Intermediate Software Engineer

Holistitech; Gauteng; Hybrid; ZAR 600 000 - 800 000; Full time

Job summary

A leading FinTech company in Johannesburg is seeking an Intermediate Software Engineer to design and build backend services for high-availability financial systems. The ideal candidate will have 3-5 years of experience and strong proficiency in Python, with hands-on experience in building APIs using FastAPI, Django, or Flask. This role offers a hybrid work model, mentorship, and opportunities for rapid growth into a Senior Software Engineer position.

Benefits

Strong mentorship

Flexible remote days

Growth opportunities

Qualifications

• 3–5 years professional software engineering experience.
• Strong proficiency in Python 3.x.
• Hands-on experience building backend APIs / services using FastAPI, Django, or Flask.
• Experience with Docker and CI / CD pipelines.
• Good understanding of databases and writing efficient queries.

Responsibilities

• Design and build backend services powering high-availability financial systems.
• Participate in design discussions and propose solutions.
• Deploy containerized applications and contribute to stability improvements.
• Write maintainable, tested code and assist in production issue troubleshooting.

Skills

Python engineering

Backend API development

Containerization with Docker

Database management

Asynchronous programming

Education

Degree in Computer Science, Engineering, Mathematics or similar

Tools

FastAPI

Django

Flask

PostgreSQL

Redis

Docker

CI/CD tools

Kafka

RabbitMQ

Kubernetes

Job description

Location : Johannesburg, South Africa (Hybrid Remote)

Level : Intermediate (3–5 years experience)

Sector : FinTech • Digital Banking Technology

Reporting to : Lead Engineer / Technical Director

Role Overview

We are looking for anIntermediate Software Engineerwho enjoys solving real engineering problems — not just delivering tickets.

You will design and build backend services poweringhigh-availability financial systems, working closely with experienced engineers and cross-functional stakeholders.

You’ll have autonomy in how you approach problems, while still having support whenever you need it.

This role is perfect for someone who :

• Wants to grow quickly in ahigh-trust, delivery-focused environment
• Can take an idea from discussion ? implementation ? deployment
• Learns fast and adapts well when priorities shift
• No prior banking experience is required —we will enable you on the domain.
• What matters is yourPython engineering strengthand yourability to think.

What You’ll Do

Backend Development

• Build and maintain API-driven services usingPython(FastAPI / Django / Flask)
• Contribute to modularmicroservicesthat support analytics and operational systems
• Apply asynchronous programming where performance matters

Systems Design & Problem Solving

• Participate in design discussions, propose solutions, improve reliability and performance
• Help break down complex requirements into manageable technical work

Cloud & DevOps Exposure

• Deploy containerised applications using Docker and CI / CD pipelines
• Contribute to monitoring, logging and stability improvements

Data and Integration

• Work with relational databases (e.g., PostgreSQL) and caching layers (e.g., Redis)
• Integrate services with messaging systems (e.g., Kafka / RabbitMQ)

Quality & Support

• Write maintainable, tested code
• Assist in troubleshooting production issues as needed

What Success Looks Like

Technical Ability

• Write clean, reliable Python services; improve performance with guidance

Learning Agility

• Pick up new concepts fast (tech + financial domain)

Delivery Ownership

• Follow through on commitments; communicate early if blocked

Collaboration

• Work openly with engineers, analysts and business users

Professionalism

• Show maturity, punctuality, and care when working with clients

Minimum Requirements

• Degree or NQF Level 7 equivalent in Computer Science, Engineering, Mathematics or similar
• 3–5 yearsprofessional software engineering experience
• Strong proficiency in Python 3.x
• Hands-on experience building backend APIs / services (FastAPI, Django or Flask)
• Experience withDockerand CI / CD pipelines (GitHub Actions, Jenkins, etc.)
• Good understanding of databases & writing efficient queries
• Ability to workindependently in a hybrid environment
• Exposure to distributed / event-driven systems
• Basic knowledge of async programming and messaging systems (advantageous)
• Experience with Kubernetes or cloud platforms (advantageous)

Tech Stack You’ll Work With

• Python 3.x(primary language)
• FastAPI / Django / Flask
• Docker • CI / CD (GitHub Actions, Jenkins, GitLab CI)
• PostgreSQL • Redis • MongoDB
• Kafka / RabbitMQ (depending on projects)
• Prometheus • Grafana • Sentry (observability)

Growth & Culture

• Applying engineering thinking toreal-world business problems
• Designing the solution, not just following instructions
• Learning new concepts fast and stepping into challenges

Building structure where none exists

You'll have strong mentorship and a clear path to grow intoSenior Software Engineer.

Important Notes

This is aclient-facing rolein a regulated environment

Hybrid setup withflexible remote days

Supportive team, high pace — you'll always be learning

You are required to undergocredit / criminal checksrequired by financial institutions

Apply if you want tosolve real engineering challenges, build credible experience in the FinTech domain, and grow fast in a team that values both people and delivery.