Harshalkumar Vitthal Aher

Harshalkumar Vitthal Aher

Digital and product strategy consultant with ~6 years of experience partnering with senior leaders to diagnose bottlenecks, design value-led strategies, and deliver large-scale digital and product initiatives across BFSI, public infrastructure, and proptech. Skilled in problem structuring, business cases, roadmap definition, and stakeholder alignment, achieving $11M+ revenue opportunities, major cycle-time reductions, and scalable cloud, data, and enterprise-platform foundations.

Work Experience:

5.10 Years

Industry:

Consulting | Technology

Function:

Consulting & Strategy | Data Science & Analytics | Product Management

Work Experience

Thoughtworks (A global technology consultancy providing software design and delivery, and consulting services) | Mumbai

  • Senior Developer Consultant
    Collaborated with senior stakeholders to diagnose business bottlenecks, shape solution strategies, and unlock multi-million-
    dollar value across public infrastructure, financial services, and real-estate technology
    • Delivered Multi-Market Digital Modernization for Australia’s Leading Property Settlement Platform
      • Led early-stage discovery and solution strategy for a world-leading digital property settlement platform, identifying friction in multi-party workflows and architecting a real-time notification engine estimated to unlock $11.1M in
        annual revenue.
      • Designed a scalable cross-market validation microservice, improving data integrity by 95% and reducing transaction
        rejections by 80% across AU and UK workflows.
      • Established Infrastructure-as-Code security and reliability baselines, including KMS encryption, secure parameterization, and automated CI/CD pipelines, to deliver 99.9% uptime across microservices.
      • Collaborated with infrastructure and observability teams to implement core monitoring and alerting tools (SignalFx,
        PagerDuty, AppDynamics), reducing non-production downtime by 20% and decreasing production issues by 20%.
      • Championed testing framework, reducing product defects by 50%, enhancing reliability, and accelerating project
        timelines by two weeks.
      • Led mentorship efforts for a total of 12 team members, training a group of 10 on AWS best practices to improve cloud security and onboarding two new members on the tech stack to accelerate their productivity.
      • Boosted Document API efficiency via JSON output, eliminating 20 hours/week manual extraction and streamlining workflows.
    • Drove MVP-led digital asset development for a digital public infrastructure platform funded by Global Philanthropists
      • Secured a major public-sector engagement by delivering a 2-week MVP for an automated billing system for a global
        Digital Public Infrastructure (DPI) foundation, validating the solution through rapid user feedback.
      • Redesigned an end-to-end wage-management workflow, automating multi-tier approvals and banking integrations to
        reduce wage disbursal timelines by 66% and improve operational efficiency.
    • Enhanced efficiency and governance for a leading Indian NBFC, cutting technical debt and speeding up onboarding
      • Accelerated revenue realization by $30K by leading inception workshops and bi-weekly stakeholder demos, reducing onboarding time by 15% and improving launch readiness.
      • Institutionalized engineering governance and clean-code practices, reducing technical debt and defect density by 25%, enhancing maintainability and delivery credibility across modernization programs.
      • Negotiated scope, timelines, and delivery expectations with senior stakeholder groups, eliminating scope creep and
        optimizing team throughput through structured technical–business alignment.
      • Designed and implemented a voucher-generation system that segregated payments and accelerated client disbursals, improving efficiency by 30%, and built a printer module for rapid cheque printing on existing dot-matrix hardware, eliminating manual intervention and reducing labour by 90%.

 

Tata Consultancy Services (A leading global IT services provider offering IT consulting, having a revenue of $29.1 billion and 600k+ employees globally) | Mumbai

Strengthened security, data, and billing ecosystems across public utilities and EdTech, driving multimillion-dollar risk reduction, accelerating payments, and elevating engineering governance for large-scale digital platforms.

  • Public Utilities Billing Transformation
    • Delivered a redesigned billing experience using consumption analytics and A/B testing, accelerating payment cycles and reducing service inquiries, driving an estimated $1.8M annual revenue uplift.
    • Optimized ~2 TB of data using scripting, reducing development time and improving data accuracy.
  • TCS iON – EdTech & Examination SaaS Ecosystem
    • Strengthened enterprise-wide security posture, mitigating critical vulnerabilities and avoiding an estimated $1.5M
      annually in potential breach-related losses.
    • Standardized security governance by creating a reusable fixes library and training teams across 15 product lines,
      accelerating remediation and ensuring consistent secure-code adoption.
    • Reduced security defects by 70% by embedding SAST/DAST (Fortify, Acunetix) into early development cycles, shifting the organization from reactive patching to proactive assurance.
    • Avoided $0.2M annually in remediation costs by embedding penetration testing and SDLC-integrated security checks.
Accomplishments
  • Awarded ‘TCS Star of the Month’ for leading crisis management: solely driving defect resolution across five major releases within two weeks, ensuring governance and stable client deployments.
Education
  • B.E. (EXTC) – Ramrao Adik Institute of Technology, Mumbai
Certification
  • AWS Certified Cloud Practitioner
Extra-curricular
  • DY Patil T20 Tournament (2019): Directed large-scale logistics and operations for 1500+ attendees, coordinating
    multi-vendor operations and ensuring seamless event execution.
  • TCS HackQuest (2019): Led program management and technical governance for 200+ participants, designing
    readiness strategy to identify top cybersecurity talent.
  • Bhabha Atomic Research Centre (2018): Engineered a web-based interface to streamline data analysis and detector acquisition for internal projects.