Job Title: Senior Engineer – Middle Tier
Location: Karachi, Pakistan

We’re on the look-out for a bright and enthusiastic team player to join our team. You’ll be immersed in a world where technology meets research, working with our team across UK and Pakistan, building next-generation research management and intelligence software, powered by big data analytics, machine learning, natural language processing and artificial intelligence.

colwiz is an award-winning start-up launched through the University of Oxford’s software incubator, which recently became part of Taylor & Francis Group (Informa), a FTSE 100 company with 160 offices around the world. See our products and featured in Wired, Fast Company News and Nature.

To apply for this position, please send your CV to



  • Working with highly agile team of product managers, designers, engineers, and architects
  • Development of scalable middle tier services, components and API development
  • Transforming requirements into functional components connecting frontend and backend
  • Design, build, and maintain efficient, reusable, and reliable server side code
  • Ensure performance, quality, and responsiveness of the applications
  • Focus on continuous improvement by identifying bottlenecks and issues, and coming up with solutions
  • Focus on code quality, organization, and automation
  • Load testing and stress testing of the middle tier


The ideal candidate must have 3-5 years of software development experience using

  • Java and Enterprise Java (Java 8, Servlets, JSP)
  • Index/search frameworks (Lucene, Solr, ElasticSearch)
  • Data frameworks (Hibernate/ORM, Spring, Drop Wizard, XML/XSL)
  • AWS (IAM, CloudFront, EC2, SES, S3, Aurora, RedShift, Glue, Kinesis)
  • Complex database queries on SQL and no-SQL databases
  • API design and development
  • Siege, JMeter and Apache Bench
  • Object oriented programming, data structures, design patterns, and algorithms



  • BS/MS degree in Computer Science or a related discipline
  • Scala, Spark, Python
  • Graph databases (Neo4j, TitanDB, JanusDB, BlazeGraph, Tinkerpop)
  • Java certification


colwiz, a Taylor & Francis company
colwiz is an award-winning start-up launched through the University of Oxford’s software incubator. With a mission to accelerate research globally; colwiz empowers researchers with robust and intuitive reference management tools and enables real-time insights into the research landscape through big data analytics.
In May 2017, colwiz joined the Taylor & Francis Group, bringing the investment and scale of one of the world’s leading academic publishers to this next generation start-up. The company’s new product development plans around and include pioneering solutions using machine learning and artificial intelligence to address some of the most challenging problems in global research, supporting academics, publishers, governments and businesses alike.
To find out more about colwiz and the platform, please go to and
The Company – Taylor & Francis Group an Informa Business
Informa is a leading academic publishing, business intelligence, knowledge and events business, creating unique content and connectivity for customers all over the world. It is listed on the London Stock Exchange and is a member of the FTSE 100.
Taylor & Francis Group operates globally and produces high quality, peer reviewed books and journals. We produce unique, trusted content by expert authors, spreading knowledge and promoting discovery globally. We aim to broaden thinking and advance understanding, providing academics and professionals with a platform to share ideas and realise their individual potential.
colwiz, a division of Taylor & Francis, is committed to equal employment opportunity for all employees and applicants for employment without regard to age, colour, creed, disability status, gender, national origin, race, religion, sexual orientation or veteran status, or any other legally protected status.