ACE Software Developer

nedbank; Johannesburg; On-site; ZAR 600,000 - 900,000; Full time

Job summary

A leading financial institution in Johannesburg is seeking a Software Developer II, focused on designing and building integration solutions using IBM App Connect Enterprise. The ideal candidate will possess strong Java skills and have a minimum of 3 years programming experience. Responsibilities include producing quality software, ensuring secure integrations, and collaborating with diverse teams to achieve business objectives. Join a dynamic team dedicated to continuous improvement and innovation.

Qualifications

• Minimum 3 years programming experience.
• Strong Java capability needed.
• Experience with integration solutions.
• Experience designing and building integration solutions
• Strong Java capability for system‑to‑system communication
• Ability to create secure integrations using SSL/TLS and authentication standards
• Experience with REST/SOAP APIs and data transformation

Responsibilities

• Design and build integration solutions.
• Produce quality software that meets design.
• Implement robust exception handling.
• Ensure secure integrations and manage deployment.
• Collaborate with teams to refine solutions.
• Ensure solutions are scalable, observable, and maintainable
• Document work per organisational standards
• Collaborate with designers, product owners and engineers to refine solutions
• Support business strategy and stay current with field developments

Skills

Java

REST APIs

SOAP APIs

JSON

XML

Agile Development

Education

Advanced Diplomas/National 1st Degrees

Diploma / Certificate in multiple languages

Certificate in relevant language where available

Tools

IBM App Connect Enterprise

MQ

HTTP services

Job description

Software Developer II (API Developer/Datapower/ACE Developer): 144166

Closing Date: 23 February 2026

Job Family

Information Technology

Application Development

Manage Self: Technical

Job Purpose

The ACE Developer will design and build integration solutions using IBM App Connect Enterprise, with strong Java capability to support complex system‑to‑system communication. The role focuses on developing, enhancing, and re‑routing integration flows across IBM Connect:Enterprise, HTTP services and MQ.

Job Responsibilities

• Produce working quality software that meets the design
• REST and SOAP APIs, create BAR files, implement robust exception handling
• Ensuring secure integrations through SSL/TLS and authentication standards
• Use policy‑based configuration to manage behaviours and apply strong JSON and XML skills for data transformation and validation
• Develop critical and complex technical components in area of accountability
• Deliver system component designs that are robust and fault tolerant for large complex systems
• Ensure system component designs are supportable , maintainable and re-usable
• Deliver software that is observable and scalable
• Conduct estimate of work effort
• Trouble shoot and problem solve of software issues and provide guidance to other team members
• Produce documentation as per organisational standards
• Continuous improvement of software
• Provide Maintenance and support of software in environments of accountability
• Develop unit and system test cases and conduct unit and system testing
• Create deployment artefacts and stores in source control library
• Manage the deployment package and the execution thereof
• Optimise the tool change in collaboration with the Biz/ Dev / Ops Engineer
• Update and control the asset knowledge base
• Ensure integration of own work with other individuals and in team
• Collaborate with designers, product owners and engineering leads to refine the solution
• Contribute into the decomposition of the system solution into component parts for development
• Support the achievement of the business strategy, objectives and values
• Stay abreast of developments in field of expertise
• Ensure personal growth and enable effectiveness in performance of roles and responsibilities
• Contribute to the Nedbank Culture building initiatives (e.g. staff surveys etc.).
• Participate and support corporate responsibility initiatives for the achievement of business strategy
• Seek opportunities to improve business processes, models and systems though agile thinking.

Essential Qualifications - NQF Level

• Advanced Diplomas/National 1st Degrees

Preferred Qualification

Diploma / Certificate in multiple languages

Preferred Certifications

Certificate in relevant language where available

Minimum Experience Level

Min 3 years programming experience

Technical / Professional Knowledge

• IT Data structures
• Application systems
• Agile Development
• System Development Life cycle(SDLC)
• Managing Work
• Quality Orientation
• Initiating Action
• Technical/Professional Knowledge and Skills

Please contact the Nedbank Recruiting Team at [phone]

Nedbank Ltd Reg No 1951/000009/06.
Authorised financial services and registered credit provider (NCRCP16).