Java (JSP, Servlet) Developer

Position : Lead – Java Full Stack Developer

Experience : 7 to 12 Years

Location : Kochi / Thiruvananthapuram / Remote

Notice Period : Immediate to 15 Days

Open Positions : 1

Role Overview :

We are looking for a Lead Java Full Stack Developer with strong expertise in Java (Java 21, Spring Boot, and Hibernate), Angular (v19), and AWS to lead agile scrum teams and drive end-to-end feature delivery.

Key Skills Required :

• Java 21, Spring Boot MVC, Spring Data, Hibernate, Gradle
• Angular 19, HTML5, CSS3, JavaScript, REST APIs
• PostgreSQL / RDBMS / NoSQL
• AWS services: S3, Secrets Manager, CloudWatch
• CI/CD (Jenkins, GitHub), Docker
• Unit Testing (Jasmine/Karma or Jest)
• Tools: JIRA, Azure DevOps, Confluence
• Strong in design patterns, OOPs concepts, and performance optimization
• Excellent debugging and communication skills

Responsibilities :

• Design, develop, and deploy scalable full stack solutions
• Lead sprint tasks, perform code reviews, and ensure code quality
• Collaborate with stakeholders and convert requirements into technical specs
• Participate in Agile ceremonies and follow DevOps/CI-CD best practices
• Guide team members and promote technical best practices

Interview Process :

1. Technical Round
2. 2–3 Technical Rounds
3. Final Technical Discussion

Role Summary:

We are looking for a hands-on Java Solution Architect to design and lead scalable, secure, event-driven platforms. The ideal candidate has deep expertise in Java/Spring Boot microservices, Kafka, Redis/KeyDB, and open-source databases (Cassandra, PostgreSQL), with experience building high-throughput, low-latency systems.

Experience- 10+yrs

Key Responsibilities

• Architecture & Design
• Define service boundaries using DDD; create service contracts and API specifications.
• Design Kafka-based event flows (topics, partitions, retention, DLQs, idempotency).
• Choose fit-for-purpose storage (Cassandra vs PostgreSQL) for workloads:
• Cassandra for time-series, high write throughput, and horizontal scaling.
• PostgreSQL for transactional integrity, complex joins, and reporting.
• Engineer caching strategies using Redis/KeyDB (read-through/write-through, TTL, eviction).
• Establish NFRs (performance, availability, RPO/RTO) and capacity planning.
• Security & Compliance
• Implement OAuth2/OIDC, mTLS, token-based auth, key rotation, encryption at rest/in transit.
• Work with InfoSec/AppSec for threat modeling, VAPT, secure SDLC integration.
• DevOps & Observability
• Drive CI/CD pipelines (blue/green/canary), container orchestration (Kubernetes).
• Define SLOs/SLIs; implement metrics, logs, traces; promote proactive alerting.
• Governance & Standards
• Publish architecture guidelines, coding standards, and API governance (versioning, deprecation).
• Champion documentation (ADR, sequence diagrams, data flow, runbooks).
• Mentoring & Leadership
• Coach engineers; conduct design/code reviews; lead PoCs and migrations.
• Collaborate with Product/Delivery to align scope, timelines, and risk mitigation.

Required Technical Skills (Deep Expertise)

• Java: Java 17+, Spring Boot, Spring Cloud, reactive programming (WebFlux).
• Microservices: API Gateway, service mesh (Istio/Linkerd), resilience (Resilience4j).
• Kafka: Kafka Connect, Streams, consumer lag management, schema registry (Avro/JSON).
• Redis/KeyDB: Cluster configuration, HA, persistence (AOF/RDB), pub/sub and streams.
• Databases:
• Cassandra: Data modeling (partition keys, clustering), consistency levels, compaction strategies.
• PostgreSQL: Indexing strategies, partitioning, query planning, isolation levels, VACUUM.
• Cloud & Infra: Docker, Kubernetes, Helm/Terraform; AWS/Azure/GCP (EKS/AKS/GKE).
• Observability: Prometheus, Grafana, ELK/EFK, OpenTelemetry.
• Security: JWT, mTLS, secrets management (Vault/KMS), OWASP Top 10, compliance-aware design.

Soft Skills

• Strong stakeholder communication; ability to simplify complex technical decisions.
• Ownership mindset; risk identification and mitigation.
• Mentorship; collaborative leadership across cross-functional teams.

• Software Engineering
  • Design and develop highly scalable, available, reliable, secure and fault tolerant systems with minimal guidance for a market leader in the logistics industry
  • Partner with team members on functional and nonfunctional requirements and spread design philosophy, goals and improve the code quality across the team
  • Research new technologies and tools that enable building the next generation of our services
  • Provide technology leadership to the team and foster engineering excellence
• Product Delivery
  • Partner with product managers to define and execute on the feature roadmap
  • Translate business requirements into scalable and extensible design
  • Coordinate with various cross functional teams on planning and execution
  • Maintaining automated build / test / deployment environments

• Software Engineering
  • Deep knowledge of one of the programming language they have experience in
  • Proficient in OOP and Design Patterns, experience with functional programming would be a plus
  • Data modelling experience in Relational Databases
  • Ability to design and implement low latency RESTful services
• Product Delivery
  • Ability to scope, review and refine user stories for technical completeness and to alleviate dependency risks.
  • Well versed in working with agile methodologies which includes phases such as design, development, code review, testing and release management
  • Ability to have worked in a CI/CD environment, with hands on experience with Git or any similar source code management tools
• Product Maintenance
  • Experience troubleshooting server performance issues such as memory tuning, GC tuning, resource leaks etc
  • Continuously refactor applications to ensure high quality design

Job Description:
      We are looking for a self-starter/ Back End Developer who can work well with minimal guidance and in a fluid environment. Proficient at programming and interacting with APIs and good knowledge of RESTful design. Customer-focused reacts well to changes, works with teams, and is able to multitask. A natural communicator who can articulate and express thoughts and explain technical concepts in clear, plain English (both written and verbal)

Key Responsibilities: 

Hands-on experience in different technologies and languages such as JavaScript, NodeJS, MongoDB, Express JS, MySQL, REST API, Web Services/REST/JSON, MVC Framework to develop Web /mobile applications. Participating in the design and creation of scalable software. Writing clean, functional code on the back-end. Testing and fixing bugs or other coding issues

Position Type: Full-Time

Educational Qualifications: B.Tech/B.Sc/MCA/Relevant Degree in Computer Science.

Experience: 3+ years of hands-on experience in Backend

Reports to: Development Manager

Roles & Responsibilities:

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation
• Work with data scientists and analysts to improve software
• Excellent scoping and estimation skills

Skills and Responsibilities:

• Proven experience as a Backend Developer or similar role
• 4+ years of hands-on software engineering experience in Node.js and Typescript

(Including Express, Feathers.js, and/or Nunjucks)

• Strong understanding of node modules, npm, nodemon.
• Strong understanding of production systems and Cloud deployments, especially in AWS
• Good understanding of test frameworks like Chai, Mocha, and Sinon
• Good understanding of javascript concepts like Promises and Async-Await
• Deep understanding of mobile backend infrastructure including service-oriented or

microservice architecture.

• Strong experience using a client-side MVC framework such as NodeJS, NextJS, Redux.Good experience working on Backend.
• Ensure the technical feasibility of UI/UX designs.
• Experience with filesystems, server architectures, and performance tuning
• Building reusable code and libraries for future use
• Experience in a relational database and version control tools and integration of third.
• Maintain existing code base including troubleshooting of issues and fixing bugs.
• Experience developing desktop and mobile applications
• Developing and implementing highly responsive user interface components using react
• Strong knowledge in databases MySQL, MongoDB, web servers Apache, and UI/UX design.
• Top-notch programming skills and write code for robust software design.
• Experience in responsive design, cross-browser compatibility, and website performance.
• Knowledge of performance testing frameworks including Mocha and Jest
• Aggressive problem diagnosis and creative problem-solving skills.
• Good understanding of how browsers and DOM work.
• Experience with handling Services, RESTful, APIs.
• Excellent communication and teamwork skills
• Great attention to detail and organizational skills
• An analytical mind and problem-solving skills.
• F&B (Food and Beverages) domain experience is a plus.
• Monitoring and improving front-end performance
• A passion for new consumer technology and the emerging media landscape
• F&B (Food and Beverages) domain experience is a plus.
• Keywords skill sets:- Node Js, Express Framework, Feathers Js, JavaScript, PHP, MVC Framework, REST API, Web Services/REST/JSON, MySQL, MongoDB, AWS

Java Elastic Search

• Java Microservices ELK stack(Elasticsearch, Logstash, Kibana, Beats, X-Pack, APM),
• Build Custom Reports

Java + NodeJS

• Java with Node.js- Microservices Development,
• Using graphql with node.js,
• Backend development with Node.JS

Java Microservices

• Working experience in Java and spring boot (microservices)
• Strong understanding of OOPs concepts
• Proficient in API design and development using RESTful services
• Knowledge and understanding of design principles behind building a scalable application
• Source code management using git

Job Title: Senior Java Developer

Department: Technology and Research

Reports to:  Technical Lead

Context

Sampana Digital (SDPL) (http://www.sampanadigital.com">www.sampanadigital.com)  is a digital technology company that provides end-to-end product engineering and digital transformation services. Our engineering services includes web & mobile application development, user experience design, cloud, testing and infrastructure managed services to transform businesses digitally. We also enable enterprises with contextual and personalized two-way multi-channel mobile communications, including SMS, voice, email and PWA technology.

We believe in small teams of smart, committed, and diverse individuals coming together and form a breakthrough insight. We are a team of passionate professionals to craft an unbeatable culture and services.

Come and join us!   

Role Description

We are looking for a Senior Java Developer with experience in building high-performing, scalable, enterprise-grade applications.

You will be part of a talented software team that works on mission-critical applications, and your roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.

Job Responsibilities:

• Work with and direct the team’s software engineers in setting the standards for coding, testing and software quality
• Collaborate closely with the team’s BAs on the efficient transition of BDD’s and Swaggers to the engineers as part of the overall workflow.
• Oversee and manage the scope, timeline, and goals forth delivery of working software
• Oversee and assist in the production of comprehensive documentation
• Oversee and provide support to production cutovers and migrations as required
• Lead the analysis and resolution of technical and application problems
• Supporting the Scrum Master
• Participate in and support backlog grooming, sprint planning, daily stand-ups, reviews, retrospectives, release planning, demos and other Scrum related meetings
• Provide clear reporting on the status of the scope, timeline and progress for the delivery of working software
• Assist in setting up a robust out of hours support process
• Assist in the prioritisation of bugs and defects
• Providing Guidance and Mentoring
• Participate in peer reviews of solution designs and related code
• Provide technical leadership to the teams’ software engineers through coaching and mentorship
• Identify and encourage areas for growth, education and development within the team

General

• Self-Starting Leader capable or working under pressure
• Curious and engaged in Continuous Learning and Professional Development
• Strong DevOps experience
• Java and Spring Developer with +5 years’ experience with the following skills
• Java 1.8+
• Spring
• Microservices with Spring-boot
• Spring cloud config
• Unit tests with Spring-boot
• Docker
• Openshift/Kubernetes
• Basic understanding of API gateways
• OpenAPI (Swagger) specification.

Understanding of basic networking concepts

• Integration into backends via various protocols (SOAP,REST, XML-RPC etc) 
• CI/CD (Jenkins, pipelines etc)

The following additional skills would be advantageous:

• Spring reactive
• APIGEE
• Azure DevOps
• Pivotal Kubernetes
• Linux
• Azure Pipelines

At BACQ, our mission is to build financial services that are simple, accessible and affordable.

BACQ is founded by Sachin Bansal & Ankit Agarwal to build consumer-centric and technology-driven businesses in the BFSI (Banking, Financial Services & Insurance) space.

• Work on the development backend systems for our first product
• Build reliable, secure and performant backend systems
• Drive test coverage and continuous delivery automation within the team
• Mentor and provide feedback to teammates

• 2+ years of software development experience
• Strong computer science fundamentals
• Good knowledge of Java ecosystem
• Can write code that is readable, maintainable and performant
• Know the importance of tests and how to approach writing different types of tests
• Good understanding of relational databases, transactions, entity-relationship modeling
• Comfortable writing multi-threaded programs

• Understanding of domain-driven design concepts like ubiquitous language, bounded contexts, aggregates and domain events
• Know how to use test driven development as a design tool 
• Good intuition for the principles underlying object-orientation, particularly encapsulation
• Understand the importance of immutability and of reducing the state-space of objects
• Seek to identify key underlying ideas and use those as building blocks before reaching for shiny new tools
• Have read some of our https://docs.google.com/document/d/18eWIOPYs0Hi8Kr4lXTtP_XMJp_4BrBzOd9Eui8v_l-c/edit?usp=sharing">favourite books