Jobs C# / .NET

We are looking for a Middle/Senior  .NET C# Developer with expertise in building robust APIs using OData and Entity Framework. The ideal candidate will also have strong proficiency in writing efficient SQL queries and an understanding of best practices for data modeling, performance tuning, and security. 

As a part of our development team, you will work closely with cross-functional teams to design, build, and maintain scalable and secure APIs that integrate seamlessly with our services and data sources. 

Key Responsibilities: 

• API Development: Design, develop, and maintain RESTful APIs with a focus on OData integration, enabling efficient querying and data retrieval. 
• OData Implementation: Utilize OData to expose data from various sources, allowing clients to query and manipulate data efficiently via HTTP requests. 
• Entity Framework: Work with Entity Framework to create, update, and query data models, ensuring efficient database interactions and optimal performance. 
• SQL Query Writing: Write complex SQL queries to interact with relational databases, optimize performance, and ensure data consistency. 
• System Design & Architecture: Participate in designing scalable, high-performance architectures for APIs and backend systems. 
• Code Quality: Write clean, maintainable, and well-documented code, following industry best practices and company standards. 
• Collaboration: Work closely with other developers, product managers, and QA engineers to deliver high-quality features on time. 
• Troubleshooting & Debugging: Identify, troubleshoot, and resolve technical issues, bugs, and performance bottlenecks in a timely manner. 
• Continuous Improvement: Stay up-to-date with the latest developments in .NET technologies, OData, Entity Framework, and SQL, and apply best practices to improve system performance, reliability, and scalability. 

Requirements: 

• Proven Experience: 3+ years of experience in .NET C# development, with a focus on building APIs and working with web services. 
• OData Expertise: Solid understanding and hands-on experience in implementing and consuming OData APIs. 
• Entity Framework: Experience working with Entity Framework to map data models to database schemas and interact with relational databases. 
• SQL Proficiency: Strong ability to write and optimize complex SQL queries and work with relational databases (e.g., SQL Server, PostgreSQL, etc.). 
• Web API Knowledge: Familiarity with RESTful API principles and experience working with technologies like JSON, HTTP, and Web API frameworks. 
• Version Control: Experience using version control systems like Git or SVN. 
• Problem Solving: Strong analytical and debugging skills, with the ability to troubleshoot and optimize code for performance and reliability. 
• Collaboration Skills: Excellent communication and teamwork skills to collaborate effectively with cross-functional teams. 

Preferred Qualifications: 

• Cloud Experience: Familiarity with cloud platforms like Azure or AWS for hosting and scaling web applications.  
• Unit Testing: Experience writing unit tests and using frameworks like NUnit, MSTest, or xUnit.  
• Microservices: Understanding of microservices architecture and how APIs fit into distributed systems.  
• CI/CD: Familiarity with continuous integration/continuous deployment (CI/CD) pipelines and automated testing.  
• Real-Time Communication: Experience developing real-time applications and APIs using SignalR or similar technologies.  
• Messaging & Integration: Experience with Azure Service Bus or other enterprise messaging platforms for asynchronous communication and system integration.  
• Event-Driven Architecture: Understanding of event-driven architecture, messaging patterns, and distributed system design principles.  
• Event-Driven Development: Experience implementing event-driven solutions using queues, topics, publish/subscribe patterns, and asynchronous processing workflows.  
• Azure Ecosystem: Familiarity with Azure integration services and cloud-native development patterns, including messaging, event processing, and scalable backend services. 
• Experience leveraging AI-assisted software development tools such as Claude Code, GitHub Copilot, ChatGPT, or similar platforms to enhance developer productivity, code quality, troubleshooting, testing, and documentation.  
• Familiarity with modern AI-driven development workflows, including prompt-based code generation, code review assistance, refactoring, and automated test creation. 

We are looking for a .NET C# Developer with expertise in building robust APIs using OData and Entity Framework. The ideal candidate will also have strong proficiency in writing efficient SQL queries and an understanding of best practices for data modeling, performance tuning, and security. 

As a part of our development team, you will work closely with cross-functional teams to design, build, and maintain scalable and secure APIs that integrate seamlessly with our services and data sources. 

Requirements: 

• Proven Experience: 3+ years of experience in .NET C# development, with a focus on building APIs and working with web services. 
• OData Expertise: Solid understanding and hands-on experience in implementing and consuming OData APIs. 
• Entity Framework: Experience working with Entity Framework to map data models to database schemas and interact with relational databases. 
• SQL Proficiency: Strong ability to write and optimize complex SQL queries and work with relational databases (e.g., SQL Server, PostgreSQL, etc.). 
• Web API Knowledge: Familiarity with RESTful API principles and experience working with technologies like JSON, HTTP, and Web API frameworks. 
• Version Control: Experience using version control systems like Git or SVN. 
• Problem Solving: Strong analytical and debugging skills, with the ability to troubleshoot and optimize code for performance and reliability. 
• Collaboration Skills: Excellent communication and teamwork skills to collaborate effectively with cross-functional teams. 

Key Responsibilities: 

• API Development: Design, develop, and maintain RESTful APIs with a focus on OData integration, enabling efficient querying and data retrieval. 
• OData Implementation: Utilize OData to expose data from various sources, allowing clients to query and manipulate data efficiently via HTTP requests. 
• Entity Framework: Work with Entity Framework to create, update, and query data models, ensuring efficient database interactions and optimal performance. 
• SQL Query Writing: Write complex SQL queries to interact with relational databases, optimize performance, and ensure data consistency. 
• System Design & Architecture: Participate in designing scalable, high-performance architectures for APIs and backend systems. 
• Code Quality: Write clean, maintainable, and well-documented code, following industry best practices and company standards. 
• Collaboration: Work closely with other developers, product managers, and QA engineers to deliver high-quality features on time. 
• Troubleshooting & Debugging: Identify, troubleshoot, and resolve technical issues, bugs, and performance bottlenecks in a timely manner. 
• Continuous Improvement: Stay up-to-date with the latest developments in .NET technologies, OData, Entity Framework, and SQL, and apply best practices to improve system performance, reliability, and scalability. 

Preferred Qualifications: 

• Cloud Experience: Familiarity with cloud platforms like Azure or AWS for hosting and scaling web applications.  
• Unit Testing: Experience writing unit tests and using frameworks like NUnit, MSTest, or xUnit.  
• Microservices: Understanding of microservices architecture and how APIs fit into distributed systems.  
• CI/CD: Familiarity with continuous integration/continuous deployment (CI/CD) pipelines and automated testing.  
• Real-Time Communication: Experience developing real-time applications and APIs using SignalR or similar technologies.  
• Messaging & Integration: Experience with Azure Service Bus or other enterprise messaging platforms for asynchronous communication and system integration.  
• Event-Driven Architecture: Understanding of event-driven architecture, messaging patterns, and distributed system design principles.  
• Event-Driven Development: Experience implementing event-driven solutions using queues, topics, publish/subscribe patterns, and asynchronous processing workflows.  
• Azure Ecosystem: Familiarity with Azure integration services and cloud-native development patterns, including messaging, event processing, and scalable backend services. 
• Experience leveraging AI-assisted software development tools such as Claude Code, GitHub Copilot, ChatGPT, or similar platforms to enhance developer productivity, code quality, troubleshooting, testing, and documentation.  
• Familiarity with modern AI-driven development workflows, including prompt-based code generation, code review assistance, refactoring, and automated test creation. 

Acropolium, together with its international partners, is working on a healthcare platform focused on building a scalable, modern system based on microservices architecture.

The project involves developing robust backend services, integrating multiple data sources, and ensuring high-quality, reliable solutions in a cloud-native environment.

You will join an international team contributing to a product with real-world impact in the healthcare domain.

Responsibilities

• Design, develop, and maintain backend services using C# and .NET (Core / .NET 8)
• Build and evolve microservices architecture
• Develop and integrate RESTful and SOAP APIs
• Work with SQL Server (T-SQL) and MongoDB
• Implement and maintain automated testing strategies
• Collaborate with DevOps, frontend teams, and stakeholders
• Contribute to CI/CD pipelines and cloud infrastructure (Azure)

Core Requirements

• Strong experience with C# and .NET Core (.NET 6/7/8 preferred)
• Solid understanding of microservices architecture
• Hands-on experience with REST APIs and SOAP services
• Strong experience with SQL Server (T-SQL) and MongoDB
• Experience with testing frameworks (XUnit, Postman, Cypress, Playwright)
• Experience working with Microsoft Azure
• Familiarity with CI/CD pipelines (GitLab CI/CD or similar)
• Experience with Docker and Kubernetes
• Understanding of Infrastructure as Code (Terraform)

Nice to Have

• Experience in healthcare / regulated environments
• Experience with artifact repositories (JFrog, Artifactory)
• Strong focus on code quality and testing culture

What You’ll Get

• 100% remote setup
• Stable mid-term project with extension
• Work on modern microservices architecture in healthcare
• Collaboration with international partners and distributed teams
• High engineering standards and structured environment

Location: Europe, ability to come to the office to receive the device in France. 
Workload: Full-time
Duration: 7 months + possible extension
Language: French from В2, English B1+

 

💬 Interested? Let’s connect.
Feel free to share your CV or recommend someone suitable.

Overview

We’re looking for a .NET Core C# Engineer to help build and maintain scalable cloud-native backend systems and high-load distributed services.

You’ll work with development, product, and infrastructure teams to develop modern microservices-based solutions on Microsoft Azure.

Responsibilities

• Develop backend services using C# and ASP.NET Core;
• Build and maintain cloud-native microservices;
• Design and optimize REST APIs and distributed systems;
• Work with Azure, Docker, Kubernetes, and Kafka;
• Build CI/CD pipelines and deployment automation;
• Automate CloudOps and infrastructure workflows;
• Troubleshoot production issues and improve system reliability;
• Collaborate with cross-functional engineering and product teams;
• Support architecture improvements and developer tooling initiatives.

Requirements

• 5+ years of experience with .NET / C# development;
• Strong experience with ASP.NET Core and .NET Core;
• Hands-on experience with Microsoft Azure;
• Experience with Docker and Kubernetes;
• Understanding of microservices architecture and REST APIs;
• Experience with SQL and Entity Framework Core;
• Knowledge of CI/CD and automation practices;
• Strong understanding of OOP and SOLID principles;
• Experience troubleshooting production systems;
• Good communication and teamwork skills;

Bonus (Not Must)

• Experience with Kafka or event-driven systems;
• Background in Automation QA;
• Experience with high-load systems;
• Familiarity with Backstage or developer platforms;
• FinTech, Healthcare, or Media domain experience;
• Interest in frontend or full-stack development.

У Компанію «УКР.ПЕЙ», яка є професійним розробником програмного забезпечення для фінансових установ на ринку України та спеціалізується на створенні та впровадженні систем автоматизації банківських процесів, на постійну роботу потрібен Middle backend developer.

Знання та реальний досвід:

C# від 5 років;

NET 5 від 3 років;

ASP.NET від 3 років;

Вміння працювати з REST API + JSON;

Глибокі знання SQL. Бажане знання Oracle та PL/SQL;

Бажано досвід роботи з linq2db;

Досвід роботи з Git;

Jira;

Англійська на рівні читання технічної документації

Цінуємо:

Вміння чітко оцінювати реальні терміни виконання;

Вміння писати зрозумілий, тестований та підтримуваний код;

Вміння працювати з чужим кодом;

Системність;

Вміння працювати в команді;

Бажання розвиватися та освоювати нові технології.

Ми пропонуємо:

Роботу в компанії, що динамічно розвивається.

Тихий офіс за 5 хвилин від метро Либідська

Можливість кар'єрного та професійного зростання.

Комфортні умови роботи та доброзичливу атмосферу.

Оплачувана відпустка та лікарняний лист.

Заробітна плата від 1500 — 2500 y.e. (за результатами співбесіди)

ZentixSoft шукає Strong Middle .NET Developer (Логістичний Enterprise) 
 

Ми у ZentixSoft віримо в принцип «People over processes». Наразі ми розширюємо інженерну команду для нашого партнера — одного з лідерів логістичного ринку України. 
 

Про проєкт: Це чудова можливість попрацювати над високонавантаженою системою українського enterprise-гіганта. 

Деталі: 
📍 Remote (працюємо за українською таймзоною). 
⏳ Full-time, довгострокове співробітництво. 
🚀 Старт: 2-3 тижні.
 

Ваша зона відповідальності: 
🔹 Оптимізація та рефакторинг: Робота зі складною кодовою базою, пошук «вузьких місць» (bottlenecks) та підвищення продуктивності системи. 
🔹 Розвиток продукту: Проєктний запуск нового функціоналу для автоматизації логістичних ланцюжків. 
🔹 AI-колаборація: Тісна взаємодія з внутрішньою AI-командою компанії для інтеграції розумних алгоритмів у бізнес-процеси. 
🔹 Технічний борг: Участь в оцінці техборгу та стратегічному плануванні архітектурних змін разом із Tech Lead.

Наші очікування від стеку: 
🔹 Досвід: 3–5 років комерційного досвіду розробки на C# / .NET. 
🔹 Core Stack: Глибокі знання .NET Framework / .NET Core, ASP.NET, Entity Framework та Dapper. 
🔹 Робота з Data: Відмінні навички проєктування та оптимізації важких SQL-запитів (MS SQL Server / PostgreSQL). 
🔹 Legacy & Патерни: Досвід роботи зі складними системами, вміння впевнено читати чужий код, розуміння SOLID, чистих підходів та мікросервісних паттернів. 
🔹 Мова: Вільна українська для щоденної комунікації на проєкті. Англійська — Upper - intermediate+
 

✨ Що на тебе чекає в ZentixSoft

💸 Salary Review. Структурована система перегляду винагороди відповідно до твого росту.

📈 Career development. Складаємо індивідуальний план розвитку (PDP).

⚖️ Work-life balance. Робота без овертаймів, 22 дні відпустки та 7 лікарняних.

🎓 Education & English. Повне покриття профільних курсів та занять з викладачем.

🦾 Trust and transparency. Жодного мікроменеджменту — ми довіряємо твоїй експертизі.

🎁 Gifts & Culture. Подарунки на ДН та справжня корпоративна атмосфера, де твій голос має значення.

Розробка та підтримка програмного забезпечення для автоматизації бізнес-процесів страхової компанії.

Обов'язки:

- участь в обговоренні вимог до ПЗ
- проектування окремих програмних модулів
- оцінка задач по розробці ПЗ
- розробка ПЗ
- створення технічної документації.

Знання:

— 3+ роки комерційного досвіду з C#/.NET
— Досвід з Oracle та ADO.NET; розуміння роботи з хранимою логікою (PL/SQL процедури, пакети)
— Гарні SQL-навички: впевнене написання та оптимізація складних запитів, joins, агрегації, розуміння індексів
— Впевнений досвід з WinForms (основна платформа проекту)
— Розуміння SOLID, патернів проектування та принципів Clean Architecture
— Git, досвід роботи з CI/CD (Azure DevOps — плюс)
— Англійська на рівні читання технічної документації (B1+)

Буде плюсом:

— Досвід з Blazor (Server) — напрямок, куди мігрує платформа
— DevExpress (WinForms та/або Blazor)
— MediatR, FluentValidation
— Написання unit / integration тестів (xUnit, Moq)
— Досвід у страховому-домені

Пропонуємо позицію BackEnd Developer для професіонала високого рівня, в якого є бажання створювати унікальні продукти для найбільших національних компаній України.

Чим ми займаємося:

Бізнес-консалтинг;

Доробка та інтеграція галузевих CRM-рішень на базі Microsoft Dynamics 365;

Продаж ліцензій на продукти Microsoft;

Експлуатаційна підтримка CRM-комплексів та контакт центрів.

Наш майбутній колега має наступні навички та досвід роботи:

Глибокі знання C# (ASP.NET Core).
Досвід роботи з ORM-бібліотеками, зокрема Dapper (оптимізація SQL-запитів).
Практичний досвід інтеграції з CRM-системами, телекомунікаційними сервісами, та побудови високонавантажених систем.
Досвід роботи з Microsoft Dynamics 365: інтеграція через API, розробка плагінів та кастомізація модулів.

Знання FreeSWITCH: інтеграція VoIP, налаштування конфігурацій та масштабування.
Розуміння роботи з протоколами SIP, RTP, WebRTC.
Глибокі знання MS SQL (проєктування баз даних, оптимізація запитів, робота з великими даними).
Досвід роботи з Redis (управління кешем та публікація/підписка).
Робота з Kafka для організації потоків даних, обробки подій у реальному часі.
Знання F5: вміння писати сервіси для роботи з балансувальниками.
 

Основні завдання:
1.    Розробка продукту "Софтфон":
•    Інтеграція з Microsoft Dynamics 365 та налаштування VoIP на базі FreeSWITCH.
•    Забезпечення надійної роботи сервісів через оптимізацію коду, баз даних та інфраструктури.
2.    Побудова та підтримка API систем:
•   Використання Kafka для обробки подій.
•   Робота з Redis для кешування даних та управління сесіями.
3.    Інфраструктурні рішення:
•   Забезпечення продуктивності та масштабованості системи.
4.    Тестування та документація:
•    Розробка модульних та інтеграційних тестів.
•    Оформлення технічної документації.

Ми пропонуємо:

• Графік роботи на вибір (офіс в Києві біля метро Оболонь, віддалено, гібрид) - в офісі є генератори, отже постійно є світло та інтернет

• Можливість керувати розробкою глобальних проєктів

• Сертифікацію Microsoft

• Конкурентний рівень винагороди

Приєднуйтесь до нашої сторінки у Facebook, щоб стежити за новинами компанії: www.facebook.com/CRMUA/

UAPP.AI creates AI-powered mobile and digital products used by over 10 million people across 150+ countries. We build and scale our own products from scratch, meaning every technical decision directly impacts our users and the business. We value autonomy, speed, and a results-oriented mindset with zero corporate bureaucracy.

We are currently launching a brand-new direction — a Cloud Gaming platform that allows users to stream games from virtual Windows machines with ultra-low latency. We are looking for a strong Senior C# Developer to build the technological foundation of this product from the ground up.

💻 Role Overview

You will focus on the high-performance backend and integration layer of the platform: managing virtual machine orchestration, optimizing data flow, and developing custom tools to ensure minimal latency. This is a perfect match for an engineer who thrives on complex technical challenges and is ready to make key architectural decisions in the .NET ecosystem.

🛠 What You Will Do

• Develop and maintain high-performance backend services for game streaming management.
• Work on orchestration tools for virtual Windows machines.
• Identify and eliminate bottlenecks affecting platform latency and system performance.
• Develop custom integration modules to bridge .NET services with low-level streaming components.
• Optimize data transfer and communication protocols (TCP/UDP/WebSockets) within the infrastructure.
• Design technical solutions independently and contribute to the overall product architecture.

🎓 Requirements

Must-Have:

• 4+ years of commercial C#/.NET development experience (solid knowledge of .NET 6/8+).
• Deep understanding of asynchronous programming and high-load multithreaded environments.
• Experience with performance optimization, memory management (GC tuning), and profiling tools.
• Hands-on experience with networking (TCP/UDP, WebSockets) and API integration.
• Experience in building scalable backend services for Windows-based environments.
• Ability to break down complex tasks independently and drive technical solutions to production.

Nice-to-Have:

• Experience with Cloud Gaming, real-time systems, or game development tools.
• Familiarity with containerization (Docker) and cloud infrastructure (AWS/Azure/GCP).
• Experience working with gRPC or other high-performance serialization frameworks.
• Knowledge of interop scenarios (C# with C++ modules).

🎁 What We Offer

• Impact: The opportunity to join a Cloud Gaming platform at an early stage and shape its core architecture.
• Challenges: True engineering tasks where performance and optimization genuinely matter.
• Autonomy: High level of trust — we expect initiative and empower you to make decisions.
• Environment: A fast-paced, result-oriented team with a quick decision-making cycle.
• Flexibility: 100% remote work format.
• Compensation: $3,000 – $4,500 (depending on your experience and tech expertise).

🚀 Hiring Process & How to Apply

We review applications quickly and usually provide feedback within a few business days.

When applying, please share your CV. If you have hands-on experience with streaming platforms, real-time/low-latency systems, game dev, or deep performance optimization — don't hesitate to highlight it in your message.

Blackthorn Vision is looking for a Middle/Middle Strong .NET Engineer. 

Our client, established in 2011 and based in Colorado, is a leading player in the U.S. application management market. We’ve had a successful partnership with this client and are seeking candidates who are eager to take ownership and improve a product already trusted by over 6,000 enterprises.

Requirements:

• 3+ years of commercial experience working on the backend as a .NET developer.
• Cloud systems development experience.
• Understanding of data access technologies, including Entity Framework and MongoDB.
• Experience with both SQL and NoSQL databases.
• Experience with microservice-oriented architecture, parallel, and asynchronous programming design patterns.
• Experience with Kubernetes, Docker, and RabbitMQ.
• Proven experience with Azure technologies: Azure Entra ID, Azure Storage accounts, Azure Service Bus, Azure Container Registry.
• Knowledge of design and architectural patterns.

• English level: Upper-Intermediate.

   

Responsibilities:

• Develop and maintain high-quality software solutions using .NET 8.0.
• Take full ownership of delivering new features to end users, including designing architecture, implementing, testing, and onboarding the customer support team with new functionality.
• Collaborate with product owners, the support team, and end users to understand project requirements and deliver solutions.
• Participate in code reviews to enhance overall code quality.
• Ensure applications are high-performing, responsive, and of excellent quality.
• Troubleshoot and resolve technical issues and defects promptly.
• Create code documentation, technical specifications, and architecture diagrams for new features.
• Follow agile methodologies and participate in regular sprint planning and review meetings.

You are compatible with us if you:

• Have a strong product mindset.
• Have a proactive approach to taking ownership of decisions/features.
• Possess a strong, curiosity-driven mindset.
• Are comfortable with challenges.
• Have the ability to collaborate and build relationships with diverse personalities.
• Demonstrate customer-focused decision-making.
• Exhibit clear and timely communication.
• Are open to giving and receiving constructive feedback.
• Value the quality of your code.
• Are able to solve the required technical tasks and communicate throughout the process (for example, asking clarifying questions promptly).

Blackthorn Vision is looking for a Middle/Middle Strong .NET Engineer. 

Our client, established in 2011 and based in Colorado, is a leading player in the U.S. application management market. We’ve had a successful partnership with this client and are seeking candidates who are eager to take ownership and improve a product already trusted by over 6,000 enterprises.

Please note: we’ll primarily consider candidates based in Lviv, as the project team is located there.

Requirements:

• 3+ years of commercial experience working on the backend as a .NET developer.
• Cloud systems development experience.
• Understanding of data access technologies, including Entity Framework and MongoDB.
• Experience with both SQL and NoSQL databases.
• Experience with microservice-oriented architecture, parallel, and asynchronous programming design patterns.
• Experience with Kubernetes, Docker, and RabbitMQ.
• Proven experience with Azure technologies: Azure Entra ID, Azure Storage accounts, Azure Service Bus, Azure Container Registry.
• Knowledge of design and architectural patterns.

• English level: Upper-Intermediate.

   

Responsibilities:

• Develop and maintain high-quality software solutions using .NET 8.0.
• Take full ownership of delivering new features to end users, including designing architecture, implementing, testing, and onboarding the customer support team with new functionality.
• Collaborate with product owners, the support team, and end users to understand project requirements and deliver solutions.
• Participate in code reviews to enhance overall code quality.
• Ensure applications are high-performing, responsive, and of excellent quality.
• Troubleshoot and resolve technical issues and defects promptly.
• Create code documentation, technical specifications, and architecture diagrams for new features.
• Follow agile methodologies and participate in regular sprint planning and review meetings.

You are compatible with us if you:

• Have a strong product mindset.
• Have a proactive approach to taking ownership of decisions/features.
• Possess a strong, curiosity-driven mindset.
• Are comfortable with challenges.
• Have the ability to collaborate and build relationships with diverse personalities.
• Demonstrate customer-focused decision-making.
• Exhibit clear and timely communication.
• Are open to giving and receiving constructive feedback.
• Value the quality of your code.
• Are able to solve the required technical tasks and communicate throughout the process (for example, asking clarifying questions promptly).

🚀 We’re Hiring: Backend .NET Developer (Middle Level)

We are pleased to represent a leading European provider of secure IoT connectivity and end-to-end solutions, currently seeking a skilled Backend .NET Developer to join their dynamic team in Lviv.

🏢 About the Company

Our client empowers organizations to optimize operations, enhance business value, and safeguard critical functions through innovative IoT technology.
Their secure IoT solutions are trusted across diverse sectors — including smart buildings, alarms, transportation and logistics, personal safety, healthcare, construction, public services, education, rescue operations, and energy infrastructure.

💻 Role Overview

This is a full-time hybrid role based in Lviv, with flexibility to work remotely on occasion.
As a Backend .NET Developer, you must:

• · Have at least 3 years of commercial experience
• · Develop and maintain backend services using .NET 8+ / C#.
• · Work with SQL database MSSQL: queries, optimization, migrations.
• · Integrate with third-party APIs and external services.
• · Work with Azure Cloud 
• · Participate in architecture design and write unit tests.
• · Collaborate with frontend, QA.

• · Level of English: Intermediate Strong or higher.

   

  Tech stack

• · C#, .NET 8
• · Entity Framework Core, LINQ, AutoMapper
• · Azure Functions / App Services / Azure SQL
• · REST API, JSON, Swagger
• · Git, Azure DevOps
• · Basic JavaScript

• · Azure Portal

   

If you are passionate about cutting-edge technologies and want to contribute to impactful IoT solutions, we’d love to hear from you!

We’re looking for a skilled .NET C# Developer. 

If you’re passionate about building secure, scalable APIs, working with established systems while helping guide our shift toward the cloud, and are excited by the opportunity to explore machine learning integration—this is your chance to be part of something that truly matters. 

Requirements 

• 3+ years of professional experience in .NET C# development 
• Proficiency with Entity Framework (preferably EF Core) 
• Strong command of SQL, including complex query writing and optimization 
• Experience building RESTful APIs with ASP.NET or ASP.NET Core 
• Familiarity with version control systems, especially Git 
• Solid problem-solving and debugging skills 
• Ability to communicate effectively and work independently or as part of a team 

Nice-to-haves 

• Exposure to Azure services such as App Services, Azure SQL, and Azure Functions 
• Basic understanding of machine learning model integration via APIs or Azure ML 
• Familiarity with OData, microservices, and distributed systems concepts 
• Experience writing unit tests (e.g., xUnit, NUnit, MSTest) 
• Knowledge of CI/CD practices, especially using GitHub Actions 
• Interest or experience in DevOps practices and automation 

Core Responsibilities

• API Development: Design, build, and maintain RESTful APIs using .NET C#, focusing on performance, reliability, and security. 
• Entity Framework & SQL: Develop efficient data models using Entity Framework Core, and write optimized SQL queries for relational databases like SQL Server. 
• Cloud Transition Support: Contribute to new development efforts that utilize Azure services (e.g., Azure Functions, App Services, Azure SQL) as we begin migrating from on-prem infrastructure. 
• Machine Learning Integration: Collaborate with stakeholders to integrate machine learning models via RESTful APIs or Azure ML services. 
• Clean, Maintainable Code: Follow best practices to write testable, maintainable, and well-documented code. 
• Cross-Team Collaboration: Work closely with fellow developers and business partners to deliver secure, scalable solutions. 
• CI/CD Practices: Support continuous integration and delivery efforts using tools like GitHub Actions. 
• Problem Solving: Investigate and resolve performance issues, bugs, and bottlenecks in existing systems. 

About Us 
Established in 2011, Trinetix is a dynamic tech service provider supporting enterprise clients around the world. 

Headquartered in Nashville, Tennessee, we have a global team of over 1,000 professionals and delivery centers across Europe, the United States, and Argentina. We partner with leading global brands, delivering innovative digital solutions across Fintech, Professional Services, Logistics, Healthcare, and Agriculture. 

Our operations are driven by a strong business vision, a people-first culture, and a commitment to responsible growth. We actively give back to the community through various CSR activities and adhere to international principles for sustainable development and business ethics. 

We’re looking for a skilled .NET C# Developer. 

If you’re passionate about building secure, scalable APIs, working with established systems while helping guide our shift toward the cloud, and are excited by the opportunity to explore machine learning integration—this is your chance to be part of something that truly matters. 

Core Responsibilities: 

• API Development: Design, build, and maintain RESTful APIs using .NET C#, focusing on performance, reliability, and security. 
• Entity Framework & SQL: Develop efficient data models using Entity Framework Core, and write optimized SQL queries for relational databases like SQL Server. 
• Cloud Transition Support: Contribute to new development efforts that utilize Azure services (e.g., Azure Functions, App Services, Azure SQL) as we begin migrating from on-prem infrastructure. 
• Machine Learning Integration: Collaborate with stakeholders to integrate machine learning models via RESTful APIs or Azure ML services. 
• Clean, Maintainable Code: Follow best practices to write testable, maintainable, and well-documented code. 
• Cross-Team Collaboration: Work closely with fellow developers and business partners to deliver secure, scalable solutions. 
• CI/CD Practices: Support continuous integration and delivery efforts using tools like GitHub Actions. 
• Problem Solving: Investigate and resolve performance issues, bugs, and bottlenecks in existing systems. 

Requirements 

• 3+ years of professional experience in .NET C# development 
• Proficiency with Entity Framework (preferably EF Core) 
• Strong command of SQL, including complex query writing and optimization 
• Experience building RESTful APIs with ASP.NET or ASP.NET Core 
• Familiarity with version control systems, especially Git 
• Solid problem-solving and debugging skills 
• Ability to communicate effectively and work independently or as part of a team 

Nice-to-haves 

• Exposure to Azure services such as App Services, Azure SQL, and Azure Functions 
• Basic understanding of machine learning model integration via APIs or Azure ML 
• Familiarity with OData, microservices, and distributed systems concepts 
• Experience writing unit tests (e.g., xUnit, NUnit, MSTest) 
• Knowledge of CI/CD practices, especially using GitHub Actions 
• Interest or experience in DevOps practices and automation  

Job Description

● 4+ years of development experience with the .NET platform.
● Experience with ASP.NET Core Web API, SOA, Cloud Services (AWS).
● Experience with React. Patterns: SPA, Micro Frontend Architecture (is a plus)
● TypeScript development experience.
● Experience in client/server unit testing.
● Experience with gRPC is a plus
● Experience with AWS infrastructure is a plus: S3, Lambda (Python Runtime)
● Good debugging, coding, and design skills.
● Demonstrated ability to come up-to-speed quickly on a new technical domain/product area.
● Good written and verbal communication skills.

Job Responsibilities

● Implement new features, unit tests, automated integration tests for the complex healthcare system
● Participate in estimation and planning sessions
● Investigate different complexity issues and debug code
● Business communication and close collaboration with all project stakeholders on a daily basis

Department/Project Description

Our client is a big medical equipment manufacturer located in the United States. We have completed a lot of projects for them during the last 18+ years and continue our strong relationship. We are creating software information systems providing management and reporting capabilities for customer equipment in the field. Currently, we are extending our team and looking for a passionate and motivated Middle to Senior Full Stack .Net Engineer with 4+ years of relevant experience. The right candidate must be a team player with strong communication skills and be comfortable working in a fast-paced environment.