Led the restoration and renovation of traditional house in coastal areas of Bangladesh.Led the teamfor slum reconstruction in Karail and Saattola slums in Dhaka City.Managed a drop-in-centre for street children of Dhaka city. Provided night shelter, basic education, recreation, and micro- savings facilities to more than 300 street children of Dhaka city.Worked as the Team Leader for design of Social Development Center at Sadarghat, Dhaka. Providing voluntary assistance to the "Riviving Ichamoti River" initiative in Pabna, one of the municipality of Bangladesh. Worked as a Project Manger, Pro-Poor Slum Integration Project with BRAC University, supported by the World Bank. Worked as a Land Use Planning Expert, Land Governance Assessment Framework (LGAF) project for BRAC Development Institution, supported by the World Bank (March 2013 to July 2013). Providing architecture design and management inputs to different ongoing architectural design projects- institutional buildings, low-cost housing project in Ashulia, international school in Sylhet, residences etc.

Led Government of Timor-Leste to develop WASH in HCFs National Standards. Conduct WASH in HCFs assessment in different levels of Health Care Facilities in Timor-Leste; and Design child and pregnent women friendly WASH Facilities.

Provide strategic supervision and develop design for climate resilient shelter project in Bangladesh.

Led the Urban Infrastructure Services team to manage the urban WASH project activities including CLTS, compost plant and hygiene behavior change programming;Develop renewable energy program documents and develop proposal on renewable energy; andProvide strategic supervision for the design and implementation of climate resilient shelter project for the flood displaced prople in Bangladesh.

# Develop, ensure funding and implement the Urban Water Supply, Sanitation and Hygiene Promotion project in 5 cities of Eastern Indonesia.# Develop integrated hygiene promotion, environmental sanitation and water supply programme for the un-served rural as well as urban slums in Indonesia. # Support the post Tsunami emergency and particularly for the development phase for environmental sanitation activities in Tsunami and earthquake affected Aceh, Yogyakarta and Central Java. # Develop hygiene and sanitation promotion communication strategy in emergency situation and develop communication materials (mass media and interpersonal communication) on WASH in community and schools for the national programme in Indonesia, # Initiate the KAP baseline survey on sanitation, hygiene and safe water use in two provinces through local provincial level universities. # Provide technical support to government and other partners at the national, regional and provincial levels in planning, development and implementation of the environmental sanitation and hygiene promotion activities.

Initiate, develop and implement WASH Urban project;Develop sanitation behavior change WASH programming for UNICEF;Develop capacity of NGOs and development partners on Behavior based programming;develop Solid waste management including composting with municipalities in Bangladesh;Lead the National Sanitation Campaign on behalf of UNICEF Bangladesh;Manage nation-wide census on Sanitation in Bangladesh; Raise funds for WASH in urban areas in Bangladesh;provide post emergency support to floof affected urban areas of Bangladesh; and provide policy and advocacy support for the development of National Sanitation Policy.

As a Project Coordinator of Sanitation and Family Education Resource Project, was responsible for the overall technical, financial, administrative and reporting requirements to support the smooth implementation of the project activities.

As a planning team member responsible for building capacity of government counterparts on planning and physical infrastructure development.Initiated a participatory infrastructure development pilot project (Land Readjustment) in fringe area of Dhaka city. the small plot owners united together to developed basic infrastructure (road, playground and bazar) as a result of the motivational drive.

Responsible for planning and design of various residential buildings, auditorium, mosque and lake side development of National Botanical Garden, Mirpur. Responsible for overall Architecture and Planning team and preparation of project proposal and reports.