Jobs C# / .NET

We are looking for an enthusiastic and proactive Intern .NET + Angular Developer to join our dynamic team!

Requirements:
— Solid understanding of object-oriented programming (OOP);
— Good knowledge of C#, .Net Standard, .NET 6+, ASP Web API;
— Basic knowledge of Unit testing;
— Basic knowledge of MSSQL;
— Knowledge of Angular(React) + TypeScript;
— Upper-Intermediate English level (both written and spoken);
— Proficiency with Source Control tools such as Git.

Would be a plus:
— Basic understanding of GoF Design Patterns;
— Understanding of microservice architecture;
— Containerization (basics of Docker/Kubernetes) + Azure;
— Attention to details;
— Practice experience in pet projects.

Responsibilities:
— Develop project functionalities;
— Manage databases with MS SQL;
— Implement frontend features with Angular.

We offer:
— 3-month Internship schedule: Monday to Friday, 10.00-19.00;
— Office-based/remote work;
— No time trackers or other bureaucratic measures;
— Practical experience on internal projects;
— Networking with experienced professionals willing to share their knowledge and experience;
— Opportunity to obtain a contract with HYS Enterprise as a Junior specialist;
— Gifts for birthdays and professional holidays;
— Participation in internal and external events.
Upon successful completion of the internship and mutual agreement to proceed with a contract, the candidate is expected to commit to working with us for a minimum of one year.

TemaBit Fozzy Group is an IT company that develops unique solutions for more than 40 businesses of Fozzy Group. We specialize in web and mobile development, as well as software for managing business processes and infrastructure projects.

In addition, we experiment and care about the team and the Guest, we value cooperation, we preach honesty and openness.

As a Junior .NET Developer, you will contribute to building and maintaining high-quality backend systems and applications. Under the guidance of senior team members, you will enhance your technical skills in .NET development and gain experience in backend architectures and cloud-based systems. You will also start learning how to effectively use AI-assisted development tools to improve your coding, problem-solving, and learning process.

This role is an excellent opportunity to grow as a professional in a supportive and collaborative environment.

Key Responsibilities:

• Develop backend systems using .NET, ensuring basic code quality and maintainability
• Collaborate with the engineering team to implement web applications and backend solutions
• Learn and follow engineering best practices
• Participate in the software development lifecycle under the guidance of senior developers
• Contribute to the implementation of scalable and efficient solutions
• Use AI-powered tools (e.g., GitHub Copilot, Amazon Q, ChatGPT) to assist with coding, learning new concepts, and generating documentation
• Follow senior developers' guidance on responsible and secure usage of AI tools in daily work

Requirements:

• 1+ year of experience in .NET development
• Good knowledge of .NET 8+
• Openness to adopting AI-assisted tools to speed up learning and improve productivity
• Familiarity with relational databases (e.g., SQL Server, PostgreSQL)
• Understanding of ORMs like Entity Framework or Dapper
• Understanding of object-oriented programming (OOP) principles
• Familiarity with version control systems like Git
• Familiarity with Agile/Scrum methodologies and eagerness to work in an Agile environment
• Willingness to learn and grow under supervision in areas like microservices architecture, scalable software design, etc.

Nice-to-have Skills & Experience:

• Curiosity about AI technologies and their application in software development
• Familiarity with cloud platforms (e.g., AWS, Azure, or GCP)
• Basic understanding of containerization tools like Docker
• Exposure to testing frameworks (e.g., xUnit, NUnit)

We propose:

• The ability to generate and influence decision-making
• Competitive salary discussed based on the results of the interview with the successful candidate
• Medical insurance
• Discounts for network employees
• Remote work mode, and if you want to work in the office — there is a cozy co-working space in the Silver Breeze business center (Kyiv)

TemaBit Fozzy Group is an IT company that develops unique solutions for more than 40 businesses of Fozzy Group. We specialize in web and mobile development, as well as software for managing business processes and infrastructure projects.

In addition, we experiment and care about the team and the Guest, we value cooperation, we preach honesty and openness.

You will play a key role in our engineering team by leading the design, development, and maintenance of high-quality applications. Your expertise in Backend (with focus on Cloud Native) and Frontend development, coupled with a solid understanding of backend architectures, will drive the creation of scalable, efficient, and secure software solutions. You will mentor other developers, contribute to architectural decisions, and ensure the delivery of robust applications that meet business needs.

Key Responsibilities:

• Lead the development of backend and frontend systems using .NET (with focus on Cloud Native development) and React JS, ensuring code quality, performance, and scalability
• Collaborate within cross-functional engineering team and with other teams to design and develop high-quality web applications
• Drive engineering excellence by adopting and following engineering best practices in your team
• Participate in the entire software development lifecycle, from concept to deployment
• Contribute to the architecture and implementation of scalable and efficient solutions
• Mentor junior and middle developers, guiding them through code reviews, and fostering a culture of continuous learning and improvement
• Define and promote best practices for using AI-assisted development tools (e.g., Claude Code, GitHub Copilot) to streamline coding, testing, documentation, and problem-solving

• Provide strategic guidance on how AI can enhance software development processes and overall team performance

   

Requirements:

• 5+ years of .NET development
• Proficiency in .NET 8+
• Proven experience with AI-assisted development tools and the ability to coach others on effective usage
• Experience of AWS Cloud Native development with focus on Serverless; familiarity with AWS services (i.e. Lambda, API Gateway, DynamoDB, S3, and EC2)
• Experience with Front End development using one of popular frameworks (React, Vue, Angular)
• Track record of implementing microservices based back-ends
• Strong knowledge of Entity Framework / EF Core / Dapper
• Deep understanding of DDD, Event Sourcing, CQRS
• Understanding of relational and non-relational databases
• Experience with xUnit or similar with testing frameworks
• Experience with containerization and orchestration technologies (Docker, Kubernetes)
• Understanding of Infrastructure as Code principle (experience with CDK will be a plus)
• Understanding of Agile/Scrum methodologies and experience working in an Agile environment
• Intermediate/B1 English Level, ability to read & write tech documentation

• Excellent communication & collaboration skills

   

Nice-to-have Skills & Experience:

• Experience with DynamoDB and PostgreSQL
• Experience building Gitlab CI/CD pipelines

• Successful mentoring experience

   

We propose:

• The ability to generate and influence decision-making
• Competitive salary discussed based on the results of the interview with the successful candidate
• Medical insurance
• Discounts for network employees
• Remote work mode, and if you want to work in the office — there is a cozy co-working space in the Silver Breeze business center (Kyiv)

Are you ready to take architectural ownership of a cutting-edge cloud-based payroll and HR SaaS platform? We are looking for a Senior-level Principal Software Engineer (.NET) to join our distributed team and drive technical excellence in a high-impact product used by small businesses and accounting firms across North America.

We at Sigma Software have been collaborating with our Customer for 3 years, delivering solutions that save time, reduce compliance risks, and improve operational efficiency.

Why join us? You will work with modern technologies, influence architecture, mentor engineers, and explore AI-driven development tools, all while contributing to a product that makes a real difference.

Customer

Our Customer is a provider of payroll and HR solutions for small businesses and accounting firms across North America. They focus on simplifying payroll processing, ensuring tax compliance, and improving operational efficiency through seamless integrations with accounting systems.

Project

The project is a cloud-based payroll and HR SaaS platform designed to streamline payroll processing, tax filing, and employee management. It leverages distributed systems, microservices architecture, and scalable cloud infrastructure hosted on Azure. AI-driven development tools are actively used to boost productivity and code quality.

Key Technologies: .NET Core, EF, MSSQL, Redis, Azure Table Storage, xUnit

Responsibilities

• Lead the complete development lifecycle for new features from design to deployment
• Design and implement distributed systems and microservices architecture
• Set up, deploy, and manage scalable cloud infrastructure with automation
• Ensure service performance meets SLA requirements through proactive monitoring
• Drive architecture discussions and document designs aligned with business goals
• Research and advocate for AI-driven development tools
• Influence technology strategy and drive innovative practices

Requirements

• 7–8+ years professional experience with .NET Framework and C#/.NET Core
• 2–3+ years in principal, architect, or senior technical leadership roles
• Expert knowledge of ASP.NET, microservices architecture, RESTful API design
• Experience with AI-assisted development beyond code generation
• Knowledge of frontend frameworks (React or Angular)
• Strong expertise in relational (SQL Server) and NoSQL databases
• Deep understanding of software architecture, design patterns, clean coding standards
• Expertise in performance optimization and security best practices
• Proficiency with cloud platforms (Azure, AWS, GCP)
• Experience with AI code generation tools (Cursor or similar)
• Proficiency with Infrastructure as Code tools (Terraform, CloudFormation)
• Experience with containerization (Docker, Kubernetes)
• CI/CD pipeline setup and automated testing frameworks

• Excellent communication skills for both technical and non-technical audiences

   

WILL BE A PLUS

• Familiarity with payroll or HR SaaS domain

• Contributions to open-source projects in .NET ecosystem

   

Personal Profile

• Strategic thinker with strong architectural vision
• Hands-on leader who enjoys mentoring
• Comfortable working in distributed teams
• Proactive in adopting emerging technologies

Akvelon Inc. (USA) works in the field of software engineering based on a variety of technologies. Our company is a member of the vendor program, which gives employees the opportunity to work with clients in the United States and other countries (Microsoft, Facebook, Airbnb, Dropbox, Pinterest, and many others). This is a great opportunity to learn from and work with leading engineers of world-renowned companies.

About project

Our team is focused on driving our Cloud Supply Chain digital transformation. The team plays a critical role in ensuring the financial impact of operational decisions can be measured comprehensively and at scale. If you are seeking an agile environment that ships frequently while maintaining a focus on long-term bets, enjoy driving innovation in a fast-paced engineering team, and yearn to build highly scalable distributed services, this is the right opportunity for you!
We are looking for an experienced, talented, and motivated software engineer to transform how the client delivers cloud computing resources around the world. We work with multiple engineering and business teams to connect data and systems that enable critical business decision-making.
 

Requirements:

- Solid knowledge of .NET (Framework and Core)
- Strong knowledge and experience in Azure
- Experience with PowerShell
- Experience with ARM templates 
- Strong experience with Unit and Integration Testing
- Good understanding of object-oriented skills, SOLID programming principles, and design patterns

Responsibilities:

- Develop and maintain back-end services for a large-scale cloud platform
- Build and support CI/CD pipelines
- Participate in one-week on-call rotations during business hours
- Collaborate closely with cross-functional engineering teams
- Ensure high-quality, scalable, and secure service delivery
- Implement automation and optimizations across the platform
- Contribute to design and architecture discussions

We are searching a Senior .NET developer for one of the client for Outsourcing Company

Technical Skills
▪️ Expert (10+ years) C#.NET experience and expertise;
▪️ Understanding of how to apply microservice architectures successfully, with expert knowledge of many patterns and techniques, including the tradeoffs of each. Experience working with microservices in more than one context;
▪️ Significant (2+ years) experience with event-driven architectures and event streaming/messaging tools like Kafka (preferred), Pulsar, RabbitMQ, etc.;
▪️ Experience using NoSQL databases - ElasticSearch (preferred), Dynamo, MongoDB, Redis, etc. Understanding of which database is best deployed depending on the use case.;
▪️ Proven ability to identify opportunities for best practice improvements and drive change across multiple teams;
▪️ Ability to tackle the most complex technical problems independently;
▪️ Evidence of driving complex technical decisions involving multiple stakeholders in critical areas;
▪️ Ability to pre-empt technical risks, raise awareness, and coordinate mitigation of the risk;
▪️ Track record of quickly learning about complex architectures and code-bases and becoming an expert;
▪️ Strong knowledge of deploying and scaling cloud applications, including use of containerization (Docker) and orchestration (Kubernetes);
▪️ Experience working in an Agile environment;
▪️ Technical leadership experience (3+ years), including mentoring other engineers. Examples could include leading projects or initiatives, leading a team, organizing engineering community events, etc.;

Symbotic’s talented and diverse workforce develops disruptive robotic solutions for warehouse automation and supply chain transformation, drives results, and focuses on customer satisfaction. Our modular and scalable solutions utilize existing space and high-speed robotics combined with proprietary software and technology. Since forming in 2007, Symbotic has grown to over 1000 employees in North America and supports an impressive, high-profile customer base. We seek candidates who are passionate about our solution and approach problem-solving with a creative mind and a commitment to excellence. If you seek a challenge and want to impact the way the world distributes products from manufacturers to store shelves, we invite you to join our team.

Job Description

• 4+ years of professional experience developing C# .NET software applications
• Experience with .NET Framework, .NET Standard, .NET 
• Strong understanding of OOP paradigm and principles
• Good understanding and experience with GoF patterns and SOLID principles
• Good understanding of asynchronous development approaches (threads, tasks etc.)
• Experince with WPF
• Experience with WEB UI design (Angular, React, etc)
• Experience of automated tests creation
• Understanding Source control systems (Git is preferable)
• Understanding of CI/CD practices
• Experience with Microservices, WCF, RabbitMQ, Http, Rest, TCP/IP, Redis would be a plus
• Great willingness to deep dive into project on his/her own

• Intermediate English level

   

Job Responsibilities

• Design and develop .NET applications and automation tests in a team
• Participate in design sessions, analyze requirements, investigate and create user stories/tasks
• Work in a dynamic Agile/Scrum based environment
• Understand existing systems and underlying code base
• Demonstrate passion about building high quality software, love solving problems and facing new challenges. Be a proactive communicator who enjoys working closely with creative and technical peers
• Mentor junior colleagues 

We're seeking a talented .NET Developer to help shape the future of blockchain technology in innovative startup. If you're ready to make a real impact in a cutting-edge industry, we'd love to hear from you!
 

Core Competence:
 

• At least 2 years of professional experience in software development with a strong foundation in C#, ASP.NET Core, and Entity Framework.
• Proficiency in managing IIS, MS SQL, Visual Studio, and Docker environments.
• Familiarity with ODBC, LINQ, NUnit, xUnit, NuGet, and RESTful APIs, alongside Git for version control.
• Sound understanding of client-side and server-side architectures.
• Strong analytical thinking, with a structured, math or engineering-oriented mindset and a focus on delivering results.
   

Preferred Qualifications:
 

• Knowledge of ReSharper, experience with Azure, and familiarity with NoSQL databases.
• Experience with AWS and Linux system administration is an asset.
• Active participation in hackathons demonstrates innovative thinking and problem-solving skills.
• Upper-intermediate level of English for clear and effective communication in a global team.
   

What We Offer You:
 

• Competitive Compensation: Your skills and experience will be rewarded with a salary aligned with industry standards and your career ambitions.
• Innovative Work Environment: Be part of a forward-thinking FinTech startup with a culture of continuous learning, including tech talks and participation in hackathons.

Проєкт комерційних закупівель компанії E-Tender запрошує в свою Команду Full Stack Developer`а, яка/ий підсилить технічну команду та працюватиме над  розвитком платформи комерційних закупівель.

 Requirements: 

• 2+ years experience 
• C#; .NET Framework; 
• ASP.NET MVC + Web API; 
• Entity Framework; 
• MS SQL Server + SQL Profiler; 
• Message queues(Preffered RabbitMQ Masstransit); 
• Elasticsearch; 
• Angular 2+; 
• Angular centralized state management / ReactiveX / NgRx / RxJS; 
• Git; 
• Javascript/TypeScript + DOM; 
• HTML, CSS, SASS; 
• Experience with Jira or other project management systems, use Time Tracker. 

Responsibilities: 

• Implementation of new features of company projects in a timely and professional manner; 
• Close cooperation with project team members; 
• Use Jira, Time tracker; 
• Perform other related duties as required; 
• Front end/back end 50/50. 

Experienced Microsoft.NET developer in building backend systems in Microsoft Azure. You will design and build services in a service oriented architecture.

Requirements:
 

• At least 3 years of experience designing and building APIs in ASP.NET (version 8.0 or higher)
• At least 3 years with Entity Framework Core (version 8.0 or higher)
• At least 3 years with Microsoft Azure
• At least 4 years with C#
• At least 4 years building unit and integration tests
• Knowledge of service oriented architecture principles
• Knowledge of integration patterns and principles
• Knowledge of OAuth / OpenID Connect security protocols
• Works according to SOLID principles
• At least 3 years with Azure DevOps and Git
• Understanding of UML activity diagrams and sequence diagrams

Nice to have:

• Azure Platform Services (App Service, Service Bus, Key Vault, Storage, SQL Database, AI Search)
• Azure DevOps YAML pipelines with PowerShell and Azure deployment services
• T-SQL (SQL Server)
• The IDesign Method

What We Offer:

• Transparent bonus payment system
• Competitive salary with regular compensation reviews
• Opportunity to bring your ideas to life and lead the entire process
• 40-hour workweek with flexible scheduling
• Paid vacation and sick leave benefits

About the Company

Digis is a European IT company (part of Fiverr) with 200+ specialists delivering high-load SaaS platforms, enterprise solutions, and cloud-native products for clients worldwide. We build long-term engineering teams and ensure transparency, stability, and professional growth for every talent.
 

About the Client & Project

You will join a product company focused on delivering solutions for performance, scalability, and reliability of digital workspace environments.

The product helps organizations optimize virtual desktops and applications, ensuring a seamless user experience. You will work on a cloud-native system, collaborating closely with the product founder and contributing to core product development.
 

Tech Stack

• Backend: .NET Core, C#, Entity Framework Core, SQL Server
• Cloud & Tools: Azure (Azure Resource Manager, Compute, Functions), REST APIs, NuGet
   

Requirements

• 5+ years of experience with .NET (C#, .NET Core)
• 2+ years of experience with Microsoft Azure (ARM)
• English level: B2+
   

Responsibilities

• Own backend development for core product features
• Work with Azure resources programmatically via ARM
• Build and maintain REST APIs for cloud resource management
• Ensure system performance, scalability, and reliability
   

Why this project is exciting

• Work on a modern cloud-native product
• Small team with high ownership and impact
• Direct collaboration with product founder
• Deep involvement in Azure ecosystem
• Opportunity to influence architecture and product growth
   

We offer:

• Paid 20 vacation days per year
• Paid 5 sick leaves per year with no medical documents needed
• Personalized development plan supported by properly set personal self-development goals
• Compensation for subject-matter trainings
• Worktools (PC, laptop, monitor) and workplace arrangement, if needed
• Assistance in choosing and compensation for English courses
• 100% horizontal in-company organization and communications
• Possibility to switch between projects and technologies within the company
• Accounting support
• Free corporate psychologist services

We are looking for a Senior Full-stack .NET Engineer with Blazor to join our team. 

Our Client is a leading provider of automated storage and logistics systems. Together with N-iX and client engineers, you will work on developing a comprehensive, scalable, and efficient solution to meet the evolving needs of modern warehouse management, ensuring a robust, future-proof operational environment.

Responsibilities:

• Actively engaging in development meetings to stay abreast of new technologies and understand the company's vision and objectives.
• Playing a key role in technical planning meetings, collaborating with colleagues to discuss user stories and decompose tasks with the end result in mind.
• Ensuring the delivery of high-quality products through meticulous practices such as documentation, code reviews, unit tests, API tests, and comprehensive monitoring.
• Collaborating closely with the product manager to ensure the team's clear understanding of the project's purpose.
• Proactively escalating issues to the Head of Development when assistance is required.
• Aligning with the team's goals during daily stand-up meetings.
• Advocating for improvement suggestions during retrospective meetings that lead to positive changes.

Requirements:

• Strong proficiency in C#, .NET Core, and .NET Framework
• Experience with the Blazor framework
• Solid understanding of Clean Code, DDD, and CQRS principles
• Practical knowledge of CI/CD pipelines
• Experience with PostgreSQL and SQLite
• Hands-on familiarity with Docker
• Knowledge of RabbitMQ and MassTransit
• Practical experience with gRPC
• Strong skills in Unit Testing and Integration Testing
• Proficiency with Git

Requirements:

Bachelor’s degree
At least 3 years of commercial experience with C#
Knowledge of the basics of computer science (algorithms and data structures, OOP)
Intermediate English level
Source code (all or fragments) of any C# project for evaluation
Will be a big plus:

Knowledge or experience in medical technology, DICOM
Have web and/or cloud development experience
Basic knowledge of C ++

We offer:

20 days of paid vacation
15 days of paid sick leave
Accounting support
Comfortable, modern office (Kyiv/Kharkiv) and working environment
Flexible working schedule
Corporate events
English classes
Paid conferences

Responsibilities:

Writing automation scripts
Bug-fixing
Writing unit tests
Developing new features or extending existing ones

*Project*: Development of software for medical equipment for imaging. Development of scanners of an internationally well-known brand, by which more than 300,000 patients are examined daily. This area comprises software running both on the scanners and workstations, as well as the integration to other vendors covering:
* Installation and software licensing management
* Connectivity configuration and diagnostics
* Patient data management
* Integration to hospital IT systems (EMRs, PACS) and other 3rd party systems (reporting systems)
* Reading other vendors’ images that are complying with the DICOM standard
* Remote access solutions for review and report
* Ensuring privacy and security of patients’ data

Technologies
— C++/C# .Net
— WPF
— MFC
— Databases
— Network communication
— DICOM standard (Digital Imaging and Communication in Medicine)
— VS 2022, Jira, Jenkins, Confluence, Teams

RPA UiPath Developer (Cloud Integrations)
 

About the Role We are looking for a skilled RPA UiPath Developer to join our global engineering team. In this role, you will be responsible for designing, developing, and implementing high-quality automation solutions that streamline complex business processes. You will work closely with cross-functional teams to integrate RPA workflows with cloud services and internal systems.

Key Requirements

• UiPath Expertise: Strong experience in process automation and sophisticated workflow design using the UiPath platform.
• Development Skills: Hands-on experience with the UiPath ecosystem languages, specifically VB.NET or C#.
• Cloud Infrastructure: Practical experience working with Google Cloud Platform (GCP) services, integrations, and APIs.
• Technical Integration: Solid understanding of REST APIs, data handling, and complex system integrations.
• Architecture & Design: Proven ability to analyze, design, and implement scalable, reliable RPA solutions.
• Process Optimization: Experience in business workflow automation and identifying opportunities for process improvement.

• Collaboration: Excellent communication and collaboration skills to work effectively within Agile, cross-functional environments.

   

What You Will Do

• Design and develop end-to-end RPA solutions using UiPath.
• Integrate automation workflows with GCP and other third-party services via APIs.
• Analyze existing business processes to identify and document automation potential.
• Ensure the scalability and stability of deployed bots through rigorous testing and optimization.
• Partner with stakeholders to deliver technical insights and support digital transformation initiatives.

Why Join Us?

About the role

We are looking for a Senior Optimizely Engineer to design and develop enterprise-level digital platforms using Optimizely Content Cloud and Commerce Cloud.

You will work on modern headless / composable architectures, integrating Optimizely with external systems such as ERP, PIM, and marketing automation platforms.

The role involves close collaboration with frontend engineers, UX/UI designers, DevOps and product teams.
 

Responsibilities

• Design and develop solutions using Optimizely (Episerver) Content & Commerce Cloud
• Build backend services with C# / .NET 6+
• Implement REST / GraphQL integrations
• Work with modern frontend teams (React / Vue / Next.js) to deliver pixel-perfect UX
• Participate in code reviews and architecture discussions
• Optimize performance and Core Web Vitals
• Contribute to engineering standards and best practices

Requirements

Backend

• Strong experience with C# and .NET 6+
• Hands-on experience with Optimizely / Episerver CMS or Commerce
• Experience building REST APIs
• Understanding of headless CMS architectures
   

Frontend (nice to have)

• Experience with JavaScript / TypeScript

• React / Vue / Next.js experience is a plus

   

Cloud / DevOps

• Experience with Azure
• Familiarity with CI/CD pipelines (GitHub Actions / Azure DevOps)
• Experience with containerization

Integrations

• Experience integrating systems via REST / GraphQL
• Experience working with ERP / PIM / marketing platforms

Nice to have

• Experience with Optimizely Content Graph
• Experience with Optimizely Experimentation
• Experience working in enterprise eCommerce projects