Lead developers act as the primary point of contact for our clients, ensuring that teams are successful in their delivery. In this role, you will bring a strategic mindset to projects and spend time collaborating and negotiating with clients to bring a technical vision to life. Having a balance of high-level and tactical mindsets is a must, as you will spend time both with clients and your teammates.

At Thoughtworks, we believe in going above and beyond the standard and are committed to delivering best-in-class solutions that exceed our clients' expectations. Our standard engineering and delivery practices reflect our commitment to quality, and our team is always looking to innovate and improve. Lead developers guide and coach their teams in their implementation and application.

Due to the project requirement, candidates must be Singaporean citizens or already hold Singaporean Permanent Residency (PR) at the time of application.

Job responsibilities

• You will champion and adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns.

• You will oversee or take part in the entire cycle of software consulting and delivery from ideation to evolution in production and everything in between.

• You will use and advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible.

• You will design solutions and choose technologies that solve clients’ problems while working within constraints and make pragmatic tradeoffs.

• You will collaborate with a variety of teammates to build features, design concepts and interactive prototypes and ensure best practices and UX specifications are embedded along the way You will apply the latest technology thinking from our Technology Radar to solve client problems.

• You will apply a variety of languages and tools to your work and continue to code alongside Developers; you will not be post-technical in this role.

• You will efficiently utilize and champion Dev Sec Ops tools and practices to build and deploy software, advocating devops culture and shifting security left in development.

• You will cultivate Thoughtworker growth and development by encouraging feedback and fostering an inclusive, supportive team culture.

Job qualifications

Technical Skills

• You have 7+ years of stack development experience using Python and Javascript.

• Deep hands-on experience in building and productionizing AI agentic solutions is a must,e.g., having built RAG or agentic solutions using Llama Index, CrewAI, or similar agent orchestration and RAG tooling.

• You have led software development teams using Agile methodology.

• Knowledge of technical practices such as TDD, continuous integration, pairing and infrastructure automation.

• You have a strong passion for continuous learning and improvement, from agentic AI frameworks, MCP / A2A protocols, and event-driven architectures to functional programming and platform engineering. Staying current with AI advancements and maintaining learnability is a key priority.

• Bonus points if you have knowledge of cloud technology such as AWS, Docker or Kubernetes.

Professional Skills

• You have experience influencing others and always advocate for technical excellence while being open to change when needed.

• You bridge product and technology by helping to translate business needs to software requirements.

• You have the ability to develop and execute a technical vision with a focus on business value.

• You will act as a mentor for less experienced peers through both your technical knowledge and ability to inspire a team to deliver extraordinary impact together.

• You’re resilient in ambiguous situations and can approach challenges from multiple perspectives.

Other things to know

Learning & Development

There is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. But we also balance autonomy with the strength of our cultivation culture. This means your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. We see value in helping each other be our best and that extends to empowering our employees in their career journeys.

About Thoughtworks

Thoughtworks is a dynamic and inclusive community of bright and supportive colleagues who are revolutionizing tech. As a leading technology consultancy, we’re pushing boundaries through our purposeful and impactful work. For 30+ years, we’ve delivered extraordinary impact together with our clients by helping them solve complex business problems with technology as the differentiator. Bring your brilliant expertise and commitment for continuous learning to Thoughtworks. Together, let’s be extraordinary.

See here our AI policy.