Backend Software Engineer

Backend Software Engineer

At Truphone

Date Posted:

Location: Portugal, TELECOMMUTE

We believe in making mobile connectivity simple. Today we are running a unique global cellular connectivity platform which will host hundreds of millions of devices connected anywhere in the world for all sorts of purposes. We get businesses, individuals and things securely and smoothly connected. As a result, users and systems can enjoy ubiquitous connectivity and focus on what they need to do as getting connected was resolved by us for them. Truphone is already one of the world’s largest eSIM providers and a market leader in several mobile connectivity products such as mobile recording and carrier app connectivity.

We are looking at fulfilling our objectives with the best talent and we're committed in providing an amazing working environment with several growth opportunities. Every day we get exposed to big challenges and we are really looking forward in working with other highly impactful indviduals who are willing to make a difference.

Working at Truphone

Working at Truphone is different. We are part of a very diverse environment, solving great problems and helping simplify mobile connectivity like no other company has done before. We do not shy away from issues, wait for others to act or solve things for us, we always take on big challenges together and work to find the best solution for our customers. Literally everyone gets exposed to various engineering projects needing impactful team members.

We believe that things will be as good as we make them and that success is an attitude. We promote a culture where if things are not better, it is not because someone wasn't allowed to make the difference, but because no one tried or took the initiative.

SIM Services Team

You will be part of a young development team accountable for the product delivery and in-life management of our RSP platform, configuring the Consumer and M2M use cases, enabling connectivity for everyone and everything. We run a multi site platform, following strict security requirements, provide the service to customers around the world and manage hundreds of millions of Profiles. We embrace a highly collaborative and diverse environment, value teamwork, autonomy and held accountability for our deliverables and customer success.

Position Responsibilities

  • Implementation of Truphone’s RSP platform
  • Ensure compliance with GSMA standards
  • Implement an architecture that is resilient, scalable, secure and fault tolerant
  • Implement the necessary procedures and metrics on his contributions for an effective monitoring on the platform
  • Assist the roadmap management with quality estimates promoting an effective management of expectations
  • Accountable for the outcomes of his work, and for the effectively working end to end flows
  • Strong contributor to roadmap implementation allowing a continuing and fast evolution of the solution. Be able to deliver small incremental features often
  • Collaborate with other team members and contribute to a common code repository
  • Promote seamless integration of the new features into the existing codebase
  • Promote code quality, readability and high tests coverage
  • Promote overall quality of the solution and ensure high performance
  • Document the solution and flows


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  • Strong knowledge and experience in the development of Java applications
  • Development experience with Spring Framework 3 and 5
  • Proven experience with relational databases
  • Knowledge of Camel, RabbitMQ
  • Knowledge of Karaf, Perl, Cryptography, Protobuff, Go is a plus
  • Proficient with REST APIs, both in implementing the interfaces and consuming
  • Knowledgeable of high standards and patterns for software implementation
  • Familiar with collaborative development tools and processes
  • Familiar with CI/CD flows, Git, Docker and Kubernetes
  • Proficiency in the English language, both written and verbal, sufficient for success in a remote and largely asynchronous work environment
  • Demonstrated capacity to clearly and concisely communicate about complex technical, architectural, and/or organizational problems and propose thorough iterative solutions
  • Experience with performance and optimization problems and a demonstrated ability to both diagnose and prevent these problems
  • Comfort working in a highly agile, intensely iterative software development process
  • Ability to work autonomously but reach out immediately if blocked
  • Demonstrated ability to onboard and integrate with an organization long-term
  • Positive and solution-oriented mindset
  • Effective communication skills: Regularly achieve consensus with peers and clear status updates
  • An inclination towards communication, inclusion, and visibility
  • Self-motivated and self-managing, with strong organizational skills
  • Demonstrated ability to work closely with other parts of the organization
  • Share our values, and work per those values
  • Proven analytical, problem-solving and troubleshooting skills
  • Good understanding of cloud services and scalable infra
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