Senior Software Engineer (API)
About us
Mantel is an Australian-owned IT Professional Services consultancy, focused on emerging technology to help advance our clients by leveraging AI, Digital, Cloud, Data & Security technology. We are a fully AI-enabled technology consultancy and the partner that bridges the gap between blue-sky ambition and practical steps to deliver value. Since our inception in November 2017, we have experienced remarkable growth across Australia & New Zealand and are honoured to be recognised as a Great Place to Work for 6 years in a row!
We hire smart and talented people and get out of their way. As a principle-based organisation, we have a flat structure with no hierarchy. By focusing on our five principles and not getting caught up in red tape, we trust you to get the job done!
Digital
Our Digital team works collaboratively to develop end-to-end digital solutions, from technology selection to building and operating. Spanning software and hardware, we deliver scalable, cloud-focused, automated solutions. This is where we build enterprise-grade GenAI products and use AI to accelerate monolith decomposition and redevelop legacy applications for major clients.
About the role
As a Senior Software Engineer, you will enjoy working on a diverse and exciting range of projects across various clients and industries. We are a technology agnostic business which opens endless possibilities for you to work across multiple tech stacks and multiple platforms with the opportunity to upskill and cross skill.
API Development - .NET, Java, Node.js, Python, Kotlin, Golang, Kafka and GraphQL
Integration Technologies - Apigee, Kong
Multi Cloud Platforms - AWS, GCP, Azure
Your day-to-day
Thrive in our collaborative, flat-structured environment, where your day-to-day work is all about teamwork and shared decision-making.
Implement technology solutions that meet and exceed customer requirements and expectations.
Develop high-quality code that can function with existing code, patterns and architectural techniques.
Leverage and advocate for AI-assisted development tools (eg: Claude/Cline) to accelerate development.
Implement structured agentic workflows (setup-plan-act) across team development practices.
Lead by example in reviewing and refining AI-generated code, ensuring it meets architectural standards.
Effectively utilise development best practices such as CI/CD and test integrations.
Ensure appropriate quality is maintained through practices such as unit testing.
Design systems that can be managed effectively in production environments.
Help our clients maintain and run reliable applications and systems.
Lead small teams - delegate effectively, communicate and develop others.
Proactively identify and address issues outside of direct responsibility.
Go-to expert in one or more technical areas.
Use professional judgement while treating colleagues and clients with respect and compassion, and a demonstrated ability to display our Mantel principles.
What you’ll need to be successful:
Experience developing applications, consuming and developing APIs, and following technical best practices & design patterns.
Demonstrated skills writing automated test routines for developed code including unit, regression, performance, and load testing.
Dedication to software development best practices (e.g. CI/CD pipelines) and core software engineering fundamentals.
An understanding of API gateway technologies such as Kong &/or Apigee.
The ability to code well in your language(s) of choice and have a willingness to learn new ones.
Experience building and maintaining cloud-based applications across AWS, Azure or GCP.
Proficiency or interest in AI-assisted coding tools.
Understanding of AI code security, quality assurance and when human oversight is critical.
A self-starter mindset and an ability to work hands-on, to find answers and work with ambiguity.
A passion for sharing your knowledge with others, a willingness to tackle the tricky problem and get hands-on by pair programming with colleagues.
At Mantel, we want you to be yourself. We trust our team members to use their professional judgment while treating colleagues and clients with respect, compassion, and professionalism in alignment with our five principles.
You take ownership, always stepping up to help and prioritising your teammates. You're also a clear, kind communicator who makes sound decisions based on good judgement.
What you can expect from us:
We believe in unique experiences for all. Our My Deal program allows you to tailor your yearly plan, with the support of your Leader, to decide on what’s most important to you. That might be extra professional development, extra annual leave, time to work on your side hustle, or something else completely different! One size does not fit all.
You’ll get all the tools you need to hit the ground running including a new phone, laptop & swag.
A true investment in your AI-first career. We are a fully AI-enabled consultancy and provide you with the tools to lead. This includes access to the Mantel AI Gateway, our secure, centralised platform with multiple AI models, plus a dedicated monthly budget and a safe environment to experiment and innovate.
You’ll be genuinely supported by an organisation that cares about not only you but your family as well, Mantel offers Flexible Personal Leave options for those unplanned moments in life.
We support a flexible hybrid approach to working which is guided by our principles; we trust each other to “make good choices” about the best workplace locations for the requirements of the project, role and client. This can change based on our client needs.
We know you won’t have one job for life. At Mantel, we believe in supporting our team to take their career in a direction that aligns with their passions. We have internal opportunities across Cloud, Data, Digital, Delivery & Security.
Our elite partnerships are a direct result of our deep platform mastery. For you, this means you'll be working alongside teams with the highest levels of technical expertise and tackling the most complex, high-profile projects on the market. Check out our partner awards and recognitions here.
Mantel is a certified Family Inclusive Workplace, which means we are committed to improving your wellbeing at work through leading practices on flexible work, parental leave, family care and family wellbeing
We value a diverse workplace and strongly encourage people from all backgrounds and minority groups to apply.
- Department
- Digital
- Role
- API
- Locations
- Melbourne, Sydney
- Remote status
- Hybrid
- Employment type
- Full-time