Senior Developer (Node.js & TypeScript)

at  ThoughtWorks

We are looking for a highly skilled Senior Developer (Node.js) who brings not only technical expertise but also a product engineering mindset to join our team.
You will 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. You will play a pivotal role in building and scaling innovative solutions, working across both backend development and broader product lifecycle processes.

TECHNICAL SKILLS

• You have strong experience with Node.js and TypeScript (or JavaScript) in production environments.
• You might have experience using one or more development languages (Java, Kotlin, Ruby, C#, etc.) with experience in Object-Oriented programming.
• You have proven ability to design and build robust backend systems with a deep understanding of APIs, authentication and microservices architectures.
• You have experience working with cloud platforms, particularly AWS, and exposure to technologies such as containers (Docker), serverless computing (AWS Lambda), and queuing systems.
• You have hands-on knowledge of building real-time systems or systems that handle high concurrency and low latency.
• 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.

PROFESSIONAL SKILLS

• You enjoy influencing others and always advocate for technical excellence while being open to change when needed.
• You’re resilient in ambiguous situations and can approach challenges from multiple perspectives.
• You have a passion for creating efficient, scalable, and maintainable code.
• You have the ability to translate product requirements into technical solutions and communicate ideas clearly across both technical and non-technical stakeholders.
• Presence in the external tech community: you willingly share your expertise with others via speaking engagements, contributions to open source, blogs and more.

• You will develop, maintain, and optimize high-performance, scalable applications using Node.js and Typescript.
• You will take ownership of the product’s success by actively engaging in product discussions, understanding user needs, and proposing solutions that align with both technical and business objectives.
• You will implement API services (REST, GraphQL) and integrate third-party APIs with a focus on performance, security, and scalability.
• You will learn and adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns.
• You will work in collaborative, value-driven teams to build innovative customer experiences for our clients.
• You will efficiently utilize DevSecOps tools and practices to build and deploy software, advocating devops culture and shifting security left in development.
• You will optimize backend services for high concurrency, low latency, and redundancy to meet product requirements and ensure the system’s robustness.
• You will contribute to CI/CD pipelines and cloud-based deployments (preferably AWS), improving automation and system reliability.
• 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.