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Ayush Kumar

Full Stack Software Engineer @ IG Group | Java · Spring Boot · Kafka · React · Microservices | Regulated Fintech: GDPR · DORA · PCI DSS · MiFID II | CSE Grad @ 2023

Bengaluru

3+ years of work experience

IG Group
Sep 20251 yrPresent

Bengaluru · Hybrid

• Drove a multi-year messaging modernization programme (2024-2026) from legacy JMS/ESB middleware to Apache Kafka and ActiveMQ: 10+ topics migrated end to end across 5 applications, covering Avro schema design, topic creation and producer/consumer integration. • Containerised and migrated 2 Java services onto HashiCorp Nomad across four environments (TEST/UAT/DEMO/PROD): built the Docker images and GitLab CI/CD pipelines, integrated Consul service discovery and Vault secrets, and coordinated changes across 6+ dependent applications. • Designed and delivered a CI/CD secrets-management solution (GitLab OIDC workload identity to HashiCorp Vault, injected at Maven build time) that removed 40+ hard-coded credentials across 10 applications; the pattern was adopted by other teams. • Implemented privacy-by-design remediation across 10+ services: removed PII and bearer tokens from application logs, replaced legacy password obfuscation with a stronger encryptor and remediated weak cryptography (DES), supporting GDPR compliance. • Root-caused a JVM memory leak (OOM/restarts) in a Kafka producer and eliminated recurring CPU/memory incidents generating roughly 10-20 incidents per week, taking recurring production incidents to zero; handled 67 P2-P4 incidents on-call. • Delivered regulated fintech features full stack, backend plus React screens: FATCA classification and corporate tax reporting via an asynchronous multi-sheet Excel report API, a PCI DSS call-recording control integrated with the Genesys telephony API, and negative balance protection aligned to ESMA/FCA CFD rules. • Introduced React into a legacy Ember application incrementally via iframe embedding, adding new admin and ops screens without a full frontend rewrite. • Implemented OpenTelemetry instrumentation with Grafana dashboards and SLOs across 10+ applications.
IG Group
Sep 20241 yr 1 moSep 2025

Bengaluru · Hybrid

• Owned two trading-critical platform migrations end to end across 5+ applications, from requirements through production cutover with zero client disruption, including a real-time market-data pricing migration; diagnosed and fixed a post-cutover incident that prevented stale trading data reaching downstream systems. • Migrated margin valuation from a legacy quote service to a new valuation service across two applications and exposed new margin and account REST APIs in the gateway layer. • Replaced Bamboo with GitLab CI across 4+ Java applications, cutting pipeline time from 37 to 19 minutes (49% faster), added JaCoCo coverage gates and post-deployment tests, and cleared a deployment blocker that had stopped all DEMO and LIVE releases of a gateway service. • Rationalised APM (AppDynamics) monitoring across 5 applications and onboarded observability for a newly containerised service.
IG Group
Sep 20231 yr 1 moSep 2024

Bengaluru · Hybrid

• Built a Spring Boot and Kafka data-ingestion service from scratch (Kafka, ZooKeeper, Spring Data JPA) persisting real-time trading data, with automated tests wired into CI/CD; sustains ~9.5M messages a day with zero steady-state consumer lag and consistently meets its 99.9% availability SLO. • Migrated team repositories from Bitbucket to GitLab and integrated multiple applications with the firm's observability platform.

Ayush’s AI Stack

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claude code
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Education

Sjb institute of technology

Bachelor of Engineering - BE, Computer Science

Sjb institute of technology

20194 yrs2023
Kerala Samajam Model School

Kerala Samajam Model School

200414 yrs2018

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Headline

Full Stack Software Engineer @ IG Group | Java · Spring Boot · Kafka · React · Microservices | Regulated Fintech: GDPR · DORA · PCI DSS · MiFID II | CSE Grad @ 2023

About

Full stack software engineer, 3 years at IG Group on a live trading platform. Mostly backend: Java and Spring Boot services, REST APIs and Kafka consumers, with React on the screens that sit on top. I take features end to end. Requirements with the business, design, build across both layers, testing, CI/CD and release, then production support once it is live. Recent work includes a Kafka ingestion service handling ~9.5M messages a day, client-facing regulatory reporting and margin APIs, and moving a trading estate off legacy JMS middleware onto Kafka. I have also containerised services onto HashiCorp Nomad and built the GitLab CI/CD and Vault secrets setup underneath them, and I carry on-call for what I ship. Regulated financial services means GDPR, DORA, PCI DSS and FATCA are part of the job. Open to relocation, including visa-sponsored roles.

Location

Bengaluru

AI stack

claude code

claude

Work experience

Full Stack Associate Developer at IG Group, Sep 2025 - Present · 1 yr, Bengaluru · Hybrid, • Drove a multi-year messaging modernization programme (2024-2026) from legacy JMS/ESB middleware to Apache Kafka and ActiveMQ: 10+ topics migrated end to end across 5 applications, covering Avro schema design, topic creation and producer/consumer integration. • Containerised and migrated 2 Java services onto HashiCorp Nomad across four environments (TEST/UAT/DEMO/PROD): built the Docker images and GitLab CI/CD pipelines, integrated Consul service discovery and Vault secrets, and coordinated changes across 6+ dependent applications. • Designed and delivered a CI/CD secrets-management solution (GitLab OIDC workload identity to HashiCorp Vault, injected at Maven build time) that removed 40+ hard-coded credentials across 10 applications; the pattern was adopted by other teams. • Implemented privacy-by-design remediation across 10+ services: removed PII and bearer tokens from application logs, replaced legacy password obfuscation with a stronger encryptor and remediated weak cryptography (DES), supporting GDPR compliance. • Root-caused a JVM memory leak (OOM/restarts) in a Kafka producer and eliminated recurring CPU/memory incidents generating roughly 10-20 incidents per week, taking recurring production incidents to zero; handled 67 P2-P4 incidents on-call. • Delivered regulated fintech features full stack, backend plus React screens: FATCA classification and corporate tax reporting via an asynchronous multi-sheet Excel report API, a PCI DSS call-recording control integrated with the Genesys telephony API, and negative balance protection aligned to ESMA/FCA CFD rules. • Introduced React into a legacy Ember application incrementally via iframe embedding, adding new admin and ops screens without a full frontend rewrite. • Implemented OpenTelemetry instrumentation with Grafana dashboards and SLOs across 10+ applications.

Associate Developer at IG Group, Sep 2024 - Sep 2025 · 1 yr 1 mo, Bengaluru · Hybrid, • Owned two trading-critical platform migrations end to end across 5+ applications, from requirements through production cutover with zero client disruption, including a real-time market-data pricing migration; diagnosed and fixed a post-cutover incident that prevented stale trading data reaching downstream systems. • Migrated margin valuation from a legacy quote service to a new valuation service across two applications and exposed new margin and account REST APIs in the gateway layer. • Replaced Bamboo with GitLab CI across 4+ Java applications, cutting pipeline time from 37 to 19 minutes (49% faster), added JaCoCo coverage gates and post-deployment tests, and cleared a deployment blocker that had stopped all DEMO and LIVE releases of a gateway service. • Rationalised APM (AppDynamics) monitoring across 5 applications and onboarded observability for a newly containerised service.

Graduate Engineer Trainee at IG Group, Sep 2023 - Sep 2024 · 1 yr 1 mo, Bengaluru · Hybrid, • Built a Spring Boot and Kafka data-ingestion service from scratch (Kafka, ZooKeeper, Spring Data JPA) persisting real-time trading data, with automated tests wired into CI/CD; sustains ~9.5M messages a day with zero steady-state consumer lag and consistently meets its 99.9% availability SLO. • Migrated team repositories from Bitbucket to GitLab and integrated multiple applications with the firm's observability platform.

Education

Bachelor of Engineering - BE, Computer Science, Sjb institute of technology

Kerala Samajam Model School

Ayush Kumar - Full Stack Associate Developer in Bengaluru | Tal