Jobs C# / .NET

About us :

Techstack is a technology product engineering company that sets an example for high development standards in the IT industry. We empower each team member to influence the development of the product, company, and processes.

About the product :

We’re working with a healthcare company based in the US on a solution for remote cardiac monitoring.

The product combines medical devices and software to collect, process, analyze, and report ECG data. It helps healthcare providers monitor patients remotely and integrate cardiac monitoring into their clinical workflows.
The project covers the software behind the solution, including backend services, APIs, cloud-based components, and integrations built with C#, .NET 8, ASP.NET Core, and AWS.

Your team :

You’ll work as part of a cross-functional team with .NET and frontend engineers, QA specialists, and other project roles. The team works closely with the client, with direct communication between Techstack specialists and the client’s technical stakeholders.

Your responsibilities:

• Develop and maintain backend functionality using C# and .NET
• Design and implement REST APIs and integrations
• Build and maintain cloud-based application components using AWS
• Write clean, reliable, and testable code
• Create and maintain unit and integration tests
• Participate in code reviews and technical discussions
• Investigate and resolve defects and production issues
• Participate in requirements analysis, task estimation, and solution design
• Contribute to architectural improvements, code quality, security, and development practices
• Prepare and maintain technical documentation and follow security and privacy requirements when working with healthcare data

It's about you:

• 3+ years of commercial software development experience
• Strong knowledge of C# and .NET
• Hands-on experience with ASP.NET Core, .NET 8, and REST APIs
• Good understanding of OOP, SOLID principles, and common design patterns
• Experience with relational and/or NoSQL databases
• Experience with AWS or another major cloud platform
• Understanding of microservices and/or serverless architecture
• Experience with Git and CI/CD
• Experience writing unit and integration tests
• Ability to analyze requirements, estimate tasks, and communicate technical risks
• English — B2 or higher

How to join:

• Pre-screening with a recruiter
• Expert review of your resume
• English check
• Interview with our experts
• Customer interview

Culture:

At Techstack, we care about how we build products — not only about the result, but also about the quality of the engineering process and the way we work together.

We encourage people to keep learning, share what they know, and take ownership of their work.

Tech Guilds — communities where specialists share knowledge, discuss technical solutions and approaches, and keep up with industry trends.

Meetups and knowledge sharing — opportunities to share your experience with colleagues and the wider tech community.

Mentoring and leadership — opportunities to grow as a mentor, technical lead, or take on other roles where you can support others and share your expertise.

We believe that good products come from people who care about what they build, keep developing their expertise, and are comfortable both challenging ideas and being challenged.

What we have for you:

• Flexible work format — remote work or one of our hubs in Kyiv, Lviv, Kharkiv, or Wrocław, plus flexible working hours.
• Professional growth — Tech Guilds, mentoring, meetups, knowledge sharing, and other development opportunities.
• Education support — 50% compensation for professional courses, trainings, webinars, and certifications.
• English — free General English, Business English, and speaking clubs.
• Time off — 20 paid days off and 7 paid sick days per year, plus additional days off.
• Support — legal and accounting support.
• Community — online and offline team activities, professional events, and appreciation gifts.

See yourself in this role? Send us your resume and let’s start the conversation!

We are looking for an experienced Senior .NET Developer to join our engineering team and help build a modern FinTech platform. You'll play a key role in designing scalable solutions, driving technical decisions, and mentoring other developers.

Responsibilities:

- Design, develop, and maintain scalable backend applications.

- Build and optimize high-performance APIs and services.

- Contribute to system architecture and technical strategy.

- Conduct code reviews and mentor team members.

- Collaborate with Product, QA, and DevOps teams.

- Ensure high code quality and system reliability.

Requirements:

- 5+ years of commercial experience with C#/.NET.

- Strong expertise in .NET Core / .NET 8 and ASP.NET Core.

- Extensive experience designing REST APIs.

- Strong knowledge of SQL and database optimization.

- Experience with Entity Framework Core.

- Solid understanding of microservice architecture.

- Hands-on experience with Docker and Kubernetes.

- Experience with Azure or AWS.

- Deep understanding of OOP, SOLID, and design patterns.

- Upper-Intermediate English or higher.

Nice to Have:

- Experience with message brokers (RabbitMQ, Kafka, Azure Service Bus).

- Experience with Redis.

- Background in FinTech, banking, or payment systems.

- Experience mentoring developers and leading technical initiatives.

We’re looking for a Senior Microsoft Dynamics 365 CE Developer to join a project focused on extending and maintaining an existing, heavily customized Dynamics 365 Customer Engagement solution.

What you’ll do

• Develop and maintain customizations for Dynamics 365 CE / CRM.
• Work with C#/.NET, plugins, Custom APIs and Dataverse SDK.
• Design and optimize Dataverse data models.
• Develop JavaScript/TypeScript form scripts and PCF controls.
• Work with Model-driven Apps and Power Platform.
• Build and maintain integrations with Azure services and external systems.
• Troubleshoot production issues and optimize performance.
• Manage solutions and ALM across Dev/Test/Prod environments.
• Perform data migrations and work with security configurations.
• Make technical decisions and independently estimate and break down tasks.

Requirements

• 5+ years of experience with Dynamics 365 CE / CRM.
• Strong C# / .NET experience.
• Solid knowledge of Microsoft Dataverse.
• Experience with JavaScript / TypeScript.
• Experience with PCF, React.
• Strong understanding of Dynamics 365 Model-driven Apps.
• Experience with Power Automate.
• Knowledge of Dynamics 365 security model.
• Experience with REST / Web API, OData, FetchXML.
• Experience with Azure Service Bus, Webhooks, Azure Functions.
• Knowledge of Entra ID / Azure AD, OAuth 2.0.
• Experience with performance optimization and troubleshooting.

• Experience with data migration tools such as Configuration. Migration Tool, KingswaySoft / SSIS or Data Import Wizard.

   

Nice to have

• Power Pages / Portals.
• Git, Azure DevOps / GitHub Actions, Power Platform Build Tools, pac CLI.
• Azure Functions, Logic Apps, Key Vault, Application Insights, API Management.
• SQL Server, Azure Synapse Link / Microsoft Fabric.
• Dynamics 365 Sales, Customer Service or Field Service.
• Dual-write / Dynamics 365 F&O integrations.
• FakeXrmEasy, EasyRepro or Playwright.
• SSRS / FetchXML reporting, Power BI.

We Offer:

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

Job Description

5+ years of experience in software development, with a focus on C#, React, and .NET Core.
Strong knowledge of object-oriented programming, design patterns, and modern software architectures (e.g. serverless, microservices, containerized, etc.).
Proficiency in front-end development using React.js and modern JavaScript/TypeScript frameworks.
Experience with cloud platforms (e.g., Azure, AWS, or GCP). - Azure preferred
Experience with CI/CD pipelines, unit testing, and deployment automation tools.
Excellent problem-solving skills and ability to work in a fast-paced, agile environment.
Experience working with Azure DevOps for task tracking and code repository would be a plus.
Experience working with AI-based productivity tools would be a plus.
Experience with NextJS and Syncfusion UI component library would be a plus.

Job Responsibilities

Perform as part of a team in designing, developing, and deploying high-quality applications using C#, React, and .NET Core working on one of the workstreams on the project in Healthcare domain.

Conduct code reviews and support junior team members to ensure technical excellence and professional growth.

Department/Project Description

Client is a leading global Contract Research Organization (CRO) that provides Phase I-IV clinical trial management, market access, and technology solutions with over 30 years of experience.

Mantah is hiring a Software Engineer for a project developing an operations management platform and delivering scalable solutions for infrastructure, assets, and workforce management. 

The customer is an international company specializing in technology consulting and business process improvement. The company helps organizations enhance operational efficiency, optimize workflows, and support digital transformation initiatives through modern technology solutions, system integrations, and process automation across various business domains. 

The project is focused on developing and enhancing an operations and facilities management platform that helps organizations manage infrastructure, maintenance, workforce, inventory, and service processes. It enables real-time data tracking, reporting, and asset management to improve operational efficiency, data accuracy, and overall performance. 

Responsibilities: 

• developing features and implementing bug fixes across a range of modern .NET based technologies and applications;
• providing technical leadership and mentoring to software developers, other software engineers and interns;
• designing and creating next generation telecom application software, as well as participates in ongoing sustainment of the software; 
• participating in all phases of the software development process; 
• working as part of a distributed international team, engaging in global support and implementation activities; 
• participating with the Product Management Team in the training, product briefs, and deployment of new installations both internally and externally; 
• leading by example on AI-assisted development, integrating tools such as Claude Code, Cursor, or GitHub Copilot into daily coding, code review, and debugging workflows; coach and pair with teammates to accelerate AI-augmented development adoption across the team. 

Must-haves:  

• experience in .NET development for 7 years, including designing/architecting software solutions, for 5+ years;
• strong expertise in C#, .NET Core 6/7/8, ASP.NET MVC, and Blazor (Server/WebAssembly); 
• solid front-end skills: HTML5, CSS3, JavaScript, Bootstrap; jQuery;
• strong experience with SQL Server and T-SQL: schema design, views, stored procedures, functions, and query optimization; 
• experience with BI dashboards, reporting, and ETL processes; SSRS is a plus; 
• strong understanding of OOP, design patterns, software engineering, and application lifecycle management; 
• experience with REST, SOAP, WCF, and SOA; 
• proficiency with Visual Studio, Azure DevOps, Git/source control, CI/CD, build and deployment processes; 
• daily hands-on use of AI-assisted development tools such as Claude Code, Cursor, or GitHub Copilot for coding, refactoring, testing, and documentation; 
• excellent written and verbal communication skills and experience working with geographically distributed teams; 
• level of English – from Upper-Intermediate and above. 

Nice to haves: 

• knowledge of BSS/OSS systems, telecommunications plant and facilities management is beneficial; 
• familiarity with Dev Express Controls; 
• experience or understanding of Test Driven Development; 
• object-relational mapping (NHibernate, Entity Framework); 
• unit Testing Frameworks (MBUnit, nUnit, xUnit); 
• service bus, messaging concepts (NServiceBus, MSMQ, RabbitMQ); 
• experience with Agile / Scrum or Lean development practices; 
• familiarity with Azure DevOps for sprint planning, work item management, and pipeline configuration; 
• ability to effectively utilize MS Office (Word, Excel, PowerPoint, and Outlook). 

C#/.NET Engineer – ERP & QuickBooks Integration

Location: Ukraine — 100% Remote
Employment Type: Full-Time
Salary: $2,000–$2,500 USD/month
Required Working Hours: U.S. Eastern Time (ET)

About the Role

We are looking for an experienced C#/.NET Engineer based in Ukraine to join our development team and work primarily on ERP development and QuickBooks integrations.

This is a remote position, but candidates must be available to work U.S. Eastern Time business hours. This requirement is important because the engineer will collaborate directly with our U.S.-based engineering team, customers, and business stakeholders.

You will build and maintain backend services, APIs, synchronization processes, and integrations connecting our ERP platform with QuickBooks and other business systems.

Responsibilities

• Develop and maintain backend applications using C# and .NET / .NET Core.
• Build and maintain ERP integrations with QuickBooks.
• Develop integrations with QuickBooks Online (QBO) APIs.
• Work with customers, vendors, invoices, payments, bills, expenses, purchase orders, accounts, payroll-related data, and inventory.
• Design reliable two-way data synchronization between ERP and QuickBooks.
• Build REST APIs, webhooks, background services, and scheduled synchronization jobs.
• Implement OAuth 2.0 and other authentication mechanisms.
• Handle data mapping and transformation between ERP and QuickBooks.
• Troubleshoot synchronization failures, duplicate records, API errors, and data inconsistencies.
• Implement retry mechanisms, logging, monitoring, and error handling.
• Work extensively with SQL Server and relational data.
• Investigate and resolve production integration issues.
• Participate in code reviews and architecture discussions.
• Collaborate directly with U.S.-based developers, product managers, customers, and stakeholders.

• Participate in meetings and technical discussions during U.S. Eastern Time working hours.

   

Required Technical Skills

• 3+ years of professional C#/.NET development experience
• Strong C# programming skills
• .NET 6/7/8 or later
• ASP.NET Core / Web API
• REST API development and third-party integrations
• SQL Server
• Entity Framework / Entity Framework Core
• OAuth 2.0
• JSON and API data transformation
• Background workers and scheduled jobs
• Asynchronous programming (async / await)
• Git
• Strong debugging and troubleshooting skills

ERP & QuickBooks Experience

Experience in one or more of the following is strongly preferred:

• QuickBooks Online API
• QuickBooks Desktop integrations
• QuickBooks Web Connector
• ERP development
• Accounting system integrations
• Customer/vendor synchronization
• Invoice and payment synchronization
• Payroll integrations
• Inventory and purchasing workflows
• CRM-to-accounting integrations
• Financial data synchronization

Previous QuickBooks integration experience is highly preferred.

Nice to Have

• Microsoft Azure
• Azure Functions
• Azure App Service
• Azure SQL
• Azure Service Bus
• Docker
• CI/CD
• GitHub Actions or Azure DevOps
• Microservices
• Message queues
• Redis
• Vue.js, Angular, or React
• Multi-tenant SaaS experience
• Experience modernizing legacy .NET applications

Working Hours — Important

This position requires working according to the U.S. Eastern Time (ET) schedule.

Candidates must be comfortable working U.S. business hours from Ukraine and should be consistently available during the agreed Eastern Time schedule for:

• Daily development work
• Team meetings
• Customer meetings
• Technical discussions
• Production support
• Collaboration with U.S.-based team members

Please apply only if you are comfortable working U.S. Eastern Time hours on a long-term basis.

What We're Looking For

We need an engineer who can take ownership of integrations from beginning to end: understand the business workflow, review third-party API documentation, design the solution, implement it, test it, deploy it, and troubleshoot production issues.

Because this role involves accounting and financial data, accuracy, reliability, data integrity, logging, and robust error handling are critical.

Strong English communication skills are also important because you will regularly communicate with U.S.-based team members and potentially customers.

We are looking for an experienced AWS Engineer / .NET Developer with strong expertise in Amazon Web Services, .NET/C# web development, and AI technologies.

Must Have

• Strong hands-on experience with AWS (Amazon Web Services)
• Solid commercial experience with C# and .NET / .NET Core
• Strong experience with ASP.NET Core
• Experience with ASP.NET MVC
• Experience developing Web APIs / REST APIs
• Experience with web applications and web services
• Good knowledge of HTML, CSS, JavaScript / TypeScript
• Experience with modern web frameworks such as React and/or Angular
• Practical experience with AI technologies and AI-powered solutions
• Experience integrating AI capabilities into software applications
• Good understanding of cloud architecture and AWS services
• Experience with Git and CI/CD

• Good problem-solving skills and ability to work independently

   

Responsibilities

• Design, develop and maintain web applications using C#/.NET and ASP.NET Core
• Develop and maintain ASP.NET MVC applications
• Build and maintain Web APIs and REST APIs
• Develop backend services and cloud-based applications
• Work with AWS to deploy, maintain and scale applications
• Develop and integrate AI-powered functionality
• Integrate AI services and APIs into existing software products
• Work with frontend technologies such as JavaScript/TypeScript, React and/or Angular
• Improve application performance, scalability and reliability
• Participate in code reviews, technical discussions and architecture decisions
• Work closely with other developers, architects and technical teams

The candidate should have hands-on commercial experience with these technologies and be able to independently work on complex software and cloud-based solutions.

Vreal Soft is a Ukrainian IT company developing mobile applications and websites. We have been working successfully for more than 7 years on the market of the States and Israel. The head office is located in Cherkasy, but we are constantly developing and expanding the horizons of cooperation to other cities, currently we have opened a branch in Dnipro.

The best interns are able to finish before the ending date of internship and start to work as “Junior MS Dynamics Developer”. Program is oriented for both professional experienced candidates and those who just have started their careers.

Requirements:

-Experience with .NET framework/.NET Core

-Knowledge of C# development, including areas: multithreading, interfaces, dependency injection.

Would be great to know:

-Experience with ASP.NET Core and ASP.NET Core MVC

-Knowledge of Azure basic services.

-Understanding REST API architecture.

-Experience with MS SQL

-Experience with the Entity Framework core.

-Ability to communicate well with process stakeholders and team members related to business requirements

-English Intermediate+ (written and spoken)

-Microsoft SharePoint, Microsoft Dynamics 365 services (Power Apps, Power Automate, Power BI, etc) will be a plus

What do we expect from you?

-Self-organization and independence at work

-Attention to detail

-Continuous learning

We offer:

-Competitive salary level;

-Financial growth

-Well-established internal communication in the company;

-Space for creativity and new perspectives;

-Continuous learning and the opportunity to develop their skills and competencies;

-Paid vacation and sick leave;

-Corporate English courses;

-Flexible work schedule;

-Interesting and driving tasks;

-And of course, a cool team and fun corporate parties.

If you feel that your skills meet these requirements, please send us your resume and cover letter for consideration. We look forward to your applications and are ready to welcome you to our team.

We’re building a next‑generation financial leasing ecosystem on Creatio — not just a CRM, but a unified platform that connects business processes, customer experience, and modern digital channels. To accelerate our growth, we’re looking for a Creatio Developer who will drive technical excellence and help scale the product.

💡 About the Project

Our core solution is a Creatio‑based platform that automates the full financial leasing lifecycle — from application to contract servicing. And we’re expanding fast:

📱 Mobile app (Flutter) 🌐 Web portal (Angular) 🔗 Integrations with external services via API

🎯 What You’ll Do

• Full lifecycle application development
• Produce clean, efficient, well-documented codebase

• Be active part of the team

   

🛠️ What We’re Looking For

• Knowledge in CRM Creatio more than 3 years — MUST!
• Knowledge in C#, .NET, JavaScript, Ext.JS
• REST knowledge
• SQL knowledge (MS SQL Server)
• Understanding of: HTTP, XML/JSON
• Familiar with continuous integration (Jenkins) and source control systems such as GIT
• Understanding of SDLC process (Agile/Scrum)
•  

⭐ Why This Role Is Exciting

• You influence the product from the ground up
• A diverse tech landscape: CRM + mobile + web
• A team you can shape and develop

• Freedom to make architectural and technical decisions

   

🌟 Why 7,000 Employees Have Chosen Us

• Growth every day: structured career development, internal training programs, and opportunities to gain new skills.
• A supportive, inspiring team: a professional environment where your ideas matter and collaboration is the norm.
• Flexibility that works for you: hybrid format, flexible schedule, and the ability to balance productivity with comfort.
• Wellbeing matters: table tennis, psychological support, and legal assistance to help you stay balanced.
• Meaningful impact: participation in social initiatives that make a real difference and add purpose to your work.
• A culture of trust: mistakes are treated as learning opportunities, and achievements are celebrated together.
• Modern tools & technologies: everything you need to work efficiently and enjoy the process.

Job Description

6+ years of software development experience with the .NET platform (ASP.NET Core, C#)
Strong experience building and consuming REST APIs (OpenAPI, FluentValidation)
Knowledge of OAuth 2.0 flows is a plus
At least 2+ year of proven experience with Azure Cloud services (Service Bus, Azure Functions, CosmosDB)
Solid understanding of client-server application design and asynchronous programming
Experience with CI/CD pipelines in Azure DevOps or equivalent tools
Knowledge of containerization (Docker, Kubernetes) is a strong plus
Familiarity with low-code/no-code integrations (Power Apps, Power Automate) is desirable
Experience with Azure ML/AI services, document recognition, or data-driven workflows is an advantage
Proficiency in debugging, refactoring, and clean code design
Strong analytical skills with ability to ramp up quickly in new domains
Good written and verbal communication skills in English (Upper-Intermediate+)

Job Responsibilities

Design and implement cloud-native applications leveraging Azure Functions, Service Bus, and CosmosDB
Build and maintain microservices and APIs that integrate with multiple systems, including D365 and data platforms
Collaborate with stakeholders to define and negotiate API contracts and ensure reliable system integrations
Implement data processing and workflow services with a focus on scalability, performance, and resilience
Contribute to the design of low-code solutions integrating Azure ML/AI services for automation (e.g., document recognition, intelligent data extraction)
Participate in planning, estimation, and architecture discussions, providing technical guidance
Debug and resolve issues of various complexities across the stack
Work closely with DevOps and QA to ensure CI/CD pipelines, automated testing, and deployment processes are efficient and robust
Follow coding standards and contribute to continuous improvement initiatives within the development team

Department/Project Description

GlobalLogic is searching for a motivated, results-driven, and innovative software engineer to join our project team at a dynamic startup specializing in pet insurance. Our client is a leading global holding company that is dedicated to developing an advanced pet insurance claims clearing solution designed to expedite and simplify the veterinary invoice reimbursement process for pet owners.

You will be working on a cutting-edge system built from scratch, leveraging Azure cloud services and adopting a low-code paradigm. The project adheres to industry best practices in quality assurance and project management, aiming to deliver exceptional results.

We are looking for an engineer who thrives in collaborative, supportive environments and is passionate about making a meaningful impact on people's lives. If you are enthusiastic about building innovative solutions and contributing to a cause that matters, this role could be an excellent fit for you.

.NET Engineer (Microsoft Teams / Voice Platform)

We are looking for a .NET Engineer to join a long-term product project focused on voice communication and Microsoft Teams integrations.

The platform works with calls, meetings, recordings, and communication data. You’ll develop backend services and integrations connecting the product with the Microsoft Teams ecosystem.
 

Responsibilities

• Develop and maintain backend services using C# / .NET and ASP.NET Core
• Design and optimize backend components working with SQL databases
• Build and support Microsoft Teams integrations
• Work with Microsoft Graph API and Microsoft Graph Communications APIs
• Implement functionality related to calls, meetings, call records, recordings, participants, and communication data
• Develop and maintain REST APIs and third-party integrations
• Troubleshoot production issues related to Teams and voice functionality
• Improve backend performance, stability, and scalability
• Contribute to architecture and technical decisions
   

Requirements

• 5+ years of commercial C# / .NET development experience
• Strong knowledge of C# and .NET fundamentals
• Strong experience with ASP.NET Core and backend development
• Strong SQL knowledge and hands-on experience with relational databases
• Good understanding of REST APIs, integrations, and backend architecture
• Hands-on commercial experience with Microsoft Graph API
• Experience with Microsoft Graph Communications / Cloud Communications APIs, or strong theoretical knowledge of these APIs
• Understanding of APIs and concepts related to Teams calls, meetings, call records, recordings, participants, and communication data
• Ability to independently investigate and solve technical and production issues
• English: B2+
   

Will be a plus

• Hands-on commercial experience with Microsoft Graph Communications / Cloud Communications APIs
• Microsoft Teams compliance recording or call-recording solutions
• Experience with VoIP, telephony, UCaaS/CCaaS, or contact center platforms
• Real-time audio/media processing experience
• Knowledge of WebRTC, SIP, or RTP
• Experience with SignalR / WebSockets
• Strong experience with Azure
   

What We Offer

• Long-term product project
• Transparent compensation
• Paid vacation and sick leave
• Learning and professional development support
• High-quality equipment
• Paid office lunches
• Anniversary gifts and baby bonus

We are looking for a Senior Backend Developer to join a product team in the travel industry and take part in the full product development lifecycle - architecture, system design, development, deployment, and maintenance of new and existing features.

You'll work closely with the development team to ensure system consistency and a great user experience, and you'll be the driving force behind all back-end activities.

What you'll do:

• Develop, maintain, and support internal business applications in C# / .NET 10;
• Own architecture and system design decisions across new and existing features;
• Mentor other developers and help grow their skills;
• Drive best practices in development, code versioning, testing, and deployment (CI/CD);
• Recommend innovative solutions that bring value to the business.

Requirements:

• 6+ years of backend development experience with C# and related technologies;
• Strong SQL skills, preferably PostgreSQL or MySQL;
• Strong experience creating and consuming APIs (rate limiting, caching, performance, queues);
• Experience with messaging systems and communication patterns (RabbitMQ, Kafka, or Azure Service Bus);
• Solid understanding of software design principles, modern design patterns, MVC, and microservices;
• Experience with unit and integration testing;
• Experience with authorization and security, and with structured logging;
• Confident with Git / GitHub;
• Basic knowledge of front-end technologies: HTML, CSS, JavaScript, HTTP protocols;
• Strong English, verbal and written;
• Team player with a positive attitude and intrinsic motivation.

Nice to have:

• Blazor;
• gRPC;
• Angular and reactive programming principles;
• Test-Driven Development (TDD);
• Scrum / Agile experience.

The candidate must have at least 1+ years of experience working with Terrasoft / Creatio CRM.

Responsibilities

• Design and implement solutions according to defined standards, patterns, and best practices
• Configure and develop business logic, business processes, and case management flows
• Implement UI/UX using Freedom UI and classic client modules
• Build and maintain integrations with external systems (REST/OData, webhooks, connectors)
• Maintain and optimize databases (PostgreSQL, MS SQL Server)
• Perform development testing and unit testing
• Participate in code review and enforce code quality standards
• Package, version, and deploy Creatio configuration changes (workspaces, packages, CI/CD)
• Update and maintain solution specifications to reflect actual implementation
• Collaborate with business analysts and QA within an Agile team

Background

• 2+ years of experience in .NET-based software development (.NET Framework and/or .NET Core)
• 1+ years of experience working with Terrasoft / Creatio CRM
• 1+ years of experience with high-load projects
• Intermediate English or higher

Skills
OOP:

• Strong knowledge and correct usage of OOP principles
• Strong knowledge of SOLID principles
• Knowledge of design patterns and when to apply them

.NET Framework / .NET Core / C#:

• Experience with ORM frameworks and ADO.NET
• WCF or Web API experience (REST/SOAP) is a must
• Experience with .NET Core 8 (Web API, minimal APIs, dependency injection, configuration/hosting model) is a strong plus, given Creatio’s ongoing migration to .NET Core
• Understanding of differences and migration considerations between .NET Framework and .NET Core in the context of Creatio
• Experience working with DI containers
• Strong LINQ and collections knowledge
• Experience with xUnit (or NUnit) for unit testing

Creatio Platform (core):

• Solid understanding of Creatio architecture: packages, workspaces, schemas, business processes
• Strong hands-on experience with Freedom UI: pages, sections, business rules, data sources, custom components/handlers
• Experience with the Process Designer (BPMN) and Case Designer
• Experience customizing the data model, object designer, and access rights
• Understanding of Creatio’s client-side (Freedom UI + classic ClientUnit/Ext.js modules) and server-side (C#, source code schemas) customization
• Experience with clio (Creatio CLI) for local development, package deployment, and DevOps workflows is a strong plus
• Familiarity with the Creatio Marketplace and app packaging/distribution
• Awareness of Creatio’s AI/Copilot capabilities and how they integrate into business logic is a plus

JavaScript / TypeScript:

• Strong AJAX/asynchronous programming understanding
• Solid knowledge of TypeScript (types, interfaces, generics) — required for Freedom UI component development
• Understanding of MVVM or similar patterns
• Experience with Angular or modern JS/TS frameworks is a plus (relevant for classic UI customization)

Databases:

• SQL Server, PostgreSQL (T-SQL)
• Experience with high-load databases
• Experience writing stored procedures, views, and functions
• Understanding of query optimization and indexing

DevOps & Tools:

• Experience with Git (SVN is a plus for legacy projects)
• Experience with CI/CD pipelines for Creatio deployments
• Understanding of Creatio deployment models: on-site vs. Creatio Cloud
• Basic Docker/containerization knowledge is a plus

Other:

• Ability to work within an Agile/Scrum approach
• Understanding of cloud infrastructure concepts: AWS, Google Cloud, Azure
• Strong communication skills and ability to work directly with business stakeholders

Nice to have:

• Experience with IIS administration
• Basic experience with HTML and CSS
• Creatio Developer certification
• Experience with low-code configuration for Sales/Marketing/Service Creatio products
• Experience integrating Creatio with third-party services (payment gateways, telephony, messengers)

 We offer:

•  Competitive compensation
•  Equipment for work
•  Personal and professional growth
•  Full remote work, but if you wish you can come to our Kyiv office: Business Center Europe Plaza (near the metro)
•  Corporate English courses online in ZOOM (fully paid by our company)
•  Paid time off, vacation and sick days 100%
•  New year holidays
•  Opportunity to meaningfully influence the product/project growth and development
•  Interesting and challenging large-scale projects
•  Dynamic and professional team
•  Loyal and attentive management & supervision.

About Edenlab

Edenlab is a custom software development company with deep expertise in fintech and healthcare. We work on large-scale, meaningful projects for international clients — from MedTech platforms and e-Government services to core fintech solutions.

We cover the full product development lifecycle: from business and system analysis to architecture, development, testing, and post-release support.

Our team is our greatest value. We’re a group of smart and driven people who care about building products that make a real impact. We combine startup agility with enterprise-level quality.

We value ownership, transparency, and curiosity — and we’re looking for people who share the same mindset.

If this role sounds like a fit, we’d love to hear from you! Please send your CV along with your salary expectations.

edenlab.com.ua

https://jobs.dou.ua/companies/edenlab/

We are seeking an experienced Senior .NET MAUI Developer to support the stabilization and further development of our End-to-End (E2E) Provisioning environment. Focus is on delivering high-quality software solutions, improving system stability, and supporting ongoing development activities within an agile environment.

Start: October 2026

Duration: 6 months (option of extension)

Workload: 100%

Location: remote

Language: english

We are building and stabilizing the mobile provisioning toolchain for a global IoT platform in the elevator industry. The platform enables field technicians across 35+ countries to commission, configure, and connect elevators to cloud-based remote services. You will join a cross-functional product team working to improve reliability, performance, and user experience of the mobile application layer.

Your Role

You are a MAUI specialist first, with solid backend skills when the situation requires it. Expect to spend ~70% of your time in the mobile layer and ~30% supporting backend integration work.

Mobile (Primary Focus)

› Own the App architecture, performance, and quality of the cross-platform mobile application built on .NET MAUI

› Drive UI/UX implementation for field-technician workflows

› Solve platform-specific issues across Android and iOS (rendering, lifecycle, permissions, device fragmentation)

› Implement and maintain a robust testing strategy for mobile: unit tests, UI tests, device-specific regression

› Optimize app startup time, memory footprint, and network resilience for field conditions Backend (Secondary Focus)

› Develop and integrate REST APIs and microservices (C#/.NET) that serve the mobile layer

› Support Azure cloud-native services integration (Functions, Service Bus, App Configuration)

Required Qualifications

› 3+ years hands-on .NET MAUI development with at least one shipped production application on both Android and iOS

› Deep understanding of MAUI architecture: dependency injection, Shell navigation, handlers/renderers, platform-specific code

› Strong C#/.NET backend skills — you can build and maintain APIs

› Test-Driven Development as a working habit, not a buzzword: unit testing, integration testing, automated QA

› Practical experience with Azure (DevOps, Functions, or equivalent cloud-native services)

Nice to Have

› Background in industrial or field-service applications

› Experience with offline-first patterns, local storage, and sync mechanisms › Familiarity with feature flags, remote configuration, and phased rollouts

› Experience with AI and agentic workflows

› Participate in CI/CD pipeline maintenance and DevOps activities

› Experience MAUI/Xamarin.Forms-to-MAUI migration

Candidate Profile

› Senior-level professional (5+ years .NET ecosystem)

› Comfortable owning technical decisions in a small, autonomous team

› Communicates proactively — flags risks early, proposes solutions, not just problems

Job Description

6+ years of software development experience with the .NET platform (ASP.NET Core, C#)
Strong experience building and consuming REST APIs (OpenAPI, FluentValidation)
Knowledge of OAuth 2.0 flows is a plus
At least 2+ years of proven experience with Azure Cloud services (Service Bus, Azure Functions, Cosmos DB)
Solid understanding of client-server application design and asynchronous programming
Experience with CI/CD pipelines in Azure DevOps or equivalent tools
Knowledge of containerization (Docker, Kubernetes) is a strong plus
Familiarity with low-code/no-code integrations (Power Apps, Power Automate) is desirable
Experience with Azure ML/AI services, document recognition, or data-driven workflows is an advantage
Proficiency in debugging, refactoring, and clean code design
Strong analytical skills with ability to ramp up quickly in new domains
Good written and verbal communication skills in English (Upper-Intermediate+)

Job Responsibilities

Design and implement cloud-native applications leveraging Azure Functions, Service Bus, and Cosmos DB
Build and maintain microservices and APIs that integrate with multiple systems, including D365 and data platforms
Collaborate with stakeholders to define and negotiate API contracts and ensure reliable system integrations
Implement data processing and workflow services with a focus on scalability, performance, and resilience
Contribute to the design of low-code solutions integrating Azure ML/AI services for automation (e.g., document recognition, intelligent data extraction)
Participate in planning, estimation, and architecture discussions, providing technical guidance
Debug and resolve issues of various complexities across the stack
Work closely with DevOps and QA to ensure CI/CD pipelines, automated testing, and deployment processes are efficient and robust
Follow coding standards and contribute to continuous improvement initiatives within the development team

Department/Project Description

GlobalLogic is searching for a motivated, results-driven, and innovative software engineer to join our project team at a dynamic startup specializing in pet insurance. Our client is a leading global holding company that is dedicated to developing an advanced pet insurance claims clearing solution designed to expedite and simplify the veterinary invoice reimbursement process for pet owners.

You will be working on a cutting-edge system built from scratch, leveraging Azure cloud services and adopting a low-code paradigm. The project adheres to industry best practices in quality assurance and project management, aiming to deliver exceptional results.

We are looking for an engineer who thrives in collaborative, supportive environments and is passionate about making a meaningful impact on people's lives. If you are enthusiastic about building innovative solutions and contributing to a cause that matters, this role could be an excellent fit for you.