Software Engineer (closed)

Development Team

Mobilunity is a provider of dedicated development teams aiming to bring European corporate culture to the Ukrainian IT-labor market. Throughout all the years of our existence and until now, we’ve been working hand in hand with European companies as our primary partners. By our own example, we are proving that the dedicated team model works the best in all directions including employee’s interests as people have always been our main asset. Joining Mobilunity you won’t ever feel alone.

On behalf of our Client from Japan, Mobilunity is looking for a Software Engineer (API/Identity Management) for a long-term engagement.

About project:
Our client is a fast-growing fintech company based in Tokyo. The company offers its real-time monthly consolidated credit service all across Japan. Our client started Japan’s first instant post-pay credit service for e-commerce customers in October 2014. The main product is an online payment platform which requires no pre-registration or credit card to use; via this service the customers can purchase products online using only a mobile phone number and email address and settle a single monthly bill for all their purchases, either at a convenience store, by bank transfer or auto debit. Customers can use credit funds during a month and then return the balance to zero without paying credit interests.

This service also supports multi-pay installments and subscriptions. There are currently over 4 million accounts in use. This service got the largest investment to date in the Japanese financial tech industry, including PayPal Ventures investment.

Technical stack on the project:

  • Docker-based microservices written in the Rust Programming Language
  • Other microservices written in Scala
  • AWS Services (fargate, RDS, lambda) with PostgreSQL DB
  • Circle CI + terraform provisioning and deployment
  • Linux/MacOS development environment
  • HTTPS, SSL, X.509, and other secure technologies for secure communications
  • AWS Cognito
  • HTTP REST and GraphQL APIs (JSON data)
  • Kafka Message Queueing

Responsibilities:

  • build and improve a variety of services and features for internal and external users
  • collaborate with stakeholders across the organization such as experts product, design, infrastructure, and operations
  • instrument the systems with monitoring and alerting to ensure accuracy, availability and responsiveness
  • contribute and adhere to coding standards, best practices, and procedures

Requirements and skills:

  • 5+ years of backend development in multiple modern programming languages (C/C++, Java, Rust, Scala, Golang, Python, etc.)
  • experience with designing software both from the ground up and making changes to existing applications (OO-design, Microservices, functional design, DDD, Domain/Protocol separation, etc.)
  • knowledge of systems development and operations (Docker, Redis, SQL DBs, AWS, Source-control, CI/CD systems, etc.)
  • understanding of OO-design principles
  • understanding of functional programming paradigm and methodologies
  • level of English – Upper-Intermediate and higher

Nice to have:

  • development experience with multiple programming languages
  • knowledge of or experience with functional programming
  • experience with financial or payment product

In return we offer:

  • The friendliest community of like-minded IT-people
  • Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
  • Mobilunity Medical Insurance program designed to attend our teams’ needs
  • Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
  • Fair salary and 100% taxes coverage – don’t worry about possible taxes raise – we will get you covered
  • Perfect office location in the city-center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both
  • No open-spaces setup – separate rooms for every team’s comfort and multiple lounge and gaming zones on all of the 3 floors
  • English classes in 1-to-1 & group modes with elements of gamification
  • Neverending fun: sports events, tournaments, music band, multiple affinity groups

Come on board, and let’s grow together!

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