Ajay K.

Founder

India9 yrs 9 mos experience

Key Highlights

  • Over 9 years in software engineering.
  • Expertise in high-throughput distributed systems.
  • Proficient in Java, Spring Boot, and AWS.
Stackforce AI infers this person is a Backend-heavy Fullstack Engineer specializing in Fintech and SaaS solutions.

Contact

Skills

Core Skills

Performance OptimizationData VisualizationHigh-throughput SystemsMicroservices ArchitectureProject ManagementTeam LeadershipSoftware DevelopmentAgile MethodologiesData ManagementCollaboration

Other Skills

Agile PracticesAlgorithmsAmazon Web Services (AWS)Apache OlingoArgo WorkflowsBootstrapCC++Code RefactoringCode ReviewCoding StandardsCommunicationContainerizationData Check-tool DevelopmentData Models

About

9+ years of experience in software engineering, specializing in high-throughput distributed systems and performance optimization. Proficient in Java , Spring Boot , Scala , Spark , Kubernetes and AWS I write about technology and systems on my newsletter: https://ajaykaarangupta.substack.com/

Experience

9 yrs 9 mos
Total Experience
2 yrs 3 mos
Average Tenure
9 mos
Current Experience

Cimulink

Founder

Aug 2025Present · 9 mos · India · Remote

  • Helping businesses scale

Arcesium

Lead Software Engineer

Aug 2024Aug 2025 · 1 yr · Bengaluru, Karnataka, India · Hybrid

  • Boosted OData streaming performance by 70% and cut memory usage by 80%
  • with pagination to resolve OOM errors; contributed enhancements to the
  • Apache Olingo 4 serializer.
  • Integrated Looker via JDBC to enable secure data visualization with
  • fine-grained access controls.
  • Enhanced data pipeline reliability by implementing automated and manual retry
  • capabilities within Argo Workflows.
  • Automated end-to-end Looker Explore generation using Query Studio and
  • GitLab CI/CD, eliminating manual setup.
OData streaming performanceApache OlingoJDBCLookerArgo WorkflowsGitLab CI/CD+2

Slice

SDE3

Jul 2022Aug 2024 · 2 yrs 1 mo · Bengaluru, Karnataka, India

  • Engineered high-throughput, distributed rate limiter for a core banking system,
  • achieving a scale of 50 TPS while maintaining a P99 latency of under 90ms.
  • Led the development of core subscription, wallet, and ledger microservices.
  • Engineered a Scala/Spark analytics solution for the settlement service,
  • automating the FinOps reconciliation and settlement process (integrated with
  • Razorpay, Billdesk) and defining the full SDLC.
  • Re-architected the UPI recommendation service for high extensibility and
  • enhanced functionality.
  • Drove system reliability and efficiency: increased test coverage to 74%, cut
  • database latency by 20%, and reduced on-call workload by 40%. Stabilized
  • microservices by disabling OSIV (slashing connections 90% CPU 20%) and
  • implementing Circuit Breakers, while advancing Kubernetes auto-scaling
  • (HPA/KEDA).
  • Created a structured onboarding program to accelerate new hire integration.
Distributed SystemsScalaSparkMicroservicesKubernetesHigh-Throughput Systems+1

Pulse by prudential

SSE 2

Feb 2021Jul 2022 · 1 yr 5 mos · Remote

  • Managed the life cycle of an insurance policy management system, supervising
  • a team of three. Collaborated across teams to ensure seamless feature
  • integration and deployment.
  • Designed and implemented a recurring payment system to manage policy
  • payments based on pre-established mandates.
Insurance Policy ManagementTeam CollaborationProject ManagementTeam Leadership

Sap

2 roles

Developer (SDE2)

Promoted

Apr 2019Feb 2021 · 1 yr 10 mos

  • Working on designing a common read and write service layer for
  • multiple product entities shared by all consumers such as UI, import,
  • API and cross module integration.
  • Worked on deprecation of legacy process engine to migrate with
  • new mechanism. The development includes multiple dependencies
  • on other modules which needs to be tackled during migration.
  • Volunteered as scrum master to help team start following agile
  • practices & pioneered one-on-one feedback with scrum master.
Service Layer DesignAgile PracticesSoftware DevelopmentAgile Methodologies

Associate Developer (SDE1)

Jul 2016Mar 2019 · 2 yrs 8 mos

  • Collaborated with multiple teams to develop a data Check-tool for
  • the product, which helped almost 18% data issues detection before
  • customers face them.
  • Under EU GDPR policy requirement, took responsibility of
  • developing data retention time management tool, to support autonomous
  • and manual data purging. Helped 3 other pillar teams
  • to integrate it with their modules. Later adopted changes through
  • full design revamp for more cases, to align with changed customer
  • requirements.
Data Check-tool DevelopmentData Retention ManagementData ManagementCollaboration

Maq software

Summer Intern

May 2015Jun 2015 · 1 mo · Hyderabad Area, India

  • Worked on creating dynamic web pages using HTML and bootstrap.
  • Generated Selenium web-driver solutions to automate web-page
  • verification.
  • Pioneered use of Octopus deploy and documented solution for the
  • same.
HTMLBootstrapSelenium

Education

Indian Institute of Technology, Guwahati

Bachelor's degree

Jan 2012Jan 2016

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