Senior SQL Developer

DVT is a leading global software development and data engineering company, delivering innovative technology solutions to some of the world's most respected brands. We pride ourselves on engineering excellence, agile delivery, and a people-first culture. Our teams work across industries, solving complex problems with cutting-edge technology. We are a community of passionate technologists who continuously push the boundaries of what's possible.
We are looking for a Senior SQL Developer to join our Data & Analytics Practice. In this client-facing role, you will be responsible for the design, development, and maintenance of complex SQL databases, writing efficient queries, stored procedures, and triggers. You will play a key role in database architecture, performance tuning, and mentoring junior developers.
This is a consultative engineering role — you will work directly with clients to understand their business challenges, architect robust database solutions, and lead delivery teams in a fast-paced, agile environment. You will be a technical leader, mentor, and advocate for modern database engineering best practices.

Requirements

Key Responsibilities; 1. Database Design & Development; Schema Design: Design, implement, and maintain database schemas, including tables, indexes, and relationships to support business requirements.; Stored Procedures & Triggers: Develop and manage stored procedures, functions, and triggers to automate database operations and enforce business rules.; SQL Query Optimization : Write and optimize complex, high-performance SQL queries to ensure efficient data retrieval and manipulation.; Data Modeling: Design and implement data models that accurately represent the structure and relationships of data, including dimensional and relational modelling where required.; 2. Performance & Integrity; Performance Tuning: Identify and resolve performance bottlenecks in database queries, indexing strategies, and infrastructure.; Data Integrity & Security: Ensure data accuracy, consistency, and security through proper validation, constraints, and access control mechanisms.; Database Version Control: Implement and maintain robust database version control practices, including change scripts and migrations.; 3. ETL & Data Integration; ETL Processes: Develop and manage processes for extracting, transforming, and loading data from various sources into target databases.; Data Pipelines : Build and maintain reusable data integration patterns, parameterised scripts, and modular solutions.; 4. Client Engagement & Analysis; Requirements Gathering: Work directly with client stakeholders to elicit, translate, and manage technical and business requirements.; Solution Design: Lead architectural and design sessions, ensuring alignment with business goals and enterprise strategies.; Documentation: Produce clear, high-quality technical documentation across the project lifecycle (pre, during, and post-delivery).; Estimation & Scoping: Contribute to project planning, estimation, and risk assessment for database initiatives.; 5. Technical Leadership & Mentorship; Mentoring : Share knowledge and provide guidance to junior developers on database-related tasks, promoting best practices and code quality.; Agile Delivery: Actively participate in and guide Agile ceremonies (Scrum, Standups, Sprint Planning, Kanban).; Standards: Enforce database engineering standards, naming conventions, and governance practices across all deliverables.; Troubleshooting: Investigate and resolve complex database-related issues and problems in production and non-production environments.; 6. Business Intelligence & Collaboration; BI Integration: Connect databases to business intelligence tools (Power BI, SSRS, etc.) for reporting and analysis.