Senior Solidity Developer

Senior. NET Engineer

We are looking for a Senior. NET Engineer with strong experience in distributed systems and hands‑on expertise in Temporal. io. You will design and deliver workflow orchestration solutions that ensure reliability, scalability, and high performance across cloud and hybrid environments.

Responsibilities

• Design, develop, and test Temporal workflows and activities using. NET 6+ (C#).
• Build Po
  Cs to validate scalability, performance, and technical feasibility of workflow solutions.
• Apply best practices in determinism, versioning, retries, compensation, and observability for distributed systems.
• Deploy and operate Workers and Clients on Azure and on‑prem environments, integrating with APIs, databases, and message queues.

Requirements

• Minimum 5 years of experience in. NET/C# development and strong knowledge of async programming and dependency injection.
• Hands‑on experience with Temporal. io (Workflows, Activities, Workers, Clients) and distributed system patterns like idempotency.
• Experience with Azure and hybrid integrations, plus the ability to work autonomously in complex technical environments.
• Advanced English (mandatory) with strong communication skills for collaboration in international senior teams.

Senior. NET Developer (Freelance)

We are looking for a Senior. NET Developer to join a long‑term international project and work on building scalable, high‑impact digital solutions. This is a great opportunity for a professional who enjoys working with modern architectures, event‑driven systems, and cloud technologies.

What You’ll Do

• Develop and maintain systems in . NET Framework and . NET Core.
• Improve and maintain legacy systems ensuring stability and scalability.
• Design and implement microservices‑based solutions, using Kafka as an Event Hub.
• Work with both No
  SQL and relational databases to build robust data solutions.
• Implement and maintain Azure Functions and other serverless solutions.
• Write unit and integration tests, perform code reviews, and enforce best practices.
• Collaborate with the architecture team to define standards and best practices.
• Support the frontend team with Angular‑based applications (React knowledge is a plus).

What We’re Looking For

• Advanced experience in C#, . NET Framework, and. NET Core.
• Proven experience with legacy systems maintenance.
• Experience designing services architectures and event‑driven systems (Kafka/Event Hub).
• Strong knowledge of SQL Server/My
  SQL and No
  SQL databases (Mongo
  DB, Cosmos
  DB).
• Familiarity with CI/CD pipelines, design patterns (DDD, CQRS), and Docker/Kubernetes (nice to have).
• Must be based in Spain or Portugal with knowledge of Spanish or Portuguese.

Why Join Us?

• Long‑term freelance contract with stable workload (160h/month).
• Work with a multinational tech team on a cutting‑edge product.
• Competitive hourly rate.
• Hybrid in Lisbon.

Senior Frontend Developer (Angular)

We are looking for a Senior Frontend Developer (Angular) to join our team. The role involves developing, maintaining, and optimizing web applications with a strong focus on Angular (v17), collaborating closely with backend teams, and contributing to the design and implementation of scalable, responsive user interfaces.

Responsibilities and Tasks

• Develop, maintain, and optimize web applications with a strong focus on Angular (v17).
• Collaborate closely with backend teams to ensure seamless integration with APIs and services.
• Contribute to the design and implementation of scalable, responsive, and high‑performance user interfaces.
• Participate in code reviews and follow best practices for code quality, performance, and security.
• Understand and work within Azure cloud infrastructure, including open‑source solutions hosted in the cloud.
• Have a basic understanding of. NET to effectively interact with backend APIs and services.
• Read and interpret Docker and Kubernetes configurations to support collaboration with Dev
  Ops and backend teams.
• Support and maintain CI/CD pipelines using Azure Dev
  Ops.
• Actively contribute to technical discussions and help evolve the frontend architecture.

Requirements

• 4+ years of experience as a frontend or full‑stack developer, with a strong focus on Angular.
• Solid proficiency in Angular (v17), including Angular CLI, Rx
  JS, modules, components, and services.
• Familiarity with. NET, sufficient to understand and consume REST APIs.
• Working knowledge of Azure cloud services.
• Experience reading and working with Docker and Kubernetes configurations.
• Exposure to Azure Dev
  Ops for managing CI/CD workflows.
• Strong problem‑solving skills and ability to work independently.
• Fluent English communication skills (written and spoken).
• Nice to have: Experience with microservices architecture; knowledge of additional frontend libraries or frameworks (e. g. , React, Vue. js); familiarity with open‑source technologies that complement the Angular ecosystem.

Additional Information

The Devoteam Group works for equal opportunities, promoting its employees based on merit and actively fights against all forms of discrimination. We are convinced that diversity contributes to the creativity, dynamism and excellence of our organization. All of our vacancies are open to people with disabilities.