In-Demand Backend developer Jobs in Nsw

Senior Software Engineer (.NET/AI)
Corto Pty Ltd —Sydney NSW
- Hybrid work
- AWS
- APIs
- AI
- Gym membership
Quick Apply
Staff Software Engineer, Core Services - VALORANT
Riot Games —Sydney NSW
- Full-time
- Agile
- Health insurance
- Annual leave
Quick Apply
Senior Fullstack Engineer
PALO IT —Sydney NSW
- Hybrid work
- Azure
- DevOps
- Systems design
- Work from home
Quick Apply
Senior Software Engineer (Backend focussed)
Cover Genius —Sydney NSW
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Master's degree
- Work from home
Developer Evangelist - Integrations (APAC)
Xsolla —Sydney NSW
- Full-time
- Remote
- Public speaking
- Presentation skills
- APIs
Quick Apply
Senior Golang Developer (Cloud Native)
Binance —Sydney NSW
- Full-time
- Remote
- Azure
- Databases
- AWS
- Work from home
Quick Apply
Senior QA Engineer - Web3 Wallet
Binance —Sydney NSW
- Full-time
- Remote
- APIs
- AI
Quick Apply
Senior Quality Engineer (Fixed-Term)
Woolworths Group —Surry Hills NSW
- Full-time
- Hybrid work
- SQL
- APIs
- Parental leave
Associate Engineering Team Lead (C/C++ to Rust), Trading Technologies
Binance —Sydney NSW
- Full-time
- Remote
- Computer Science
- Engineering
- Databases
Quick Apply
11d
Senior Applied AI Solutions Architect, Amazon Connect, AWS, AWS Applied AI Solutions
Amazon Web Services Australia Pty Ltd —Sydney NSW
- Full-time
- CRM software
- AWS
- Presentation skills
10d
Senior Software Engineer (Payments & Billing)
Relevance AI —Sydney NSW
- Full-time
- Hybrid work
- AWS
- AI
- Parental leave
- Employee assistance program
Senior Software Engineer, Internal Applications (AI Agent)
Binance —Sydney NSW
- Full-time
- Remote
- Databases
- AI
Quick Apply

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Senior Software Engineer (.NET/AI)

Corto Pty Ltd
Sydney NSW

Quick Apply

Job Details

Benefits

Gym membership

Qualifications

Performance tuning
Data modelling
RESTful API
AWS
REST
APIs
S3
DynamoDB
AI

Full Job Description

About CORTO

We are CORTO, a cutting-edge software company dedicated to revolutionising the legal industry. Our mission is to empower legal practitioners with AI-driven solutions that streamline their workflow, boost productivity, and provide more efficient client service.

Our team of AI experts and engineers collaborate to develop intelligent software tailored to the unique needs of lawyers, paralegals, and legal assistants.

Our innovative AI solutions automate routine tasks, simplify document management, and enhance decision-making, allowing legal professionals to focus on what they do best—providing expert legal counsel.

We’re rapidly scaling from 80 to 150+ employees, with a highly technical workforce where around 90% of the team are developers and engineers. Working alongside our Sydney-based team of passionate high achievers, you’ll join a fast-growing technology business where things rarely stay the same for long - and if you’re smart, caring, and ambitious, you’ll be in great company.

What you’ll do

This is a greenfield .NET and AI build. You'll join our Accounting Backend team to design and ship a new platform from the ground up for CORTO’s next-generation billing and accounting products. Working closely with the Head of Backend Engineering, you'll make the early calls that shape the whole system: domain design, database modelling, fast-at-scale queries, and how we embed LLMs deep into the backend to generate, transform and enrich information in ways that genuinely hold up in production. A rare chance to own the foundations of a core product, with real technical autonomy.

To make this happen you will

Design and build scalable, high-performance backend systems in C#/.NET that underpin our billing and accounting products
Make foundational architectural decisions on a greenfield build
Design and own core services, APIs and the underlying data model - including database schema design and writing efficient queries that stay fast as we scaleBuild on AWS, using services like S3, SNS, SQS, Lambda and DynamoDB
Integrate LLMs deep into the backend to automate information generation, transformation and enrichment - not as a bolt-on, but as a core part of the product
Design and ship AI-driven features, including prompt engineering with OpenAI in production systems
Drive code quality through thoughtful testing, code review, observability and secure-by-default practices
Mentor engineers across the team and raise the bar on how we build
Partner with product, design and other engineering teams to turn complex problems into shippable solutions

What you’ll bring

6+ years building production systems with ASP.NET Web API (C#/.NET)
Deep experience with distributed systems, RESTful APIs and relational databases (4+ years)
Ability to integrate LLMs into backend systems to enable automated information generation, transformation, and enrichment.
Strong grasp of SOLID principles and clean architecture
Hands-on experience with AWS (or equivalent cloud) in production
Track record of performance tuning and designing for scale
Experience mentoring engineers and lifting team technical standards
Pragmatic - you know when to ship fast and when to slow down and get it right

You are the type of person who

Takes ownership end-to-end - you don’t stop at the API boundary
Cares as much about reliability and observability as you do about shipping new features
Enjoys teaching and is generous with your technical knowledge
Asks why before you ask how
Is curious about AI and how it can reshape the software we build

CORTO is an inclusive, people-first company committed to breaking down institutional barriers that keep people from reaching their potential. If you meet some, but not all the requirements above, we encourage you to still submit your application.

Why join CORTO?

Your work matters. We solve real world problems that improve and support local, everyday law firms. So they can do their best work for the people in the communities they serve.
Make an impact. You won’t be another ‘cog in the wheel’ here. We give full trust and autonomy for you to be heard, to work on big & complex projects – and to make a real difference.
Work with a group of authentic, passionate people who love what they do.
Well-funded and global. CORTO is part of ATI Global – one of the largest international LegalTech companies.
Flexible and hybrid working. We engage, share, and collaborate on ideas and workflows.
Career and learning opportunities - we move fast and need smart people to get us where we're going. We are a scaling business and looking for people who want to grow with us.
Have fun with us. Celebrations. Socials. Sports teams. Access to sailing and yacht events.
We value your well-being with additional time off, gym membership and other perks.
Fast-paced tech environment, if we don't disrupt ourselves someone else will do it!
Access to LEAP Home - a program unique to the ATI Group to support you in buying your primary residence.

Quick Apply

Refine Your Search

backend developer jobs in nsw

Senior Software Engineer (.NET/AI)

Staff Software Engineer, Core Services - VALORANT

Senior Fullstack Engineer

Senior Software Engineer (Backend focussed)

Developer Evangelist - Integrations (APAC)

Senior Golang Developer (Cloud Native)

Senior QA Engineer - Web3 Wallet

Senior Quality Engineer (Fixed-Term)

Associate Engineering Team Lead (C/C++ to Rust), Trading Technologies

Senior Applied AI Solutions Architect, Amazon Connect, AWS, AWS Applied AI Solutions

Senior Software Engineer (Payments & Billing)

Senior Software Engineer, Internal Applications (AI Agent)

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