Systems Analyst

reversidesoftwaresolutionspt; Johannesburg; On-site; ZAR 850,000 - 1,200,000; Full time

Job summary

Reverside is seeking a Senior Systems Analyst in Johannesburg to reverse-engineer and analyze complex legacy enterprise platforms. You will document current-state architecture, data flows, and interfaces, and support modernization efforts across migration and decommissioning initiatives.

The role requires strong analytical skills with experience in SQL Server, .NET/C#, Java components, and API integrations. Collaboration with multiple teams and governance adherence are essential.

Qualifications

• 5+ years in systems/technical business analysis.
• Experience in legacy system analysis and reverse engineering.
• SQL Server and database analysis experience.
• Source code analysis capabilities.
• Data flow and dependency mapping.
• Familiar with REST and SOAP APIs.
• Batch and file-based integrations experience.
• UML/BPMN/ERD modeling skills.
• Strong requirements and technical documentation.
• Ability to translate findings into actionable specs.

Responsibilities

• Reverse-engineer legacy applications and identify business rules, processing logic, dependencies, and technical debt.
• Analyse .NET/C#, SQL Server, Java components, stored procedures, integrations, and configuration.
• Document current-state architecture, data flows, dependencies, interfaces, and system interactions.
• Produce business rules, data lineage, dependency maps, interface inventories, and as-is process models.
• Conduct impact, root-cause, data, and integration analysis.
• Translate technical findings into requirements, user stories, decision points, and actionable recommendations.
• Support migration, decomposition, remediation, and decommissioning initiatives.
• Collaborate with developers, architects, testers, business stakeholders, and platform teams.
• Support testing, validation, backlog refinement, and delivery planning.
• Maintain traceability, governance, risk, and auditability throughout the analysis lifecycle.

Skills

Systems analysis

Technical analysis

Data analysis

Documentation

UML modeling

REST APIs

SOAP APIs

Data flow mapping

Legacy reverse engineering

Education

Bachelor's Degree in Information Systems / Computer Science / Engineering

Job description

Johannesburg, South Africa | Posted on 08/03/2026

Reverside is an established IT services provider deliveringhigh-quality Software Development, IT Resourcing, Digital Transformation, and Systems Support solutions. We are always looking for skilled professionals tojoin our growing team and contribute to innovative technology projects acrossvarious industries.

We are seeking a Senior Systems Analyst with a strong hybridanalyst-developer profile to reverse-engineer and analyse complex legacyenterprise platforms. The role focuses on understanding existing applicationcode, databases, integrations, configurations, and system behaviour to createaccurate current-state documentation and support modernisation, migration,decomposition, and decommissioning initiatives.

Key Responsibilities

• Reverse-engineer legacy applications and identify business rules, processing logic, dependencies, and technical debt.
• Analyse .NET/C#, SQL Server, Java components, stored procedures, integrations, and configuration.
• Document current-state architecture, data flows, dependencies, interfaces, and system interactions.
• Produce business rules, data lineage, dependency maps, interface inventories, and as-is process models.
• Conduct impact, root-cause, data, and integration analysis.
• Translate technical findings into requirements, user stories, decision points, and actionable recommendations.
• Support migration, decomposition, remediation, and decommissioning initiatives.
• Collaborate with developers, architects, testers, business stakeholders, and platform teams.
• Support testing, validation, backlog refinement, and delivery planning.
• Maintain traceability, governance, risk, and auditability throughout the analysis lifecycle.

Mandatory Skills

• 5+ years' Systems / Technical Business Analysis
• Legacy System Analysis & Reverse Engineering
• SQL Server & Database Analysis
• Source Code Analysis
• Data Flow & Dependency Mapping
• REST / SOAP APIs
• Batch & File-Based Integrations
• UML / BPMN / ERD
• Data Analysis using SQL & Excel
• Requirements & Technical Documentation

Advantageous Skills

• Java
• Legacy Modernisation & Migration
• CI/CD & Source Control
• Customer Information / Onboarding Systems

Software Intelligence / Dependency Analysis ToolsQualifications

• Bachelor's Degree in Information Systems, Computer Science, Engineering, or related field.
• 5+ years' experience in systems analysis, technical business analysis, software engineering, or application analysis.

Core Competencies

• Strong analytical and problem-solving skills
• Technical investigation and reverse- engineering capability
• Strong documentation and modelling skills
• Ability to work across technical and business environments
• Attention to detail and structured thinking
• Comfortable working with ambiguity and incomplete documentation