Senior Software Engineer at Opteamix · Remote only · 3 - 6 years · ₹15L - ₹25L / yr · Profitable · Remote only · Posted 16 Sep 2026

Key Responsibilities
- Develop and maintain FitNesse fixtures and supporting Java components for automated regression testing of Calypso Back Office modules.
- Design and implement automation solutions using Java and Calypso APIs to validate business workflows and application functionality.
- Build, enhance, and maintain reusable automated regression suites for critical Back Office business processes.
- Collaborate with developers, business analysts, and QA engineers to translate business requirements into automated test scenarios.
- Integrate new functionality into the existing automation framework while ensuring code quality, maintainability, and reusability.
- Analyse automation failures, perform root cause analysis, and work closely with development teams to resolve issues.
- Participate in code reviews and contribute to improving the automation framework and QE best practices.
- Ensure adequate regression coverage for new features, enhancements, and production fixes.
- Contribute to continuous improvement initiatives for test automation, framework design, and release quality.
Mandatory Skills
- Strong Java development experience.
- Hands-on experience with the Calypso Back Office module.
- Experience developing and maintaining Java-based automation framework components.
- Good understanding of Calypso APIs and integration mechanisms.
- Experience with Git or other source control systems.
- Exposure to CI/CD pipelines.
- Good analytical, debugging, and problem-solving skills.
Preferred Skills
- Experience working with FitNesse.
- Understanding of regression testing and Quality Engineering practices.
Qualifications
- Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline.
- 3–6 years of experience in software engineering, test automation, or Quality Engineering.
- Strong verbal and written communication skills.
- Ability to work collaboratively in an Agile environment.
What We're Looking For
- Strong hands-on experience in Java development.
- Good understanding of Calypso tool and the ability to translate complex business scenarios into effective automated tests using fitNesse framework.
- A problem solver who enjoys analysing technical challenges and finding practical, scalable solutions.
- Self-motivated, collaborative, and comfortable taking ownership while working closely with developers, QA, and business stakeholders.
Location
Bengaluru, Karnataka, India
Experience
3 - 6 Years
Employee Type
Direct Contract

About Opteamix
About
Opteamix is a digital automation technology consulting firm with deep expertise in Application Development, Robotic Process Automation, AI, DevOps, Enterprise Mobility, ITOps, and Test Automation Services. We are headquartered in Denver, Colorado with a wholly-owned delivery center in Bangalore, India.
We ensure that our clients are always ahead of the curve by leveraging futuristic technologies to co-create a better tomorrow, today. Since the founding of the company in 2012, we have focused on solving our client’s business problems using digital technology.
Keeping a close eye on current market trends and emerging technologies is how we understand and further strengthen our technical know-how. We combine deep business knowledge and cutting-edge technology solutions to deliver innovative business solutions leveraging global technology delivery practices.
We deliver a wide spectrum of technology solutions - from legacy technologies to the next generation Robotic Process Automation, AI, and Machine Learning solutions.
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Job Title : Senior Software Engineer (Full Stack — AI/ML & Data Applications)
Experience : 5 to 10 Years
Location : Bengaluru, India
Employment Type : Full-Time | Onsite
Role Overview :
We are seeking a Senior Full Stack Software Engineer with strong technical leadership and hands-on expertise in AI/ML, data-centric applications, and scalable full-stack architectures.
In this role, you will design and implement complex applications integrating ML/AI models, lead full-cycle development, and mentor engineering teams.
Mandatory Skills :
Full Stack Development (React/Angular/Vue + Node.js/Python/Java), Data Engineering (Spark/Kafka/ETL), ML/AI Model Integration (TensorFlow/PyTorch/scikit-learn), Cloud & DevOps (AWS/GCP/Azure, Docker, Kubernetes, CI/CD), SQL/NoSQL Databases (PostgreSQL/MongoDB).
Key Responsibilities :
- Architect, design, and develop scalable full-stack applications for data and AI-driven products.
- Build and optimize data ingestion, processing, and pipeline frameworks for large datasets.
- Deploy, integrate, and scale ML/AI models in production environments.
- Drive system design, architecture discussions, and API/interface standards.
- Ensure engineering best practices across code quality, testing, performance, and security.
- Mentor and guide junior developers through reviews and technical decision-making.
- Collaborate cross-functionally with product, design, and data teams to align solutions with business needs.
- Monitor, diagnose, and optimize performance issues across the application stack.
- Maintain comprehensive technical documentation for scalability and knowledge-sharing.
Required Skills & Experience :
- Education : B.E./B.Tech/M.E./M.Tech in Computer Science, Data Science, or equivalent fields.
- Experience : 5+ years in software development with at least 2+ years in a senior or lead role.
- Full Stack Proficiency :
- Front-end : React / Angular / Vue.js
- Back-end : Node.js / Python / Java
- Data Engineering : Experience with data frameworks such as Apache Spark, Kafka, and ETL pipeline development.
- AI/ML Expertise : Practical exposure to TensorFlow, PyTorch, or scikit-learn and deploying ML models at scale.
- Databases : Strong knowledge of SQL & NoSQL systems (PostgreSQL, MongoDB) and warehousing tools (Snowflake, BigQuery).
- Cloud & DevOps : Working knowledge of AWS, GCP, or Azure; containerization & orchestration (Docker, Kubernetes); CI/CD; MLflow/SageMaker is a plus.
- Visualization : Familiarity with modern data visualization tools (D3.js, Tableau, Power BI).
Soft Skills :
- Excellent communication and cross-functional collaboration skills.
- Strong analytical mindset with structured problem-solving ability.
- Self-driven with ownership mentality and adaptability in fast-paced environments.
Preferred Qualifications (Bonus) :
- Experience deploying distributed, large-scale ML or data-driven platforms.
- Understanding of data governance, privacy, and security compliance.
- Exposure to domain-driven data/AI use cases in fintech, healthcare, retail, or e-commerce.
- Experience working in Agile environments (Scrum/Kanban).
- Active open-source contributions or a strong GitHub technical portfolio.
Position: Java Angular Full Stack Developer
Experience: 2–10 Years
Location: Mumbai
Joining Preference: Immediate Joiners Only
About the Role
We are looking for skilled Java Angular Full Stack Developers to join our growing technology team in Mumbai. The ideal candidate should have strong experience in backend development using Java and Spring Boot along with frontend development using Angular. Candidates who can join immediately or within short notice periods will be preferred.
Key Responsibilities
- Design, develop, and maintain scalable full stack applications.
- Build responsive UI components using Angular.
- Develop RESTful APIs and backend services using Java and Spring Boot.
- Collaborate with cross-functional teams including QA, DevOps, and Product teams.
- Participate in code reviews and ensure coding best practices.
- Troubleshoot and resolve application issues and performance bottlenecks.
- Work on database design, optimization, and integrations.
- Contribute to Agile/Scrum development processes.
Required Skills
- Strong hands-on experience in Java, Spring Boot, and Microservices.
- Good experience with Angular (2+ versions preferred).
- Experience in REST API development and integration.
- Knowledge of HTML5, CSS3, JavaScript, and TypeScript.
- Strong understanding of SQL databases such as MySQL, PostgreSQL, or Oracle.
- Familiarity with Git, Maven, Jenkins, and CI/CD pipelines.
- Understanding of Agile methodologies.
Good to Have
- Experience with cloud platforms like AWS/Azure.
- Exposure to Docker and Kubernetes.
- Knowledge of Kafka or messaging systems.
- Experience working in enterprise-level applications.
JOB DESCRIPTION:
Location: mumbai
Mode of Work : 3 days from Office
DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API
- Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
- Implement and integrate APIs using Spring Framework and Apache CXF.
- Build microservices-based architecture for scalable and distributed systems.
- Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
- Optimize performance through efficient multithreading, memory management, and algorithm design.
- Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
- Work with RDBMS (preferably Sybase) for backend data integration.
- Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
- Work in Unix/Linux environments for deployment and troubleshooting.
Required Skills & Experience:
- 3– 7 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
- Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
- Proven experience with Spring, CXF, and REST/SOAP web services.
- Solid understanding of microservices architecture and distributed systems.
- Experience working with Sybase or other relational databases.
- Expertise in multithreading, concurrency, and high-throughput server-side development.
- Exposure to capital markets, sales & trading platforms, or similar financial services applications.
- Good working knowledge of Unix/Linux environments.
- Experience in solution architecture and design documentation is a strong plus.
- Strong problem-solving skills, analytical thinking, and a proactive attitude.
- Excellent communication and interpersonal skills to work effectively with global teams.
Preferred Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
- Previous experience in investment banking, capital markets, or financial technology domains.
For more details:
Website: www.wissen.com
Wissen Thought leadership : https://www.wissen.com/articles/
LinkedIn: Wissen Technology
The Technical Consultant is responsible for the design, development and deployment of assigned technical functionality for client projects in the social services, health and human services domain. A technical consultant works under the guidance of the Technical Architect and/or Senior Technical Consultant on design and development issues. A technical consultant will act as technology expert on the client implementation projects on direct customer facing positions on Diona’s customer engagements around the globe.
Responsibilities:
- Works with the Technical Architect/Principal Technical Consultant/Senior Technical Consultant to implement the optimum solution with the chosen COTS platform
- Works within the project team to ensure that the project technical standards are properly applied
- Works as part of a team to implement client business requirements in a timely, performance-centric and configurable/maintainable manner
- Liaise with team members and COTS vendors (as applicable) to ensure a quality project deliverable
- Apply problem solving techniques and product capability knowledge to ensure best results for the client engagement
- Prepare and deliver domain best practice/product capability presentations
- Present a professional and knowledgeable image of Diona Technologies Limited to customers
Skills and Attributes:
- 3+ years of experience in Software Design, Planning and Development using Java and allied technologies
- Expert knowledge of JavaScript, Java and strong object-oriented development is a must
- Experience with integration technologies such as SOAP and REST web services, Apache Camel, Spring Batch is a must
- Knowledge of JDBC, SQL, XML, JSON and HTML is a must
- Experience in the social and human services domain and COTS implementation is a plus
- Experience with modern JavaScript frameworks such as NodeJS, ReactJS, ExpressJS, Angular is a bonus
- Experience with MongoDB or any NoSQL database is a bonus
- Experience with Android or iOS mobile app development a bonus
- Exposure to IBM rational software design tools is a plus
- In-depth understanding of the entire development process, including specification, documentation and quality assurance
- Should possess excellent written and verbal communication skills
Educational qualification:
Engineering Degree or equivalent from recognized institutes
Location – Bangalore
About Us:
We’re a team of finance and technology enthusiasts who enjoy revolutionizing the investment industry through digital products & services. We’re building the next generation investment management platform for our financial professional customers so they can build better investment portfolios & help their clients retire in style.
About the role:
We’re looking for a full stack engineer to be part of a team of talented engineers and help us build high quality financial products that we launch to the market via partnerships with banks and broker-dealers. The candidate should be an innovator, highly technical, and passionate about speed, quality, and building amazing products. The candidate should also have demonstrated success in scaling platforms. Our team operates in a start-up environment with the backing of a large, industry leader and we actively cultivate a culture of innovation and excellence. The ideal candidate should enjoy working in this setting.
Responsibilities:
- Design, develop, test, deploy and maintain highly performant api-driven web applications on our stack (Angular, React, SASS, Java SpringBoot, Mulesoft).
- Design and implement REST APIs to industry/company standards
- Work with our amazing product design team to develop and iterate on user interfaces that bring simplicity to complicated financial data.
- Interact with engineering members across the organization to ensure consistency in engineering practices and foster active exchange of ideas
- We have development centers in Atlanta, Houston, New York City and India and the ability to collaborate across a global organization is a key skill.
- Perform peer code reviews. Review performance, security and flexibility of the code.
- Participating in agile ceremonies (e.g. daily standup, release and sprint planning, demos, scrum of scrums).
- Work with Architect to define technical roadmaps
- Participate and help to evangelist and promote enterprise solutions with business and technology partners
What we're looking for:
- 3+ years experienced in front-end frameworks, such as Angular and React
- 3+ years experience in back-end technologies, such as Node.JS, ExpressJS, or Java Springboot
- 2+ years experience with Mulesoft
- Experience with core AWS services
- Experience working in an Agile team and environment
- Familiarity with software engineering support systems and tools, such as Git, Jenkins, Bamboo, Gulp, Bower, Maven, Log4j
- Familiar with SSO solutions, such as SAML, OAuth, OpenID a plus
- Knowledge of the Financial Services industry a plus
Good to Have:
- Experience with DevOps tools like Docker, Kubernetes, Jenkins, etc.
- Experience in developing microservices-based architectures
- Knowledge of frontend technologies like HTML, CSS, and JavaScript
- Experience with Python technologies
JD OF FULL SUACK DEVEOPER
-5+yrs of strong experience in Java/J2EE technologies (Core Java, Spring, Spring boot, Hibernate,
JPA, Microservices)
*) Experience with working on Java 8.0 and its emerging road map for 11
*) Hands-on experience in Spring boot and good knowledge of MySQL, MongoDB
*) Hands-on experience in working with Angular 6 and above. Experience working with product
management and UI/UX designers having knowledge of advanced Javascript, JQuery
*) Working knowledge on components, modules, data/event bindings, templates, using and creating
directives, writing routes, services, forms, and models
*) Solid understanding of the full frontend and backend development life cycle
*) Strong experience in Spring Framework (Spring MVC, Spring Security, Spring data, OAuth)
*) Experience with Web services (SOAP and REST) and API integration. Good knowledge of JSON and
Swagger and Postman is required
*) Experience with web application servers like Tomcat, Jetty, JBoss. Knowledge of Kafka with MQTT
would be an added advantage
*) Experience with TDD, code testability standards, JUnit
*) Experience in managing configurations and deploying and hosting applications in AWS
*) Experience with DevOps tools like Git, Maven, SourceTree, Jenkins, Docker and CICD model of
development
*) Good experience of OOPS, algorithms, data structures, multithreading, design patterns and
industry best practices
*) Must have a good understanding of SOLID principles and why design principles are used.
*) Experience with Eclipse/IntelliJ and VS Code
- Is at least 2-3 startup’s old
- Has experience of building products from scratch and scaling.
- Has experience of managing at least 3-4 Engineers.
- Has experience of working with cross border / multi-ethnic teams / Different time zones.
- Has experience of building social media
- Has a formal education in technology
This is a technolog yagnostic position and you would be viewed as a technolog enthusiast who can work (not code) on architecture and designing of any application immaterial of the technology used.
Your experience as a programmer of a technical lead will benefit a lot.
If you believe in “ First, solve the problem. Then, write the code. ”, we are looking for you.
- Atleast 8 years of experience working either in Java/JEE, Python or Ruby on Rails.
- Ability to manage a team and handle clients.
- Very good at Analysis and Design.
- Passion to write good quality code.
- Able to work in a fast paced environment.
- Able to manage multiple tasks with changing priorities in a cross-functional environment
- Team player
- Ability to balance competing priorities.
- Excellent communication skills.
BoTree Technologies was incorporated in 2012 and since then we have constantly worked towards building a place to work which provides each member an opportunity to challenge herself and grow on a day to day basis.
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