API Developer


About the job

IT Architect / API Developer

Department: Technology

GSMA Entity: Mutual

Location: London

Position type: Contractor (inside IR35) - until December 2023

Reporting to: Senior Director, Group Technology

About The Team

We are a team of technical experts that assists the mobile industry in is generational and digital transformation. This involves understanding the industry drivers, collaborating with; operators, vendors and other actors to provide technical recommendations to specify for wider industry adoption. Our goal is to increase interoperability to accelerate scale adoption of technology principles and practices, thus providing a sustainable economic roadmap for mobile technology.

Our current challenges include networks generational change to 5G, virtualization of network functions and the impacts of digital transitions to IT&T infrastructure and software models.

What The Hiring Manager Says

โ€œMobile technology has changed our lives, the next technology steps in virtualization will transform our societies, the way we work and the way we live. We are at the forefront of these generational transformation, a great place to learn and make a difference.โ€

Henry Calvert, Senior Director, Group Technology

About The Role

You will support the Technology leadership team (CTO and Senior Directors) to provide the technical expertise and resource for the development of systems and services to make the Mobile Industry work. This would include administration and development of a wide variety of infrastructure service applications (e.g. Blockchain, Identity, APIs and other services).

You will need to engage with industry stakeholdersโ€™ and internal GSMA departments e.g. Standards Organisations, Operators, Vendors and OEMs, to prepare technical requirements for development and enhance product offerings from the GSMA.

You will need to demonstrate clear understanding of infrastructure administration and configuration, particularly Amazon Web Services, be able to develop to technical requirements and demonstrate continuous development practices.

You will be required to work with other internal departments with the GSMA to provide designs and feature enhancements to projects.

About You

Relevant experience in a technical architecture, design development role within the Telecoms, IT&T or Application Service Provider sector.

Knowledge of virtualised technologies and techniques such as containerisation (e.g. Docker, Kubernetus) is required, also enterprise blockchain knowledge is required, knowledge of a range of generational Mobile network technologies would be preferable.

Knowledge of IT system architectures and continuous development environments. Hands-on expertise on API design and implementation, DevOps, cloud (AWS, Azure, Google Cloud), software development, Microservices frameworks, Blockchain platforms (Hyperledger Fabric, Indy, Aries, Ethereum), network management, VoIP, mobile app development (Android or iOS or other) and many more.

In particular
  • API designing and modeling using swagger and API development toolkit, writing code, performing DevOps
  • Working experience on SOAP, REST, JSON and XML style services as APIs
  • API Developer skills on YAML, Java, .Net and possibly Blockchain Development skills on Solidity, Javascript, Go.
  • Experience of OAuth2 implementations using identity/SSO tools
  • Design and development of Proof of Concepts
  • Design and implementation of API solutions and strategy. Building APIs that ensure security, usability and reliability
  • Familiarity with the API Management eco-system
  • Experience with Open source environments and contributions
  • Network Administration, Configuration and Deployment owner for Test and Production Networks
  • GitHub Admin for code storage & version control, issue tracking, Wiki
  • Code, test, integration, auditing with external suppliers
  • Design and prototyping for the road-mapped features
A proven track record of interacting with internal and external stakeholders.

Able to deliver projects from inception to completion, often involving a broad mix of individuals and companies with diverse skill sets.

Ability to prioritise and work autonomously, including working from office and home.

Smart, collaborative, relationship and outcome focused.

Ability to demonstrate sound judgement in the escalation of issues and the formulation of solutions.

Attention to detail and understanding of need for high quality documentation.

Contract type

Short term Contractor

Worker type

Contingent Worker

What We Offer

Working at the GSMA offers you unparalleled access to the mobile industry. We offer a chance to truly shape the direction of mobile, whatever your role. By joining the GSMA, you will be exposed to a fast-paced rapidly evolving environment, working on global solutions, genuinely fascinating and industry-changing projects and a stimulating and dynamic environment designed to enable you to flourish.

In addition to architect-designed offices and competitive compensation, our benefits include fantastic learning & development opportunities, generous holiday allowances, four additional days off for professional development and many others.

To learn more about the GSMA, visit our career site, our LinkedIn page and our Twitter page.

Being You at the GSMA

We are one of the most diverse companies you will ever come across, we care deeply about equality and inclusivity and aspire to be the best at it. Your well-being and work/life balance is important so if you prefer to work flexi-time or a day from home, just ask. Weโ€™re keen to ensure everyone is equal, represented and connected so we particularly encourage applications from all demographics. The success of the GSMA year on year will continue to be contributed by people from all walks of life.

Flexible Working

Here at the GSMA, we are committed to being an inclusive employer and are happy to consider flexible working arrangements supported by our BeWell programme. Our BeWell programme provides comprehensive benefits, tools and initiatives to encourage a happy and healthy working environment.

If you are interested in applying for this role with a flexible working arrangement, please talk to our recruitment team.

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