His performances for Rahmatganj, gave him a chance to represent Dhanmondi giants, Abahani Limited Dhaka, as a guest player during the 1994 Charms Cup in India.

It was at Arambagh where Alfaz regained his old form and after an impressive season at the club, in 1995, he was called up to the Bangladesh national team for the first time.

He also helped Mohammedan SC win the 1995 Federation Cup as they defeated his former club Abahani Limited Dhaka in the final.

In August 1996, Alfaz was named "AFC player of the month" for scoring four goals including a hat-trick in an 8–1 victory over Laotian club Electricity of Lao.

[9] Alfaz joined Kolkata giants Mohun Bagan in 2000, alongside Mohammedan teammate Imtiaz Ahmed Nakib.

[1] In 2004, Brothers Union, once recognized as the country's third-biggest club in the 80s, signed a plethora of local stars, including Alfaz, Arman Mia, Monwar Hossain, Rajani Kanta Barman and Biplob Bhattacharjee.

[10] After returning to Mohammedan in 2005, Alfaz scored against rivals Abahani and also assisted the first goal for Divine Chibiuka, during the final of the 2005–06 National League, as club captain.

[17] On 7 April 2013, at the age of 40, Alfaz retired from professional football after a glorious 28-year career which saw him win numerous trophies and individual honors with club and country.

After playing at Arambagh for a year, Korean coach Kang Man-young selected Alfaz for the 1995 South Asian Gold Cup squad, and handed him his senior international debut on 25 March 1995, against Pakistan.

However, during the 1999 South Asian Games which took place four months after the SAFF Cup ended, Bangladesh overcame India in the semi-finals and went on to win the final, against Nepal.

[23] On 12 February 2001, during the 2002 FIFA World Cup qualifiers held in Dammam, captain Alfaz displayed the best individual performance in his career, as Bangladesh defeated Mongolia 3–0.

His second goal was a solo effort, after receiving the ball on the right, he outpaced a defender, and cut inside to score from a tight angle and double his teams lead.

However, his return was short lived as he was dropped from the national team in 2008, for the 2010 FIFA World Cup qualification – AFC first round.

[25] On 17 May 2014, Alfaz served as the caretaker head coach of Mohammedan during the absence of Rui Capela during their 1–0 victory over Chittagong Abahani in the 2013–14 Bangladesh Premier League.

[26] On 11 November 2019, newly promoted Uttar Baridhara appointed Alfaz as the club's head coach, marking his first permanent position in the role.

The inexperienced Uttar Baridhara team were not able to score during all three group stage game, as Alfaz took the risk of playing local striker Sumon Reza.