Sundaram Tiwari

Senior Software Engineer

Varanasi, Uttar Pradesh, India10 yrs 11 mos experience

Key Highlights

  • Designed scalable backend services with 99.99% uptime.
  • Optimized database performance, reducing query response time by 60%.
  • Migrated legacy systems to microservices on AWS.
Stackforce AI infers this person is a Backend Engineer specializing in high-performance APIs and microservices architecture.

Contact

Skills

Core Skills

JavaScalaDatabase OptimizationAwsSpring Boot

Other Skills

AlgorithmsAmazon Web Services (AWS)Cascading Style Sheets (CSS)CassandraCommunicationDocker ProductsElasticSearchFreemarkerHTMLHandlebars.jsJSONJUnitJavaScriptJenkinsJetty

About

Senior Backend Engineer | Java | Spring Boot | Microservices | AWS | Remote Developer I am a Senior Backend Engineer with 12+ years of experience in Java development, distributed systems, and cloud-native applications. Over the years, I’ve built and scaled backend platforms serving millions of users, specialising in high-performance APIs, microservices architecture, and database optimisation. My expertise covers: ✅ Programming & Frameworks: Java, Spring Boot, Spring Cloud, Hibernate ✅ Architecture: Microservices, Event-Driven Systems, Scalable APIs, System Design ✅ Databases & Caching: PostgreSQL, MySQL, Redis, MongoDB ✅ Cloud & DevOps: AWS (EC2, S3, Lambda, RDS, CloudFormation), Docker, Kubernetes, CI/CD ✅ Other Skills: Performance Tuning, Security Best Practices, Agile & Remote Collaboration 🔹 Career Highlights: • Designed and implemented scalable backend services with 99.99% uptime • Optimised database performance, cutting query response time by up to 60% • Migrated legacy monoliths to microservices on AWS, reducing infra costs • Mentored junior developers and led distributed engineering teams I am actively open to remote opportunities worldwide (US, EU, APAC) and excited to contribute to high-growth startups and enterprises needing scalable backend architecture and leadership. 📩 Let’s connect if you’re hiring for Senior Backend Engineer, Remote Java Developer, or Tech Lead roles.

Experience

Truecaller

2 roles

Senior Software Engineer

May 2023Mar 2024 · 10 mos

  • Scala, Java, Play, grpc, Cassandra, Kafka, Redis, Kubernetes etc
ScalaJavaPlaygrpcCassandraKafka+2

Senior Software Engineer

Dec 2022May 2023 · 5 mos

Database OptimizationScalaCommunicationUser StoriesPython (Programming Language)Problem Solving+5

Klarna

3 roles

Competence Lead

Aug 2021Aug 2022 · 1 yr · Stockholm, Stockholm County, Sweden

Database OptimizationCommunicationUser StoriesPython (Programming Language)Problem SolvingTechnical Solution Design+4

Senior Engineer

Apr 2021Aug 2021 · 4 mos · Stockholm, Stockholm County, Sweden

  • Java 11, springboot, Redis, AWS, Docker, Jenkins, Splunk, Jira, Confluence, Agile scrum etc.
Database OptimizationCommunicationUser StoriesProblem SolvingTechnical Solution DesignTerraform+5

Senior Engineer

Aug 2020Jan 2021 · 5 mos · Stockholm, Stockholm County, Sweden

  • Java 8, dropwizard, springboot, Redis, AWS (Elasticache, Dynamodb, Postgres, ASG), Docker, Jenkins, Splunk etc.
Database OptimizationCommunicationUser StoriesProblem SolvingTechnical Solution DesignTerraform+5

Talabat

Senior Software Engineer

Apr 2020Jul 2020 · 3 mos · Dubai, Dubai, United Arab Emirates · Remote

  • I worked in the search & discovery team.
Database OptimizationDocker ProductsFreemarkerMaven

Zalando se

Software Engineer

Aug 2019Feb 2020 · 6 mos · Berlin Area, Germany

  • Java 8, Springboot, Postgress, Docker, Kubernetes, Jenkins, Apache Tomcat, AWS (EC2, EMR, S3) etc.
Database OptimizationCommunicationProblem SolvingTechnical Solution DesignSpring BootAlgorithms+3

Walmart labs

Senior Development Engineer

Jul 2018Jul 2019 · 1 yr · Bengaluru Area, India

  • Java 7, Spring boot, MariaDB (fork of MySql), Solr, Cassandra, Redis, Activity workflow, Apache Tomcat, OneOps.
Database OptimizationCommunicationProblem SolvingTechnical Solution DesignAlgorithmsDocker Products

Nobroker.com

Senior Software Engineer

Jun 2016Jul 2018 · 2 yrs 1 mo · Bangaon Area, India

  • Java 7, Spring 4, Hibernate, Elasticsearch, Redis, MongoDB, MySql, Jenkins, Firebase RealtimeDatabase, Freemarker, Apache Commons SCXML, bootstrap js/css, Docker, Ngnix, Jetty, DigitalOcean, etc.
Database OptimizationCommunicationProblem SolvingTechnical Solution DesignAlgorithms

Cleartrip.com

Software Engineer

Sep 2014May 2016 · 1 yr 8 mos · Pune Area, India

  • Java 6, Spring 2.5, Oracle, MySql, Redis etc.
Database OptimizationCommunicationProblem SolvingTechnical Solution DesignAlgorithms

Mindtree ltd.

2 roles

Senior Engineer

Mar 2014Aug 2014 · 5 mos · On-site

  • Java 5, Spring 3.0, Hibernate, MySql, jMeter, Tomcat 7, Jenkins.
Database OptimizationCommunicationProblem SolvingAlgorithms

Programming Analyst

Nov 2011Feb 2014 · 2 yrs 3 mos · On-site

Database OptimizationCommunicationProblem SolvingAlgorithms

Education

Vishveshwarya Group of Institutions

Bachelor of Technology - BTech — Computer Science

Jan 2007Jan 2011

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