Senior Fullstack Developer (Nest.js, React, Next.js)
- Level
- Senior
Not stated in the posting: salary, work type, visa.
Open. First seen 4 November 2026.
About the role
Due to the nature of the projects and specific client security clearance, this role requires the successful candidate to be a Singapore Citizen or Singapore PR.
Senior Software Developers collaborate with Business and Quality Analysts, Designers, Project Managers and more to design software solutions that will create meaningful change for our clients. They listen thoughtfully to understand the context of a business problem and write clean and iterative code to deliver a powerful end result whilst consistently advocating for better engineering practices. By balancing strong opinions with a willingness to find the right answer, Senior Software Developers bring integrity to technology, ensuring all voices are heard.
For a team to thrive, it needs collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an aspirational tech vision and acting as mentors for more junior-level consultants. You will leverage deep technical knowledge to solve complex business problems and proactively assess your team’s health, code quality and nonfunctional requirements.
Job responsibilities
- You will learn and adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns
- 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 work in collaborative, value-driven teams to build innovative customer experiences for our clients
- You will create large-scale distributed systems out of microservices
- 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 efficiently utilize DevSecOps tools and practices to build and deploy software, advocating devops culture and shifting security left in development
- You will oversee or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between
- You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills
Job qualifications
Technical Skills
- You have experience using development languages (Front End: Typescript, React, Next.js; Back End: Nest.js/ Node.js) with experience in Object-Oriented programming
- You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
- You are comfortable with Agile methodologies, such as Extreme Programming (XP), Scrum and/or Kanban
- You have a good awareness of TDD, continuous integration and continuous delivery approaches/tools such as Terraform, AWS, EKS, Gitlab CI
- Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker
Professional Skills
- You enjoy influencing others and always advocate for technical excellence while being open to change when needed
- Presence in the external tech community: you willingly share your expertise with others via speaking engagements, contributions to open source, blogs and more
- You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
Other things to know
Thoughtworks's standard text
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.
Responsible Use of AI in Recruitment
At Thoughtworks, we use AI tools to support our recruitment team with administrative tasks such as drafting communications, scheduling interviews and writing job descriptions.
Crucially, our AI tools do not screen, assess, rank or make hiring decisions. Every application is reviewed by our team and all selection decisions are made exclusively by our interviewers and hiring managers.
We are committed to fairness and responsible AI. We actively manage our AI systems by testing, monitoring for biased outcomes and implementing mitigation measures. We hold our third-party vendors to these same high standards through a rigorous governance process. For additional information, please see our full Thoughtworks AI Policy for Recruitment.
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.
Thoughtworks's standard text
#LI-Hybrid
See here our AI policy.
What this role asks for
Particular to this role
GitLab · Nest.js · Next.js · Terraform
Rare in Thoughtworks's other 48 open postings.
Standard for full stack roles
AWS · CI/CD · JavaScript · Node.js · React · TypeScript
Common in full stack postings at any company.
74% of this description is written for the role. The rest is Thoughtworks's standard text, folded away below.
Compared with Thoughtworks's other open jobs.
The team: 1S_TWSGP DEC Region
This role is one of 12 open in 1S_TWSGP DEC Region. 10 were posted in the last 30 days.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Agile (9 of 12), AWS (7 of 12), Kubernetes (6 of 12), CI/CD (5 of 12), Docker (5 of 12), JavaScript (5 of 12), GitLab (4 of 12)
OTHER ROLES ON THIS TEAM
- Fullstack Developer (Vue.js, TypeScript, Node.js) posted Nov 4
- Fullstack Developer (React.js, Next.js, Nest.js) posted Nov 4
- Senior Full Stack Developer (Node.js & Cloud) posted Nov 4
- Fullstack Developer (Java, React.js) posted Nov 3
- Lead Infrastructure Engineer Consultant posted Oct 28
- Associate-Graduate:Developer posted Oct 27
- Principal Information Security Partner posted Oct 16
- Infrastructure Engineer posted Oct 15
- Senior Infrastructure Engineer (AWS, K8S, GitOps) posted Oct 15
- Infrastructure Engineer Consultant posted Sep 24
- Lead Quality Analyst posted Sep 14
From the team and dates on Thoughtworks's own job board.
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