Java Developer

Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 4 to 7 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

JOB PROFILE: - SOFTWARE ENGINEER TRAINEE

• Experience with Web fundamentals like HTML5, JavaScript, CSS3, and JSP, etc.
• Good understanding of Object-Oriented JavaScript (OOJS), ES6,
• Hands-on exp in Web app development using modern client-side MVC frameworks using ReactJS
• Thorough understanding of ReactJs and its core principles
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Experience developing custom reusable components in ReactJS
• Proficient understanding of unit testing using JavaScript test frameworks like JEST
• Experience integrating REST APIs
• Ability to understand business requirements and translate them into technical requirements

Backend Developer/FullStack Developer - ANGULAR,JAVA

We’re looking for an Engineering Manager to guide our micro-service platform and mentor a fully remote backend team. You’ll blend hands-on technical ownership with people leadership—shaping architecture, driving cloud best practices, and coaching engineers in their careers and craft.

Key Responsibilities:

Area

What You’ll Own

Architecture & Delivery

• Define and evolve backend architecture built on Java 17+, Spring Boot 3, AWS (Containers, Lambdas, SQS, S3), Elasticsearch, PostgreSQL/MySQL, Databricks, Redis etc...

• Lead design and code reviews; enforce best practices for testing, CI/CD, observability, security, and cost-efficient cloud operations.

• Drive technical roadmaps, ensuring scalability (billions of events, 99.9 %+ uptime) and rapid feature delivery.

Team Leadership & Growth

• Manage and inspire a distributed team of 6-10 backend engineers across multiple time zones.

• Set clear growth objectives, run 1-on-1s, deliver feedback, and foster an inclusive, high-trust culture.

• Coach the team on AI-assisted development workflows (e.g., GitHub Copilot, LLM-based code review) to boost productivity and code quality.

Stakeholder Collaboration

• Act as technical liaison to Product, Frontend, SRE, and Data teams, translating business goals into resilient backend solutions.

• Communicate complex concepts to both technical and non-technical audiences; influence cross-functional decisions.

Technical Vision & Governance

• Own coding standards, architectural principles, and technology selection.

• Evaluate emerging tools and frameworks (especially around GenAI and cloud-native patterns) and create adoption strategies.

• Balance technical debt and new feature delivery through data-driven prioritization.

Required Qualifications:

● 8+ years designing, building, and operating distributed backend systems with Java & Spring Boot

● Proven experience leading or mentoring engineers; direct people-management a plus

● Expert knowledge of AWS services and cloud-native design patterns

● Hands-on mastery of Elasticsearch, PostgreSQL/MySQL, and Redis for high-volume, low-latency workloads

● Demonstrated success scaling systems to millions of users or billions of events Strong grasp of DevOps practices: containerization (Docker), CI/CD (GitHub Actions), observability stacks

● Excellent communication and stakeholder-management skills in a remote-fi rst environment

Nice-to-Have:

● Hands-on experience with Datadog (APM, Logs, RUM) and a data-driven approach to debugging/performance tuning

● Startup experience—comfortable wearing multiple hats and juggling several projects simultaneously

● Prior title of Principal Engineer, Staff Engineer, or Engineering Manager in a high-growth SaaS company

● Familiarity with AI-assisted development tools (Copilot, CodeWhisperer, Cursor) and a track record of introducing them safely

Job Title: Engineering Manager (Java / Spring Boot, AWS) – Remote

Leadership Role

Location: Remote

Employment Type: Full-time

Job Description :

- We are a Fintech Company based in Pune, a B2B Trade Digitization platform for SMEs and Corporates to collaborate and work with Financial Institutions to raise short term fundings for payables and receivables financing.

- We are thus well placed to help Corporates and their Supply Chains to meet their GST needs.

Technologies :

- The platform is built using a polygot technology stack 

- Platform Backend : JVM 

- Web Layer : ReactJS and related ecosystem, HTML, Javascript, CSS, Bootstrap 

- API & Business Layer : Kotlin and functional programming 

- Client Apps and Customer Integrations: Kotlin, Jersey ReST Framework, home grown optimized HTTP and SQL libraries 

- Mobile Apps: Android, iOS 

- Database : MySQL - JVM - Hibernate & Exposed as ORM library - Python - SQLAlchemy as ORM library 

- Build Tools : Gradle, Shell Scripting, AWS Code Build, Jenkins

- Ops Automation : Ansible, Terraform 

- Servers : Ubuntu Linux 

- Version Control : GIT 

- Test Automation : Python - unittest, pyhamcrest, freshen, nose. JVM - Junit, Kotlin Test 

- Cloud Providers : Amazon AWS, Linode

Requirements :

- We are a self organized engineering team with a passion for programming and solving business problems for our customers.

- We are looking to add 2 members in our team having hands on technical experience of 2-6 years.

- We encourage our team to continuously learn new technologies and apply the learnings in the day to day work even if the new technologies are not adpopted.

- We strive to continuously improve our DevOps practices and expertise to form a solid backbone for the product, customer relationships and sales teams which enables them to add new customers every week to our financing network.

As an engineering team member, you will :

- Work collaboratively with product, customer support and DevOps team to build, enhance, maintain, deploy and operate our systems. 

- Continuously automate operational processes to improve efficiencies and productivity and enhance customer experience 

- Work closely with the architect to continuously refactor the system architecture and design to meet the changing landscape triggered by technology changes and business growth 

- Work with the DevOps team to build and maintain tools for deployment, monitoring and operations. 

- Ensure that development processes and deliverables always adhere to the mandates laid down for various certifications (PCI and ISO 27001 in particular)

Skills required :

- Pre-requisites : Competent in Java, database, HTML, Javascript, CSS 

- Should be passionate about technology and ready to deep dive into programming 

- Should have sound expertise of writing testable code and appreciate defect free coding 

- Should be willing to handle Ops automation and production support 

- Should be able to reason/argue/discuss/suggest solutions and alternatives

- Should be able to decipher the core problem to be solved during discussions with product team and/or customers 

- Should have good communication skills and experience working in teams

- Knowledge of Python will be an added advantage

- Experience of working in financial domain will help but not a necessity

Professional Requirements:

• 2-8 Years professional development experience.
• Bachelor’s and/or Master’s degree, preferably in CS, or equivalent experience.
• Good understanding of data structures and algorithms.
• Good understanding of high level and low-level design of distributed systems.
• Experience coding in any one of the following Java or Nodejs.
• Experience building highly available distributed systems on cloud infrastructure will be plus.
• Exposure to architectural pattern of a large, high-scale web application.

Requirement/responsibilities: To take a project from scoping requirements through launch of the project. Ownership of product/feature end-to-end for all phases from the development to the production. Ensuring the developed features are scalable and highly available with no quality concerns. Work closely with senior engineers for refining the and implementation. Management and execution against project plans and delivery commitments. Participate in design and code reviews.

Who We are?

At e6data (https://e6x.io/" target="_blank">https://e6data.io) we’re building core algorithms that make querying 25 - 200X more performant (i.e. faster and/or cheaper) than every other analytics platform in the world. This results in billions of dollars of value unlocked across faster analytics, savings on computing/infra, and new use cases become possible.

Our core team has 100+ years of combined experience and 10+ patents across diverse but complementary disciplines like real-time databases, time-series databases, SQL OLAP engines, distributed computing platforms, stream processing, and log analytics. Two of the founding team are second-time founders with past exits.

We are passionate about solving the deepest and most important problems in computer science and believe in making our technology available to customers regardless of their location, size, or budget. Our vision is for e6data to power every analytical workload in the world - regardless of deployment scenario (cloud, on-premise, edge), across every use case (end-user queries, ETL / data pipelines), and every latency requirement (batch, streaming / real-time).

What you will do?

• Write awesome code
• Your primary focus will be on building our product around our core algorithms. You will collaborate with our Performance Engineering and DevOps teams.
• Identify tactical and long-term product improvements (could be code, script, etc.) so that e6data development is based on frictionless onboarding of customers
• Build our internal Data Platform using e6data
• Adding scalable functionality to the core e6data engine for new features like UDFs, SQL functions, etc

What we are looking for?

• Worked with Java for a minimum of 4 years
• Knowledge of SQL Query planning will also be good to have
• A passion for continuous learning and growth (both at a personal and team level)
• Strong team player
• Experience (or enjoys) working in a startup will be an added advantag

• B.Tech/B.E (preferably in Computer Science Engineering) 
• 7+ years of hands-on programming experience in building data-driven REST APIs, services & platforms using advanced Java frameworks like Spring, Redis, Node.js etc. with deep focus on integration & scale.
• We also look for hands-on experience with Mysql, Elasticsearch (or Solr) and Nosql stores.
• Our evaluation starts with focus on computer science fundamentals, data structures & algorithms.
• You will have been learning new technologies every week and prefer folks who can use golang/rust for backend development and are familiar with equivalent data stores, index stores and pub-sub technologies.

Location – Pune, Gandhinagar (Currently Work from Home till 2022)

Educational Qualification - B.E / B.Tech, MCA, M.Tech, or any equivalent IT graduation or post-graduation

• J2EE - Sprint Boot Microservices.
• At least 8+ years of experience in Java development (J2EE, J2SE 8).
• Extensive experience with Spring, Spring Boot Micro Services, JPA, Hibernate.
• Extensive experience in REST and SOAP Webservices Services.
• Excellent knowledge of databases( PostgreSQL, MySQL).
• Experience in testing tools (JUnit, SOAP UI, Postman).
• Experience in build tools – Maven, Gradle. Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Experience in web application servers - Tomcat, etc.
• Understanding of Agile Development methodology – SCRUM.
• Understanding of continuous integration - Jenkins, and Code versioning tools- Git