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Database Architect / Database Engineer

Who are we?

Opus Technologies is a technology company with a focus on shaping the future of payment technology. With experience building highly innovative solutions and products, we combine our deep technology proficiency with unmatched domain expertise in payments and fintech, enabling us to deliver unparalleled quality and value in everything we do. For the last 26 years, our team has worked with a diverse global customer base, ranging from start-ups to Fortune 500 financial leaders, all focused on digital transformation and driving innovation in payments. We’re headquartered in Alpharetta, Georgia, USA. Our offshore software development center, including all corporate teams, works out of an office in Pune, India.

OPUS Technologies Company Information

Job Description

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Database Architect / Database Engineer

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UK and India

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Full Time

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Bachelor or Masters in Computer Science/ IT or Computer Applications

Current State –

  • The data stored in this system is for Core payments – partner enablement data and contains partner data platforms like partner records, merchant, token, payment, settlement, and core data.
  • This is a horizontal database serving many upstream.
  • Today they use Gemfire to store all data, it is a caching tool by VMware and stores data as a key-value pair. Discover stores the data in a structured JSON format in key-value pairs.
  • Data is served via APIs
  • Gemfire is deployed in 6 regions (multi-regional)


Discover’s migration/re-platform plan

  • The long-term plan is to migrate the systems to OCP + Postgres.
  • Right now the immediate plan is to move all the data to Postgres by June 2024 as their current Gem Fire license is ending
  • The JSON data needs to be moved to Postgress RDBMS structured tables.
  • Postgres will be deployed in two regions(east and west), and AWS RDS-managed services will be used.
  • Discover plans to use REDIS as the cache
  • Updates will be done on Postgres, Read replica will be REDIS
  • There are 4 teams (6-8 folks) in Poland, England, and India with different vendors (Cap and CTS) that are doing this activity

JD Profile

  • Expert Database Architect with experience in RDBMS Databases (Postgres)
  • Experienced in working with AWS RDS, Postgres
  • Experienced in migrating databases
  • Knowledge of JSON to convert JSON data into meaningful RDBS schemas
  • Experienced in designing and building new databases
  • Experienced in concepts of partitioning to enable data availability through postgress
  • Adequate knowledge in replication, building multiregional databases,  ACID concepts, etc in RDS
  • Good to have – knowledge of REDIS cache
  • Good to have – Knowledge of GemFire

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