Intergration Specialist

Communicate Finance; Wes-Kaap; On-site; ZAR 420,000 - 640,000; Full time

Job summary

Communicate Finance is seeking a backend integration engineer to design, develop, and support scalable data integrations between devices, backend platforms and third-party systems. You will work with internal teams and external partners to deliver production-grade integrations.

The role focuses on building TCP/IP services, real-time data processing, REST APIs, and secure authentication. Proficiency with C#/.NET, SQL Server, and messaging systems is essential for success.

Qualifications

• 4+ years of backend development, infrastructure engineering, or systems integration.
• Strong development experience with C# and .NET.
• Solid SQL Server experience, including query optimisation and database design.
• Experience building and supporting TCP/IP-based services.
• Strong understanding of real-time data processing environments.
• Experience with REST APIs, distributed systems, and integration architectures.

Responsibilities

• Build and maintain TCP-IP based services for ingesting high-volume telemetry and device data.
• Parse, validate, normalise, and process incoming real-time data streams.
• Design and develop integrations with third-party platforms and partner systems.
• Develop REST APIs, webhooks, and event-driven integration solutions.
• Implement secure authentication mechanisms including OAuth2, API keys, and certificates.
• Develop backend services using C# and .NET technologies.
• Design and optimise SQL Server database schemas and queries for high-performance data environments.
• Build and maintain asynchronous processing pipelines using messaging technologies.
• Implement monitoring, logging, alerting, and fault-tolerant processing mechanisms.
• Investigate and troubleshoot production issues across devices, networks, APIs, and backend systems.
• Participate in partner onboarding and technical integration sessions.
• Create and maintain technical documentation, integration mappings, troubleshooting guides, and API specifications.

Skills

C# / .NET

SQL Server

TCP/IP

REST APIs

RabbitMQ / Kafka

OAuth2 / JWT

Event-Driven

Real-time processing

Troubleshooting

Education

Relevant Degree

Tools

RabbitMQ

Kafka

JWT

Job description

Job Description: The successful candidate will be responsible for designing, developing, supporting, and optimizing data integrations between devices, backend platforms, APIs, and third-party systems. You'll work closely with internal technical teams and external partners to deliver scalable, reliable, production‑grade integration solutions.

Key Responsibilities

• Build and maintain TCP‑based services responsible for ingesting high‑volume telemetry and device data.
• Parse, validate, normalise, and process incoming real‑time data streams.
• Design and develop integrations with third‑party platforms and partner systems.
• Develop REST APIs, webhooks, and event‑driven integration solutions.
• Implement secure authentication mechanisms including OAuth2, API keys, and certificate‑based authentication.
• Develop backend services using C# and .NET technologies.
• Design and optimise SQL Server database schemas and queries for high‑performance data environments.
• Build and maintain asynchronous processing pipelines using messaging technologies.
• Implement monitoring, logging, alerting, and fault‑tolerant processing mechanisms.
• Investigate and troubleshoot production issues across devices, networks, APIs, and backend systems.
• Participate in partner onboarding and technical integration sessions.
• Create and maintain technical documentation, integration mappings, troubleshooting guides, and API specifications.

Tech Stack and Tools

• C# / .NET
• Microsoft SQL Server
• TCP/IP Services and Socket Programming
• REST APIs
• Webhooks
• RabbitMQ / Kafka and Messaging Platforms
• OAuth2, JWT, API Keys and Secure Integration Protocols
• Event‑Driven Architectures
• High‑Volume Data Processing and Telemetry Systems

Skills & Experience

• 4+ years of experience in backend development, infrastructure engineering, or systems integration.
• Strong development experience with C# and .NET.
• Solid SQL Server experience, including query optimisation and database design.
• Experience building and supporting TCP/IP‑based services.
• Strong understanding of real‑time data processing environments.
• Experience with REST APIs, distributed systems, and integration architectures.
• Exposure to message queues such as RabbitMQ or Kafka.
• Understanding of authentication, security, and secure integration practices.
• Strong troubleshooting, analytical, and problem‑solving skills.
• Ability to work across network, device, application, and backend environments.

Qualification

Relevant Degree, Diploma, or equivalent experience in Software Engineering, Computer Science, Information Technology, or related technical fields.