Jobs C# / .NET

About the role:

As a .NET MAUI Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. This project is with a global Financial Services Provider that focuses on providing responsible credit to underbanked customers in international markets. The current strategy centers on consolidating technology delivery to a single partner to drive efficiency and operational excellence.

You will join the Customer Application. The primary mobile application serves as a critical self-service tool for over 800,000 users. It is currently undergoing a technology refresh, migrating to a modern framework to improve scalability, performance, and accessibility compliance across the organization's European footprint.
 

Responsibilities:

• Responsible for solution architectures and setting the strategy across businesses, developing innovative ideas and tracking emerging issues
• Provide hands-on technical leadership, guiding development teams and ensuring scalable software delivery using DevOps best practices
• Design, develop, and maintain complex software systems, driving high-quality code production and defining system architecture
• Act as a force multiplier by improving team processes and guiding software deliveries from conception to deployment
• Manage and oversee implementation against architectural standards and designs, engaging closely with product and architecture stakeholders

• Mentor and develop software builders, providing technical leadership and fostering a collaborative engineering community

   

Requirements:

• Minimum 10 years of experience in major and complex architecture design and programme implementation
• Deep technical expertise in mobile application development including .Net MAUI, React Native, and AWS
• Expert proficiency in C#, .Net Core, REST APIs, and both Android and iOS operating systems
• Expert knowledge of AWS components (API Gateway, Lambda, ECS, Fargate, S3, RDS, DynamoDB, CloudFormation)
• Extensive experience with monitoring and logging tools such as AWS CloudWatch, CloudTrail, and Kibana
• Specialist business knowledge with the ability to manage teams and engage in high-level client relationship management

Desirable:

• Familiarity with the Product Operating Model and advanced AWS services like X-Ray
• Strong focus on emerging 'AWS Cloud' technologies and innovative marketplace ideas
• Ability to forge close links with architects, developers, and analysts to build quality-driven communities
• Fluent English speaking with excellent verbal and written communication skills for stakeholder engagement

About the Role:

We are looking for an experienced Staff / Principal .NET Engineer with deep expertise in .NET, AWS, and distributed systems to join one of our long-term projects.

In this role, you will serve as a senior technical leader, driving architecture and engineering decisions while remaining hands-on with development. You will work on designing and delivering scalable, secure, and maintainable software solutions, mentor engineers through technical leadership, and help shape the long-term technical direction of the platform.

The ideal candidate combines strong software engineering expertise with architectural thinking, enjoys solving complex technical challenges, and leads by example through high-quality code and sound technical decisions.

Responsibilities:

• Design, develop, and maintain scalable software applications using C#/.NET technologies.
• Drive technical architecture decisions and ensure the implementation of scalable, maintainable, and secure solutions.
• Design, develop, and maintain microservices-based architectures.
• Build and maintain high-performance REST APIs.
• Develop cloud-native solutions using AWS services, including Lambda and SQS.
• Design efficient and scalable relational database solutions using Microsoft SQL Server.
• Take ownership of complex technical initiatives from architecture through implementation and delivery.
• Analyze business requirements, estimate engineering efforts, and define technical implementation strategies.
• Write clean, maintainable, and well-tested code with a strong focus on Unit Testing and Definition of Done principles.
• Conduct code reviews and establish engineering best practices, coding standards, and software quality guidelines.
• Mentor and support engineers through technical guidance, knowledge sharing, and architectural reviews.
• Collaborate closely with Product Owners, Business Analysts, QA Engineers, and other stakeholders to deliver business value.
• Identify technical risks, resolve complex engineering challenges, and continuously improve system performance, reliability, and maintainability.
• Evaluate new technologies and recommend improvements where appropriate.
• Utilize AI-powered development tools to improve engineering productivity.

Requirements:

• 8+ years of commercial software development experience with C#/.NET Core and .NET Framework.
• Proven experience as a Staff Engineer, Principal Engineer, Technical Lead, Development Lead, or similar senior technical individual contributor role.
• Strong experience designing and building microservices-based architectures.
• Hands-on experience with AWS services, including Lambda, SQS, and cloud-native application development.
• Strong experience with Microsoft SQL Server (MSSQL) and relational database design.
• Extensive experience designing and developing REST APIs.
• Strong understanding of software architecture, distributed systems, design patterns, and software engineering best practices.
• Experience driving architectural decisions and leading complex technical initiatives.
• Strong experience conducting code reviews and mentoring engineers.
• Experience working in Agile development environments.
• Advanced or higher level of English.

Nice to Have:

• Experience with containerization technologies (Docker, Kubernetes/EKS).
• Experience with CI/CD pipelines and DevOps practices.
• Experience with Infrastructure as Code (Terraform, CloudFormation, or similar).
• Experience working with AI-powered development tools.
• Experience modernizing legacy systems and migrating applications to cloud-native architectures.
• Experience working with event-driven architectures and messaging systems.

What We Offer:

• Opportunity to work on a long-term international project with modern technologies.
• Challenging technical problems and the ability to influence architectural decisions.
• A collaborative engineering culture focused on quality, continuous improvement, and knowledge sharing.
• Professional growth in a team of experienced engineers.
• Flexible working environment and opportunities for continuous learning.

Phoenix Games is a technology company building next-generation iGaming and Web3 products for a global audience. We develop scalable gaming platforms powered by modern cloud technologies, blockchain, AI, and high-performance backend systems.

Our engineering team is passionate about creating reliable, secure, and scalable software that delivers an exceptional experience to millions of users worldwide.

We are looking for an experienced Senior .NET Developer to help us build and evolve our core platform.

What You'll Do

• Design, develop, and maintain high-performance backend services using .NET.
• Build scalable microservices and distributed systems.
• Develop and optimize RESTful APIs.
• Collaborate with Front-end Developers, QA Engineers, Product Managers, and DevOps.
• Improve application performance, reliability, and security.
• Optimize SQL queries and database performance.
• Participate in architecture discussions and technical decision-making.
• Perform code reviews and mentor other engineers.
• Contribute to CI/CD processes and engineering best practices.

Tech Stack

• .NET 8 / ASP.NET Core
• C#
• Entity Framework Core
• MS SQL Server / PostgreSQL
• Redis
• RabbitMQ / Kafka
• Docker
• Kubernetes
• Azure / AWS
• Git
• GitHub Actions
• REST APIs
• Microservices

Requirements

• 4+ years of commercial experience with C# and .NET.
• Strong knowledge of ASP.NET Core.
• Experience building scalable backend applications.
• Solid understanding of microservice architecture.
• Experience with SQL Server or PostgreSQL.
• Experience with Entity Framework Core.
• Understanding of asynchronous programming.
• Experience with Docker.
• Familiarity with Kubernetes is a plus.
• Experience with cloud platforms (Azure or AWS).
• Knowledge of REST API design principles.
• Upper-Intermediate English or higher.

Nice to Have

• Experience with event-driven architecture.
• Knowledge of Redis, RabbitMQ, or Kafka.
• Experience with CI/CD pipelines.
• Familiarity with Web3 or blockchain technologies.

What We Offer

• Fully remote work from anywhere in Europe.
• Long-term B2B cooperation.
• Competitive salary paid in EUR or USD.
• Annual salary reviews.
• Performance-based bonus program.
• Annual company bonus.
• 25 paid vacation days.
• Paid sick leave.
• Flexible working hours.
• Home office budget.
• Laptop or equipment allowance.
• Learning & development budget for courses, books, and conferences.
• English language lessons.
• Private health insurance.
• Mental health support program.
• Sports and wellness compensation.
• Team-building activities and international company retreats.
• Opportunity to work with modern technologies in AI, Web3, and cloud infrastructure.
• Clear career growth opportunities in a rapidly expanding international product company.

Why Join Phoenix Games?

You'll work on innovative products using modern technologies, free from legacy code and excessive bureaucracy. We encourage engineers to take ownership, contribute ideas, and influence technical decisions while building products for a global audience.

If you're passionate about backend development and want to be part of a fast-growing international team, we'd love to hear from you.

We are looking for a Full-Stack Engineer (C# / .NET + React) with a strong focus on backend development to join a development team focused on building and maintaining integrations with multiple third-party platforms and services. You will primarily contribute to backend development, API integrations, microservices, and existing product functionality while occasionally supporting frontend tasks in React. 

About the Project

The project operates in the hospitality industry and is related to hotel management. The development team works on integrations with multiple third-party platforms and services. 

About the Company

GroupBWT is a consulting firm specializing in web scraping and custom data platforms, with 16+ years of experience delivering custom solutions for international clients. We are also an AWS Accredited Partner, confirming the high technical and architectural standards of our solutions.

Requirements:

• 2+ years of commercial experience with C# / .NET development 
• Strong knowledge of C# and .NET
• Experience developing and maintaining REST APIs
• Hands-on experience with API integrations and third-party services
• Experience working with microservice architecture
• Experience integrating with webhook-based systems
• Ability to work with existing (legacy / brownfield) codebases
• Basic hands-on experience with React, including maintaining existing UI components and implementing simple frontend functionality
• Experience working with AI-assisted development tools for code generation, code review, planning, testing, and documentation
• Ability to work independently, quickly investigate technical issues, ask the right questions, and proactively escalate blockers
• English level: Upper-Intermediate or higher 

Will Be a Plus:

• Experience working with OTA integrations (Booking.com, Airbnb, Expedia, Vrbo)
• Experience integrating third-party business platforms and external services
• Experience working with pricing and revenue management integrations
• Experience working with messaging or communication platform integrations
• Experience supporting and extending legacy enterprise applications

Responsibilities:

• Develop, extend, and maintain backend functionality using C# / .NET
• Build and maintain integrations with third-party APIs and webhook-based services
• Develop and support REST services and microservice-based solutions
• Maintain and improve existing backend functionality within a brownfield codebase
• Implement and maintain integrations with external partners and platforms
• Occasionally contribute to existing React components and simple frontend functionality
• Collaborate with team leads and other engineers to deliver technical solutions
• Troubleshoot integration issues and investigate unexpected API behavior
• Leverage AI tools to improve development workflow, code quality, testing, and documentation
• Work independently while proactively communicating risks, blockers, and technical questions

What We Offer:

• Collaboration with technical experts - You’ll work alongside highly skilled technical specialists who will provide the necessary support to achieve your goals
• Opportunities for professional and financial growth- we offer a clear path for development in a leading niche market, helping you grow both professionally and financially
• Cooperation with a company trusted by renowned clients - work in a company with extensive experience, a diverse portfolio of cases, and a client base that includes well-known and respected brands
• Corporate training and development - access to internal educational programs, training sessions, and workshops to enhance professional skills.
• Corporate discounts and partner benefits - special offers and discounts for employees and their relatives at one of the largest gym networks in Ukraine, as well as from other partner companies.
• Educational support - reimbursement or partial coverage of expenses for courses, training, and certifications for professional development
• 21 paid vacation calendar days, 15 paid sick leaves and additional days off - enjoy a well-balanced work-life schedule with paid vacation, sick leave, and extra days off when needed.

About SYNTECH Digital

We are an official Creatio partner and product company. SYNTECH builds and maintains 17+ Marketplace apps (Kanban, Gantt, Calendar, Pivot, Map, HRM, Manufacturing, and more) and delivers complex CRM/ERP implementations for clients across logistics, manufacturing, finance, and HR industries.

Responsibilities
    •    Develop and customize solutions on the Creatio platform: C# schemas, business processes, event listeners, scheduled jobs, and server-side scripts
    •    Build WCF / Web API services and integrations with external systems (Google APIs, payment gateways, ERP platforms)
    •    Contribute to SYNTECH’s proprietary Marketplace component suite (Angular Freedom UI components, back-end services)
    •    Write efficient SQL queries for PostgreSQL and MS SQL; optimize performance on large datasets
    •    Participate in technical pre-sales: architecture design, effort estimation, client communication
    •    Conduct code reviews, maintain technical documentation, support live projects
    •    Collaborate with the team via Git and CI/CD workflows

Requirements
    •    2+ years of commercial experience with C# / .NET (ASP.NET, Web API, WCF)
    •    Hands-on knowledge of the Creatio platform: EntitySchemaQuery, schemas, packages, Process Designer, Freedom UI
    •    Confident JavaScript / TypeScript (Angular or Backbone.js / Ext JS)
    •    Experience with SQL — PostgreSQL or MS SQL
    •    Solid understanding of SOLID, DRY, KISS principles
    •    Proficiency with Git
    •    English — B1+
Nice to Have
    •    Angular Freedom UI component development for Creatio
    •    Experience integrating Google Drive, payment APIs, ERP
    •    Familiarity with Creatio Marketplace package publishing process
    •    SignalR / real-time apps, Docker / container deployments

We Offer
    •    Competitive salary discussed individually
    •    Work on real products sold on Creatio Marketplace — not just client customizations
    •    Growth path to Tech Lead / Solution Architect
    •    Flexible 5-day schedule, fully remote
    •    24 days paid vacation
    •    Direct participation in pre-sales and product architecture decisions

• Дотримання кращих практик написання коду (SOLID, DRY, KISS)
• Пошук шляху реалізації поставлених задач в рамках узгодженого солушн архітектором стеку
• Участь у командному плануванні, оцінці задач, мітингах, рев’ю коду.
• Дотримання термінів реалізації задач
• 3-я лінія підтримки розробленого функціоналу в рамках продуктів стріму
• Проєктування REST API, інтеграція з внутрішніми системами
• Робота з базами даних ( MS SQL), написання ефективних запитів
• Розширення стандартного функціоналу через кастомну розробку
• Розробка клієнтської логіки
• Налаштування business rules, custom UI components
• Ведення технічної документації та unit/інтеграційного тестування
• Підтримка та рефакторинг існуючого коду

• C#, .NET Framework (Terrasoft.Core), EntitySchemaQuery
• JavaScript / ExtJS (classic UI)
• Робота з Web Services, Scheduled Jobs, Custom Services
• Знання Freedom UI
• Tools: SVN, Git
• SQL

• Freedom UI
• Rabbit MQ
• Dotpeek and other decompilers tools

• офіційне працевлаштування;
• графік роботи: понеділок — п’ятниця, з 09:00 по 18:00;
• ринкова оплата праці;
• медичне страхування;
• можливість подальшого кар'єрного зростання банку;
• корпоративне навчання (тренінги, вебінари, електронні курси та ін.)
• участь у заходах та соціальних ініціативах Банку;
• 28 календарних днів відпустки;
• додаткові оплачувані вихідні (12 днів на рік).

Looking to take your .NET expertise to the next level while working on high-impact FinTech solutions? This role offers the chance to contribute to scalable, cloud-native systems that empower thousands of businesses worldwide.
We’re seeking a Senior .NET Developer to join our team, collaborating with talented engineers, product managers, and designers to deliver innovative financial technology.
At Sigma Software, we work with some of the most forward-thinking companies in the industry. This opportunity will let you grow professionally while making a tangible difference in a fast-paced, regulated environment.

CUSTOMER

Our customer is a leading FinTech company providing embedded financing solutions for platforms and marketplaces. Their mission is to enable businesses to offer flexible credit products to customers, helping SMEs access funding quickly and efficiently.
The customer is recognized for innovation in embedded finance, serving thousands of businesses globally and partnering with major platforms. They operate in a regulated environment with a strong focus on scalability, performance, and security.

PROJECT

The project involves enhancing and expanding customer’s embedded finance platform, which integrates directly into partner services to deliver fast, flexible funding to SMEs. You’ll work on a modern tech stack, building features that improve customer and partner experiences while ensuring reliability in production.
Key Technologies: C#, .NET Core, Angular 18, AWS, CI/CD, Docker/Kubernetes, Kafka/RabbitMQ, Datadog, relational & NoSQL databases

Job Description

• Design, build, and deliver features and projects across C#, .NET Core, and Angular stack
• Write clean, maintainable, and well-tested code (unit/integration/e2e)
• Take ownership of features from requirements breakdown to deployment
• Deploy and monitor services in AWS cloud-native environments
• Handle production issues and incidents with accountability
• Collaborate with Product, Design, and Engineering teams in Agile practices
• Contribute to continuous improvement of systems and processes

Qualifications

• 5+ years of experience in software development with strong OOP and system design skills
• Solid hands-on experience with .NET (C#) and Angular
• Understanding of software testing concepts and practices
• Expertise in cloud-native and DevOps practices (CI/CD, automation, monitoring)
• Experience with relational and NoSQL databases
• Knowledge of non-functional requirements (performance, security, availability)
• Proven experience in FinTech, payments, banking, or regulated financial environments
• Upper-Intermediate English level or higher

WILL BE A PLUS

• Experience with Docker/Kubernetes
• Familiarity with event-driven architectures (Kafka, RabbitMQ)
• Proficiency with observability tools (Datadog or similar)
• Knowledge of domain-driven design (DDD) and complex domain modeling

PERSONAL PROFILE

• Growth mindset, curiosity, and proactivity
• Strong problem-solving skills balancing complexity and simplicity
• Feedback-oriented, open to giving and receiving constructive input
• Ownership & accountability in delivering commitments
• Team player with strong collaboration skills
• Adaptability to changing priorities
• Excellent communication skills across disciplines

About Us

Bamboo Card is the Middle East’s leading Digital Prepaid Products Distributor and Rewards Fulfilment agency. Committed to trust, dependability, and excellence, we have been revolutionizing global loyalty programs since 2018. Our comprehensive portfolio includes eGift Cards, Prepaid Cards, and Top-Ups, delivering flexible solutions for diverse digital prepaid needs. Through strategic services such as a robust API and an advanced Client Portal, we simplify and enhance the seamless delivery of rewards at scale.

Role Overview

We are seeking an experienced Full Stack Developer to join our growing team at Bamboo Card. The ideal candidate will have strong hands-on experience in full stack development, primarily using .NET / C#, AWS cloud services, and ReactJS. You will be responsible for designing, developing, and maintaining scalable backend services as well as modern, responsive frontend applications.

This role requires a strong focus on performance, scalability, security, clean architecture, and code quality, while working closely with cross-functional teams to deliver high-quality software solutions.

Job Requirements

Technical Skills

• .NET / C# Development:
  Extensive experience in building robust, scalable applications using .NET and C#.
• Frontend Development (ReactJS):
  Strong experience in developing modern, responsive user interfaces using ReactJS, including state management, reusable components, and API integration.
• AWS Cloud Expertise:
  Solid hands-on experience with AWS services including (but not limited to):
  Lambda, S3, RDS, DynamoDB, SNS, SQS, SAM, and other relevant AWS services.
• API Development:
  Proven experience designing, building, and consuming RESTful APIs.
• Database Management:
  Proficient in SQL and NoSQL databases, with experience in data modeling, performance tuning, and optimization.
• CI/CD Pipelines:
  Experience implementing and maintaining CI/CD pipelines to enable automated, reliable deployments.
• Version Control:
  Proficient with Git and modern version control workflows.
• Architecture:
  Experience working with microservices and serverless architectures, designing scalable and maintainable systems.

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 1 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.

Become a part of world-class engineering team and boost your expertise with Akvelon

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

We’re looking for a .NET Intern to join our team on a U.S. project. If you have at least 3 months of experience with .NET, are communicative, proactive — we’d love to hear from you.

Key Responsibilities

• Weekly calls with your technical mentor
• Enchance your .NET, Azure and SQL skillset with us

Requirements

• SRE and Troubleshooting - theory, basic knowledge
• .NET/C# - theory (till async, multithreading, GC, DI) + coding task
• Azure DevOps CI/CD: Pipelines, ARM Templates
• Azure KeyVault, Azure BlobStorage, Azure VM, Azure SQL, App Service, Azure Functions, Networking
• Git, Nuget
• PowerShell - commands, modules, scripts
• Integration/Unit Tests development experience - theory

Nice to Have

• MS Build
• Azure Active Directory
• Azure Service Bus, Service Bus, Event Grid