Database Engineer - Fintech; AWS Remote

Position: Database Engineer - Fintech (AWS Remote
Role overview We are looking for a Database Engineer (consulting role) with 4–6+ years of experience, strong SQL skills and solid AWS knowledge to join Arenema’s India team.
You will work as a consultant on a long‑term mission for a leading fintech platform, owning core database design and operations and helping shape the client’s data, analytics and reporting strategy.

Key responsibilities  Act as a consulting Database Engineer for a fintech client, translating business and regulatory requirements into robust data and database designs.
Design and evolve relational database schemas for payments, accounts, treasury and compliance data (KYC, AML, risk, audit).
Implement, operate and optimize databases on AWS (RDS/Aurora, Postgre

SQL/MySQL, possibly Dynamo

DB/Redshift) for performance, resilience and cost efficiency.
Design, deploy and maintain Elastic‑based search and analytics solutions (Elasticsearch, Kibana, Beats/Logstash) for observability, operational reporting and data exploration.
Develop and tune complex SQL queries, stored procedures and ETL/ELT pipelines feeding data warehouses, Elastic indices, BI tools and regulatory reporting.
Define and enforce standards for indexing, partitioning, backup/restore, high availability and disaster recovery in a mission‑critical financial environment.
Implement security best practices on AWS and Elastic (encryption, IAM/roles, network segregation, auditing) aligned with financial‑services regulations and client policies.
Collaborate with client stakeholders (engineering, data, product, compliance) and Arenema colleagues to drive continuous improvement of the client’s data platform.

Required qualifications  Bachelor’s degree in Computer Science, Engineering, Information Systems or related field, or equivalent experience.
4–6+ years of hands‑on experience as a Database Engineer, Data Engineer or Backend Engineer with a strong database focus, ideally in consulting or product environments.
Strong SQL skills and production experience with at least one major RDBMS (Postgre

SQL, MySQL, SQL Server or Oracle).
Practical experience with AWS database and data services (RDS/Aurora, Redshift, S3, Glue, Lambda or similar).
Hands‑on experience with Elastic stack (Elasticsearch, Kibana, Logstash/Beats) for search, logging, metrics or analytics in production environments.
Proven experience in performance tuning, query optimization, indexing strategies and capacity planning for high‑volume systems.
Experience building and maintaining data pipelines and models for analytics, BI or financial reporting.
Good understanding of security, access control and data protection in regulated or security‑sensitive environments.

Nice to have  Experience in fintech, banking, payments, e‑money or other regulated financial domains.
Prior consulting experience, comfortable working with multiple stakeholders and managing expectations.
Exposure to event‑driven or streaming data (Kinesis, Kafka, etc.) and near real‑time analytics.
Knowledge of dimensional modelling and data warehousing patterns for financial data.
Familiarity with Dev Ops practices for data systems (infrastructure as code, CI/CD, monitoring, incident response).

About Arenema Arenema is a boutique technology consulting company specializing in digital transformation and innovation for financial‑services and fintech clients across Europe and beyond.
We help our clients modernize their technology landscape by combining cloud, data, security and engineering expertise to build scalable, compliant financial platforms

What Arenema offers  The chance to work on high‑impact fintech transformation projects as part of Arenema’s consulting team.
Exposure to modern cloud and data architectures, with opportunities to grow into lead and architect roles over time.
A collaborative, international environment that values autonomy, curiosity and craftsmanship in engineering.