Senior Backend Developer

Descrição do trabalho

Make an impact by working for sectors where technology is the enabler, everything is ground-breaking and theres a constant need to be innovative.

Create and enhance projects in Java, Pyhton, Angular, PHP, .NET and so much more while diving in the world of Blockchain, Artificial Intelligence, Data Science, Security and Internet of Things.

Be part of the team that combines business knowledge, technological edge and a design experience. Our different backgrounds and know-how are key in developing solutions and experiences for digital clients.

Face challenges and learn other ways of thinking and seeing the world - theres always room for your energy and creativity.

About the role

We are looking for Senior Backend Developers to join our Celfocus team in Portugal.

Someone that is eager to try new trends, new stacks and innovative approaches to our solutions would be the best fit. Disruptive mindset, not getting demotivated by failure, out of the box thinking and the willingness to take the risk, is the mindset we are looking for!

As a part of your job, you will:

• Support recruitment & hiring activities of engineering talent and facilitate the onboarding of new team members.
• Providing technical and non-technical guidance to the team, both individually and as a group.
• Providing technical guidance and expertise to the team, ensuring adherence to best practices, coding standards, and architectural principles while conducting regular performance evaluations, offering constructive feedback, and supporting the professional growth and development of team members.
• Collaborate with product owners to grasp detailed requirements.
• Contribute to the technical roadmap for the team, identifying areas that need improvement and leading cross-team solutions.
• Share your knowledge by giving brown bags, tech talks, or lead training sessions and promoting appropriate tech and engineering best practices.
• Ensuring that solutions meet performance, scalability, and security requirements.
• Collaborating with cross-functional teams to align technical solutions with business goals and deliver effective and impactful software applications.
• Build high-quality, clean, scalable, and reusable code by enforcing best practices around software engineering architecture and processes (Code Reviews, Unit testing, etc.).
• Design robust APIs to support mobile and desktop clients.
• Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency).
• Providing code documentation and other inputs to technical documents.Be an active member of our backend community.
Contribute to Celfocus technical roadmap and innovation initiatives.

What are we looking for?

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• Deep knowledge of object oriented and design patterns, and architectural patterns.
• 6+ years of professional experience with software development in one or more object-oriented programming languages (e.g., Java, Python, C++)
• 2+ hands-on technical management experience in shipping large-scale projects with multiple dependencies across teams.
• Strong experience documenting and bringing team clarity to complex solutions.
• Strong experience with Relational/NoSQL databases and data workflow management.
• Strong experience with software engineering best practices such as design patterns, code reviews, unit, and integration testing, etc.
• Strong experience with message brokers and queues such as (Kafka, Rabbit MQ, Active MQ).
• Strong experience with cloud and containerized solutions (AWS, Azure, K8s, docker, etc.).
• Strong experience in software security aspects and tools such as (Authentication/Authorization, Encryption/Decryption, Digital Signatures, Identity and Access Management).
• Experience with code analysis and review tools such as (SonarQube, CodeQL).
• Experience with API Gateways such as (Kong API Gateway, Google Apigee).
• Experience with dependency management tools such as (Maven, Gradle).
• Experience with version control tools such as (GitHub and GitLab).
• Experience with ticket tracking and documentation tools such as (JIRA and Confluence).
• Experience with agile development methodologies (Scrum and/or Kanban)
• Experience of web architectures and services (HTTP, SOAP, REST, JSON).
• Good exposure to Continuous Integration and Continuous Delivery (CI/CD).
• Hands on experience developing REST APIs using TMF standards & Open API specifications.
• Hands on experience with TELCO industry BSS architectures is preferable.
• Knowledge in HTML5, CSS3, JavaScript, jQuery, AngularJS or ReactJS is preferable.
• Problem solver mindset: for a given context, think, design, and present a solution for a diverse set of stakeholders (from CTO to architects and developers).
• Proficiency in English (both spoken and written)
• Excellent communication skills to convey technical concepts and collaborate effectively with cross-functional teams and clients.
Availability to travel (short-term periods).

Required Skills:

• A minimum of 6 years of professional Java development experience, including proficiency in Java 8 and newer versions, as well as Java Application Frameworks such as (Spring, Spring Boot, and Hibernate).
• Experience with designing and building RESTful APIs.
• Hands on experience of Microservices Architecture design (clean and/or hexagonal architectures, message driven solutions, etc).

Personal traits:

• Ability to adapt to different contexts, teams, and Clients;
• Teamwork skills but also a sense of autonomy;
• Motivation for international projects and ok if travel is included;
• Willingness to collaborate with other players;
Strong communication skills.

At Celfocus, we are committed to cultivate a diverse and inclusive workplace. As an equal-opportunity employer, we welcome applicants of all backgrounds, gender identities, and abilities. We are dedicated to providing reasonable accommodations for candidates with specific needs. If you require any adjustments during the selection process, please inform our Talent Acquisition Team.

Come join the Team!