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Whom are we looking for?
Our groundbreaking technology, requires highly skilled and talented Web Backend Developers to understand the depth of the problem and device a solution for it.
We are seeking a Software Engineer, with a depth of experience in developing Web Applications enabled using REST APIs backed by a data warehouse solution, to join our growing company and be a part of our success story. We are looking for individual with great attention to detail, who is genuine, confident, committed and not only passionate about technology, but excited to work in a fun and friendly start-up environment. The ideal candidate will be passionate about technology and getting things to work while at the same time being able to mentor (and lead) other engineers by way of example to achieve excellence in their work.
What does the role involve?
As a Web Backend Software Engineer you will be responsible for creating REST APIs which are used to drive the User Interface. Given the nature of the application, these APIs needs to be very efficient and high performing. This requires optimising queries for faster execution and introducing database changes that may be required.
You would be working with a complex technology stack which includes (but is not limited to) Spring, Hibernate, HornetQ, Quartz, etc. This requires extensive understanding of transaction management and data handling across different application layers.
In addition to the technical ownership, you will also be involved in detailing requirements for requested functionalities and be responsible for providing technical insight into how requirements will be implemented and made available to users. Accurate estimation of tasks and planning are qualities we look for in our engineers.
Responsibilities include:
Develop, test, implement and maintain application software
Take part in software and architectural development activities
Transform requirements into implementation details
Debug application issues and helping support respond to client queries
Participate in application development meetings
Provide accurate estimates, clearly communicate status of tasks and identification of risks
Commitment to accomplishing the task at hand and identify the fastest and most reliable way to solve a problem
Performance tuning of application code at different service levels
Incorporate design changes to improve performance of the application
Interact with customers of the application and help address issues reported
Interact with customers of the application and collect requirements or potential uses cases and draft technical and user requirements
ESSENTIAL SKILLS / EXPERIENCE REQUIRED:
Minimum Bachelor's degree in Computer Science or equivalent
Minimum 2+ years experience with Java and J2EE/Java EE
Minimum 2+ years experience with Spring MVC, Spring Security and Hibernate
Strong understanding of relational database and normal forms
Strong understanding of SQL concepts and ability to write optimised and high performing queries
Strong understanding of Java concurrency, concurrency patterns, experience building thread safe code
Experience building RESTful web services
Experience with web application servers like JBoss
Strong written and verbal communication skills
Strong interpersonal skills and time management skills
Strong problem solving and analytical skills
Experience using task tracking systems e.g. Jira and distributed version control systems e.g. Git
DESIRABLE SKILLS / EXPERIENCE:
Understanding of testNg/JUnit
Unix/Windows shell and related command line tools
Experience in Continuous Integration and deployment tools such as Jenkins
Experience with database partitioning and column Indexing
Experience with query optimisation techniques
Why work for us?
Above market remuneration
Stimulating challenges that fully utilise your skills
Work on real-world technical problems to which solution cannot simply be found on the internet
Working alongside other passionate, talented engineers
Hardware of your choice
Our fast-growing company offers the potential for rapid career progression
Click Here to apply: https://hire.withgoogle.com/public/jobs/blueoptimacom/view/P_AAAAAAEAAADLjl0iWO3_0a?trackingTag=cutshort

About BlueOptima
About
The analytics platform provided by BlueOptima makes it possible for software developers and the companies they work for to develop superior software in the shortest amount of time and at the lowest cost imaginable. Actual Coding Effort is the sole objective productivity indicator for software developers, and BlueOptima is the only solution in the world that measures software developer productivity using this metric. This is a defining event in the history of software development.
The software as a service (SaaS) platform offered by BlueOptima allows corporations to do productivity and quality analysis of their software development in terms of people, teams, tasks, projects, divisions, and outsourced suppliers. Managers are better equipped to maximize efficiency when they have a thorough understanding of the performance differences that exist across an organization. It has been shown that BlueOptima can locate cost reductions in software purchases of up to twenty percent. Companies can cost-optimize their software efforts as early as is practically possible thanks to BlueOptima's extra capabilities in benchmarking and recruiting.
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engineering standards across teams.
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Own backend systems end-to-end, from design and implementation to
production reliability and long-term evolution.
Design scalable, fault-tolerant, and low-latency backend architectures for real
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Lead system design decisions including data models, service boundaries, async
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Build and operate high-throughput services handling millions of events, requests,
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Own reliability metrics such as p95/p99 latency, uptime, error budgets, and
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Collaborate with product, frontend, and data teams to translate complex
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Mentor engineers through design reviews, code reviews, and technical guidance
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Proactively identify performance bottlenecks, cost inefficiencies, and scalability
risks and resolve them at the system level.
Tech Stack
Backend: Node.js (NestJS / Express), Golang, Java
Databases: PostgreSQL, MySQL, MongoDB, Redis
Messaging & Async: Kafka, SQS, RabbitMQ, Pub/Sub
Real-time: WebSockets, Server-Sent Events
Cloud & Infra: AWS / GCP, Docker, Kubernetes
Observability: Prometheus, Grafana, OpenTelemetry
What We’re Looking For
• 5+ years of backend engineering experience
• Proven ownership of production systems at scale
• Strong understanding of distributed systems and async architectures
• Experience handling production incidents and system reliability
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JOB DESCRIPTION-
Exp - 5 to 8yrs
Job Summary
We are looking for a highly skilled and motivated Senior Software Engineer with strong expertise in Java (primary) and working knowledge of Python. The ideal candidate will be responsible for designing, developing, and maintaining scalable backend systems, while contributing to high-quality software delivery across the full development lifecycle.
Key Responsibilities
- Design, develop, and maintain robust, scalable, and high-performance applications using Java (Spring Boot / Microservices architecture)
- Develop reusable components and APIs with a focus on performance, security, and scalability
- Leverage Python for automation, scripting, data processing, or ML-related use cases (as applicable)
- Collaborate with cross-functional teams including Product, QA, DevOps, and Architecture
- Participate in system design discussions and contribute to technical decision-making
- Write clean, efficient, and well-documented code following coding standards and best practices
- Optimize applications for maximum speed and scalability
- Troubleshoot and debug complex production issues
- Contribute to CI/CD pipelines and DevOps practices
- Mentor junior engineers and perform code reviews
Required Skills & Qualifications
Technical Skills
- Strong hands-on experience in Core Java, Spring Boot, and Microservices architecture
- Solid understanding of RESTful APIs, multithreading, concurrency, and JVM performance tuning
- Practical experience with Python (automation, scripting, or backend development)
- Experience with databases: SQL (MySQL, PostgreSQL) and/or NoSQL (MongoDB, Cassandra)
- Familiarity with cloud platforms (AWS, Azure, or GCP)
- Strong knowledge of data structures, algorithms, and system design
- Experience with message brokers (Kafka, RabbitMQ)
- Exposure to containerization & orchestration (Docker, Kubernetes)
- Experience with version control systems (Git)
Preferred Skills
- Experience in distributed systems and event-driven architectures
- Knowledge of Python frameworks (Flask, FastAPI, Django)
- Exposure to big data technologies (Spark, Hadoop) or ML workflows
- Experience with CI/CD tools (Jenkins, GitHub Actions, etc.)
- Familiarity with observability tools (Prometheus, Grafana, ELK stack)
Soft Skills
- Strong problem-solving and analytical skills
- Excellent communication and collaboration abilities
- Ability to work in a fast-paced agile environment
- Proactive ownership and accountability
Job Title: 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. - 1 to 3 years.
Wissen Technology is hiring Java + Scala Developers with 1–3 years of experience. We are looking for candidates with strong hands-on skills in Java and Scala, good analytical abilities, and the capability to work in a dynamic environment.
Key Requirements:
- Experience in Java and Scala
- Strong understanding of core programming concepts
- Good problem-solving and debugging skills
- Must be available for immediate joining
- Should be open to face-to-face interviews in Bangalore or Mumbai
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 hassuccessfully 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.
Java Developer – Backend (Spring Boot + WebFlux)
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Position Overview
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📍 Location: Whitefield, Bangalore (Onsite – 5 Days/Week)
📅 Experience: 5–6 Years
Key Responsibilities
● Develop and maintain backend services using Java, Spring Boot, and Spring WebFlux
● Design and implement RESTful and reactive APIs for scalable applications
● Work with databases (SQL/NoSQL – MongoDB preferred)
● Implement multithreading, concurrency, and reactive programming for performance optimization
● Collaborate with frontend teams, QA, and product managers
● Debug, troubleshoot, and resolve production issues
● Write clean, maintainable, and efficient code
● Participate in code reviews and maintain coding standards
● Ensure application performance, scalability, and security
Required Qualifications
Technical Skills
● Strong hands-on experience in Core Java (OOPs, Collections, Multithreading)
● Experience with Spring Boot, Spring MVC, and Spring WebFlux
● Good understanding of Microservices architecture
● Experience with MongoDB / SQL databases
● Knowledge of Java Streams, Exception Handling, Concurrency, and Reactive Programming
● Familiarity with Linux environment
● Experience with Git, Maven, CI/CD pipelines
● Understanding of API design, reactive systems, and system architecture
Experience & Education
● 5–6 years of experience in backend development
● Bachelor’s degree in Computer Science or related field
Soft Skills
● Strong problem-solving and analytical skills
● Good communication and teamwork abilities
● Ability to work in a fast-paced environment
● Ownership mindset and attention to detail
Preferred Qualifications
● Experience with Kafka or event-driven architecture
● Exposure to AWS or cloud platforms
● Experience working in Reactive systems / high-throughput applications
● Experience working in Agile environments
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Responsibilities
- Design and develop robust scalable database systems
- Design, build and deploy internal applications to support our native technical ecosystem
- Collaborate with Subject-Matter experts to design data-driven modules for analysis
Qualifications
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- 3-4 years of experience in Java
Skills
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- Strong knowledge of working with XMLs/Jsons
- Experience with large-scale distributed storage and database systems (MySQL, MongoDB, GraphDB)
- Good knowledge of indexing/search libraries like Lucene/Solr/Elasticsearch
- Exposure to Spring MVC architecture and RESTful APIs
- Well-versed with Agile methodology of SDLC
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- 3+ Experience in #Grails Web Framework and #Groovy Language.
- Must have experience integrating Grails code with front-end JavaScript frameworks including Jquery.
- Must have experience working with XML and JSON using Grails, JMS and Web, services, XML, Apache Tomcat, SQL and Unix and GIT.
- Experience with RDMS concepts and SQL.
- Experience with RESTful Web Services.
- Understanding of proper application design techniques and methodologies.
- Proficient understanding of SDLC processes desired – Agile
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- Include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
- Designing, developing and delivering high-volume, low-latency applications for mission-critical systems
Framework required – spring boot, Hibernate
Skills - Should have knowledge of JPA, js, Ajax
Work Experience: 3 to 5 years
Official Notice Period – Immediate to 15 days ONLY
Excellent communication skills
Job Location – Mumbai
Mandatory Skills – Java 8, Spring boot, Hibernate, Microservices, Angular
- B Tech/BE or M.Tech/ME in Computer Science or equivalent from a reputed college.
- Experience level of 7+ years in building large scale applications.
- Strong problem solving skills, data structures and algorithms.
- Experience with distributed systems handling large amount of data.
- Excellent coding skills in Java / Python / Node / Go.
- Very good understanding of Web Technologies.
- Very good understanding of any RDBMS and/or messaging.
Technical Competencies
- Strong Java/J2EE development experience with demonstrated ability to develop and troubleshoot large mission applications & Software Products
- Experience on exception handling, correct use of data structures, multi-threaded programming, memory management and application tuning
- Excellent exposure in Object Oriented Design skills using Java/J2ee along with:
- Core Java Language (Collections, Concurrency/Multithreading)
- JDBC concepts (connection pooling, statement, result set)
- Web Technologies (Struts/Struts 2, Spring (IOP, MVC, AOP), Hibernate, JSP, Web services)
- Database optimization and profiling
- Core/JEE/Integration Design patterns/UML
- Should have experience in Unit Testing
- Good hands on experience with RDBMS like MySQL/Oracle with ability to write SQL Queries/Stored Procedures/Triggers/Joins/View etc
- Practical application of software product development standards and methodologies including Agile, XP, Kanban, RUP and UML
- Ability to apply design patterns consistently and also accurate when building per design requirements
- Good experience in source control, unit testing, code verification, documentation, automated build, continuous integration, metrics, and code reviews.
- Demonstrated problem solving, analytic and troubleshooting skills.
- Strong written and oral communication skills are required to effectively engage internal stakeholders and their technical representatives.











