In-Demand Junior javascript Jobs in Balmain, Nsw

Senior Engineer (Core Web)
CoStar Group —Sydney NSW
- Full-time
- Vital signs
- Computer Science
- AWS
Airfare Specialist
Firstclass.com.au —Sydney NSW
- Part-time
- Hybrid work
- Microsoft Excel
- Sales
- Customer service
- Opportunities for advancement
- Referral program
Senior Full Stack Software Engineer
Freelancer.com —Sydney NSW
- $160,000 - $200,000 a year
- Full-time
- Doctoral degree
- Master's degree
- SQL
Quick Apply
Senior Developer
Infomedia —Sydney NSW
- Computer Science
- AWS
- Bachelor's degree
Quick Apply
Lead Mulesoft Developer
Mav3rik —Sydney NSW
- Contract
- Hybrid work
- Management
- Salesforce
- APIs
- Health insurance
- Annual leave
Luxury Cruise Specialists
Firstclass.com.au —Sydney NSW
- Part-time
- Hybrid work
- Microsoft Excel
- Sales
- Customer service
- Opportunities for advancement
- Referral program
Branch Manager
Firstclass.com.au —Sydney NSW
- Part-time
- Hybrid work
- Microsoft Excel
- Sales
- Customer service
- Opportunities for advancement
- Referral program
First Class Travel Consultants Top Travel Sales Consultants? First-Class Clients, First-Class Rewards
Firstclass.com.au —Parramatta NSW
- $100,000 - $150,000 a year
- Part-time
- Hybrid work
- Microsoft Excel
- Sales
- Customer service
- Opportunities for advancement
- Referral program
Sales Team Leader
Firstclass.com.au —Sydney NSW
- $100,000 - $150,000 a year
- Part-time
- Hybrid work
- Microsoft Excel
- Sales
- Customer service
- Opportunities for advancement
- Referral program
Reward Travel Team Manager
Firstclass.com.au —Sydney NSW
- Part-time
- Hybrid work
- Microsoft Excel
- Sales
- Customer service
- Opportunities for advancement
- Referral program
Luxury Cruise Team Manager
Firstclass.com.au —Parramatta NSW
- Part-time
- Hybrid work
- Microsoft Excel
- Sales
- Customer service
- Opportunities for advancement
- Referral program

More jobs to discover

Find similar jobs that you might be interested in.

Airfare Specialist
Firstclass.com.au —Sydney NSW
Highly experienced in retail travel consulting for minimum 2 years. 2 years experience in cruise sales, retail preferred. Your travel industry sales experience.
Branch Manager
Firstclass.com.au —Sydney NSW
Highly experienced in retail travel consulting for minimum 2 years. Highly experienced in retail travel consulting for minimum 2 years.

I want to receive the latest job alert for junior javascript in balmain, nsw

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

Explore jobs in more locations

junior javascript jobs near balmain, nsw

Team Leader jobs in Parramatta NSW

Full Stack Developer jobs in Sydney NSW

Travel Consultant jobs in Parramatta NSW

Sales Team Leader jobs in Sydney NSW

Branch Manager jobs in Sydney NSW

Casual Team Member, Cotton On jobs in Sydney Nsw

Team Leader jobs in Crestmead Qld

Team Leader jobs in Deception Bay Qld

Team Leader jobs in Mount Druitt Nsw

Team Leader jobs in Monash University Vic

Team Member Kmart jobs in Keilor Downs Vic

Full Stack Developer jobs in Melbourne Vic

Full Stack Developer jobs in Brisbane Qld

Full Time jobs in Alice Springs Nt

Bunnings Warehouse Full Time, Part Time & Casual jobs in Victor Harbour Sa

Full Stack Developer jobs in Remote

Python Developer jobs in Melbourne Vic

Software Developer jobs in Perth Wa

Senior Developer jobs in Raleigh Nsw

Junior Software Developer jobs in Melbourne Vic

Senior Engineer (Core Web)

CoStar Group -
Sydney NSW

Apply Now

Job Details

Full-time

Qualifications

CI/CD
Vital signs
Computer Science
Software Engineering
AWS
Docker
Security
Scalability

Full Job Description

Senior Engineer (Core Web)

Job Description

Senior Software Engineer will drive high-quality software development and innovation, serving as a key driver of technical direction across engineering initiatives. This pivotal role involves architecting scalable, highly performant software systems, writing and reviewing code, and ensuring all technical solutions align with the broader engineering strategy. Leveraging deep expertise in React, TypeScript, and Next.js, the engineer will lead the development of complex features, mentor team members, and champion engineering quality standards to solve real customer problems and enhance web applications.

What you’ll do

Build high-quality, scalable, and reliable solutions, applying modern engineering best practices and contributing to continuous improvement across the technology landscape.

Demonstrate strong expertise in web performance optimisation, including Core Web Vitals (LCP, INP, CLS, and TTFB), with a focus on delivering exceptional customer experiences.

Contribute to the health, stability, and evolution of platforms by addressing technical debt, improving system performance, and influencing engineering standards through collaboration with broader technical communities.

Mentor and support junior engineers, while partnering closely with Product Managers and Designers to deliver customer-centric outcomes aligned with business goals.

Take ownership of operational excellence, including participating in on-call rotations, responding to incidents, and proactively improving system reliability, security, and maintainability.

Ideally you’ll have

Degree in Computer Science, Software Engineering, or a related discipline.

Strong expertise in modern frontend technologies, including React, JavaScript, TypeScript, and Next.js.

Experience building scalable, high-traffic web applications using modern architectural patterns such as Micro Frontends, SPA, and SSR.

Experience working with GraphQL, cloud-native technologies (AWS), containerisation (Docker), and modern CI/CD practices.

Proficiency in designing and delivering high-quality software solutions within Agile development environments.

Collaborative mindset with proven experience working across Product, Design, and Engineering teams to deliver customer-focused outcomes.

Demonstrated ability to mentor junior engineers, contribute to engineering best practices, and drive continuous improvement within development teams.

Security: Familiarity with modern Application Security Practices (OWASP) preferred

Deep understanding of web performance optimisation, including Core Web Vitals (INP, LCP, CLS, and TTFB).

What’s in it for you

Working at CoStar Group means you'll enjoy a culture of collaboration and innovation that attracts the best and brightest across a broad range of disciplines. We offer you generous compensation and performance-based incentives. As well as having an outstanding working environment, other perks include extra days of annual leave, leadership development programs, LinkedIn Learning, Perkbox discounts and much more!

At CoStar, we recognise the positive value of diversity and promote equality. We aim at all times to recruit the person who is most suited to the job and welcome applications from people of all backgrounds including but not limited to; people of all genders, of all ages, sexual orientations, ethnicities, nationalities, religions and beliefs.

About Domain (part of the CoStar Group)

Domain is a leading property technology and services marketplace that is home to one of the largest portfolios of property brands in Australia, including the Domain, Allhomes and Commercial Real Estate (CRE) platforms. In 2025, Domain became part of CoStar Group - a global leader in commercial real estate information, analytics, online marketplaces and 3D digital twin technology. We are dedicated to digitising the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives.

Equity, Diversity & Inclusion

Domain is enthusiastically and unapologetically committed to fostering an equitable, inclusive work culture which reflects our customers and communities. We are proactively looking for candidates from all lived experiences, including people with disability, and people of all ages, ethnicities, cultures (including Aboriginal and Torres Strait Islander Peoples), faiths, sexual orientations, and gender identities (including trans and non-binary people).

We are committed to providing an equitable recruitment process for people with disability. If you require adjustments during the process we’re here to support. If you wish to receive this job advertisement in an accessible format, or have a confidential chat about workplace adjustments, please contact our Equity, Diversity and Inclusion team at [email protected] or leave a message on 1300 858 356 and we will get back to you.

What’s Next?

We’ll give your application the thoughtful attention it deserves and get back to you as soon as possible. If there’s a match, one of our recruitment consultants will reach out—so keep your phone handy! We’re genuinely excited about the chance to work together and make a meaningful impact.

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

Apply Now

Refine Your Search

junior javascript jobs in balmain, nsw

Senior Engineer (Core Web)

Airfare Specialist

Senior Full Stack Software Engineer

Senior Developer

Lead Mulesoft Developer

Luxury Cruise Specialists

Branch Manager

First Class Travel Consultants Top Travel Sales Consultants? First-Class Clients, First-Class Rewards

Sales Team Leader

Reward Travel Team Manager

Luxury Cruise Team Manager

More jobs to discover

I want to receive the latest job alert for junior javascript in balmain, nsw

Explore jobs in more locations

Job Seeker Tools

Employer Tools

Browse

Stay Connected