Senior Systems Developer

Recruiter:

Network Recruitment

Job Ref:

ITE007334/Mon

Date posted:

Tuesday, December 2, 2025

Location:

Johannesburg, South Africa

Salary:

Annually

SUMMARY:
The Senior Systems Developer will be responsible for designing, building, and maintaining scalable, secure and user-centric systems platforms to support consulting, reporting and the SaaS function.

POSITION INFO:
Key Responsibilities:

Systems Design & Architecture:
- Lead the design and development core systems platform, including automation, reporting, and SaaS tools.
- Architect scalable solutions for client reporting, investment modeling, and process automation.
- Ensure seamless integration between internal tools (ALM, ESG, Tender Response, and Unit Pricing) and external data sources.
Development & Delivery:
- Build and maintain applications and APIs to support consulting, manager research, and reporting functions.
- Develop SaaS products such as ESG tools, economic scenario generators, and NRR modules for external clients.
- Apply best practices in coding, testing, version control, and CI/CD pipeline implementation.
Collaboration & Leadership:
- Partner with Consulting, Manager Research, and Operations teams to translate business requirements into technical solutions.
- Mentor Junior Developers and foster a culture of innovation and continuous learning.
- Collaborate with the Head of Systems & Reporting to define and execute the long-term systems roadmap.
Governance & Quality:
- Ensure that all systems comply with data security, regulatory, and governance standards.
- Conduct regular performance reviews of systems and recommend enhancements.
- Maintain comprehensive documentation of architecture, processes, and code for sustainability and scalability.

Job Experience and Skills Required:

Bachelor / Masters in Computer Science or Software Engineering
6-10 years of software development experience, with at least 3 years in a senior / lead role
Proven track record of building scalable enterprise systems or SaaS platforms
Strong proficiency in modern programming languages (Python, R, JavaScript/TypeScript or C#)
Experience with databases (SQL, PostgreSQL, and MongoDB) and data modelling
Familiarity with cloud platforms (AWS/Azure/GCP) and containerization (Docker and Kubernetes)
Experience with data visualisation / reporting tools (Power BI, Shiny, and Tableau)

Apply now!

For more IT jobs, please visit />
I also specialise in recruiting in the following:

Software Development
Data Engineer
Data Analyst
Infrastructure
Architecture
... and more!

If you have not had any response in two weeks, please consider the vacancy application unsuccessful. Your profile will be kept on our database for any other suitable roles / positions.

For more information contact:
Monica de Wet
Senior Recruitment Consultant

Similar jobs you might be interested in:

Data Scientist (Business Intelligence)
Location: Johannesburg
Salary:
Role Purpose:As a data scientist, you will play a key role in leveraging data to drive insights, inform decision-making, and enhance our life and non-life insurance operations. You will work closely with cross-functional teams to develop innovative data-driven solutions that address business challenges and improve overall performance
15 days ago

Mobile Applications Developer
Location: Sandton
Salary:
Today

Mobile Applications Developer (Android)
Location: Johannesburg
Salary:
Are You Someone Who Can:Research new technology being used in the financial sectorDevelop prototype systems on which to test and prove the new technologyMake recommendations of technology, vendors who can supply and support that technology, as well as the use cases in which they can be usedMaintain and share a knowledge base of financial technology, trends, and news for the groupWhere bespoke appl...
1 day ago

Business Analyst
Location: Johannesburg
Salary: 500 Hourly
New contracting role available - 12 Month contract for Senior business analyst with Banking / Financial Services experience to join the BI / data Analysis Team Attention!! Are you an experienced Senior business analyst ready to take on complex data challenges in a leading banking environment? Join a dynamic team driving data analytics and regulatory compliance for critical credit project...
1 day ago

Senior Systems Developer
Location: Johannesburg
Salary: Annually
The Senior Systems Developer will be responsible for designing, building, and maintaining scalable, secure and user-centric systems platforms to support consulting, reporting and the SaaS function.
2 days ago

Model Validation Analyst
Location: Johannesburg
Salary: Market Related
Are you a skilled model validation or decision science professional ready to elevate your career? Join one of South Africa’s most innovative financial institutions and contribute to building a system that’s simple, accessible, and transformative. Join a leading organisation recognised for innovation, simplicity, and client-focused solutions. This financial institution empowers millions...
2 days ago

MI & Reporting Data Analyst
Location: Sandton
Salary: R70k - 85k per month
We are seeking a MI & Reporting analyst to join our team based in Sandton, Onsite.
2 days ago

Investment Analyst (Corporate)
Location: Johannesburg
Salary: 800000 Annually
Leading, listed Financial Services company is looking for a skilled, dynamic BCom Honours graduate (CFA / CA(SA) added advantage) with 3-5 years experience in Investment / Corporate Finance Analysis to join their team. The position will best suit a candidate looking to work inhouse with a leading corporate, skilled in analysis and a candidate with an entrepreneurial mind set, capable of engaging a...
3 days ago

Business Analyst (Tax Reporting)
Location: Johannesburg
Salary: 700 Hourly
Brief Description:New 6-month contracting opportunity with a top-tier bank! If you are a seasoned business analyst with Tax Reporting and CL-STRUCT project experience, this high-visibility regulatory assignment is the next big move in your contracting career.
3 days ago

Financial Data and Pricing Analyst (Logistics Industry)
Location: Johannesburg
Salary:
Are you an Excel wizard, data storyteller and pricing thinker all rolled into one? If you love turning messy data into meaningful insight and you get a thrill from visuals, automation and commercial impact, this scaling courier business wants you on their growth rocket ship!
4 days ago