Work Design is actually the application of socio and technical systems and its techniques for the humanization of work.
Work Design has a key impact on job satisfaction and productivity. This is because work design is aimed towards improvement in job satisfaction of an individual. It actually aims at rationalizing of work processes so that the employees can get maximum economic gains. Performance is improved through good human relations. Managers have a democratic approach and employees are consulted in related matters. Deserving employees get suitable rewards for their good performance.
All these things come in work design. Apart from that the structure of the processes also play a key role. This increases job satisfaction. And in turn employees work better and the productivity increases.