.NET Migration Engineer Job at Orbis Consultants (London)

Senior .NET Migration Engineer

Critical Hedge Fund Migration – Senior .NET Migration Engineer. I’m working with...

Location

United Kingdom , London

Salary:

250000.00 GBP / Year

Orbis Consultants

Expiration Date

Until further notice

Requirements

Deep experience with both .NET Framework and .NET Core, and demonstrable experience migrating between the two
Strong hands-on knowledge of Entity Framework, including the differences and pitfalls when porting to .NET Core
Practical experience with ASP.NET in legacy and modern contexts
Solid skills with Kubernetes, Docker, and Helm – ideally having deployed and operated .NET applications in containerised environments

Job Responsibility

Taking technical ownership of major parts of the migration from .NET Framework on Windows to .NET Core running on Kubernetes
Refactoring, rewriting, and modernising legacy codebases for performance, reliability and maintainability
Supporting containerisation efforts with Docker and Helm, targeting deployment into Kubernetes
Working within the client’s CI/CD environment (TeamCity, Octopus Deploy, GitHub Actions) to support seamless integration of new components
Advising on architectural best practices during the migration process, and helping mentor internal team members where needed

Fulltime

Programmer Analyst

Location

United States , Frisco

Salary:

Not provided

InfoSmart Systems

Expiration Date

Until further notice

Requirements

Bachelor in Engineering with 2
Prepare requirement and detailed design documents
Experience with migrating applications from .Net 1.1 to .Net 3.5
Design and development using C#, ASP.Net, VB.Net
Involve in deploying the application, System Integration Test, User Acceptance Test with client
Involve in creating database tables, writing stored procedures and constraints using SQL Server 2008

Senior C# Developer – Pricing Engines

Join a fast-paced trading tech environment where your C# code powers real-time p...

Location

Netherlands , Amsterdam

Salary:

Not provided

Levy Professionals

Expiration Date

Until further notice

Requirements

Extensive experience with C#/.NET in complex back-end or trading systems
Proven low-latency, high-throughput engineering expertise (ideally in pricing or market data)
Deep knowledge of concurrency, async IO, performance tuning, profiling, TCP/binary protocols
Strong understanding of financial markets: FX spot/forwards/swaps, bonds, IR swaps, curves, PV/DV01
Experience working with front-office stakeholders
Clear communication and the ability to simplify complex concepts

Job Responsibility

Build high-performance C# services on .NET Core for real-time pricing and risk
Refactor and migrate existing C# and Java components into a unified .NET Core platform
Optimise multithreading, memory, GC and network performance on bare-metal servers
Implement curve handling and curve location for FX, bonds and rates
Integrate with trading tools, market data feeds and external pricing/execution platforms
Ensure safe, efficient price distribution via internal messaging
Contribute to automated testing, CI/CD and observability in a 24/7 trading setup
Work in an agile DevOps team with shared support responsibilities

Senior .Net Engineer

N-iX is looking for a Senior .Net Engineer for one of our clients. As a .NET Eng...

Location

Ukraine

Salary:

Not provided

N-iX

Expiration Date

Until further notice

Requirements

5+ years of C# and .NET backend development with strong knowledge of ASP.NET and ASP.NET Core
Proven, hands-on experience migrating .NET Framework applications to .NET Core / .NET 8 in production
Solid experience with Entity Framework Core
Solid knowledge of DDD, CQRS, and repository patterns in layered .NET architectures
Familiarity with Docker multi-stage builds and Linux container fundamentals for .NET applications
Proficient with xUnit and Moq for unit testing
comfortable with container-wired test setups
Experience with AWS ECS / Fargate and ECR for deploying containerized .NET applications
Familiarity with MassTransit and RabbitMQ or Amazon MQ for event-driven messaging
Experience with Hangfire or similar background job processing frameworks

Job Responsibility

Migrate a .NET Framework 4.8 application to .NET 8
Migrate a large database-first Entity Framework 6 model to EF Core 8 across multiple bounded contexts, one domain at a time
Identify and replace Windows-only libraries and assembly references that prevent building and running on Linux
Establish unit test coverage measurement and enforce quality gates as part of the migration pipeline
Collaborate with the DevOps engineer on Dockerfile authoring, environment configuration, and secrets injection
Participate in Agile/SCRUM processes, conduct code reviews, and document migration decisions

What 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

Fulltime

Lead .Net Engineer

As a .NET Engineer you will drive the technical modernization of a large-scale s...

Location

Salary:

Not provided

N-iX

Expiration Date

Until further notice

Requirements

5+ years of C# and .NET backend development with strong knowledge of ASP.NET and ASP.NET Core
Proven, hands-on experience migrating .NET Framework applications to .NET Core / .NET 10 in production
Solid experience with Entity Framework Core
Solid knowledge of DDD, CQRS, and repository patterns in layered .NET architectures
Familiarity with Docker multi-stage builds and Linux container fundamentals for .NET applications
Proficient with xUnit and Moq for unit testing
comfortable with container-wired test setups
Experience with AWS ECS / Fargate and ECR for deploying containerized .NET applications
Familiarity with MassTransit and RabbitMQ or Amazon MQ for event-driven messaging
Experience with Hangfire or similar background job processing frameworks

Job Responsibility

Migrate a .NET Framework 4.8 application to .NET 10
Migrate a large database-first Entity Framework 6 model to EF Core 8 across multiple bounded contexts, one domain at a time
Identify and replace Windows-only libraries and assembly references that prevent building and running on Linux
Establish unit test coverage measurement and enforce quality gates as part of the migration pipeline
Collaborate with the DevOps engineer on Dockerfile authoring, environment configuration, and secrets injection
Participate in Agile/SCRUM processes, conduct code reviews, and document migration decisions

What 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

Middle Python Engineer

Our client is providing cloud-based software solutions for the professional and ...

Location

Poland; Croatia

Salary:

Not provided

ELEKS

Expiration Date

Until further notice

Requirements

3+ years of professional experience in Python backend development
Practical experience with LLMs / AI integrations (OpenAI, Azure OpenAI, LangChain, Hugging Face, or similar)
Hands-on experience with Azure Cloud in preferred
Ability to read and understand .NET (C#) codebase (no coding required)
Upper-Intermediate English level or higher

Job Responsibility

Design, develop, and maintain Python-based components supporting LLM functionalities
Integrate LLMs and AI services into the existing .NET-based product
Work with Azure services to deploy and scale AI-driven solutions
Contribute to CI/CD and DevOps processes (migration from Jenkins to Azure DevOps)
Collaborate with cross-functional teams to ensure smooth integration and delivery
Participate in architecture and design discussions, proposing improvements for performance and scalability
Support and maintain existing chatbot functionality based on Python

What we offer

Close cooperation with a customer
Challenging tasks
Competence development
Team of professionals
Dynamic environment with low level of bureaucracy

Cloud .Net Engineer

We are looking for a skilled Cloud .NET Engineer to support a cloud migration pr...

Location

India

Salary:

Not provided

Augusta Hitech Soft Solutions

Expiration Date

Until further notice

Requirements

Any Degree
8+ Years of experience
Strong experience in .NET / .NET Core development
Hands-on experience with cloud platforms such as Azure and AWS
Understanding of cloud migration strategies and best practices
Experience with REST APIs, microservices architecture, and cloud-based deployments

Job Responsibility

Support the migration of applications from Azure to AWS cloud environment
Develop and maintain applications using .NET technologies
Collaborate with cloud and DevOps teams to ensure smooth migration and deployment
Optimize application performance, scalability, and security in AWS
Troubleshoot and resolve technical issues during migration and post-deployment

Lead Data Migration Engineer with .NET

You will lead the data migration workstream for a compliance-critical public-sec...

Location

Poland , Wrocław; Bielsko-Biała

Salary:

145.00 - 170.00 PLN / Hour

Cshark

Expiration Date

Until further notice

Requirements

Proven experience with large-scale data migration projects: ETL, transformation pipelines, cutover planning
Hands-on experience with event sourcing (relational-to-event model transformation): decomposing relational data into domain events with deterministic ordering
Experience with legacy database analysis: reverse-engineering un(der)documented schemas, understanding data semantics and relationships without complete documentation
Experience with data quality handling: nulls, duplicates, inconsistent formats, missing fields, validation rules
Familiarity with document/file migration at scale: metadata extraction, filename parsing, large-volume validation and dealing with corrupted or ambiguous data or metadata
Strong knowledge of backend design patterns (dependency injection, repository, mediator, factory)
English language skills (B2+ minimum): required for clear communication with stakeholders and documentation of architectural decisions
Hands-on experience with CQRS, Domain-Driven Design, and Event Sourcing
Ability to design and implement aggregates, entities, value objects, and bounded contexts
Skilled in building systems that enforce clear separation of concerns, scalability, and maintainability

Job Responsibility

Lead the data migration workstream for a compliance-critical public-sector registry system
Converting a fully normalised relational database into an event-sourced architecture, migrating large volumes of document files, and ensuring every data related decision is documented and approved by the client

What we offer

100% remote work
Flexible hours
International projects
Business english lessons
Participation in charity actions
In-house technology workshops

Fulltime

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.NET Migration Engineer

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