong understanding of software engineering principles, testing, data structures and algorithms Expert hands-on experience in technologies such as Typescript / Node.js Experience in developing Cloud and Infrastructure solutions with AWS and CI/CD processes supported by tools like Terraform, CircleCI, Docker, Datadog, etc. Strong knowledge of DBMS like PostgreSQL, DynamoDB Expertise in REST APIs, Experience in event driven architecture Proficiency in OO design patterns, SOLID principles, Clean Code and solving architectural problems Computer Science degree Experience working with Agile methodologies such as SCRUM and/or Kanban Good communication and collaboration skills Self-motivation, proactive attitude Proficiency in English Nice to have: Exposure to frontend development in React Working experience with one of the object-oriented and/or functional languages such as C#, Python Java, Golang, Kotlin
Technology
New offer
emagine Polska
Backend Engineer (Node.js with AWS)
Mid
Remote
Lisbon, Portugal
🏢 Summary: Backend Engineer role focused on building and scaling identity, authentication, and registration services using serverless AWS technologies. The position involves designing high‑traffic RESTful APIs, working with DynamoDB, and owning infrastructure as code within a TypeScript monorepo. You will collaborate in an Agile team to deliver secure, highly available multi‑region systems with strong automated testing practices. 🗂️ Requirements: Bachelor's Degree in Computer Science, Software Engineering, or equivalent, 3+ years professional experience as Backend Engineer, Strong proficiency in TypeScript and Node.js, Experience designing and building RESTful APIs for high-traffic systems, Hands-on experience with serverless architectures (AWS Lambda, API Gateway or equivalent), Experience with NoSQL databases, particularly DynamoDB, Ability to write unit, integration, and end-to-end tests, Experience with Git and monorepo workflows, Understanding of systems architecture, SOLID principles, distributed systems patterns, Experience working in Scrum/Agile frameworks 📃 Skills: TypeScript, Node.js, AWS, Lambda, MuleSoft, DynamoDB, REST, Jest, Cucumber, Pactum, Terraform, CI/CD, Git, NoSQL, API, SAST 🏢 Description: Emagine is seeking a skilled and passionate Backend Engineer to join an international team focused on building and scaling identity, authentication, and registration services that support millions of consumers across multiple markets, channels, and brands. This is a key role where you will contribute to the design and development of modern, cloud-native backend solutions, ensuring scalability, reliability, and high performance. You will play a critical role in designing and deploying serverless APIs, building integrations with third-party identity providers, and contributing to reusable backend components used across the platform. This position requires strong expertise in TypeScript and Node.js, experience with AWS serverless technologies, and a passion for clean code, automation, and scalable software architecture. Your Main Responsibilities: Design, develop, and deploy serverless APIs using AWS Lambda and MuleSoft gateways for authentication, consumer profiles, OTP, and event processing Develop clean, well-tested TypeScript code within a monorepo, contributing to shared libraries and product-specific services Design efficient data access patterns using DynamoDB for low-latency, high-throughput applications Build and maintain integrations with third-party identity and messaging providers Develop automated unit, integration, and contract tests using Jest, Cucumber, and Pactum Manage infrastructure as code using Terraform and deploy through CI/CD pipelines Participate in the Backend Community of Practice, sharing knowledge and contributing to backend engineering best practices Collaborate within a cross-functional Agile team to deliver high-quality software Continuously improve system architecture by addressing technical debt and implementing incremental refactoring Develop reusable internal libraries consumed by multiple teams across the platform You Bring: Bachelor's degree or higher in Computer Science, Software Engineering, or a related field 3+ years of professional experience as a Backend Engineer Strong proficiency in TypeScript and Node.js Experience designing and developing RESTful APIs for high-traffic applications Hands-on experience with serverless architectures (AWS Lambda, API Gateway, or similar) Solid experience with NoSQL databases, particularly DynamoDB Strong automated testing practices, including unit, integration, and end-to-end testing Experience using Git within monorepo workflows Good understanding of systems architecture, SOLID principles, and distributed systems Experience working in Scrum/Agile environments Strong analytical, problem-solving, and collaboration skills Nice to Have: Experience with Terraform or other Infrastructure as Code tools Familiarity with CI/CD pipelines, deployment automation, quality gates, and SAST scanning Experience with multi-region or multi-tenant architectures Knowledge of identity and authentication protocols Experience integrating third-party APIs Familiarity with event-driven architectures Experience with monitoring and observability tools Knowledge of feature toggles for progressive deployments Familiarity with schema validation approaches Experience with MuleSoft or similar API management platforms Location & Eligibility: Candidates must be based in Portugal H Full Remote About emagine: At emagine, we value diversity, inclusion, and equal opportunities. We believe that different perspectives drive innovation and create stronger teams, and we are committed to fostering an inclusive environment where everyone can thrive. We work with leading international clients on innovative and high-impact projects, offering opportunities to grow both professionally and personally. If you are interested in this opportunity, we encourage you to apply and be part of a dynamic and forward-thinking environment. To learn more about us, visit our website: www.emagine-consulting.com
Technology
Link Group
Fullstack engineer - Typescript/Node/React
Mid
Hybrid
Warsaw, Poland
22,000 - 30,000 USD
🏢 Summary: Backend-focused Fullstack Engineer role (80% backend) focused on designing and maintaining scalable, secure backend services and APIs for data-driven and integration platforms. The position involves working with distributed systems, system integrations, and cloud infrastructure while contributing to frontend development with React. You will own features end-to-end from design to deployment in a distributed international team. 🗂️ Requirements: ~5 years backend experience with Node.js and TypeScript, Strong knowledge of relational databases, Experience building REST APIs and distributed services, Hands-on experience with cloud infrastructure, Experience with Kubernetes, Practical experience with React, Experience with system integrations 📃 Skills: TypeScript, Node.js, React, PostgreSQL, GCP, Kubernetes, REST, SQL 🏢 Description: Fullstack Engineer (Backend-Focused) We’re looking for a Backend-heavy Fullstack Engineer (80% backend, 20% frontend) to join a distributed team building critical data and integration platforms. What You’ll Do Design and maintain scalable, secure backend services and APIs Work on system integrations and data-centric platforms Collaborate across frontend, backend, and data teams Take full ownership of features from design to deployment Tech Stack TypeScript / Node.js , React Relational databases (PostgreSQL or similar) Cloud infrastructure (GCP), Kubernetes REST APIs, system integrations, distributed services Who We’re Looking For ~5 years backend experience with Node.js / TypeScript Strong relational database knowledge Experience with React (frontend contribution) Cloud and Kubernetes experience Excellent communication skills , ownership, and proactive collaboration Comfortable working in distributed international teams
Technology
Snatch Up
Senior Software Engineer
Senior
Hybrid
Krakow, Poland
7,500 - 11,000 EUR
🏢 Summary: Opportunity to architect and build a brand-new, high-scale, event-driven backend product from scratch using Node.js and TypeScript on AWS. The role focuses on designing resilient distributed systems, owning features end-to-end, and shaping technical direction in a high-growth environment. You will drive scalable architecture, ensure high code quality, and deploy production-ready services for global workloads. 🗂️ Requirements: 5+ years experience with Node.js and TypeScript in production environments, Advanced proficiency with AWS (Lambda, ECS, S3, RDS), Strong expertise in system design and scalability, Experience designing event-driven architectures, Experience with modern testing frameworks (Vitest, Jest, Playwright), Ability to build and deploy distributed systems, Experience with SQL and NoSQL databases, Knowledge of CI/CD practices using Docker and Kubernetes, Professional English proficiency 📃 Skills: Node.js, TypeScript, AWS, Lambda, ECS, S3, RDS, Vitest, Jest, Playwright, Docker, Kubernetes, SQL, NoSQL, Go, React, CI/CD 🏢 Description: We are looking for a high-impact engineer to architect a brand-new product from the ground up. In this role, you will bypass maintenance of legacy systems to design and develop high-scale, event-driven backend infrastructures. Operating at the intersection of technical rigor and rapid product evolution, you will thrive in an environment of high ambiguity where your architectural decisions define the roadmap. Core Responsibilities Architect and scale mission-critical backend services using Node.js and TypeScript . Design and implement high-performance APIs and sophisticated event-driven architectures on AWS . Engineer resilient, distributed systems capable of managing intensive global workloads. Own feature development end-to-end, navigating the lifecycle from initial design to production deployment. Partner closely with product and cross-functional engineering leads to drive technical innovation. Mentor the engineering squad and champion elite standards in code quality, security, and testing. Adapt and pivot technical strategies as the product scales and new challenges emerge. Technical Requirements 5+ years of hands-on experience deploying Node.js and TypeScript in high-stakes production environments. Advanced proficiency with the AWS ecosystem, including Lambda, ECS, S3, and RDS. Deep expertise in system design, scalability, and modern event-driven paradigms. Experience utilizing modern testing frameworks such as Vitest, Jest, or Playwright to ensure zero-defect deployments. Elite problem-solving skills with the ability to operate autonomously in a fast-moving hub. Professional fluency in English with a track record of driving cross-functional alignment. A high-velocity mindset suited for a dynamic, high-growth engineering culture. Additional Assets Hands-on experience with Go . Background in distributed systems or complex event-driven platforms. Experience integrating LLMs or modern AI tooling into production workflows. Practical knowledge of React or modern frontend frameworks. Deep understanding of SQL/NoSQL database optimization and CI/CD best practices via Docker and Kubernetes. The Offer Competitive compensation aligned with the top-tier Kraków tech market (UoP or B2B options). Flexible hybrid work model based in the heart of Kraków. Radical ownership and the unique opportunity to shape a global product from day one. Collaborative, English-speaking engineering environment within a stable, profitable firm with a long-term vision.
Technology
Link Group
Senior Full Stack Software Engineer
Senior
Hybrid
Warsaw, Poland
30,000 - 40,000 PLN
🏢 Summary: The offer is for a Full Stack Software Engineer to design and develop scalable backend services, RESTful APIs, and modern frontend applications using TypeScript and React or Angular. The role involves working with Python, PostgreSQL, and AWS-based cloud environments to deliver reliable, high-performance solutions. It also includes contributing to CI/CD pipelines and cloud-native infrastructure setup. 🗂️ Requirements: Strong experience with TypeScript, Proficiency in React or Angular, Backend and RESTful API development experience, Experience with Python, Knowledge of relational databases, Experience with PostgreSQL, Experience with AWS cloud services, Ability to work across the full stack, Experience with CI/CD pipelines, Experience with cloud infrastructure setup 📃 Skills: TypeScript, React, Angular, Python, REST, PostgreSQL, AWS, CI/CD, Kubernetes, Docker 🏢 Description: Do you enjoy building polished, user-friendly applications while working across the full stack? We are looking for a talented Full Stack Software Engineer to design and develop scalable backend services, RESTful APIs, and modern frontend applications using TypeScript and React or Angular. You’ll also get to leverage Python for backend scripting and work with cloud-native systems to deliver solutions that make a real impact. What You’ll Do: Build and maintain RESTful APIs and backend services in a cloud environment. Develop responsive frontend applications using React/TypeScript or Angular. Work with relational databases (PostgreSQL) and integrate multiple data sources. Ensure applications are reliable, scalable, and performant. Collaborate with stakeholders to translate requirements into high-quality technical solutions. Contribute to CI/CD pipelines, deployment automation, and cloud infrastructure setup. Must Haves: Strong experience with TypeScript and React or Angular Backend/API development experience and familiarity with Python Knowledge of relational databases and cloud-based systems (AWS preferred) Ability to work across the full stack and take ownership of solutions Nice to Haves: Experience with distributed systems or service-oriented architectures Familiarity with containers, Kubernetes, and cloud-native deployment patterns Exposure to data-intensive or analytics-driven applications
Technology
Link Group
Senior Full Stack Software Engineer
Senior
Hybrid
Warsaw, Poland
30,000 - 40,000 USD
🏢 Summary: Full Stack Software Engineer role focused on building scalable backend services and RESTful APIs while developing modern frontend applications using TypeScript and React or Angular in a cloud environment. The position involves working across the full stack, leveraging Python, PostgreSQL, and AWS to deliver reliable, high-performance solutions. You will contribute to CI/CD pipelines and cloud infrastructure setup to support scalable deployments. 🗂️ Requirements: Strong experience with TypeScript, Strong experience with React or Angular, Backend and RESTful API development experience, Experience with Python, Knowledge of relational databases, Experience with cloud-based systems, Ability to work across the full stack 📃 Skills: TypeScript, React, Angular, Python, REST, PostgreSQL, AWS, CI/CD, Kubernetes, Docker 🏢 Description: Do you enjoy building polished, user-friendly applications while working across the full stack? We are looking for a talented Full Stack Software Engineer to design and develop scalable backend services, RESTful APIs, and modern frontend applications using TypeScript and React or Angular. You’ll also get to leverage Python for backend scripting and work with cloud-native systems to deliver solutions that make a real impact. What You’ll Do: Build and maintain RESTful APIs and backend services in a cloud environment. Develop responsive frontend applications using React/TypeScript or Angular. Work with relational databases (PostgreSQL) and integrate multiple data sources. Ensure applications are reliable, scalable, and performant. Collaborate with stakeholders to translate requirements into high-quality technical solutions. Contribute to CI/CD pipelines, deployment automation, and cloud infrastructure setup. Must Haves: Strong experience with TypeScript and React or Angular Backend/API development experience and familiarity with Python Knowledge of relational databases and cloud-based systems (AWS preferred) Ability to work across the full stack and take ownership of solutions Nice to Haves: Experience with distributed systems or service-oriented architectures Familiarity with containers, Kubernetes, and cloud-native deployment patterns Exposure to data-intensive or analytics-driven applications
Technology
Appliscale
Senior Fullstack Engineer (Node.js/React)
Senior
Remote
Krakow, Poland
19,000 - 25,000 USD
🏢 Summary: Fullstack engineering role focused on designing, developing, deploying, and maintaining backend services in TypeScript and frontend applications in React. The position involves building and operating microservices in AWS using Terraform, ensuring production stability, and contributing to architecture and feature planning. You will work in an Agile environment with strong emphasis on code quality, testing, and CI/CD practices. 🗂️ Requirements: 5+ years fullstack production experience, Strong TypeScript or C# experience, Experience with React development, Knowledge of PostgreSQL or DynamoDB, Experience building and consuming REST APIs, Hands-on experience with CICD pipelines, Understanding of data structures and algorithms, Knowledge of OOP, SOLID and CleanCode principles, Experience with AWS and infrastructure as code, Computer Science degree, Experience with Scrum or Kanban 📃 Skills: TypeScript, JavaScript, NodeJS, React, REST, AWS, Terraform, CSharp, PostgreSQL, DynamoDB, CICD, Docker, Kubernetes, Jenkins, CircleCI, GitLabCI, Datadog, Microservices, SOLID, CleanCode, OOP, Algorithms, DataStructures, Scrum, Kanban 🏢 Description: About the role You will need to be an expert in backend and frontend development with a thorough understanding of the technologies involved. Strong backend and frontend skills where you can demonstrate your ability to apply these technologies, as well as deploy and maintain them will be crucial to success. Technologies we work with:Typescript, JavaScript, Node.js, React, REST APIs, React, AWS, Terraform, C# Responsibilities: Designing, writing, testing functionalities for a backend system written in TypeScript and a frontend system written in React & TypeScript Deploying and maintaining microservices in AWS using Terraform Maintaining system on production used by consumers from several European countries Debugging issues Scoping and assessing the complexity of features Participating in sprint planning, daily sprints and meetings with product owners for grooming new features Recruiting and mentoring team members Collaborating with other team members and teams that depend on the functionalities that you develop Required qualifications: 5+ years of production software development experience in a fullstack role Strong understanding of software engineering principles, testing, data structures and algorithms Solid hands-on experience in technologies such as Typescript or C# Strong knowledge of DBMS like PostgreSQL, DynamoDB Expertise of REST APIs Strong hands-on experience of CI&CD processes Proficiency of OO design patterns, SOLID principles and Clean Code Computer Science degree Able to work with Agile methodologies such as SCRUM and/or Kanban Good communication and collaboration skills Self-motivation, proactive attitude Proficiency in English Nice to have: Some experience or interest in developing Cloud and Infrastructure solutions with AWS and CI/CD processes supported by tools like Docker, Kubernetes, Jenkins, Terraform, CircleCI, GitlabCI, Datadog, etc. Working experience with one of the object-oriented and/or functional languages such as C#, Elixir, C++, Java, Golang, Erlang, Python, Kotlin
Technology
Link Group
Full-Stack / Backend Developer (Java + AWS+ React.js)
Mid
Remote
Warsaw, Poland
100 - 160 PLN
🏢 Summary: Full-Stack / Backend Developer role focused on building and maintaining scalable applications and REST APIs that support client products. The position involves developing new integrations, enhancing existing backend and frontend systems, and improving platform performance and reliability. You will contribute to architecture improvements and work within a cloud-based environment. 🗂️ Requirements: Minimum 3 years commercial experience, Experience with Java, Experience with Spring Boot, Experience with AWS, Experience with MongoDB, Experience with PostgreSQL, Experience with React.js, Experience designing REST APIs, Knowledge of backend architecture, Experience with cloud environments, Understanding of clean code principles, Experience working in Agile environment 📃 Skills: Java, SpringBoot, AWS, MongoDB, PostgreSQL, React, REST, Agile, Cloud, Architecture 🏢 Description: We are looking for an experienced Full-Stack / Backend Developer to join our team and help build scalable applications and APIs supporting our clients’ products. You will work on both backend and frontend solutions, contributing to product development, system improvements, and ongoing platform stability. Your Responsibilities Develop new APIs to support client integrations and business features. Maintain and enhance existing backend and frontend applications. Fix bugs and improve application performance and reliability. Upgrade and support operational aspects of the platform. Identify opportunities to improve product quality, architecture, and development processes. Collaborate with developers, product teams, and stakeholders to deliver high-quality solutions. Participate in code reviews and contribute to best engineering practices. Required Skills Minimum 3 years of commercial experience with: Java Spring Boot AWS MongoDB PostgreSQL React.js Experience designing and developing REST APIs. Knowledge of backend architecture and modern web applications. Experience working with cloud-based environments (AWS). Understanding of software development best practices and clean code principles. Ability to work in an Agile development environment.