Jobs C# / .NET

Screening requirements (please read first):

• Non-negotiable: hands-on experience building or supporting production back-end systems for process mining or task mining and ML/AI-driven workflow analysis (pipelines, workflow reconstruction, model-serving integration, evaluation/monitoring, scalable APIs).
• Required: a 2–5 minute intro video link in your resume or via the platform (smartphone recording is fine). Applications without the video may not be reviewed.

Company overview:
 

Graphio.ai stops revenue loss before it happens by detecting broken handoffs between teams.
 

We analyze API-enabled metadata from your existing systems to automatically identify when Sales, Customer Success, Legal, Finance, Product, and Operations are misaligned - before deals stall, renewals fail, or contracts slip.
 

No workflow changes. Fast rollout in less than 2 days.

AI learns what successful execution looks like in your company and alerts you to dangerous deviations in real time.

We’ve built and scaled before: the team behind Graphio.ai previously built upSWOT, a B2B platform adopted by hundreds of financial institutions, which was later acquired by Uptiq.  We’re applying those lessons in execution, delivery, and scale to Graphio.ai.

Supported by senior leaders from Experian, Mastercard, Lattice, BambooHR, Altrata, SAP, JackHenry, FIS, Pfizer, Workday, Customertimes, and more (graphio.ai/investors).

Position Overview:

We are looking for a Senior AI Backend Engineer to design, build, and scale the core systems behind Graphio.ai’s workflow intelligence platform.

Graphio.ai connects to customer systems, ingests large volumes of event-based metadata, reconstructs real business workflows, and applies machine learning to discover ideal process paths (golden paths), detect anomalies, and surface insights.

This is a hands-on senior role for someone who is equally strong in:

• backend & distributed systems
• data-intensive architectures
• applied machine learning
• experimentation & research
• production-grade reliability

Our core stack: Python, C# (.NET Core / ASP.NET Core), MongoDB, ClickHouse, RabbitMQ.

We are looking for an engineer who deeply understands system architecture, can reason about data at scale, and is comfortable building, training, experimenting with, and deploying ML models into production.

What You Will Do:

Backend & Systems

• Design and build backend services and APIs using Python and C# (.NET Core / ASP.NET Core).
• Architect scalable, fault-tolerant, and observable systems for data ingestion, processing, and analytics.
• Build event-driven and asynchronous pipelines using RabbitMQ.
• Design data models and storage strategies using MongoDB and ClickHouse.
• Own system performance, reliability, and scalability.
• Implement strong observability: logging, metrics, tracing, alerting.
• Troubleshoot production issues, perform root cause analysis, and implement long-term fixes.

Data & Machine Learning

• Design and implement end-to-end ML pipelines: ingestion → feature engineering → training → evaluation → deployment.
• Train and iterate on ML models for workflow discovery, anomaly detection, and pattern recognition.
• Perform feature engineering on large-scale event and metadata streams.
• Run experiments, test hypotheses, and evaluate models using offline and online metrics.
• Conduct applied research: explore new modeling approaches, algorithms, and representations.
• Build batch and near-real-time inference pipelines.
• Monitor model performance, drift, and degradation in production.
• Implement retraining strategies and versioning.

Architecture & Product Thinking

• Define service boundaries, data contracts, schemas, and interfaces.
• Design for multi-tenancy, security, and compliance.
• Make pragmatic architectural decisions balancing speed, quality, and scale.
• Work closely with Product, ML, and Engineering to ship in small, measurable increments.
• Influence the technical direction of the platform.

Required Qualifications:

• 6+ years of experience in backend or systems engineering.
• Strong experience with Python and C# (.NET Core / ASP.NET Core).
• Experience building data-intensive systems (event ingestion, pipelines, analytics).
• Hands-on experience with machine learning:
  • training models
  • feature engineering
  • experimentation
  • evaluation
• Strong understanding of production ML systems (not just notebooks).
• Experience with MongoDB, ClickHouse, or similar databases.
• Experience with message brokers (RabbitMQ or similar).
• Strong understanding of distributed systems concepts:
  • idempotency
  • retries
  • backpressure
  • eventual consistency
  • failure modes
• Strong analytical and problem-solving skills.
• High ownership mindset.

Nice to Have:

• Experience with workflow analytics, process mining, or event-based systems.
• Experience with time-series or behavioral modeling.
• Experience with large-scale experimentation platforms.
• Familiarity with MLOps practices.
• Experience with cost optimization for data & ML workloads.
• Experience with Kubernetes and cloud infrastructure.

Why This Role Is Special:

This is not a typical backend role.
This is not a typical ML role.

You will be building a real AI system, not demos:

• messy real-world data
• real customers
• real scale
• real constraints
• real impact

If you like working at the intersection of systems, data, and intelligence, this role is for you.

What we offer:

• A senior role owning core backend systems behind an AI/ML product with clear, measurable customer impact.
• Direct collaboration with Machine Learning Engineers to bring models into production with reliability and speed.
• Real-world data engineering problems: metadata ingestion, workflow reconstruction, and scalable reporting/alerting.
• Fast iteration, low bureaucracy, and high trust - you ship and see results quickly.
• Remote-friendly team with a simple setup and strong standards.
• Competitive compensation and room to grow as the company scales.

Company Operating Requirements:

At Graphio.ai we run a high-ownership, mission-driven team with clear operating rules. Please read these carefully before applying:

• LinkedIn profile is required (company policy). Employees are required to keep a current LinkedIn profile that shows their Graphio.ai position and is linked to the official Graphio.ai company page (company logo visible on the profile). Profile standards are provided during onboarding.
• Synchronized team vacations. The team takes coordinated time off four times per year to keep planning aligned and reduce context switching. Dates are announced in advance.
• Startup constraints. Vacation timing may be restricted during critical company periods. We plan time off as a team and communicate constraints early.
• Relocation readiness. Team members may reside in Ukraine, but must be prepared to relocate with their families to Europe or the United States if the company requests it and it becomes legally possible. Any relocation would be discussed in advance.
• Non-standard schedule. The role requires flexibility to collaborate across time zones. This may occasionally include early/late meetings depending on customer and team needs.
• Zero slow offboarding. We run lean and fast. When the fit isn’t there, we act quickly: employment may be ended within a day and access is removed immediately.

Application requirement: short intro video (required):

Please include a short self-introduction video (2–5 minutes). You can add the link directly to your resume or submit it through the hiring platform in any available way (YouTube, Loom, Google Drive, or similar).

• No need for a polished production, a simple smartphone recording is perfectly fine.
• This does not replace live conversations, it only helps us speed up the first screening and understand your communication style and motivation.
• In the video, please cover:
  • Who you are and 2–3 measurable outcomes you delivered in recent roles
  • Why you are applying for this role at Graphio.ai
  • Why you are leaving or have left your previous role
  • Your view on how a high-ownership startup team should operate (pace, ownership, communication, and work-life balance expectations)
• Applications without the video may not be reviewed.

Final note:

Graphio.ai is not a 9-to-5 corporate environment. We move fast, operate with high ownership, and expect proactive execution without micromanagement. Graphio.ai is a strong fit for people who actively seek challenges for personal growth - especially those who want to build their own company one day and see this as a place to learn how high-performing startups execute.

Responsibilities

• Design, develop, and maintain complex applications on the Creatio platform
• Implement and extend business logic using Creatio configuration tools and server-side development
• Develop backend logic using C# and SQL
• Build integrations with enterprise systems via REST / OData APIs and web services
• Implement data models, workflows, and UI components
• Ensure solution performance, scalability, and maintainability
• Review code and contribute to development best practices
• Participate in architecture discussions and technical decision making
• Collaborate with consultants and project leads to translate business requirements into technical solutions
   

Requirements

• 5+ years of experience with Creatio development
• Strong knowledge of Creatio architecture, configuration, and customization
• Strong experience with C#, JavaScript, SQL
• Experience integrating enterprise systems using REST or OData APIs
• Experience with relational databases (MS SQL Server, PostgreSQL)
• Experience with version control systems (Git)
• Understanding of integration patterns and data synchronization
• Experience with CI/CD pipelines and deployment automation
• Ability to design maintainable and scalable solutions
• English B2 or higher. German will be a plus

We are looking for a Middle .NET Developer to join a long-term full-time engagement. In this role, you will work on the development and enhancement of a large-scale enterprise platform in the logistics and freight management domain. The system has been successfully running in production for over 20 years and continues to evolve with new capabilities, integrations, and optimization tools.

You will collaborate with a distributed engineering team to improve existing functionality, build new features, and contribute to the scalability and reliability of the platform.

Responsibilities:
- Develop and maintain backend functionality using .NET;
- Build and integrate APIs with internal and external systems;
- Contribute to the evolution and optimization of the existing platform;
- Work with Azure cloud infrastructure;
- Support and improve CI/CD pipelines;
- Collaborate closely with developers, QA engineers, and product stakeholders.
 

Tech stack:
- .NET;
- Azure Cloud;
- Azure SQL Database;
- JSON-based APIs;
- CI/CD pipelines (Azure DevOps or GitHub Actions).

Requirements:
- 2–3+ years of commercial experience with .NET;
- At least 1 year of hands-on experience with Azure;
- Experience working with REST / JSON APIs;
- Understanding of CI/CD processes;
- Experience with relational databases (Azure SQL or similar);
- English level: Upper-Intermediate or higher.

We offer:
- Flat hierarchies and short decision paths, openness to new ideas
- Flexible working schedule
- Reimbursement for professional certification
- Annual paid vacation — 18 working days
- Paid sick leave — 10 working days
- English classes
- IT club card — applicable to the Lviv region
- Sport classes compensation
- Comfortable office locations or remote work.

Project Description:

Project is focused around rewriting hedgefund tax reporting tool

Responsibilities:

- Code, test and deploy
- Communicating with other teams and stakeholders
- Code reviews
- Configuration management
- Database design and optimization

Mandatory Skills Description:

- 5 years of experience
- Strong .net and SQL
- Experience of React

Nice-to-Have Skills Description:

- Exposures to Jekins/GitHub,

Languages:

English: B2 Upper Intermediate

GR8 Tech builds B2B iGaming platforms for operators who play to lead.

We deliver full-cycle, high-impact tech designed to scale — from seamless integrations and expert consulting to long-term operational support. Our platform powers millions of active players and drives real business growth. Call it what it is: the iGaming Platform for Champions.

With 1000+ GR8 people across locations and time zones, we don’t just ship technology — we help operators build success stories across brands, markets, and geos.
 

Our ambition drives us. Our people make it real.

If you’re a challenger in spirit and a champion in action — join us.

Why this role exists

This role exists to design, develop, and maintain .NET applications for CRM, ensuring software quality, resilience, and alignment with stakeholder requirements.
 

What you’ll drive:

Application development & maintenance

• Design, develop, and maintain .NET applications, ensuring high-quality software solutions.
• Implement observability and monitoring through logging and instrumentation.

Collaboration & mentoring

• Work independently or in a team, adhering to coding standards and best practices.
• Mentor junior developers and participate in technical discussions.

Process improvement & system resilience

• Improve software development processes and ensure system resilience.
• Elicit, analyze, and document software requirements from stakeholders.

What makes you a GR8 fit:

Must-have

• 2+ years of relevant experience.
• Understanding microservice and monolith architectures, their advantages, and drawbacks.
• Ability to design event-driven systems and resilient architectures.
• Familiarity with architectural patterns, resilience strategies, and designing for failure.
• Strong analytical skills in gathering and documenting software requirements.
• Understanding of functional and non-functional requirements.
• Knowledge of connection pooling, rate-limiter, circuit breaker, and bulkhead patterns.
• Understanding relational and non-relational databases (key-value and object-oriented).
• Proficiency in writing SQL queries and designing relational database models.
• Knowledge of normalization/de-normalization strategies and primary/foreign key relationships.
• Familiarity with database security best practices (access controls, encryption, SQL injection prevention).
• C# programming: strong knowledge of object-oriented design, LINQ, asynchronous programming, dependency injection, and .NET framework libraries.
• Web API development: proficiency in ASP.NET Core for architecting scalable RESTful services, performance optimization, and cloud integrations.
• Database expertise: advanced SQL optimization, schema design, performance tuning, indexing strategies, and PostgreSQL.
• Message brokers: experience with Kafka, including architecture, producer/consumer APIs, and stream processing in microservices.
• Debugging & optimization: advanced skills in profiling, identifying, and resolving performance bottlenecks.
• Unit testing & TDD: experience with xUnit and test-driven development to ensure code quality.
• Microservices architecture: proficiency in ASP.NET Core, Docker, Kubernetes, and applying patterns like service discovery, circuit breakers, event sourcing, and CQRS.
• Observability & monitoring: implementing logging, instrumentation, and monitoring tools like Serilog for system health and troubleshooting.
   

Why you’ll love working here: 

Benefits Cafeteria — annual budget you allocate to:

Sports • Medical • Mental health • Home office • Languages.

Work-life & support

• Paid maternity/paternity leave + monthly childcare allowance.
• 20+ vacation days, unlimited sick leave, emergency time off.
• Remote-first + tech support + coworking compensation.
• Team events (online/offline/offsite).
• Learning culture with internal courses + growth programs.
   

Our culture & core values:

GR8 Tech culture is how we win — through trust, ownership, and a growth mindset. We move fast, stay curious, and keep it real, with open feedback, room to experiment, and a team that’s got your back.

FUELLED BY TRUST: we’re open, honest, and have each other’s backs.

OWN YOUR GAME: we take initiative and own what we do.

ACCELER8: we move fast, focus smart, and keep it simple.

CHALLENGE ACCEPTED: we grow through challenges and stay curious.

BULLETPROOF: we’re resilient, ready, and always have a plan.

The client is a worldwide company. The project is a cloud-based application. It allows the tracking of inventory traceability innovatively.

Technologies
Azure, Net Core, Azure DevOps, SQL Server / and Entity Framework

Requirements:

• Degree in Software Engineering, or a related field
• A minimum of 6 years experience in delivering and supporting enterprise grade applications, preferably in the manufacturing industry
• Strong knowledge of cloud computing and custom software development processes
• Proficiency in Microsoft Techology Stack like Azure, Net Core, Azure DevOps, SQL Server / and Entity Framework
• Excellent problem-solving and troubleshooting skills
• Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams
• Attention to detail and a commitment to delivering high-quality digital solutions

Job responsibilities:

• Responsible for design and implementation of enterprise applications in the manufacturing domain
• Develop clean, efficient, and maintainable code
• Establish and foster good practices among the team
• Ensure seamless integration, efficient operations, and robust security across all system components
• Create and maintain documentation and collaborate with the technical analysts defining operational procedures
• Lead and mentor software developers and foster a collaborative environment within the team
• Think ahead and anticipate problems, issues, and solutions to improve operations

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.

Requirements

• 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

Executive Summary

You will design, develop, and maintain backend and system-level components aligned with approved enterprise architecture, security standards, and governance frameworks. You’ll deliver features that meet functional and non-functional requirements, follow secure coding practices, and integrate cleanly across our ecosystem: Azure, APIs, databases, and CI/CD pipelines.

You will operate within defined architectural boundaries and collaborate with Architects, Product Owners, QA, DevSecOps, and business stakeholders to ship high-quality, scalable, secure solutions.  You must have a secure-by-design mindset (OWASP Top 10, RBAC, identity integration) for this role.

Role Purpose

Design, build, and maintain backend/system-level components aligned with architectural standards.

About the project 

We’re taking ownership of a large, mission-critical enterprise platform currently operated by an external vendor. The system is live and security-sensitive, and we’re modernizing it over time:

• Primary backend stack: C# / .NET (6+), with most new work on .NET 8 (LTS)
• Legacy areas exist: ASP.NET Framework 4.8 and some WCF
• Cloud: Microsoft Azure
• Data: SQL Server primarily, some MySQL
• Frontend exists (React/Angular), but this role is backend/system-level

• Documentation is mixed due to the transition; part of the work is improving clarity as you go.

   

Core Responsibilities

1) Software Development & Implementation

• Develop backend services, APIs, and system components based on approved backlog items and technical designs.
• Translate user stories and functional requirements into scalable solutions.
• Implement business logic following clean architecture and principles.
• Follow coding standards, architectural guidelines, and agreed design patterns.

2) Code Quality & Maintainability

• Write clean, maintainable, testable, well-documented code.
• Perform peer reviews and address review feedback.
• Refactor legacy code where needed to improve performance and maintainability.
• Maintain strong version control discipline: branching strategy, pull requests, merges.

3) Testing & Quality Assurance

• Develop and maintain unit tests using approved frameworks (xUnit / NUnit / MSTest).
• Use mocking frameworks appropriately (e.g., Moq/NSubstitute equivalents).
• Participate in integration testing and support QA during testing cycles.
• Meet quality gates (coverage/standards) before release.
• Support debugging, root-cause analysis, and defect resolution.

4) Security & Compliance

• Apply secure coding practices aligned with OWASP Top 10.
• Identify and mitigate vulnerabilities; follow DevSecOps quality controls.
• Correctly handle authentication, authorization, encryption, and data protection.
• Implement RBAC and identity-based access patterns (JWT/OAuth2; Entra ID integration where applicable).
• Comply with mandatory SAST scanning gates prior to release.

5) Performance & Reliability

• Optimize database queries and system performance (SQL Server/MySQL).
• Build scalable, resilient services and APIs.
• Implement logging/monitoring/exception handling best practices (e.g., Application Insights, Serilog).
• Use performance profiling techniques when needed to diagnose bottlenecks.

6) DevOps & Deployment Support

• Support CI/CD pipeline integration and delivery workflows (Azure DevOps).
• Assist in staging and production deployments under governance checkpoints.
• Participate in troubleshooting production incidents when required.

7) Cross-Functional Collaboration

• Work closely with Solution Architects, Product Owners, QA, DevSecOps, and UI/UX teams.
• Escalate technical risks and architectural concerns early and clearly.

Authority

• Own implementation decisions within approved architectural boundaries.
• Cannot redefine scope or bypass architecture/security standards.
• Must escalate technical risks, architectural concerns, or scope-impacting issues to the Architect and Product Owner.
• Cannot approve production deployment outside defined governance checkpoints.

Required Qualifications

Education

• Bachelor’s degree in Computer Science / Software Engineering / Information Systems (or similar).
• Master’s degree is a plus.

Experience

• 5+ years backend development experience.
• Proven experience delivering enterprise-grade applications.
• Experience working in Agile/Scrum environments.
• Experience with production-grade Azure-hosted applications.

Required Technical Stack

Core Technologies

• C# / .NET Core / .NET 6+ (most new work on .NET 8 LTS)
• ASP.NET Core Web API
• Entity Framework and/or other ORM tools
• SQL Server (advanced querying and performance tuning mindset)

API & Integration

• RESTful APIs
• Data exchange: JSON / XML
• API auth: JWT, OAuth2, identity integration (Entra ID)

Cloud & DevOps

• Microsoft Azure (App Services, Storage, Functions)
• Azure DevOps (CI/CD pipelines)
• Git

Security

• OWASP Top 10 awareness
• Secure coding best practices
• RBAC implementation patterns

Testing

• xUnit / NUnit / MSTest
• Mocking frameworks
• Unit + integration testing practices

Technical Awareness

• Microservices architecture basics
• Logging/monitoring tools (Application Insights, Serilog, etc.)
• Docker basics (preferred)
• CI/CD best practices
• Performance profiling techniques

Core Competencies

Technical

• Strong problem solving and analytical skills
• Code optimization and debugging expertise
• Understanding of system design principles
• Secure development mindset

Behavioral

• Accountability and ownership
• Structured thinking
• Attention to detail
• Ability to work under pressure
• Clear communication with technical and non-technical stakeholders
• Continuous learning mindset

Maturity / Level Expectations

• Lead technical modules and drive them to completion.
• Mentor less experienced engineers when needed.
• Participate in design discussions and contribute improvements.
• Review critical code changes and uphold engineering standards.

Recommended Certifications (Nice-to-have)

• AZ-204 (Azure Developer Associate)
• AZ-900 (Azure Fundamentals)
• Secure coding / OWASP training
• Microsoft security certifications (optional)

Interview Process

1. 20–30 min intro call
2. Technical interview (system design + deep .NET/API/SQL + security mindset)
3. Final discussion + offer

We’re seeking a Senior .NET Developer to join our team, collaborating with talented engineers, product managers, and designers to deliver innovative financial technology.

Customer
The 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

Requirements:

• 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

Responsibilities:

• 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

We are looking for a Senior Full-Stack Engineer to join our team, Our customer is the European online car market with over 30 million monthly users, with a market presence in 18 countries. As a Senior Fullstack Engineer, you will play a pivotal role in shaping the future of online car markets and enhancing the user experience for millions of car buyers and sellers.

Responsibilities:

• Design and develop full-stack cloud solutions from technical analysis to integration testing.
• Support existing systems
• Mentor junior engineers on design patterns, code reviews, testing practices, and scalable architecture.
• Establish documentation standards across teams.
• Conduct root cause analysis and collaborate with production support to resolve issues.
• Evaluate third-party software with business and engineering teams.
• Maintain CI/CD pipelines for applications.

Requirements:

• Canadian timezone work hours (EDT)
• 4+ years of experience with C# or .NET  for web application development
• 4+ years of experience with React for web application development
• Experience with Azure, including migration from Azure to AWS
• Expert proficiency in GenAI-driven development, GitHub Copilot/Codex integration, rapid prototyping, automated refactoring, and AI-accelerated debugging
• Deep understanding of AI agents, autonomous task orchestration, reasoning engines, tool-use integration, and multi-step workflow automation
• Mastery of iterative prompting. Chain-of-Thought (CoT), Few-Shot prompting, output validation, and prompt optimization for production-grade code
• Familiarity with Kafka, SQL, and performance optimization
• Strong understanding of event-driven and microservices architecture
• Experience, Application Insights, and responsive front-end design using React
• Background in high-traffic websites, performance tuning, and security
• Ability to communicate technical solutions effectively
• Expertise in unit, component, and integration testing
• Experience with Azure DevOps, and JIRA in distributed teams
• Solid grasp of agile methodologies, including ScrumBan/Kanban and Gitflow

Nice to Have:

• Previous DevOps Experience is a great advantage
• Experience with Java and Scala
• Experience with observability tools like Datadog
• Proficiency with  Java/Spring Boot for building APIs and web applications - nice to have
• Experience with AWS
• Previous experience with GitHub

We offer:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

We are a US-based product company (NOT outsourcing).
Long-term stable role, real feature ownership for a talented Full Stack developer

Tech stack:
Richly featured web app with varied work 
ASP.NET MVC/Core, C#
css, Razor pages, jQuery
SQL Server

💵 Salary: $2,700–$3,500 USD / month
📈 Raises for demonstrated skills and performance
🕐 4 hours daily overlap with EST (flexible)
💼 Direct hire

Requirements:
• 3+ years commercial .NET experience
• English level B2 or better
• Looking for a long-term, rewarding career — not a short project or agency work
 

🇺🇦 Ми дуже доброзичлива компанія до України.
🇺🇦 Підтримуємо талановитих українських розробників.

Project Description:

Luxoft, a DXC Technology Company, is a digital transformation services and software engineering firm providing bespoke IT solutions that drive business change. In financial services we deliver complex projects with highly skilled engineering talents. If you would like to help us build engineering solutions that make difference for our global financial industry clients, this may be your opportunity. We are looking for C# engineers with experience in scalable system designs, to join the team developing a firm-wide Risk platform for our client US multinational investment bank. Working in this project will let you:
- learn more about financial markets, products and risks.
- verify and grow your skills in global diverse team.

Responsibilities:

- Design and develop software components for Equity Risk Platform built on C# and C++
- Coordinate efforts with local developers and wider global team.
- Do scalability and performance optimizations.
- Manage the software development life cycle, from planning and prioritizing to testing and release.
- Review, test and debug team members' code
- Document development phases
- Identify and analyze user requirements.
- Selection of the most suitable solutions for creating a product
- Compliance with deadlines

Mandatory Skills Description:

- 4+ years of hands-on experience using .Net technology stack and providing high-quality solutions.
- Solid core .Net, multithreading, concurrency, design patterns.
- Experience with SQL
- Ability to apply modern security protocols and best practices.
- Good delegation and time management skills
- Problem-solving abilities
- The ability to prove their point of view to the customer.
- Excellent communication skills

Nice-to-Have Skills Description:

- C++ knowledge
- Investment Banking experience

Languages:

English: B2 Upper Intermediate

• Project Description:

  Luxoft, a DXC Technology Company, is a digital transformation services and software engineering firm providing bespoke IT solutions that drive business change. In financial services we deliver complex projects with highly skilled engineering talents. If you would like to help us build engineering solutions that make difference for our global financial industry clients, this may be your opportunity. 

   

  We are looking for C# engineers with experience in scalable system designs, to join the team developing a firm-wide Risk platform for our client US multinational investment bank. 

   

  Working in this project will let you:
  - learn more about financial markets, products and risks.
  - verify and grow your skills in global diverse team.

   

• Responsibilities:

  - Design and develop software components for Equity Risk Platform built on C# and C++
  - Coordinate efforts with local developers and wider global team.
  - Do scalability and performance optimizations.
  - Manage the software development life cycle, from planning and prioritizing to testing and release.
  - Review, test and debug team members' code
  - Document development phases
  - Identify and analyze user requirements.
  - Selection of the most suitable solutions for creating a product
  - Compliance with deadlines

   

• Mandatory Skills Description:

  - 4+ years of hands-on experience using .Net technology stack and providing high-quality solutions.
  - Solid core .Net, multithreading, concurrency, design patterns.
  - Experience with SQL
  - Ability to apply modern security protocols and best practices.
  - Good delegation and time management skills
  - Problem-solving abilities
  - The ability to prove their point of view to the customer.
  - Excellent communication skills

We're looking for an experienced Back-End Developer to join our team and help build and evolve our enterprise SaaS platform. The role is primarily back-end focused (~75%), with regular involvement in front-end work (~25%) — we value developers who can own features end-to-end. You'll work on a multi-tenant system powering audit management, training, compliance, and reporting workflows for organizations worldwide.

Back-End (primary focus):

• Language & Framework: C# / .NET 8, ASP.NET Core Web API
• Databases: MySQL 8.0+ (primary), Entity Framework Core 8.0, Dapper
• Cloud: AWS (Lambda, SQS, S3, CloudFront, Secrets Manager, MediaConvert, QuickSight)
• Caching: Redis (StackExchange.Redis)
• Messaging: AWS SQS, MediatR (CQRS)
• Architecture: Clean Architecture, microservices, multi-tenancy, background job processing
• Auth: JWT, SAML2, AWS Cognito
• API: REST with OpenAPI/NSwag, API versioning

Front-End (secondary focus):

• Framework: Angular 21+ / TypeScript
• State Management: NgRx (Store, Effects, Signals)
• Styling: Tailwind CSS, SCSS, Angular Material
• Cross-Platform: Capacitor (iOS, Android, Windows)
• Testing: Jest

Shared:

• CI/CD: GitHub Actions, Jenkins, Docker
• Monitoring & Logging: Serilog, Elasticsearch/OpenSearch, LogRocket

What You'll Do

• Design, develop, and maintain back-end services and REST APIs
• Build and optimize database queries and data access layers (EF Core, Dapper)
• Develop and support microservices for audit, training, notification, and export workflows
• Work with AWS services (Lambda, SQS, S3) for async processing and infrastructure
• Implement caching strategies with Redis for performance-critical paths
• Pick up front-end tasks — build Angular components, integrate API endpoints, fix UI bugs
• Work across the full stack when delivering end-to-end features
• Participate in code reviews, architectural discussions, and technical decision-making
• Write unit tests (xUnit, Moq on back-end; Jest on front-end) and ensure code quality
• Troubleshoot production issues using structured logging and monitoring tools

Must Have

• 4+ years of commercial experience with C# / .NET (Core/.NET 5+)
• Strong knowledge of ASP.NET Core Web API and RESTful API design
• Hands-on experience with Entity Framework Core (migrations, query optimization, global filters)
• Solid understanding of relational databases (MySQL or PostgreSQL) — query tuning, indexing, schema design
• Experience with TypeScript/JavaScript (back-end or front-end)
• Experience with message queues (SQS, RabbitMQ, or similar) and async processing patterns
• Understanding of Clean Architecture, SOLID principles, and dependency injection
• Experience writing unit tests and working with mocking frameworks
• Working knowledge of TypeScript and a modern front-end framework (Angular preferred, React/Vue considered)
• Willingness to regularly contribute to front-end code and deliver features end-to-end
• Familiarity with Git and pull request workflows

Nice to Have

• Hands-on experience with Angular (components, services, RxJS, reactive forms) or React/Next.js
• Experience with NgRx or similar state management
• Experience using AI-assisted development tools (GitHub Copilot, Claude Code, Cursor, or similar) to boost productivity
• Experience with AWS services (Lambda, S3, SQS, CloudFront, Secrets Manager)
• Knowledge of Dapper for performance-critical queries alongside EF Core
• Experience with MediatR and CQRS patterns
• Experience with Tailwind CSS and Angular Material
• Background in Python (for Lambda functions or data processing) is a plus
   
• We offer:
• Great office location 3 minutes from Pecherska metro station and great office conditions;
• Flexible working hours;
• Comfortable working place;
• Medical insurance after the trial period ending;
• Team-building activities;
• Possibility of business trips to the US;
• 24 paid vacation days per year;
• 5 paid sick leave days per year.