Jobs C# / .NET

Наш клієнт, Growe, провідна консалтингова компанія та група сервісів у сфері iGaming і розваг. Вони створюють стратегії, що працюють, та рішення, які масштабуються. 

Ідеально для тих, хто прагне:

• Аналізувати та покращувати проектування системи для виявлення та усунення вузьких місць у продуктивності;
• Аналізувати завдання, розкладати їх на підзадачі та оцінювати час розробки;
• Виконувати рев'ю коду та дизайну;
• Керувати дослідженнями та зразками концепцій (POC) нових функцій;
• Допомагати з прототипуванням нової архітектури та міграцією на неї;
• Визначати області для покращення та керувати технічним боргом;
• Наставляти та керувати командою інженерів-розробників BE, сприяючи культурі технічної досконалості, безперервності розробки та високого рівня відповідальності;
• Підтримувати поточну функціональність та зворотну сумісність для релізів;
• Надавати виконані завдання для тестування та консультаційну допомогу QA під час тестування.

Досвід, який стане твоєю перевагою:

• 5+ років досвіду веб-розробки .NET;
• 2+ роки на посаді технічного керівника;
• Експертиза та глибоке розуміння технологій .NET 6+, ASP.NET Core та C#;
• Досвід роботи з мікросервісною архітектурою;
• Досвід роботи з широким спектром принципів та технологій бекенд-архітектури;
• Досвід роботи з SSE, Long Polling, WebSockets;
• Досвід роботи з модульними та інтеграційними тестами;
• Досвід роботи з GitLab CI або іншими технологіями CI/CD;
• Досвід роботи в процесі Agile/Scrum розробки;
• Досвід роботи з Kafka (буде перевагою);
• Гарне володіння письмовою та розмовною англійською мовою.

Ми цінуємо:

• Проактивне та орієнтоване на результат мислення;
• Хороші комунікативні навички;
• Багатозадачність, навички управління часом та планування;
• Бажання навчатися.

Наші клієнти пропонують конкурентні переваги для підтримки вашого професійного та особистого зростання, зокрема:

• Орієнтація на здоров’я та добробут;
• Глобальне медичне страхування;
• Можливості для зростання;
• Програми бенефітів (компенсація спорту / стоматології / психолога тощо);
• Бонуси за досягнення результатів;
• Динамічне робоче середовище.

English version:

Our client, Growe, is a leading business advisory and services group in iGaming and Entertainment. Сreators of strategies that work and solutions that scale. 

Perfect for those who aim to:

• Analyze and tune system designs to identify and fix performance bottlenecks;
• Analyze tasks, decompose them into sub-tasks, and estimate the development time;
• Perform code & design reviews;
• Lead research and POCs of new features;
• Help with new architecture prototyping and migration on it;
• Identify areas for improvement and manage tech debt;
• Mentor and guide an engineering team of BE developers, fostering a culture of technical excellence, continuous delivery, and high ownership;
• Support the current functionality and maintain backward compatibility for the releases;
• Deliver completed tasks for testing and provide advisory assistance to QAs during testing.

Experience you’ll need to bring:

• 5+ years of .NET web development experience;
• 2+ years in a Tech Lead position;
• Expertise and deep understanding of .NET 6+, ASP.NET Core, and C# technologies;
• Experience with microservices architecture;
• Experience with a breadth of backend architecture principles and technologies;
• Experience with SSE, Long Polling, WebSockets;
• Experience with Unit and Integration tests;
• Experience with GitLab CI or other CI/CD technologies;
• Experience working in an Agile/Scrum development process;
• Experience with Kafka (will be a plus);
• Good written and spoken English.

It's a perfect match if you have those personal features:

• Proactive and result-oriented mindset;
• Good communication skills;
• Multitasking, time management, and planning skills;
• Desire to learn.

Our clients offer competitive benefits to support your professional and personal growth, including: 

• Health & Wellness Focus;
• Global Medical Coverage;
• Growth Opportunities;
• Benefits Programs (compensation for the gym/stomatology/psychological service & etc.);
• Performance-Driven Rewards;
• Dynamic Work Environment.

Position overview

As a Middle .NET Developer, you will join our engineering team to design, develop, and maintain high-performance backend systems for a modern fintech platform built on a microservices architecture.

You will take ownership of implementing scalable, secure, and reliable backend solutions, delivering new product functionality, and resolving complex technical challenges. Working closely with Solution Architects, Product Owners, QA Engineers, and DevOps specialists, you will contribute to architectural decisions, improve system performance, and ensure high code quality across the platform.
 

This role is ideal for an engineer with strong commercial .NET experience who enjoys building robust backend systems, writing clean and maintainable code, and delivering reliable solutions from the ground up. Experience with distributed systems, asynchronous communication, and modern cloud-native technologies will be a strong advantage.

Your Background

• 3+ years of commercial experience with .NET / C# development
• Strong experience with ASP.NET Core and REST API development
• Good understanding of microservices architecture
• Experience with Entity Framework Core and SQL databases
• Hands-on experience with PostgreSQL
• Experience working with Redis
• Good understanding of asynchronous communication patterns
• Experience writing clean, maintainable, and testable code
• Strong knowledge of software design principles (SOLID, Clean Code, YAGNI)
• Ability to analyze requirements, estimate tasks, and deliver features independently
• English level: B1+
   

Nice to have

• Experience with Kubernetes
• AWS experience
• Experience with gRPC
• Experience with RabbitMQ
• Experience with banking or fintech products
• Mentoring or code review experience
  
  Responsibilities
• Develop, maintain, and enhance backend services using .NET Core
• Design and implement new product features
• Resolve complex technical issues and optimize application performance
• Estimate development tasks and contribute to project planning
• Conduct technical investigations and propose effective solutions
• Contribute to architectural decisions and engineering best practices
• Write clean, maintainable, and testable code

• Collaborate with cross-functional teams, including QA, DevOps, and Product
  
  Technologies

  .NET Core, ASP.NET Core Web API, Entity Framework Core, PostgreSQL, Redis, RabbitMQ (MassTransit), gRPC, Docker, Kubernetes, AWS, GitHub Actions, Git
  
  What we offer

• 20 billable days off during the first year of cooperation, 25 billable days off from the second year
• Fair and competitive compensation
• Friendly team and supportive working environment
• Flexible working schedule
• Remote work opportunities
• Well-established business processes
• Regular company updates and Q&A sessions with management
• Ability to transfer unused vacation days to the next year
• Opportunities for professional growth and participation in large-scale fintech projects

About Us

DNSai LLC is an independent technology company focused exclusively on building practical, high-performance tools for understanding and working with the Domain Name System (DNS). We are not an email security company. DNSai is a Cyber Security DNS Utility, a purpose-built set of utilities that make DNS data easier to access, interpret, and apply to real-world workflows across IT, security operations, research, and digital operations.

We are looking for a highly skilled and motivated Senior C#/.NET Full Stack Engineer with extensive experience across the C#/.NET ecosystem, AWS, Azure, Docker, and Kubernetes to join our growing team. You will play a key role in developing and maintaining both frontend and backend systems behind our DNS utilities — services that must stay fast, accurate, and reliable while processing large volumes of DNS data.

Responsibilities

• Design, develop, and maintain scalable and secure applications and DNS utilities using C# and .NET technologies.
• Build and maintain cloud-based infrastructure on AWS and Azure for high-throughput, low-latency DNS data processing.
• Develop and implement RESTful APIs that expose DNS lookup, enrichment, and analysis capabilities to internal and external consumers.
• Collaborate with product, research, and design teams to turn complex DNS data into clear, usable tooling.
• Utilize Docker and Kubernetes to containerize applications and ensure smooth deployment pipelines.
• Troubleshoot, debug, and optimize applications for performance and reliability at scale.
• Write efficient, maintainable, and testable code following best practices.
• Participate in code reviews and ensure adherence to coding standards.
• Implement CI/CD pipelines to streamline deployments using AWS and Azure services.
• Ensure security and data protection across applications and services, in line with the expectations of a cyber security utility.
• Stay up-to-date with DNS standards, security trends, and platform technologies to enhance development practices.
•  

Requirements

• Proven experience as a Full Stack Developer, with a focus on C# and .NET technologies.
• Solid understanding and hands-on experience with AWS and Azure cloud services.
• Expertise in containerization technologies such as Docker and Kubernetes.
• Strong experience with SQL and NoSQL databases (e.g., SQL Server, MongoDB).
• Familiarity with frontend technologies (e.g., JavaScript, React.js, Angular) is a plus.
• Experience in building and consuming RESTful APIs.
• Knowledge of version control systems like Git.
• Strong problem-solving skills and the ability to debug complex issues.
• Familiarity with agile methodologies and CI/CD processes.
• Excellent communication and collaboration skills to work with cross-functional teams.

Preferred Qualifications

• Working knowledge of DNS concepts and protocols (record types, resolvers, zone data, DNSSEC, passive DNS), or a strong interest in learning them quickly.
• Experience with microservices architecture and serverless computing.
• Familiarity with DevOps practices and infrastructure-as-code tools (e.g., Terraform).
• Understanding of security best practices and cloud-native security services.
• Experience with high-volume data pipelines or network/telemetry data.
• Experience with testing frameworks (unit, integration, and UI testing).

Why DNSai?

• Competitive salary and flexible payment method.
• Deep, focused work in a single problem domain — DNS — rather than scattered consulting projects.
• Opportunities for growth and professional development.
• Flexible working hours and full remote work opportunity.
• Work in a collaborative, innovative and inclusive environment.

We are looking for a Middle .NET Developer to join our team and work on an exciting FinTech project. You'll collaborate with experienced engineers to build scalable, secure, and high-performance backend solutions.

Responsibilities:

• Develop and maintain backend services using C# and .NET.
• Design and implement RESTful APIs.
• Participate in architecture discussions and code reviews.
• Collaborate with cross-functional teams to deliver high-quality software.
• Write clean, maintainable, and well-tested code.
   

Requirements:

• 3+ years of commercial experience with C#/.NET.
• Strong knowledge of .NET Core / .NET 6+ and ASP.NET Core.
• Experience with REST APIs.
• Solid understanding of SQL databases (MS SQL Server or PostgreSQL).
• Experience with Entity Framework Core.
• Knowledge of OOP, SOLID principles, and design patterns.

Nice to Have:

• Docker and Kubernetes.
• Azure or AWS.
• Experience with microservices.
• Previous experience in the FinTech domain.

We Offer:

• Remote work and flexible working hours.
• Legal support.
• Paid sick leaves.
• Paid vacations.
• Medical insurance. 
• Free English classes.

N-iX warmly welcomes an experienced Senior Full Stack .Net Engineer to join our talented team.  

Our client brings extensive experience to EHR implementation and workflow redesign to improve clinical care. The company evolved as clinical needs and technology became more sophisticated, and with that, a greater demand for the ability to move health information efficiently and effectively. Our team provides unmatched expertise in interoperability, health information exchange and Direct services. 

Responsibilities:

• Write application, service, and system code following SES secure coding guidelines.
• Code, test, and troubleshoot applications and services using appropriate technologies and tools.
• Maintain and enhance existing applications by modifying program specifications, designing detailed programming logic, and implementing approved changes.
• Translate logical system and application specifications into physical system and application design
• Evaluate complex interdependencies between applications and services to ensure that changes in one do not cause unintended effects in others
• Write and execute unit tests; contribute to automated testing efforts to ensure software quality.
• Assess and implement improvements to processing efficiency within application systems. Analyze performance of applications and take action to correct deficiencies.
• Contribute to the development and maintenance of CI/CD pipelines to enable efficient, reliable, and secure build, test, and deployment workflows.
• Design infrastructure using Terraform as Infrastructure as Code (IaC), ensuring scalability, repeatability, and version control of environment configurations.
• Write and maintain comprehensive application and system documentation.
• Collaborate with team members and users to gather requirements, handle change requests, and develop effective solutions.
• Help define user stories and develop detailed plans to guide the team’s work.
• Participate in Agile development processes, contributing to sprints and collaborating with team members.
• Provide input during planning sessions and support team goals.
• Actively learn and apply new technologies to enhance user experience and improve productivity.

• Mentor junior members of the development team.

   

Requirements:    

• 7+ years of commercial experience developing applications in a Microsoft, .Net, or web services environment.
• 5+ years of hands-on experience developing solutions using .Net technologies and frameworks, particularly Dapper, Entity Framework, or similar ORM frameworks.
• 5+ years of experience with C#.
• 2+ years of experience with front-end technologies such as React, jQuery, jQuery UI, and AJAX.
• 3+ years of experience working with AWS (e.g., S3, Lambda, RDS, DynamoDB, SQS, OpenSearch). Experience with Azure or other cloud providers is a plus.
• Experience with relational databases (e.g., PostgreSQL) and exposure to NoSQL databases.
• Familiarity with continuous integration and delivery (CI/CD) pipelines and tools (e.g., GitHub Actions, Jenkins, GitLab CI, or AWS CodePipeline).
• Hands-on experience using Terraform for Infrastructure as Code to manage cloud resources in AWS.
• Experience using Visual Studio and GitHub for development and version control.
• Experience with front-end technologies such as React, jQuery, jQuery UI, and AJAX.
• Experience interpreting software specifications and participating in the design, development, and testing process.
• Experience developing high-throughput transactional systems, handling concurrency in distributed applications.
• Hands on experience designing cloud architectures, microservices, or event-driven architectures and distributed systems
• Ability to quickly learn and adapt to SES environment and clinical data exchange standards.
• Excellent problem-solving abilities and a willingness to continuously learn.
• Strong organizational skills with the ability to prioritize tasks, meet deadlines, multitask, and pay close attention to detail.

• Strong verbal and written communication skills, with the ability to ask insightful questions and actively listen.

   

Would be a plus:

• HIPAA Awareness
• AWS Certified Solutions Architect - Associate or others
• Familiarity with encryption, digital signatures and Microsoft Crypto API
• Python knowledge
• Familiarity with healthcare data integration technologies (e.g., HL7, JSON, XML), and an understanding of interoperability standards and SQL/database principles.

Sii Ukraine is a subsidiary of Sii Poland — the leader in IT, engineering, and consultancy services with over 7500 IT experts in Poland and more than 250 prestigious customers. We are looking for ambitious and top-quality professionals to join our project teams. 

We are looking for a skilled .NET Developer to join the team working on a modernization project for the Hearing Aids IT Department. You will be part of a collaborative Scrum team, focusing on developing cloud-based solutions using Microsoft Azure and .NET technologies. This remote position offers the flexibility to work from anywhere while contributing to impactful projects.

Your tasks:
 

1. Participating in the development of a cloud-based solution that modernizes a legacy system
2. Collaborating with developers, architects, and application specialists to understand technical requirements
3. Implementing Infrastructure as Code using Bicep to streamline deployment processes
4. Developing and maintaining CI/CD pipelines using YAML and Azure DevOps
5. Quickly understanding existing solutions and codebases to contribute effectively
6. Working independently while ensuring effective collaboration within the Scrum team

Requirements:
 

1. Minimum 4 years of experience in software development with a strong focus on .NET and C#
2. Solid experience with Microsoft Azure Cloud services and solution development
3. Hands-on experience with Infrastructure as Code using Bicep
4. Proficiency in working with YAML-based CI/CD pipelines, particularly in Azure DevOps
5. Ability to quickly understand existing solutions and codebases
6. Comfortable working independently while collaborating effectively within a Scrum team
7. Advanced level of English
8. Tax residency in Ukraine is required

Nice-to-have requirements:
 

1. Basic experience with TypeScript
2. Familiarity with modern frontend frameworks like React.js or Angular

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 major role in our engineering team by designing, developing, and maintaining high-quality backend systems and applications. Your expertise in .NET and Cloud Native development, coupled with a solid understanding of backend architectures, will drive the creation of scalable, efficient, and secure software solutions.

In this role, you will also leverage modern AI-powered tools and practices to improve productivity, code quality, and decision-making across the software development lifecycle.

Key Responsibilities:

• Develop backend systems using .NET (with focus on Cloud Native development), ensuring code quality, performance, and scalability
• Collaborate within cross-functional engineering team 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
• Support junior and middle developers, guiding them through code reviews, and fostering a culture of continuous learning and improvement
• Leverage AI-driven tools (e.g., GitHub Copilot, Amazon Q, ChatGPT) to assist in coding, documentation, testing, troubleshooting, and optimizing development workflows
• Promote responsible and ethical AI usage, ensuring compliance with company policies and data privacy standards

Requirements:

• 4+ years of .NET development
• Proficiency in .NET 8+
• Experience using AI-powered development tools to enhance productivity, code quality, and testing efficiency
• Experience of AWS Cloud Native development, familiarity with AWS services (i.e. Lambda, API Gateway, S3, Fargate)
• Track record of implementing microservices based back-ends
• Knowledge EF Core / RDS Postgres
• Knowledge of messaging (preferable Kafka) 
• Knowledge of DDD, Event Sourcing, CQRS
• Understanding of relational and non-relational databases
• Experience with Unit/Integration testing
• Experience with containerization technologies (Docker)
• 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
• Strong communication skills

Nice-to-have Skills & Experience:

• Experience building Gitlab CI/CD pipelines
• Experience with DynamoDB
• TypeScript

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 in Kyiv

Requirements:
• 5+ years of experience designing, building, and operating production-grade serverless applications on AWS
• Strong hands-on experience with AWS CloudFront, API Gateway, Lambda, Cognito, and DynamoDB
• Proven experience deploying and managing infrastructure across multiple AWS regions
• Solid Infrastructure as Code expertise using Pulumi or Terraform
• Experience with near-real-time event streaming and push notification systems
• Strong knowledge of CI/CD pipelines, release management, rollback strategies, and multi-environment deployments
• Strong software engineering fundamentals (IoC, DRY, KISS, Single Source of Truth)
• Experience creating integration and end-to-end tests for backend, frontend, and infrastructure components
• Experience working with AI-powered development tools, prompt engineering, and multi-agent systems
• Strong troubleshooting and performance optimization skills in distributed, event-driven architectures
• English: Upper-Intermediate +

Nice to have:
• Experience with AI-driven multi-agent orchestration and conversational platforms
• Commercial experience with C#, Rust, and/or Flutter
• Experience using Pulumi with C#
• Background in EdTech, audio/video streaming, or real-time communication platforms

Stellar Logic specializes in custom IT solutions for international clients. We help businesses build internal systems and enterprise software that power their operations — from complex business logic to full-scale automation.

We’re looking for a hands-on Tech Lead / Senior Full-stack .NET Developer to join an existing engineering team and help strengthen technical ownership, delivery clarity, and client communication.

This role is for someone who enjoys staying close to the code, but also wants to influence technical decisions, guide other developers, improve engineering standards, and act as a reliable technical point of contact.

What You’ll Do

Hands-on Development: Build and improve backend and frontend parts of the system using .NET / C# and Angular.

Technical Leadership: Take ownership of technical decisions, code quality, implementation approaches, and engineering standards.

Team Coordination: Support planning, estimation, task decomposition, code reviews, and technical alignment within the team.

Architecture: Participate in system design, distributed architecture, integrations, scalability, and maintainability improvements.

Cloud & Infrastructure: Work with cloud environments, Kubernetes, CI/CD, and infrastructure-related tasks.

Client Communication: Communicate directly with the client on technical topics, clarify requirements, explain risks, and propose solutions.

Mentoring & Support: Help developers of different seniority levels through technical guidance, knowledge sharing, and practical support.

What We’re Looking For

Must-have:

• 5+ years of commercial software development experience
• Strong hands-on experience with .NET / C#
• Practical experience with Angular
• Experience with APIs, integrations, backend services, and complex business logic
• Experience with relational and/or NoSQL databases, ideally PostgreSQL and/or MongoDB
• Understanding of distributed systems, scalability, maintainability, and technical trade-offs
• Experience with cloud environments, preferably Azure and/or AWS
• Understanding of CI/CD processes and modern development workflows
• Previous experience as a Team Lead, Tech Lead, Lead Engineer, or in a role with similar technical responsibility
• English B2+ for direct communication with international clients
• Ownership mindset: ability to take responsibility for technical decisions, delivery risks, and the final result

Will be a plus:

• Experience with Kubernetes, Azure DevOps, Terraform / ARM / CloudFormation
• Experience with retail, e-commerce, logistics, supply chain, pricing systems, or internal enterprise systems
• Experience working in outsourcing / outstaffing or another client-facing environment
• Experience mentoring developers or coordinating a small engineering team

Why Work with Us?

🛠 Built around custom solutions
At Stellar Logic, we work on systems shaped around real business processes, not templates. Our projects often involve complex logic, integrations, internal workflows, and product decisions that require thoughtful engineering.

🎯 Small teams, meaningful ownership
You won’t be one of many people in a large structure. We work in focused teams where each person has visible impact, takes ownership of their part, and can influence both technical and product decisions.

⭐ Quality over quick fixes
We care about building software that is clear, reliable, and maintainable. Good engineering for us means understanding the problem, thinking through the solution, and delivering work that the team can build on.

🤝 Close collaboration with clients and teams
Our work requires direct communication, trust, and context. You’ll collaborate closely with people who care about the result — from engineers and designers to business stakeholders.

🚀 Room to grow with responsibility
Growth at Stellar Logic comes through ownership: taking on more complex tasks, leading initiatives, improving processes, mentoring others, or deepening your technical expertise.

What We Offer

Remote-first cooperation: Work from anywhere while staying connected with your team and international clients.

Flexible working hours: We value autonomy and trust, with core meetings for team and client alignment.

Paid vacation and sick leave: We support a healthy balance between work, rest, and personal life.

Tax and accounting support: We help with the administrative side so you can focus on your work.

Professional development: We support learning, certifications, and growth within your role.

Long-term collaboration: We aim to build stable cooperation, transparent communication, and a working environment where people can do their best work.

Not Meeting Every Skill?

Don’t worry if you don’t match every single requirement.
If your experience is close to what we’re looking for, you enjoy solving complex problems, and you’re ready to take ownership, we’d still be happy to talk.

UKAD is looking for a Senior Kentico Developer to join our team and work on enterprise-level web solutions built with Kentico. This role is ideal for an experienced .NET engineer with strong Kentico expertise who is also interested in working with Umbraco. While previous Umbraco experience is considered a strong advantage, we're happy to help the right candidate get up to speed with it.

What you'll do

• Develop, customize, and maintain web applications using Kentico CMS.
• Work on projects involving Kentico, Umbraco, and custom .NET development.
• Design and implement scalable, high-quality solutions following best engineering practices.
• Collaborate closely with developers, architects, QA engineers, and project managers.
• Participate in code reviews and contribute to technical discussions and architecture decisions.
• Troubleshoot, optimize, and continuously improve existing applications.

Requirements

• 6+ years of commercial experience with C#/.NET.
• Strong hands-on experience with Kentico CMS.
• Solid knowledge of ASP.NET, .NET Core/.NET, Web API, and modern development practices.
• Experience working with SQL Server and Entity Framework.
• Understanding of web technologies, including HTML, CSS, JavaScript, and REST APIs.
• Experience with Git and collaborative development workflows.
• Upper-Intermediate or higher English level.

Nice to have

• Experience with Umbraco CMS.
• Experience with Azure cloud services.
• Knowledge of CI/CD pipelines.
• Experience working on enterprise CMS or digital experience platforms.

What we offer

• Opportunity to work remotely or in a hybrid format.
• Flexible schedule. Start your workday anytime between 08:00 and 11:00, whatever works best for you.
• Work equipment provided (if needed).
• Minimal bureaucracy. Focus on engineering, not processes.
• Conferences and meetups. We support your professional growth.
• Sane, respectful, and effective management.
• The best corporate culture (according to our teammates' opinions).
• Competitive salary and additional benefits.
• Becoming a part of UKAD with unique values and long-term relationships.

Some facts about UKAD to help you make a decision

• During 2022-2025, we only strengthened our cooperation with international partners.
• UKAD combines the benefits of a family-sized company - minimal bureaucracy and easy access to decision-makers - with sustainable growth and exciting career opportunities.
• We see ourselves as a technology partner, not just a software vendor, and we work with customers who value and respect engineering expertise.
• UKAD is one of the leading employers in Kharkiv, according to DOU.
• We hire people to become part of our team, not just to fill project positions. Even if one project ends, you remain a valued member of UKAD.

Aren't we the company you're looking for?

We are looking for a Senior .NET Developer to join our team and work on a B2B platform for certified online courses and training materials in a specialized professional niche.

Responsibilities:

• Design and develop features across .NET Core and legacy VB.NET / Web Forms codebases
• Quickly understand unfamiliar code and make clean, minimal, well-targeted changes
• Refactor and modernize existing code incrementally, without large-scale rewrites
• Work with MySQL on a live production database — schema design, indexing, query optimization, and safe versioned migrations
• Ensure proper testing and deliver stable, consistent releases
• Conduct code reviews and support team members in solving complex tasks
• Document key technical decisions (e.g. in ADRs or a shared knowledge base)
• Clearly explain and justify technical decisions to the team

• Communicate effectively with team and US-based client, with at least ~1 hour of overlap with US Mountain Time

   

Requirements:

• 4+ years of commercial .NET development experience
• Strong knowledge of C# and .NET, with ability to read and work in legacy VB.NET + Web Forms
• Deep understanding of Entity Framework (EF Core) and manual SQL
• Strong hands-on experience with MySQL specifically
• Proficient in Git and Azure DevOps
• Experience with unit/integration testing, including covering legacy code
• Responsible, controlled use of AI-assisted development tools (Claude Code, Codex, Cursor, etc.) — validating AI output and documenting significant decisions

• Upper-Intermediate English or higher

   

Would be a plus:

• Experience with Telerik UI, Blazor, or .NET MAUI
• Experience with Azure, IIS / Windows Server
• Background in aviation, eLearning, or other regulated domains

Recruitment Process:

1. HR Interview
2. Technical&Final Interviews
3. Client Interview
4. Job Offer

We Offer:

• Innovation Culture: Work in a team that actively experiments with AI and modern development approaches
• Real Product Impact: Direct collaboration with a client and influence on product decisions
• Flexible Work: Remote work or a modern office in Kyiv
• Generous Time Off: 20 paid vacation days + 15 sick leave days annually
• Professional Growth: Compensation for courses, certifications, and learning resources
• Cutting-Edge Tools: Access to premium AI tools (Cursor Pro, Сlaude Code, GitHub Copilot, etc.)

D365 F&O Developer (Part-time)(ready to work US hours (GMT-5))

On behalf of our Client, Mobilunity is looking for a D365 F&O Developer.

Our Client operates a growing eCommerce business built on Microsoft Dynamics 365 Finance & Operations. As the number of ongoing projects continues to increase, they are looking for an experienced D365 F&O Developer to strengthen their internal engineering team and independently drive key development initiatives. This is a long-term part-time opportunity (20 hours/week) with the possibility of transitioning to full-time in the future, depending on business needs.

Responsibilities:

D365 F&O Development

• Design, develop, and maintain solutions using Microsoft Dynamics 365 Finance & Operations (X++).
• Deliver new features and enhancements across the D365 platform.
• Work independently on assigned development tasks with minimal supervision.
• Troubleshoot and resolve technical issues across ERP integrations and business workflows.
• Deliver clean, maintainable, and scalable code following best engineering practices.

Integration Development

• Support and extend EDI/XML integrations between D365 and third-party partners.
• Develop and enhance XML-based import/export processes.
• Participate in migrating existing middleware functionality into native D365 endpoints.
• Collaborate on system integrations between D365 and external business applications.
• Ensure reliable and efficient data synchronization across platforms.

Architecture & System Design

• Contribute to the modernization of existing system architecture.
• Help replace legacy middleware with native D365 integration endpoints.
• Participate in technical design discussions and propose scalable implementation approaches.
• Balance performance, maintainability, and business requirements when delivering solutions.

Code Quality & Collaboration

• Follow development standards and best practices.
• Participate in code reviews and technical discussions.
• Work closely with the client’s internal D365 developers throughout the development lifecycle.
• Collaborate effectively with distributed teams during US business hours.

Requirements:

• Senior-level commercial experience with Microsoft Dynamics 365 Finance & Operations (X++).
• Solid commercial experience with C#.
• Experience working with EDI/XML integrations, or the ability to quickly ramp up in this area.
• Strong understanding of ERP integrations and business processes.
• Ability to work independently and take ownership of development tasks.
• Availability to collaborate during US business hours (GMT-5).
• Good spoken and written English.

Nice to have:

• Experience building or consuming D365 endpoints and APIs.
• Experience migrating legacy integrations or middleware solutions.
• Familiarity with SQL Server and relational databases.
• Experience working with Docker-based applications.
• Understanding of eCommerce or retail business processes.
• Experience integrating Microsoft Dynamics 365 with third-party platforms.

Engagement details:

• Part-time engagement (approximately 20 hours per week).
• Long-term contract with an expected duration of around one year.
• Possibility of transitioning to full-time in the future (not guaranteed).
• Start date: As soon as possible.

About our Customer

it's a Denmark-based technology company working exclusively with international clients. Since 2019, we've partnered with established organizations to build high-quality digital products and scalable technology solutions. Our team values ownership, innovation, and continuous learning while maintaining a collaborative and low-management culture where everyone can make a real impact. About the Role We're looking for an AI Automation Engineer to help transform how we build, review, deploy, and operate software using AI. You'll design agentic workflows, AI-powered automation, and internal developer tools while contributing to backend development and platform engineering

Responsibilities 

• Design and implement AI-powered automation using LLMs and agentic workflows
•  Integrate AI into engineering processes, including code review, security scanning, testing, documentation, release notes, and developer copilots
• Build agentic workflows using APIs, tool/function calling, and MCP servers
• Implement guardrails, evaluations, and monitoring to ensure safe and reliable AI automation
• Develop backend features using C#/.NET when required.
• Design and maintain CI/CD pipelines using Azure DevOps YAML and GitHub Actions
• Support cloud infrastructure, Kubernetes, secrets management, scaling, and Infrastructure as Code
• Promote DevSecOps practices by integrating security into the development lifecycle
• Communicate technical risks, dependencies, and recommendations with stakeholders
• Stay up to date with the latest AI technologies and continuously improve engineering practices
   

✅Requirements

•  Hands-on experience building AI automation with LLMs, prompt engineering, agent design, tool/function calling, and AI integrations
• Practical experience evaluating, monitoring, and optimizing AI-powered solutions
• Strong experience with Azure DevOps (YAML) and/or GitHub Actions
• Solid Azure and Kubernetes (AKS) experience
• Experience with Infrastructure as Code (Terraform, Bicep, or ARM)
• Backend development experience with C#/.NET, ASP.NET Core, Entity Framework Core, and REST APIs
• Scripting experience with Python, PowerShell, or Bash
• Familiarity with DevSecOps, vulnerability scanning, and secrets management
• Experience working in Agile environments (Scrum/Kanban)
• 2+ years of software engineering experience with hands-on AI/automation projects
• Written and spoken Englis

Numerical Technologies LTD is a provider of custom software solutions and services specializing in risk, limits, and regulatory capital. We are currently looking for a Senior C#/.Net Developer to join our team. 

Project: Portfolio management systems for a US financial institution, focused on application migration to a new platform. 

What you will be doing:  

As part of the team, you will be participating in a client project focused on portfolio management solutions. You will help develop new software features, as well as support and maintain existing ones. You will be writing scalable and fault-tolerant code, debugging programs, and integrating applications with third-party web services. You will collaborate closely with the client and product manager to understand the system’s functional and non-functional requirements, and contribute to code quality through unit testing, integration testing, code reviews, and system design, helping deliver robust software aligned with the client's business needs.

What we are looking for:  

• 5+ years of commercial C#/.NET development experience.
• Deep understanding of object-oriented programming and software design principles.
• Strong experience developing desktop applications using WPF.
• Proficiency in SQL databases.
• Strong problem-solving skills and ability to collaborate effectively in a team environment.
• Upper-Intermediate level of English or above.

What will be a plus:

• Experience with the Infragistics library.
• Experience with other WPF UI libraries (e.g. DevExpress).
• Experience working with Java and Oracle.

What we offer: 

• Competitive compensation depending on experience and skills. 
• Regular assessments and salary reviews. 
• Paid personal days. 
• Mental health support program. 
• Language classes. 
• Flexible working schedule. 

Job Description

Primary Backend Skills:

Framework: Deep expertise in the .NET 8 Framework, specifically for building Web APIs.
API Development: Solid experience creating and managing endpoints using GraphQL for .NET.
Data Access: Proficiency with Entity Framework for ORM.
Testing: Skills in writing unit tests for backend services using XUnit.
API Documentation: Experience using Swashbuckle to generate and maintain Swagger documentation.

Cloud & DevOps Experience:

Platform: In-depth knowledge of the Azure platform is required.
Containerization: Experience with Docker for creating and managing containerized applications.
Hands-on experience deploying microservices to Azure Container Apps.
Understanding of hosting frontend applications on Azure Static Web App.
Experience managing and interacting with Azure SQL Database.
Experience with NoSQL databases, specifically Cosmos DB.
Core Azure Services: Managing customer identity with Azure AD B2C, Using Application Insights for service monitoring, Experience with Azure API Management.

Preferred, Not Required Skills

Familiarity with our modern frontend stack is a strong plus. This includes: Core Technologies: React, Typescript, and Material UI. State Management & Data: Redux toolkit and Apollo Client for GraphQL.
Tooling: Experience with Vite as a build tool, Vitest for testing, and Zod for schema validation.
Navigation: Understanding of React Router.
Version Control: Proficiency with Git and GitHub.
Collaboration: Experience working with Jira and Confluence.
API Testing: Hands-on experience with Postman, particularly within a team workspace.
Development Environment: Experience with development tools like Eslint, Prettify (Prettier), and Husky is beneficial. While the choice of IDE is flexible, experience with
Visual Studio Code is preferred.

Job Responsibilities

Working in Scrum team and perform function of senior software developer doing software modules architecture, design, development, unit and integration testing and deployment.

Department/Project Description

Developing a cloud-based platform designed for managing latest generation of IoT devices.

The core part of the system provides a centralized location for remotely monitoring, upgrading, and configuring devices. It also offers an application marketplace, allowing users to deploy and customize applications for their devices.

At the moment it is extensively extending with services that deal with telemetry provided by the connected devices and services. These services are designed in two forms. First is the predefined set of data connectors and visualisation widgets, and the second is a framework that let customers to design own connectors and widgets.

Skill Category

.NET

Keyskills - Must Have

• .NET
• Azure
• GraphQL
• Entity Framework
• MS SQL Server