Senior Software Engineer (Optimizely)

Bilue is a digital consultancy that designs and builds smart, user-friendly technology for some of Australia’s most well-known businesses. From mobile apps to beautifully designed web platforms and digital experiences, we create solutions that drive impact and deliver exceptional customer outcomes.

Our culture is people-first and purpose-driven. We’re a down-to-earth, values-led team with offices in Sydney and Melbourne, and a growing presence in Manila. We genuinely enjoy working together, whether we’re solving tough tech problems, brainstorming creative solutions, or grabbing a coffee between meetings. Curiosity is encouraged. Collaboration is second nature.

We value excellence, not ego, and back each other to do great work without micromanagement. With low politics and high trust, it’s a place where delivery people, designers, and engineers genuinely connect, and where everyone has a voice, space to grow, and a little fun along the way.

About the Role
As a Senior Software Engineer specializing in Optimizely at Bilue, you will be a key technical leader responsible for designing, building, and maintaining robust, scalable digital solutions for our clients.

This role requires deep expertise in the Optimizely CMS ecosystem. You will apply your development craft to deliver complex, high-quality projects, ensuring best practices are upheld and acting as a technical mentor to the team.

Skills & Responsibilities

• Build and maintain robust and scalable solutions using Optimizely CMS.

• Connect Optimizely with third-party systems and APIs.

• Work with stakeholders, designers and front-end developers to translate business requirements into technical solutions.

• Conduct code reviews, uphold best practices, and mentor junior developers.

• Stay current with the latest Optimizely updates and technology trends.

• Take a proactive, solution-focused approach to projects, questioning assumptions and identifying opportunities for innovation.

• Build strong, trust-based client relationships, delivering with empathy, transparency, and care.

• Work within a modern Agile delivery environment.

Technical Skills:

• 5+ years of experience in web development using C# and ASP.NET MVC.

• 3+ years of hands-on experience with Optimizely CMS (v11, v12, or SaaS).

• Strong knowledge of RESTful APIs and headless CMS approaches.

• Experience with SQL Server, Entity Framework, and version control (Git).

• Familiarity with cloud hosting (Azure, AWS) and CI/CD pipelines (e.g., Azure DevOps).

• Drive best practices for testing, code quality, and performance optimisation.

• Experience with Optimizely Graph, ODP, and Experimentation modules is a plus.

• Familiarity with modern front-end frameworks (Next, React, etc.).

Soft Skills:

• Proven ability to lead technical discussions and guide development practices.

• Strong problem-solving and analytical mindset.

• Excellent communication and collaboration skills.

• Ability to work in agile, cross-functional teams.

• Effective communicator with excellent stakeholder engagement skills, able to build trust and collaborate in fast-paced, cross-functional teams

Life at Bilue

People-first focus: We’re committed to delivering exceptional outcomes for our clients, but we know it starts with our people. You’ll join a values-led team that’s collaborative, curious, and genuinely cares about doing great work, together.

Connection that counts: From monthly anchor days and team lunches to our annual offsite, we create intentional moments to connect, collaborate, and celebrate. These aren’t just fun perks — they’re part of how we work and grow together.

Flexibility that works: We offer hybrid working, with 1–2 days per week in the office. It’s a balance that gives you the space to do your best work, while still creating time to connect and build strong relationships in person.

Strong internal communities: We actively foster internal communities across tech, design, delivery, and beyond, giving you plenty of chances to connect, share knowledge, and learn from your peers.

Opportunities to grow: We invest in your development with unlimited access to Go1’s learning library and support from our internal performance coach. Whether you want to deepen your technical skills or grow your leadership potential, we’ll back you.

Flat structure, real impact: At Bilue, everyone’s voice matters. Our leadership team is hands-on and approachable, and we operate without unnecessary layers. We keep things open and transparent, and your ideas will be heard, no matter your title.

Bilue = Big + Blue Ocean. Are you ready to set sail? Apply now!

NB. This is a full-time position based in Sydney, NSW. To be considered, candidates must have unrestricted working rights in Australia.

We believe that having balanced and diverse teams is fundamental to our success. We welcome applicants of all backgrounds and experiences and are committed to fostering an inclusive environment where everyone feels respected and valued. We do not discriminate based on race, religion, national origin, gender identity or expression, age, sexual orientation, marital status, neurodiversity or disability status.