Delphi / SQL Developer

Octad

Basildon, United Kingdom

2 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

English

Experience level

Senior

Compensation

£ 70K

Job location

Remote

Basildon, United Kingdom

Tech stack

.NET

Microsoft Windows

API

Agile Methodologies

Delphi

C Sharp (Programming Language)

Code Review

Database Applications

Microsoft SQL Server

Performance Tuning

Scrum

Systems Development Life Cycle

Secure Coding

Software Engineering

Subversion

T-SQL

Windows Desktop

Enterprise Software Applications

SOAPAPI

Backend

GIT

Information Technology

Software Version Control

Legacy Systems

Job description

We are seeking an experienced Delphi / SQL Developer to join our client's growing development team and work on large-scale, business-critical enterprise applications used by global clients. This is a senior technical role focused on maintaining, enhancing, and modernising a complex Delphi-based system with a strong SQL Server backend. If you enjoy solving complex problems, working with mature codebases, and contributing to long-term system stability, this role will suit you perfectly., + Maintain, support, and enhance existing Delphi enterprise applications.

Diagnose and resolve complex defects, performance issues, and system bottlenecks.
Work closely with business users to translate requirements into technical solutions.
Produce clear documentation for updates, fixes, and new features.
Participate in sprint planning, estimation, and code reviews.
Ensure all development follows secure coding and internal QA standards.
Contribute to system upgrades, transitions, and modernisation initiatives.

Requirements

10+ years commercial Delphi development (XE2, XE10 or later).
10+ years Transact-SQL / MS SQL Server experience.
3+ years .NET C# experience.
Strong experience with complex, data-driven applications.
Proven background maintaining or upgrading legacy systems.
Experience with visually inherited UIs.
Strong debugging, optimisation, and performance-tuning skills.
Experience working within Agile, Waterfall, or hybrid SDLC environments.
Familiarity with version control (Git, SVN, etc.).
Experience collaborating with QA, Infrastructure, and business teams.

Desirable Knowledge

Delphi 3rd-party components.
Windows desktop application development.
Multi-tier architectures, REST/SOAP services, Windows APIs, COM.
Secure coding best practices.
Leadership or mentoring experience., + Degree in Computer Science, Software Engineering, or related field OR
Equivalent professional experience.
Relevant certifications are a plus.