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Mediro Application Consulting

Senior Tech Lead (Golang, Java, React)

Mediro Application Consulting

  • R Undisclosed
  • Permanent Senior position
  • Johannesburg
  • Posted 26 Jun 2026 by Mediro Application Consulting
  • Expires in 28 days
  • Job 2641403 - Ref LM_504998608576
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About the position

Platform Modernisation & Architecture:



Define and lead the migration from JSP-based frontends to a modern frontend architecture.



Evaluate frameworks, build proof-of-concepts, and deliver incremental improvements without disrupting production.



Assess and drive backend modernisation initiatives (e.g. Java 17+/21 upgrades, improved API design, reduced coupling in the monolith).



Act as the primary technical architect for the marketplace ecosystem, ensuring long-term scalability, reliability, and maintainability.



 



Software Development & Quality:



Design, develop, and maintain high-quality, scalable software across the stack.



Stay close to the codebase, contributing regularly and addressing technical debt before it becomes a production risk.



Set high standards for performance, security, and reliability.



 



Leadership & Collaboration:



Lead by example through clean, pragmatic, production-grade code.



Review pull requests, mentor engineers, and raise the overall technical capability of the team through pairing and knowledge sharing.



Work closely with product managers and designers to translate business needs into robust technical solutions.



Clearly communicate technical trade-offs to both technical and non-technical stakeholders.



 



Continuous Improvement:



Stay current with emerging technologies and best practices.



Be genuinely open to adopting AI tooling where it demonstrably improves team velocity and product quality—because it works, not because it’s trendy.


Minimum Requirements:

Qualifications



Bachelor’s Degree or National Diploma in Computer Science, Information Technology, or equivalent experience.



 



Experience & Technical Skills:



10+ years of professional software development experience.



Experience in ecommerce, marketplace platforms, or fintech is a strong advantage.



Strong full-stack capability, with deep, hands-on experience in production Java systems.



Proven experience modernising legacy systems—especially migrating JSP or server-rendered UIs to modern frontend frameworks.



Practical experience with modern frontend frameworks such as React, [URL Removed] Vue, or similar, and a clear, opinionated approach to incremental migration.



Strong backend expertise with modern Java (17+/21); experience with Go is a bonus.



Solid experience working in AWS production environments, including EC2, RDS/Aurora, Lambda, S3, and CloudWatch.



High-level understanding of React Native + Expo is advantageous.



A strong appreciation for reliability, performance, and operational excellence.



 



Leadership & Mindset



Comfortable working in and improving a mature codebase rather than rewriting for novelty.



A pragmatic problem-solver who understands trade-offs between big-bang rewrites and incremental delivery—and prioritises shipping value early.



Proven ability to lead teams through complex technical change, building alignment without slowing momentum.



Clear communicator who can earn trust across engineering, product, and business teams.


Desired Skills:

  • Software development experience
  • Full-stack capability
  • Frontend Frameworks

Apply Now

Mediro Application Consulting

About the agency

Quality Placements Built on Trust Whether you are looking for a job or need to acquire top talent, Mediro IT RECRUIT is here to assist. We are technical recruiters who care. Our strength lies in fostering connections between candidates seeking employment and companies looking to employ. Our team consists of high achievers, strong individual contributors, and leaders who change lives through personal connections. With a community of professional recruiters, talent pooling and an internal referral programme, we provide multiple candidate recommendations within seven days, regardless of industry and across South Africa. The world of work is rapidly changing; people want to learn and grow, however work-life balance, equity and flexibility continue to play a major role. Companies across industries constantly require modernised and specialised skills. As a result, we strive to be your most valued IT recruitment partner by understanding individual and company needs and delivering the right resource solutions to build a workplace for the future. CONNECT with us: www.itrecruit.co.za #ResourceSolutions #talentacquisition #ITskills #itrecruitment #ITplacements #ITJobs

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