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Full Stack Developer

Appen Global

Exeter, England EX1 1
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Appen Global
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Job Details


Appen collects and labels images, text, speech, audio, video, and other data used to build and continuously improve the worlds most innovative artificial intelligence systems. Our expertise includes having a global crowd of over one million skilled contractors who speak over 180 languages and dialects, in over 70,000 locations and 130 countries, and the industrys most advanced AI-assisted data annotation platform. Our reliable training data gives leaders in technology, automotive, financial services, retail, healthcare, and governments the confidence to deploy world-class AI products. Founded in 1996, Appen has customers and offices globally.


At Appen, we value performance, honesty, humility, and grit. We persevere and remain focused, whilst maintaining agility to achieve quality outcomes and exceed expectations. Were truth tellers respectfully of course. We take accountability for our actions, and believe in giving and receiving direct feedback. We give credit where credit is due, and show gratitude to others for their contributions. We seek diverse perspectives as we recognize the value in teamwork and collaboration. Through grit, we take ownership, and we dont give up.


Position Summary

The main responsibility of the Full-Stack Developer is to provide advanced operational data processing solutions using programming, machine learrning and other computational means.  In particular, the Developer applies expert technical skills to the development of the data pipeline involving solution design, implementation of active learning algorithms, and the successful delivery of complex data projects.



The role includes but is not limited to the following duties and responsibilities:

  • Developing scripts and using established APIs for integrating client data and requirements with Appen's proprietary crowd-sourcing tools.
  • Providing technical implementation of a designated data evaluation and updating algorithm.
  • Engineering and maintaining tools used for generating client deliverables from Appen inputs and outputs.
  • Interacting with internal product and service teams to enhance the efficiency of data processing pipelines.
  • Designing and developing client-customised scripts, tools, and data pipelines for possible additional activities such as:
    • Active learning and transfer learning
    • Graph construction and knowledge extraction
    • Model evaluation and benchmarking
    • Data formatting/conversion
  • Utilising SPARQL, SQL, Python, NLTK, HTML, CSS, and JavaScript for the above tasks as required.
  • Delivering training to internal and external clients as required.
  • Preparing linguistic data for NLP engine development.


Qualifications and Experience

  • 3+ years in the Software Industry
  • Degree in Computer Science, Data Engineering, Machine Learning, Artificial Intelligence, a related field, or equivalent experience
  • Excellent technical and programming skills
  • Significant technical experience with data pipelines for NLP/KG applications
  • Excellent communication skills
  • Accountability and drive to produce rapid results and solutions
  • Ability to work effectively in an environment characterized by constant change, ambiguous client specifications, and a fast, deadline-driven culture

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

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