April 24, 2026

Senior .NET Engineer

Senior • Remote

5,500 - 6,000 USD

Krakow, Poland

#4736

14:00-20:00 CET working hours

In this role, you will be a member of the Account Provisioning and Usage platform development team. We are responsible for ensuring that customers receive the features and services that they’ve purchased across a growing suite of customer's products and features. You will work closely with product and other engineers to deliver and develop backend platform service features in a scalable and secure manner. You will use your experience working with production web applications at scale to design, implement and maintain RESTful and GRPC APIs, microservices and integrations with external services.

A successful person in this role will want to work in an environment where you are challenged to continue learning and growing. Where your voice and opinions will be heard and you can make a real difference. You will work closely with Product Management, Core Engineering, and internal Business and Partner teams to enable delivering value to customers faster. The client is transforming the way that our customers create, commit, and manage agreements. Our team is working on highly visible and impactful work to simplify and modernize the way features are packed and managed across single and multi-account customers and we need talented developers to help us get there!

Responsibilities:

  • Designing, developing and maintaining modern web features and service integrations for our backend platform services

  • Delivering secure, performant, scalable and reusable enterprise quality code utilizing Agile practices and a Continuous Integration and Deployment CI/CD pipeline

  • Collaborating through code reviews, pair programming and online remote communication to help ensure we ship scalable, secure and highly available code

  • Mentoring team members who are learning skills which you have mastered

  • Keeping current with the latest software engineering best practices and sharing with the team to continuously increase quality, efficiency and productivity

  • Apply strong analytical skills and ability to investigate and update code that you are unfamiliar with

Basic Qualifications:

  •  A bachelor’s degree in Computer Science, Computer Engineering, or other related engineering field, or comparable industry experience within a software organization

  •  3+ years of experience implementing and maintaining backend services, including RESTful or grpc API endpoints using a modern software language and/or framework

  • Professional experience with server-side development

  • Experience with microservice architecture, design, and implementation on Azure, AWS, GCP or other cloud environments.

  • Experience writing logging, monitoring, alerts and dashboards to detect and diagnose live issues.

Preferred Qualifications:

  •  Experience developing in C#

  • Experience working in an agile development environment

  • Experience in integrating with web-based products

  • Strong organizational, problem-solving and communication skills

  • A demonstrated willingness to assist other team members through brainstorming, mentorship, pair-programming, knowledge-sharing and creative problem solving

Similar jobs you might like

Technology

N-iX

Junior Java Engineer

Junior

Remote

Krakow, MA, Poland

1,500 - 2,000 USD

🏢 Summary: Entry-level Backend Engineer role focused on supporting the development of backend services and REST APIs under senior guidance. The position involves contributing to production systems, writing tested and maintainable code, and collaborating within a cross-functional engineering team. Ideal for candidates with foundational Java experience seeking hands-on experience in scalable and secure systems. 🗂️ Requirements: Bachelor's degree in Computer Science or related field (or currently pursuing), Minimum 0.5 years of Java experience, Practical experience with RESTful APIs, Ability to work with HTTP methods, status codes, and JSON, Experience writing SQL queries (SELECT, JOIN, WHERE, GROUP BY) or using ORM, Basic understanding of SQL and NoSQL differences, Knowledge of data structures and algorithms, Ability to use Git in a team environment (branching, pull requests, merge conflicts), Experience writing unit tests, Experience contributing code to production through review and deployment process 📃 Skills: Java, REST, HTTP, JSON, SQL, NoSQL, ORM, Git, JUnit, Pytest, Jest, CI, Algorithms, DataStructures, APIs, Testing 🏢 Description: (5190) About This Role You will be a part of the Engineering team and reports to our Manager, Engineering. You will support the development of backend services and APIs that power customer’s products. Working under close guidance from experienced engineers, you will gain hands-on experience contributing to real-world systems while learning best practices in software development, scalability, and security. Key Responsibilities Support the development of backend services and APIs under direct supervision of senior engineers Assist with writing clean, maintainable, and well-documented code following team standards Help debug, test, and troubleshoot backend systems and services Contribute to small tasks or components within larger projects Collaborate with cross-functional teams including Frontend, Product, and DevOps Participate in code reviews and apply feedback to improve technical skills Assist in writing unit tests and validating functionality Document technical processes and development work Required Qualifications Bachelor's degree in Computer Science or a related field; Currently pursuing is also an option Strong theoretical knowledge of Java, at least 0.5 years of experience Practical experience building and consuming RESTful APIs — HTTP methods, status codes, JSON, request/response handling, basic error handling. Working knowledge of databases — has written real SQL queries (SELECT, JOIN, WHERE, GROUP BY) or used an ORM in production code; understands the difference between SQL and NoSQL at a basic level. Solid understanding of data structures and algorithms — arrays, hash maps, trees, basic Big-O analysis — sufficient to discuss simple coding problems and reason about correctness. Comfortable with Git in a team setting — branching, pull requests, code review, addressing feedback, resolving merge conflicts; has worked in a shared repository with at least one other developer. Hands-on experience writing unit tests for their own code (pytest, JUnit, Jest, or equivalent), and basic familiarity with how testing fits into a CI pipeline. Demonstrated ability to ship code to production — even small features or bug fixes — through a real review and deployment process; ability to clearly describe what they built, how it was reviewed, and how it was tested. Genuine interest in cryptocurrency, blockchain, or Web3 (self-taught is fine — owning crypto, reading, side projects, hackathons) and willingness to learn the regulated FinTech context; English level: Upper-intermediate or higher, sufficient for daily team communication and code review discussions. Bonus: exposure to Linux / command line, Docker basics, message queues (Kafka, RabbitMQ), cloud platforms (AWS, GCP), open-source contributions, hackathon participation, or an active public GitHub portfolio.

Technology

N-iX

Senior Fullstack (React+Next.js)

Senior

Remote

Krakow, Poland

5,500 - 6,000 USD

🏢 Summary: Frontend Platform Engineer role focused on building a scalable, secure micro-frontend architecture for a global SaaS platform operating in regulated environments. The position involves developing reusable UI components, maintaining a shared frontend platform, and implementing robust CI/CD pipelines for high-availability deployments. The role emphasizes performance, security-by-default principles, and integration with backend services at enterprise scale. 🗂️ Requirements: 4+ years of professional software development experience, Strong proficiency in TypeScript, Strong proficiency in React, Experience building production-grade reusable frontend component libraries, Experience with frontend testing frameworks and test automation, Solid experience with Next.js, Solid experience with Node.js, Solid experience with Express, Experience delivering SaaS products, Experience integrating with RESTful or gRPC services, Experience working with CI/CD pipelines 📃 Skills: TypeScript, React, Next.js, Node.js, Express, CI/CD, REST, gRPC, Micro-frontend, JSON, XML, Azure, DevOps, Agile, TDD, Telemetry 🏢 Description: #4729 Our Client is building a SaaS platform used globally to streamline business-critical workflows and transform document-driven processes into intelligent, automated systems. Their platform powers agreement lifecycle experiences at a massive scale, serving millions of organizations across highly regulated and enterprise environments. The team develops a unified, widget-based frontend platform that standardizes how product teams deliver modern, high-performance user interfaces. This platform provides a shared shell, micro-frontend architecture, and automated CI/CD pipelines that distribute versioned UI components globally with high reliability. Part of the work includes supporting secure, compliance-heavy environments designed for federal-grade workloads. Engineers design systems that are secure by default, privacy-aware, and built on zero-trust principles. The role involves solving advanced platform challenges such as resilient rollouts, deterministic builds, telemetry without exposing sensitive data, and high-availability architecture in constrained environments. This is an opportunity to shape platform standards, performance practices, and developer tooling in a system operating at meaningful scale. Responsibilities Design and implement reusable frontend components within a micro-frontend architecture. Build and maintain a shared UI platform that enables consistent user experiences across products. Develop scalable CI/CD pipelines that publish versioned frontend artifacts for global delivery. Contribute to secure-by-default engineering patterns aligned with compliance requirements. Optimize performance, observability, and reliability across distributed frontend systems. Collaborate with cross-functional teams to define platform standards and engineering best practices. Integrate frontend systems with RESTful and/or gRPC backend services. Support high-availability deployments in regulated or restricted environments. Required Qualifications 4+ years of professional software development experience. Strong proficiency in TypeScript and React. Experience building reusable, production-grade frontend component libraries. Experience with frontend testing frameworks and test automation. Solid experience with Next.js , Node.js , and Express . Proven track record delivering SaaS products. Preferred Qualifications Experience across the full software development lifecycle. Familiarity with schema modeling (e.g., JSON Schema or XML Schema). Experience with Agile and test-driven development methodologies. Experience with Azure DevOps or comparable CI/CD tooling. Knowledge of micro-frontend frameworks. Experience building or consuming RESTful or gRPC services. Strong written communication skills in asynchronous environments. Passion for platform engineering and high-quality software craftsmanship.

Technology

N-iX

Lead .NET Engineer (Service Protection)

Senior

Remote

Krakow, Poland

6,500 - 7,000 USD

🏢 Summary: Design and build highly scalable, resilient eSignature platform services within a high-availability, bank-grade secure environment. Architect and develop distributed web services and APIs powering AI-driven, multi-screen customer experiences. Drive engineering excellence through CI/CD, automation, and scalable system design across the full stack. 🗂️ Requirements: 8+ years software engineering experience in high-scale distributed systems, 8+ years experience building resilient, highly available web services, Experience documenting architectural standards and decisions, Full-stack development experience, Degree in Computer Science or equivalent experience 📃 Skills: DistributedSystems, WebServices, APIs, Fullstack, Architecture, NodeJS, Java, C#, SQL, NoSQL, SaaS, Cloud, CICD, Telemetry, Automation 🏢 Description: #4733 In this position, you will help build the next generation of Client's eSignature Platform Services for the Service Protection Engineering team. You will build highly scalable, performant applications and services in an environment with high availability and bank grade security. You will be part of a team of great engineers focusing on delivering quality products, and services that live directly in the heart of our customer’s workflows. You will be focusing on building solutions that are intuitive yet powerful to meet the wide range of needs of our customers. Responsibilities : Architect, implement and maintain some of Client's highest scale services. Build APIs to power the next generation of Customer's multi-screen experiences that are responsive, highly performant and AI driven. Help drive developer efficiencies through engineering best practices, automation, and CI/CD. Work with world class telemetry systems to work through complex problems and solve them with data. Guide and mentor other engineers through design and code reviews. Revolutionize Client core services and APIs. Think through how systems will scale and fail as they grow. Take complicated problems and break them down into bite sized pieces, then ship every few weeks to get there. Work throughout the stack, from network protocols to database performance and back. Must have : 8+ years of software engineering experience in high scale distributed systems. 8+ years of experience building resilient and highly available web services. Experience documenting architectural standards and decisions. Experience in full stack development. B.S., M.S., or PhD in Computer Science or equivalent experience. Nice to have : Experience with languages like NodeJS, Java, and C#. Database experience, both with SQL and NoSQL. Experience with SaaS or Cloud. Experience with CI/CD.

Technology

N-iX

Lead Fullstack (React+Next.js)

Senior

Remote

Cracow, Poland

6,500 - 7,000 USD

🏢 Summary: Senior Frontend Platform Engineer role focused on building and scaling a secure, micro-frontend-based SaaS UI platform used in highly regulated, enterprise environments. The position involves developing reusable components, CI/CD pipelines, and high-availability frontend systems integrated with REST/gRPC services. Engineers shape platform standards, performance, and secure-by-default practices at global scale. 🗂️ Requirements: 8+ years of professional software development experience, Strong proficiency in TypeScript, Strong proficiency in React, Experience building production-grade reusable frontend component libraries, Experience with frontend testing frameworks and test automation, Solid experience with Next.js, Solid experience with Node.js, Solid experience with Express, Experience delivering SaaS products, Experience integrating with RESTful or gRPC services 📃 Skills: TypeScript, React, Next.js, Node.js, Express, JavaScript, REST, gRPC, CI/CD, Azure, JSON, XML, Micro-frontend, Agile, TDD 🏢 Description: #4727 Our Client is building a SaaS platform used globally to streamline business-critical workflows and transform document-driven processes into intelligent, automated systems. Their platform powers agreement lifecycle experiences at a massive scale, serving millions of organizations across highly regulated and enterprise environments. The team develops a unified, widget-based frontend platform that standardizes how product teams deliver modern, high-performance user interfaces. This platform provides a shared shell, micro-frontend architecture, and automated CI/CD pipelines that distribute versioned UI components globally with high reliability. Part of the work includes supporting secure, compliance-heavy environments designed for federal-grade workloads. Engineers design systems that are secure by default, privacy-aware, and built on zero-trust principles. The role involves solving advanced platform challenges such as resilient rollouts, deterministic builds, telemetry without exposing sensitive data, and high-availability architecture in constrained environments. This is an opportunity to shape platform standards, performance practices, and developer tooling in a system operating at meaningful scale. Responsibilities : Design and implement reusable frontend components within a micro-frontend architecture. Build and maintain a shared UI platform that enables consistent user experiences across products. Develop scalable CI/CD pipelines that publish versioned frontend artifacts for global delivery. Contribute to secure-by-default engineering patterns aligned with compliance requirements. Optimize performance, observability, and reliability across distributed frontend systems. Collaborate with cross-functional teams to define platform standards and engineering best practices. Integrate frontend systems with RESTful and/or gRPC backend services. Support high-availability deployments in regulated or restricted environments. Required Qualifications : 8+ years of professional software development experience. Strong proficiency in TypeScript and React. Experience building reusable, production-grade frontend component libraries. Experience with frontend testing frameworks and test automation. Solid experience with Next.js , Node.js , and Express . Proven track record delivering SaaS products. Preferred Qualifications : Experience across the full software development lifecycle. Familiarity with schema modeling (e.g., JSON Schema or XML Schema). Experience with Agile and test-driven development methodologies. Experience with Azure DevOps or comparable CI/CD tooling. Knowledge of micro-frontend frameworks. Experience building or consuming RESTful or gRPC services. Strong written communication skills in asynchronous environments. Passion for platform engineering and high-quality software craftsmanship.

Technology

Appliscale

Senior C# Engineer

Senior

Remote

Krakow, Poland

19,500 - 24,000 PLN

🏢 Summary: Backend Software Engineer role focused on building, testing, and maintaining C#/.NET-based backend systems and microservices. The position involves designing system architecture, developing REST/GraphQL APIs, and ensuring reliable CI/CD-driven deployments. You will work on scalable systems used across multiple European markets. 🗂️ Requirements: 5+ years of commercial experience in C# development, Strong experience with .NET Core and .NET Framework, Solid knowledge of data structures and algorithms, Strong understanding of software engineering principles and testing, Experience with PostgreSQL, MSSQL, or DynamoDB, Experience designing and implementing REST or GraphQL APIs, Hands-on experience with CI/CD processes, Knowledge of OOP, SOLID principles, and Clean Code, Experience designing software architecture for distributed systems 📃 Skills: C#, .NETCore, .NETFramework, TypeScript, REST, GraphQL, PostgreSQL, MSSQL, DynamoDB, CICD 🏢 Description: About the role You will need to be proficient in C# backend development with a thorough understanding of the .NET 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: C#, .NET Core, .NET Framework, TypeScript, JavaScript, Python, Node.js, REST/GraphQL APIs, React, AWS, Terraform Responsibilities Designing, writing, testing functionalities for a backend system written in C# Design software architecture between backend, frontend and mobile apps Deploying and maintaining microservices in AWS using Terraform Debugging and maintaining system on production used by consumers from several European countries Scoping and assessing the complexity of features Participating in sprint planning, daily sprints and meetings with product owners for grooming new features Collaborating with other team members and teams who depend on functionalities that you develop Recruiting and mentoring new team members Required qualifications 5+ years of production software development experience in C# engineer role Solid hands-on experience in .NET Core and .NET Framework technologies Experience in working with AWS and Terraform / CloudFormation Strong knowledge of DBMS like MS SQL / PostgreSQL / DynamoDB Expertise of REST APIs Strong hands-on experience of CI&CD processes Proficiency in OO design patterns, SOLID principles, Clean Code and solving architectural problems Computer Science degree AI Tooling usage 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 Experience in developing Cloud and Infrastructure solutions with AWS and CI/CD processes supported by tools like Docker, Kubernetes, Jenkins, Terraform, CircleCI, GitlabCI, Datadog, etc. Exposure to frontend development in React Working experience with one of the object-oriented and/or functional languages such as Java, TypeScript, Elixir, C++, Golang, Erlang, Python, Kotlin

Technology

Appliscale

Senior .NET Full Stack Developer

Senior

Remote

Krakow, Poland

19,500 - 25,000 PLN

🏢 Summary: Full-stack software engineering role focused on building, deploying, and maintaining backend systems in C#/.NET and frontend applications in React or Angular. The position involves designing system architecture, developing microservices in AWS, and working within Agile teams to deliver scalable production solutions. Strong emphasis on cloud infrastructure, CI/CD, and clean architectural practices. 🗂️ Requirements: 5+ years of production experience in C# development, Hands-on experience with .NET Core and .NET Framework, Experience with React or Angular, Experience designing and consuming REST APIs, Experience with AWS and Terraform or CloudFormation, Experience with CI/CD processes, Knowledge of MS SQL, PostgreSQL, or DynamoDB, Understanding of OO design patterns and SOLID principles, Computer Science degree, Experience working in Agile (SCRUM or Kanban), Proficiency in English 📃 Skills: C#, .NET, TypeScript, JavaScript, Node.js, React, Angular, AWS, Terraform, CloudFormation, REST, SQL, PostgreSQL, DynamoDB, CI/CD, SCRUM, Kanban 🏢 Description: About the role You will need to be proficient 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: C#, .NET Core, .NET Framework, Typescript, JavaScript, Node.js, REST APIs, React, Angular, AWS, Terraform Responsibilities: Designing, writing, testing functionalities for a backend system written in C# and a frontend system written in React or Angular & TypeScript Design software architecture between backend, frontend and mobile apps 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 Collaborating with other team members and teams who depend on functionalities that you develop Recruiting and mentoring new team members Required qualifications: 5+ years of production software development experience in C# engineer role Exposure and experience in frontend development in React or Angular frameworks Solid hands-on experience in .NET Core and .NET Framework technologies Experience in working with AWS and Terraform / CloudFormation Strong knowledge of DBMS like MS SQL / PostgreSQL / DynamoDB Expertise of REST APIs Strong hands-on experience of CI&CD processes Proficiency in OO design patterns, SOLID principles, Clean Code and solving architectural problems Computer Science degree AI Tooling usage 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: Working experience with one of the object-oriented and/or functional languages such as Java, Elixir, C++, Golang, Erlang, Python, Kotlin

Technology

Appliscale

Mid Fullstack Engineer C#

Mid

Remote

Krakow, Poland

14,000 - 20,000 USD

🏢 Summary: Full-stack C#/.NET engineer role focused on building, testing, deploying and maintaining backend microservices and frontend applications using React or Angular. The position involves working with AWS and Terraform, maintaining production systems, and collaborating in Agile teams to deliver new features. Strong emphasis on software engineering principles and modern cloud-based architectures. 🗂️ Requirements: 3+ years commercial experience in C# development, .NET Core and .NET Framework experience, Frontend development with React or Angular and TypeScript, Experience with REST APIs, Knowledge of MS SQL, PostgreSQL or DynamoDB, Understanding of OOP, SOLID and Clean Code principles, Experience with microservices architecture, AWS and Terraform experience, Knowledge of testing, data structures and algorithms, Computer Science degree, Experience with Agile (SCRUM or Kanban), AI tooling usage 📃 Skills: C#, .NET, .NETCore, .NETFramework, TypeScript, JavaScript, Node.js, React, Angular, REST, AWS, Terraform, MSSQL, PostgreSQL, DynamoDB, Microservices, Docker, Kubernetes, Jenkins, CircleCI, GitlabCI, Datadog, CICD 🏢 Description: About the role You will need to be proficient 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: C#, .NET Core, .NET Framework, Typescript, JavaScript, Node.js, React, REST APIs, React, Angular, AWS, Terraform Responsibilities: Designing, writing, testing functionalities for a backend system written in C# and a frontend system written in React or Angular & TypeScript Deploying and maintaining microservices in AWS using Terraform Maintaining system on production used by consumers from several European countries Debugging issues Participating in sprint planning, daily sprints and meetings with product owners for grooming new features Collaborating with other team members and teams who depend on functionalities that you develop Required Qualifications: 3+ years of production software development experience in C# engineer role Strong understanding of software engineering principles, testing, data structures and algorithms Hands-on experience in .NET Core and .NET Framework technologies Good knowledge of DBMS like MS SQL / PostgreSQL / DynamoDB Know-how of REST APIs Understanding of OO design patterns, SOLID principles and Clean Code Computer Science degree AI Tooling usage 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.

Technology

Appliscale

Senior Fullstack Engineer C#

Senior

Hybrid

Krakow, Poland

19,500 - 25,000 PLN

🏢 Summary: Full-stack C#/.NET engineer role focused on building, deploying, and maintaining backend microservices and modern frontend applications in React or Angular. The position involves designing system architecture, developing REST APIs, and managing cloud infrastructure on AWS using Terraform. You will work on production systems used across multiple European countries within an Agile environment. 🗂️ Requirements: 5+ years production experience as C# engineer, Strong frontend experience with React or Angular, Hands-on experience with .NET Core and .NET Framework, Experience with AWS and Terraform or CloudFormation, Experience with MS SQL, PostgreSQL, or DynamoDB, Expertise in REST APIs, Strong experience with CI/CD processes, Knowledge of OOP, SOLID principles, Clean Code, Experience in software architecture design, Computer Science degree, Experience with AI tooling, Experience working in Agile (SCRUM or Kanban) 📃 Skills: C#, .NET, .NETCore, TypeScript, JavaScript, Node.js, REST, React, Angular, AWS, Terraform, CloudFormation, MSSQL, PostgreSQL, DynamoDB, CICD, OOP, SOLID, CleanCode, Microservices, SCRUM, Kanban 🏢 Description: About the role You will need to be proficient 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: C#, .NET Core, .NET Framework, Typescript, JavaScript, Node.js, REST APIs, React, Angular, AWS, Terraform Responsibilities: Designing, writing, testing functionalities for a backend system written in C# and a frontend system written in React or Angular & TypeScript Design software architecture between backend, frontend and mobile apps 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 Collaborating with other team members and teams who depend on functionalities that you develop Recruiting and mentoring new team members Required qualifications: 5+ years of production software development experience in C# engineer role Exposure and experience in frontend development in React or Angular frameworks Solid hands-on experience in .NET Core and .NET Framework technologies Experience in working with AWS and Terraform / CloudFormation Strong knowledge of DBMS like MS SQL / PostgreSQL / DynamoDB Expertise of REST APIs Strong hands-on experience of CI&CD processes Proficiency in OO design patterns, SOLID principles, Clean Code and solving architectural problems Computer Science degree AI Tooling usage 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: Working experience with one of the object-oriented and/or functional languages such as Java, Elixir, C++, Golang, Erlang, Python, Kotlin.

Technology

Spyrosoft

Senior .NET Developer with Angular

Senior

Remote

Wroclaw, Poland

100 - 140 PLN

🏢 Summary: Full-stack freelance role focused on building scalable, cloud-native applications using .NET and Angular within the Azure ecosystem. The position involves translating complex business requirements into high-quality software solutions while applying modern architectural patterns and Agile delivery practices. The contract is project-based B2B for an initial 12-month period. 🗂️ Requirements: 4+ years experience with .NET technologies (C#, .NET Core, EF/ORM, WCF), 3+ years experience with Angular or strong React background with recent Angular experience, 2+ years hands-on experience with Azure services (Functions, Logic Apps, Web Apps), Advanced knowledge of architectural and design patterns, Experience with SOAP and REST web services, Experience with SQL and SQL Server, Experience with Git and CI/CD pipelines, Experience with Unit Testing, Fluent English 📃 Skills: .NET, .NETCore, C#, EntityFramework, ORM, WCF, Angular, React, Azure, Functions, LogicApps, WebApps, SQL, SQLServer, Git, CI/CD, SOAP, REST, Agile, UnitTesting 🏢 Description: Join an international team of experts delivering high-impact software solutions for global clients. In this role, you will work in a full-stack capacity, translating complex business requirements into scalable, cloud-native applications. You will collaborate with top-tier professionals to design and implement innovative solutions that address real-world engineering challenges while ensuring the highest industry standards. Form of cooperation: freelance project-specific B2B contract for an initial period of approximately 12 months. Tech stack: Backend: .NET / .NET Core, C#, Entity Framework (or other ORM), WCF, SOAP/REST APIs. Frontend: Angular (primary), React. Cloud: Azure (Functions, Logic Apps, Web Apps, SQL Server). Data: SQL Server. DevOps/Tools: Git, CI/CD, Agile, Unit Testing. Requirements: 4+ years of professional experience with .NET technologies (C#, .NET Core, EF/ORM, WCF) 3+ years of experience in Angular (or strong React background with recent Angular experience) 2+ years of hands-on experience with Azure services (e.g., Functions, Logic Apps, Web Apps) Advanced knowledge of Architectural and Design Patterns Proficiency in Web Services (SOAP/REST) and SQL Experience with Git, Continuous Integration, and Continuous Delivery pipelines Fluent English (written and spoken) for effective international communication Ideally, you’ll also have: Azure Cloud certifications Main responsibilities: Full-Stack Development: Address complex software engineering problems using both object-oriented and functional programming styles. Quality Assurance: Maintain high standards of code quality and testing through Clean Code and Unit Testing practices. Cloud Engineering: Design and develop scalable solutions utilizing a wide range of Azure-hosted services and tools. Agile Delivery: Implement Agile methodologies and modern software delivery techniques, including CI/CD and automated deployment. Professional Growth: Proactively adopt new technologies and frameworks within the Azure Cloud ecosystem to drive project success.

Technology

Link Group

Java Developer with Azure

Mid

Remote

Warsaw, Poland

110 - 135 PLN

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