Sunayana Mallick

Software Engineer

Kolkata, West Bengal, India11 yrs 10 mos experience

Key Highlights

Expert in Java development with extensive backend experience.
Led successful microservices transformation projects.
Strong leadership skills with team management experience.

Stackforce AI infers this person is a Backend-heavy Software Engineer with expertise in SaaS and Enterprise Software development.

Contact

sunayana.mallick@outlook.com LinkedIn

Skills

Core Skills

Java DevelopmentAgile Methodologies

Other Skills

RESTful WebServicesSoftware Solution DevelopmentREST APIGraphQLJavaMicroservicesBack-End Web DevelopmentBusiness RequirementsJava 8Java 11Object-Oriented Programming (OOP)Kafka StreamingLine Management ExperienceSpring BootREST microservices

About

At LTIMindtree, my focus as a Software Engineering Specialist encompasses leading backend application development and enhancing agile processes. My recent work at Cirium has honed my expertise in Java, particularly in creating robust financial applications that meet stringent performance metrics. Our team's collaborative spirit has been pivotal in forging strong stakeholder relationships and delivering solutions that bolster the company's commitment to excellence. My pursuit of technological advancement is reflected in my readiness for Java upgrades, ensuring we remain at the forefront of innovation.

Experience

Ltm

Software Engineering Specialist

Aug 2024 – Present · 1 yr 7 mos · Kolkata, West Bengal, India · Hybrid

Architected and developed an enterprise asset management module for strategic asset replacement planning.
Delivered features including asset-level recommendations, cost estimation via OPA Rule Engine, manual adjustments, and contextual note capture using REST API and GraphQL.
Designed workflows for issue creation, assignment, audit trail logging, and request generation.
Implemented lifecycle score-based recommendation logic and dynamic asset attribute visibility.
Developed dashboards for cost aggregation, missing data indicators, and bulk updates.
Integrated role-based access control and IFM Hub portal widgets for visual analytics and asset tracking.
Led microservices development for Ancillary Marketplace, adding functionalities to catalogue-items, payment-service, and order-service.
Integrated third-party products into Qatar Airways marketplace (eSIM, Excess Baggage).
Designed high-level and detailed technical solutions aligned with business needs.
Established testing strategies and deployment plans, collaborating with global teams.
Developed Backend for Frontend (BFF) application using Java 21 with REST APIs and GraphQL integration.
Enhanced performance via asynchronous processing and parallel streaming.
Played an active role in agile ceremonies and supervised team members.

RESTful WebServicesSoftware Solution DevelopmentJava DevelopmentAgile Methodologies

Career break

Caregiving

Aug 2023 – Jul 2024 · 11 mos · Southampton, England, United Kingdom

Career Break to support family.

Cirium

Senior Software Engineer

Feb 2023 – Aug 2023 · 6 mos · City Of Southampton, England, United Kingdom · On-site

Developed and maintained aerospace applications using Java 8 and 11.
Implemented new features, optimized existing ones, and ensured code quality through testing and reviews.
Acquired knowledge of Java 17 and 21 features and prepared upgrade plans.
Participated in agile lifecycle activities and maintained stakeholder communication.

Back-End Web DevelopmentBusiness RequirementsJava DevelopmentAgile Methodologies

Bt

Senior Software Engineer

Mar 2022 – Feb 2023 · 11 mos · Greater London, England, United Kingdom · On-site

Designed scalable solutions and developed REST API endpoints.
Integrated Kafka Streaming for third-party file upload functionality.
Led unit and integration testing, code reviews, and participated in requirements gathering.
Learned containerization (Docker, Kubernetes), CI/CD pipeline setup, and GCP cloud technologies

Back-End Web DevelopmentObject-Oriented Programming (OOP)Java DevelopmentAgile Methodologies

Tata consultancy services

3 roles

Senior Java Developer

Sep 2019 – Dec 2021 · 2 yrs 3 mos

Transformed a monolithic application into microservices architecture using Spring Boot.
Designed and implemented REST microservices with Swagger/OpenAPI documentation.
Managed a team of 10 developers, overseeing planning, resource allocation, and mentoring.
Participated in requirements gathering and supervised team performance.
Extensive experience in Java RESTful API development and SQL/PLSQL.

Back-End Web DevelopmentLine Management ExperienceJava DevelopmentAgile Methodologies

Primavera Unifier Developer

Promoted

Jul 2016 – Nov 2019 · 3 yrs 4 mos

Led a team of over 10 offshore resources delivering projects.
Involved in requirement analysis, technical design, and development.
Designed custom components and developed business processes for Contracts and Payments Module.
Prepared design documents, training materials, and unit test plans.
Supported functional testing of solutions.

Line Management ExperienceBusiness Requirements

Oracle Application Technical Developer

Feb 2013 – May 2017 · 4 yrs 3 mos

Developed inbound and outbound interfaces for Order Import into Oracle OM.
Created concurrent request sets and scheduled order import interfaces.
Developed SQL loader scripts and worked on data conversions from legacy systems to Oracle ERP.
Implemented stored procedures, functions, triggers in PL-SQL for complex business rules.
Customized Oracle Forms and worked extensively on Oracle Form Personalization.
Involved in performance tuning and report development.

Business RequirementsTeamwork