CrawlJobs Logo

Senior .NET Engineer

Portugal, Lisbon · Job Posted December 27, 2025
Apply Position
Job Link Share

Job Description

We are seeking for a highly skilled and experienced Senior .NET Engineer to join a Norwegian company establishing its tech hub in Lisbon. This is a great opportunity to work remotely with a very senior and talented team that emphasizes ownership, trust, respect and collaboration. Senior .NET Engineer should be passionate about delivering top-notch technical solutions, who thrives in a dynamic environment and is eager to grow with a team of experts.

Job Responsibility

  • Design, develop, and maintain full-stack .NET Core applications
  • Collaborate with cross-functional teams to deliver high-quality, scalable solutions
  • Take ownership of projects, ensuring code quality, testing, and best practices are maintained
  • Contribute to team discussions and decision-making processes with technical expertise and innovative ideas

Requirements

  • 5+ years of experience as a software developer, with a strong focus on .NET Core
  • Full-stack experience, including backend development and building user-facing applications
  • Hands-on experience with GitHub for version control and collaboration
  • Working knowledge of Blazor is a significant advantage
  • Familiarity with Azure cloud services is a strong plus
  • Prior experience with Microsoft Entra ID and general IAM (Identity and Access Management) solutions like FIM/MIM, CIAM (AADB2C) and standards like SAML, OAuth, OpenID Connect and SCIM is highly valued
  • Demonstrated contributions to GitHub or open-source projects as a showcase of skills and expertise
  • Comfortable working remotely and highly self-motivated in a distributed team setup
  • Fluent in English, with excellent communication and collaboration skills
  • Strong problem-solving ability and a passion for building secure and scalable applications
  • Open-minded, eager to learn, and adaptable to new challenges

Nice to have

  • Working knowledge of Blazor is a significant advantage
  • Familiarity with Azure cloud services is a strong plus
  • Prior experience with Microsoft Entra ID and general IAM (Identity and Access Management) solutions like FIM/MIM, CIAM (AADB2C) and standards like SAML, OAuth, OpenID Connect and SCIM is highly valued

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Senior .NET Engineer

8 matching positions

Senior .Net Engineer

Location
Location
Ukraine
Salary
Salary:
Not provided
n-ix.com Logo
N-iX
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Experience: 5+ years of professional software development experience with a strong focus on .NET
  • Programming Languages: Proficient in C# .NET
  • Database Technologies: Solid experience with relational databases (e.g., SQL Server, Postgres) and experience with NoSQL databases (e.g., MongoDB, DocumentDB)
  • Cloud Platforms: Hands on experience with Amazon Web Services (AWS) services relevant to application deployment and data storage (e.g., ECS, SQS, S3, RDS, DocumentDB)
  • Containerisation: Practical experience with Docker for containerising applications
  • Version Control: Strong understanding and experience with Git/Bitbucket
  • Software Development Lifecycle: Familiarity with Agile methodologies (Scrum, Kanban)
  • Problem Solving: Excellent analytical and problem solving skills with a keen attention to detail
  • Communication: Strong verbal and written communication skills, with the ability to articulate complex technical concepts to both technical and non-technical stakeholders
Job Responsibility
Job Responsibility
  • Design, develop, test, deploy, and maintain high quality software applications using C# .NET
  • Collaborate with product managers, business analysts, and other developers to understand requirements and translate them into technical specifications
  • Develop and optimise database interactions with both SQL and NoSQL databases, ensuring data integrity and performance
  • Implement and manage CI/CD pipelines utilising containerised applications with Docker, ensuring efficient deployment and scalability within our AWS environment
  • Participate in code reviews, ensuring adherence to coding standards, best practices, and architectural guidelines
  • Troubleshoot, debug, and upgrade existing systems to improve functionality, performance, and security
  • Contribute to the continuous improvement of our development processes, tools, and methodologies
  • Stay up to date with emerging technologies and industry trends, particularly within the .NET ecosystem, cloud computing (AWS), and containerisation
  • Document technical designs, processes, and code
What we offer
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
Read More
Arrow Right

Senior .NET Engineer

We are looking for an experienced, passionate Engineer to join our Backend Servi...
Location
Location
Argentina; Brazil; Mexico
Salary
Salary:
Not provided
Intellias
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • BS/MS in computer science or equivalent experience
  • 5+ years related experience, strong experience in .NET, C# Frameworks and technology
  • Experience with Cloud Native architectures and technologies, designing and implementing RESTful APIs, and architecting, developing and maintaining cloud-based web services (AWS preferred)
  • Experience with AWS services, such as S3, SageMaker and AWS Personalize
  • Strong debugging/troubleshooting skills
  • Knowledge of agile quality and testing methods preferred (BDD, TDD, Unit Testing and Automation)
  • Experience with relational and non-relational database technologies
  • Deep knowledge of concurrency, resiliency, and caching
  • Experience in continuous delivery and integration
  • Excited and experienced working with a team to achieve a common goal
Job Responsibility
Job Responsibility
  • Develop implementations of patterns to solve real world problems and provide guidance to implementation teams
  • Lead discussions on architectural best practices, advise on cloud best practices
  • Evangelize engineering principles internally and externally
  • Finetune search clusters using technology like Elasticsearch
  • Work with systems that run billions of transactions, and keep them updated and honest
  • Expand and support our microservices
Read More
Arrow Right

Senior .Net Engineer

N-iX is looking for a Senior .Net Engineer for one of our clients. As a .NET Eng...
Location
Location
Ukraine
Salary
Salary:
Not provided
n-ix.com Logo
N-iX
Expiration Date
Until further notice
Flip Icon
Requirements
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
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
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
Read More
Arrow Right

Senior .NET Engineer

We are looking for a Senior .NET Engineer for maintaining, fixing, and improving...
Location
Location
India
Salary
Salary:
Not provided
techholding.co Logo
Tech Holding
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of professional software development experience
  • Strong proficiency in VB.NET and C# (7.x / 8.x)
  • Hands-on experience with .NET Framework (4.0, 4.5, 4.8) and .NET Core (3.1+)
  • Experience working with or supporting VB6 applications
  • Familiarity with WinForms desktop application development
  • Experience building or maintaining REST APIs and middleware services
  • Ability to work independently in unstructured, legacy codebases with minimal documentation
Job Responsibility
Job Responsibility
  • Maintain, debug, and enhance a portfolio of legacy desktop and web applications across multiple technology generations
  • Triage and resolve production issues in WinForms-based desktop apps and API/middleware services
  • Collaborate with client stakeholders and cross-functional engineering teams to understand business requirements
  • Refactor and improve legacy code where appropriate without disrupting existing functionality
  • Document findings, workarounds, and architectural decisions for knowledge transfer
  • Support integrations between legacy systems and modern API layers
Read More
Arrow Right

Senior .NET Engineer

We are looking for a Senior .NET Engineer for a project assign, to maintaining, ...
Location
Location
United States
Salary
Salary:
Not provided
techholding.co Logo
Tech Holding
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of professional software development experience
  • Strong proficiency in VB.NET and C# (7.x / 8.x)
  • Hands-on experience with .NET Framework (4.0, 4.5, 4.8) and .NET Core (3.1+)
  • Experience building or maintaining REST APIs and middleware services
  • Ability to work independently in unstructured, codebases with minimal documentation
Job Responsibility
Job Responsibility
  • Maintain, debug, and enhance a portfolio of desktop and web applications across multiple technology generations
  • Triage and resolve production issues in WinForms-based desktop apps and API/middleware services
  • Collaborate with client stakeholders and cross-functional engineering teams to understand business requirements
  • Refactor and improve code where appropriate without disrupting existing functionality
  • Document findings, workarounds, and architectural decisions for knowledge transfer
  • Support integrations between systems and API layers
  • Fulltime
Read More
Arrow Right

Senior .Net Engineer

Our client is one of the largest insurance brokers in the world, working in the ...
Location
Location
United States
Salary
Salary:
Not provided
eleks.com Logo
ELEKS
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of backend/API development experience, including 4+ years with modern .NET (.NET 7/8/9, ASP.NET Core, experience with .NET 10 is a plus)
  • Strong C# fundamentals: async/await, LINQ, dependency injection, middleware, and SOLID/clean architecture
  • Proven experience building production REST APIs: versioning, authentication/authorization, error handling, pagination/filtering, and OpenAPI/Swagger documentation
  • Strong SQL skills with SQL Server: schema design, query optimization, indexing, joins, transactions, and stored procedures
  • Hands-on experience with Azure Cosmos DB: partitioning strategy, RU optimization, consistency levels, indexing, and change feed
  • API security expertise: OAuth2/OIDC, JWT, secrets management, and OWASP API security practices
  • Testing experience: unit and integration testing (xUnit/NUnit) and CI quality gates
  • Cloud delivery experience (Azure): CI/CD pipelines, containerization (Docker), logging/monitoring, and troubleshooting in production
  • Strong communication and collaboration skills, with experience in code reviews and mentoring
  • Experience with Redis caching, rate limiting, and resilience patterns (retry/circuit breaker)
Job Responsibility
Job Responsibility
  • Design, develop, and maintain reliable software in line with technical requirements
  • Analyze requirements, and independently estimate and set up tasks’ acceptance criteria
  • Evaluate and coordinate tasks’ deadlines with the Technical Leader or Project Manager
  • Apply the best software development practices and coding standards to produce high-quality and performant solutions
  • Stay up-to-date with modern technology and optionally obtain professional certifications
  • Participate as a trainer or a trainee in various learning programs outside the main project
What we offer
What we offer
  • Close cooperation with a customer
  • Challenging tasks
  • Competence development
  • Team of professionals
  • Dynamic environment with low level of bureaucracy
Read More
Arrow Right

Senior .Net Engineer

Senior .Net Engineer position for a 6-month contract with possible extension, wo...
Location
Location
India
Salary
Salary:
Not provided
augustahitech.com Logo
Augusta Hitech Soft Solutions
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • .NET Framework(4.5 - 4.8) Expertise: Strong hands-on experience supporting and maintaining legacy applications built on .NET Framework 4.5–4.8, including debugging, patching, and upgrading dependencies
  • C# & Debugging Skills: Proficiency in C#, Visual Studio, and advanced debugging techniques
  • SQL Server & Data Support: Strong knowledge of SQL Server, including troubleshooting stored procedures, indexes, execution plans, deadlocks, and query performance, and executing controlled, approval-based manual data corrections in accordance with change management policies, ensuring full audit trails, validation, and post-fix verification
  • Legacy Code Maintenance: Ability to understand and safely modify complex, tightly-coupled legacy codebases with minimal documentation
  • Version Control, CI/CD & Cloud Awareness: Experience with Azure DevOps for source control, work item tracking, and CI/CD pipelines, along with working knowledge of AWS services(EC2, Secrets Manager, SNS) to support application hosting, monitoring, and deployment workflows
  • Monitoring & Incident Management: Familiarity in incident management and SLA-based support processes
  • Communication & Documentation: Strong ability to document fixes, root cause analyses (RCA), and communicate clearly with QA, DevOps, and business stakeholders
  • Years of experience: 8+ Years
  • Qualification: Any Degree
Read More
Arrow Right

Senior .NET Engineer

In this role, you will be a member of the Account Provisioning and Usage platfor...
Location
Location
Salary
Salary:
Not provided
n-ix.com Logo
N-iX
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • A bachelor’s degree in Computer Science, Computer Engineering, or other related engineering field, or comparable industry experience within a software organization
  • 3+ years of experience implementing and maintaining backend services, including RESTful or grpc API endpoints using a modern software language and/or framework
  • Professional experience with server-side development
  • Experience with microservice architecture, design, and implementation on Azure, AWS, GCP or other cloud environments.
  • Experience writing logging, monitoring, alerts and dashboards to detect and diagnose live issues.
Job Responsibility
Job Responsibility
  • Designing, developing and maintaining modern web features and service integrations for our backend platform services
  • Delivering secure, performant, scalable and reusable enterprise quality code utilizing Agile practices and a Continuous Integration and Deployment CI/CD pipeline
  • Collaborating through code reviews, pair programming and online remote communication to help ensure we ship scalable, secure and highly available code
  • Mentoring team members who are learning skills which you have mastered
  • Keeping current with the latest software engineering best practices and sharing with the team to continuously increase quality, efficiency and productivity
  • Apply strong analytical skills and ability to investigate and update code that you are unfamiliar with
What we offer
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
Read More
Arrow Right