Thoughtworks · Bucharest - Dorobanti, Romania; Cluj, Romania; Iasi, Romania · posted 10/6/2026

As a Senior Application Support Engineer you will play a critical role in ensuring the operational efficiency, stability and availability of complex application systems. You will contribute significantly to operational success, refine your expertise in incident management and DevOps and leave a lasting impact on the delivery of inventive solutions to our clients. Job responsibilities - You will use your skills in incident management processes and tools, application monitoring metrics and tooling to generate reports and take corrective actions. - You will understand complex application systems and find your way through them to debug a business impacting issue. - You will follow standards and best practices to bring operational efficiencies, stability and availability of the system. - You will use continuous delivery practices to evolve, support and deliver high-quality software, as well as value to end customers, as early as possible while working in a collaborative, value-driven teams to build innovative customer experiences for our clients. - You will leverage your knowledge regarding the different logging techniques (various levels) and use them for alerting, monitoring and identifying the root cause of incidents. - You will efficiently use DevOps tools and practices to deploy and run software. - You will act as a mentor for less experienced peers through both your technical knowledge and leadership skills. - You will apply the latest technology thinking from our Technology Radar to solve client problems. Job qualifications Technical Skills - You have experience working on programming languages such as Java or .Net, an understanding of cloud platforms such as AWS, Azure or GCP and scripting languages such as Python or Powershell. - You have a high-level understanding of various architectures such as monolithic, N-tier, layered, microservices and serverless. - You must possess strong debugging and triaging skills to troubleshoot code effectively. - You have experience working with relational databases such as MS SQL, MySQL or PostgreSQL. - You have experience working with containerization tools such as Docker and CI/CD tools such as Jenkins and Azure pipelines. - You have experience working with relational or non-relational databases. - You have an understanding of application monitoring tools such as DataDog, Prometheus or Grafana, the different metrics that go with it and are able to generate reports and take corrective actions. - You have the ability to ensure that the deliverables, namely bug fixes and enhancements to the existing codebase, are high-quality and well-tested. - You are comfortable with Agile methods, such as Scrum and/or Kanban. Professional Skills - You enjoy influencing others and always advocate for technical excellence while being open to change, when needed. - You have good communication and articulation skills. - You have a presence in the external tech community and willingly share your expertise with others via speaking engagements, contributions to open source, blogs and more. - You are resilient in ambiguous situations and can approach challenges from multiple perspectives. - You advocate for and implement cloud best practices in the areas of resource optimization, monitoring and alerting. - You advocate for security best practices and implementation of the same. - You can guide and mentor junior-level consultants. - You are willing to be part of a rotation- and need-based 24x7 available team. 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. 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. #LI-Hybrid Salary Benefits: https://www.thoughtworks.com/careers/benefits The annual salary range posted is subject to many factors and may vary depending on experience, geographic location, job responsibilities, performance, skills and/or training. Salary 10.000 Lei—11.500 Lei RON See here our AI policy.

Senior Application Suport Engineer

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