Senior/Lead Engineer - Java
at Listed in fortune 100 fastest growing tech companies in 2019
Technical specifications/Skill Set:
- Minimum of 5+ years of significant experience in application development.
- Proficient with software development lifecycle (SDLC) methodologies like Agile, Test- driven development
- Knowledge of system architecture, object-oriented design, and design patterns.
- Required technical skills: Strong Core Java, J2EE, Spring boot, Akka, API development & distributed application development experience.
- Desirable technical skills: Micro-services pattern, Kafka, Knative Eventing, Camel-K, Container Technologies like Docker, Kubernetes, NoSql preferably Cassandra.
- Experience working with high volume data and computationally intensive system.
- Domain knowledge in Financial Industry and Capital Markets is a plus.
- Excellent communication skills are essential, with strong verbal and writing proficiencies.

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About NonStop io Technologies
NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment.
Brief Description
We are looking for a passionate and experienced Backend Engineer (Python) to join our engineering team. The ideal candidate will have strong expertise in backend development, API design, scalable application architecture, and SaaS applications, along with exposure to data processing, ETL workflows, and data integration. Familiarity with React and frontend technologies is an added advantage.
You will collaborate with cross-functional teams to build, enhance, and maintain robust, secure, and high-performance applications while contributing to backend services, data workflows, and cloud-based systems.
Roles and Responsibilities
- Design, develop, and maintain scalable and high-performance web applications and backend services.
- Develop secure, efficient, and reliable backend services and RESTful APIs using Python.(Django/Flask)
- Design and implement scalable microservices and distributed application components.
- Collaborate with frontend engineers and contribute to React-based features or integrations when required.
- Develop, maintain, and support ETL/data processing workflows for extracting, transforming, and loading data across systems.
- Build Python-based data processing scripts, services, and integrations to support application and business requirements.
- Work with relational databases to support data extraction, transformation, validation, and loading processes.
- Collaborate with data and engineering teams to improve data quality, reliability, and processing efficiency.
- Work closely with product managers, designers, QA engineers, DevOps, data engineers, and other stakeholders to deliver high-quality features.
- Write clean, maintainable, reusable, and testable code following software engineering best practices.
- Participate in code reviews and contribute to coding standards, engineering practices, and technical improvements.
- Optimize applications, APIs, databases, ETL processes, and backend services for performance, reliability, and scalability.
- Troubleshoot, diagnose, and resolve application, data processing, and production issues.
- Contribute to system architecture, technical design decisions, and continuous improvement initiatives.
- Develop and maintain automated tests to ensure application quality and reliability.
- Collaborate with DevOps teams to support CI/CD pipelines, containerized deployments, cloud-based applications, and deployment automation.
- Monitor and support backend services and data workflows in development, staging, and production environments
Requirements
- 3 to 6 years of professional experience in Backend Development using Python.
- Strong hands-on experience with Python backend frameworks such as Django and Flask.
- Experience building and supporting SaaS applications, with exposure to microservices, caching, pub-sub, messaging technologies, RESTful APIs, and distributed systems.
- Exposure to ETL processes, data pipelines, data integration, or data processing using Python. (Preferred)
- Understanding of ETL concepts such as data extraction, transformation, validation, loading, and data quality.(Preferred)
- Experience working with relational databases, preferably PostgreSQL, for application development and/or data processing workflows.
- Strong understanding of databases such as PostgreSQL, MySQL, MongoDB, or SQL Server.
- Familiarity with frontend technologies, particularly React, is an advantage.
- Experience with version control systems such as Git.
- Exposure to technologies such as Kafka, Redis, Elasticsearch, Redshift, Nginx, and GraphQL is a plus.
- Exposure to data technologies or tools such as Airflow, Pandas, SQLAlchemy, Spark, or similar data processing frameworks is a plus.
- Strong foundation in computer science, including data structures, algorithms, object-oriented programming, and software design principles.
- Familiarity with CI/CD pipelines and tools such as Jenkins.
- Good understanding of cloud platforms such as AWS, Azure, or GCP.
- Strong understanding of software design principles, scalable application architecture, and data structures.
- Experience with containerization technologies such as Docker.
- Knowledge of automated testing frameworks and best practices.
- Experience working in Agile/Scrum environments.
- Strong problem-solving, analytical, communication, and collaboration skills.
Why Join Us?
- Opportunity to work on a cutting-edge healthcare product
- A collaborative and learning-driven environment
- Exposure to AI and software engineering innovations
- Excellent work ethic and culture
If you're passionate about technology and want to work on impactful projects, we'd love to hear from you!
Required Skill Set
Software Engineer/Senior Software Engineer/Lead Engineer-Java
- Experience in Core Java 8.0 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux
- Possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
- Good development experience with RDBMS
- Good knowledge of multi-threading and high volume server side development
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
Responsibilities
- Understand product requirements and come up with solution approaches
- Build and enhance large scale domain centric applications
- Deploy high quality deliverables into production adhering to the security, compliance and SDLC guideline.
🚀 We’re Hiring: Sr. PHP Developer | Server Engineer | P99Soft Pvt Ltd
📍 Location: Hyderabad (Hybrid)
🕒 Experience: 5+ Years
💡 About the Role
We are looking for a Sr. PHP Developer / Server Engineer with strong backend expertise to design and build scalable, high-performance game services.
You will own systems end-to-end — from development to deployment and live operations — ensuring performance, security, and reliability of large-scale game systems.
🔧 Key Responsibilities
Design, build & run scalable backend game services (end-to-end ownership)
Collaborate with designers, client engineers & production teams
Build secure systems and prevent cheating risks
Develop automated testing, deployment & live operations pipelines
Monitor performance, cost & optimize server infrastructure
Design data transformation layers & scalable APIs
Work on release management and live game operations
🧠 Required Skills
Strong PHP (mandatory)
6+ years backend development experience
Cloud platforms (AWS / GCP)
Redis & caching systems
Database design (MySQL, PostgreSQL, NoSQL like DynamoDB/Couchbase)
API design & cross-team collaboration
Experience with scalable distributed systems
⭐ Good to Have
Java experience
Game backend / gaming domain exposure
Experience in performance tuning & debugging
Cloud-based game services experience
Strong analytical & problem-solving skills
Passion for gaming
Java Developer Requirements
· Minimum 7 to 15years of experience in Java/J2EE
· Outstanding skills in Java Struts, JSP, Hibernate
· Capability to understand DB design, SQL queries
· Experience in JavaScript, JQuery, JSON and AJAX
· Strong Object Oriented Analysis and Design skills
· Knowledge in source version control such as GIT
· Understanding on Agile methodologies
No of Opening: 7
Location: Chennai/Madurai (WFO)
· Degree in Computer Science or related field.
· Experience with user interface design, database structures, and statistical analyses.
· Analytical mind-set and good problem-solving skills.
· Excellent written and verbal communication.
· Good organizational skills.
· Ability to work as part of a team.
· Attention to detail.
Design, build, and maintain efficient, reusable, and reliable Python services &components
Ensure the best possible performance, quality, and security
Identify bottlenecks and bugs, and devise solutions to these problems
Help maintain code quality, organization
Understanding of established software development life cycles
Ability to prioritize and multi-task in order to meet deadlines
Resolves technical issues through debugging, research and investigation
Collaborate across various teams and with external clients
Contribute innovative designs and ideas for improving our company products and services
Required Skills Sets
Atleast 4+ years of experience in Design and Development with Python.
Experience in Flask / Django
Familiar with version control (Git)
Understanding of SQL
Strong Unit Testing practice
Understanding of design patterns, Microservices Architecture
Understanding of Scrum Agile methodology
Experience in data engineering & Docker is a plus.
Candidate Profile:
4+ Years of relevant experience with Python and its Principles.
Graduate in Computer Science or any related discipline (like BS / B.E. / B-Tech in Electronics,
Electrical, IT)
Job Title: Java Team Lead
Experience: 4.5 to 8 years
Notice Period: Up to 30days (Negotiable)
Job Description :
- Experience in Java/J2EE technologies - design development of high-volume, high-performance, high-availability, service-oriented applications
- Design and govern the reusable accelerators, design patterns and reusable technical components (e.g. error handling, logging etc.)
- Strong knowledge in developing scalable web applications using Spring Boot with JDBC, JPA, Security, RESTful Web Services
- Experience in front end development using HTML5, JQuery, React JS or Angular
- Research and implement new tools, frameworks and patterns to build a hybrid cloud applications
- Strong knowledge in Database – MySQL / PostgreSQL
- Knowledge of deploying applications in Ubuntu on Cloud Infrastructure
- Knowledge of Docker and Kubernetes for automatic application deployment will be an added advantage
- Lead a team and provide technical knowledge to team members during development
Roles & Responsibilities
- Understand the Requirement
- Convert them into Document
- Deliver the Work Product (software components / modules) with Quality
- High level design & Defining Architecture
- Following Coding best practices
Company Description
BlueOptima’s vision is to become the global reference for the optimisation of the performance of Software Engineers across all industries. We provide industry-leading objective metrics in software development. We enable large organisations to deliver better software, faster and at lower cost, with technology that pushes the limits of what has been done before.
We are a global company which has consistently doubled in headcount and revenue YoY, with no external investment. We currently are located in 4 countries: London (our HQ), Mexico, India and the US. A total number of 180+ employees (and increasing every day) from 22 different nationalities and with over 25 languages spoken.
We promote an open minded environment and encourage our employees to create their own success story in this high performance environment.
Job Description
Location: Bangalore/Gurgoan, India
Department: Engineering
Job summary:
We are seeking a Senior Software Engineer, with experience in developing scalable application components, which are remotely deployed and are used to extract and push large volumes of data in a data warehouse solution, to join our growing company and be a part of our success story.
We are looking for an individual with great attention to detail, who is genuine, confident, committed and not only passionate about technology, but is keen to own the solution end to end, and most importantly 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.
Your team: You will be working with a diverse team with members located around our different offices, with whom you will be working hand-to-hand. This team is currently based in Gurgaon and we are now looking forward to growing it in Bangalore and mid next year to Mexico with the plan of building two teams in India (Gurgaon and Bangalore) and one in Mexico (Guadalajara).
We are looking for skilled and talented engineers to join our Data Analysis and Processing (DAP) team and directly contribute to development of application components built by the team.
The DAP team works on a business critical component which is responsible for collecting required source code interaction and static metrics data from client location, and processing the large volumes of data end to end. Remote deployment and the uptime requirements only makes this component one of the most complex standalone java applications.
As a Senior Software Engineer in the DAP team, you will be directly contributing to development of the Integrator and Central Server components using Spring Boot, Hibernate and Core Java. And while contributing directly to the development of the software components, you are also expected to lead and mentor a team of next generation platform engineers.
Responsibilities and tasks:
- Analyse, Design, Develop, implement, test and maintain application software components
- Analyse client requirements and convert them into technical specs.
- Own development of features and improvement
- Identify and resolve performance bottlenecks
- Identity and resolve architectural inefficiencies in design, and create a roadmap to resolving them
- Lead and mentor a team of junior developers
- Interact with internal client facing team and provide technical support to them
- Engage with clients to provide support on your component as and when required
Qualifications
What You Need to Succeed at BlueOptima:
- Minimum Bachelor's degree in Computer Science or equivalent
- Minimum 5+ years experience with Java and J2EE/Java EE
- Minimum 2+ years experience with developing standalone Java applications
- Strong understanding of relational database, partitioning and indexing techniques, SQL
- Demonstrable experience in optimising application performance at database or any other layer
- Experience in creating high and low level design based on existing application architecture and documenting such design
- Strong understanding of Java concurrency, concurrency patterns, experience building thread-safe code
- Ability to work autonomously with minimum supervision
- Strong problem solving and analytical skills, and having a can-do attitude
- Familiarity with Agile methodologies like SCRUM, Sprints, etc and leading a Scrum a small Scrum team
- Commitment to accomplishing the task at hand and identify the fastest and most reliable way to solve a problem
- Familiarity with Linux shell and related command line tools
- Strong grasp of Unit & Integration testing
Good to have:
- A team manager, in terms of handling people and delivery which is not a must in case of technical geeks
- Making sure that the sprints and tasks are completed on time with no spill-overs and sticking to the deadline
- Preferred experience on Spring boot,, Docker, Kubernetes
- Some exposure in Linux
Additional Information
Why join our team?
Culture and Growth:
- Global team with a creative, innovative and welcoming mindset.
- Rapid career growth and opportunity to be an outstanding and visible contributor to the company's success
- Freedom to create your own success story in a high performance environment
- Training programs and Personal Development Plans for each employee
Benefits:
- Competitive Salary
- Flexible Work from Home policy - 2 days home p/w
- Free drinks and snacks in the office
- International travel opportunities
- Global annual meet up (most recent meetups have been held in Cancun and India)
- High quality equipment (Ergonomic chairs and 32’ screens)
- 2+ years of professional software development experience
- 2+ years of object-oriented Java / J2EE development
- Full SDLC experience (requirements gathering, architecture, development, QA, etc- )
- Experience with Spring (MVC, IOP/DI, REST, Security) & Hibernate/Spring
- Experience with SOAP / REST web services
- Knowledge of SQL
- Knowledge of No SQL concepts, understanding of Solr, Redis and Mongo DB is desirable
- Understanding concepts of CDN & Content Management
- Must have worked on any one messaging solutions
Bonus Points for micro service design and development experience
- Bonus points for any mobile development experience
- Used Agile methodology
- Experience leading or working with cross geography teams
- Bonus Points for experience working on Unix, shell scripting & Build Systems
- Experience in performance optimization is an added advantage
POSITION :
- You will be actively involved during the entire technology development lifecycle. Responsibilities will include all aspects from design, coding, testing, customer feedback cycle changes and support.
- Primary role in software development with object-oriented Java
- The customized solutions that you will be architecting and developing will also require knowledge and experience with spring / Hibernate, SOAP / REST, and SQL.
- Ability to learn new technologies quickly and willingness to read and digest large existing source code and take ownership on complex component or subsystem to drive improvements and re-architecture
- Work with a team of amazing developers and designers involved in the design and development of global platforms
- Invent and prototype new features, build, test and ship them to customers as SaaS, cloud based or hosted product platforms
- Drive the implementation of new technologies which improve our ability to build great customers products.
- Participate in a fun, open learning environment with great benefits and smart talented folks that represent among the best globally.
QUALIFICATION :
- A Bachelor's degree in Computer Science (or equivalent experience)
- M-Tech or advanced degree a plus
- Hackathon participation and accolades are a plus
Job Role :
Quinbay is an upstart digital platforms and products company with a core focus on disrupting traditional markets and business models with the strength of our innovation driven digital value. We harness the power of our open innovation culture, our unique talent selection approach, the skills and expertise of our people across various industries, domains and technologies and a unique blend of analytics driven strategies for creating future digital platforms.
OPPORTUNITIES :
- Pursue opportunities in and learning/growth interests in Mobile, product development, product management, Analytics, Machine learning, UI/UX design, DevOps, Automation, Drones, bots and Java / open source development frameworks and methodologies - on a variety of domains like eCommerce, Logistics and fulfilment, Mcommerce and a whole lot others.
- Opportunities to be part of fastest growing eCommerce platforms in exciting application areas like core commerce, supply chain, logistics and fulfilment, merchant, mobile commerce, analytics, automation and a lot more for the global markets positioned for Asia.












