
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. - 5-8 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.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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JOB DETAILS:
* Job Title: Engineering Manager (Client facing)
* Industry: Technology
* Salary: Best in Industry
* Experience: 8-12 years
* Location: Bengaluru
Role & Responsibilities
We are seeking a visionary and decisive Engineering Manager to join our dynamic team. In this role, you will lead and inspire a talented team of software engineers, driving innovation and excellence in product development efforts. This is an exciting opportunity to influence and shape the future of our engineering organization.
Key Responsibilities:
- Provide technical leadership and mentorship to a high-performing team of software engineers.
- Develop and implement engineering strategies that align with organizational goals.
- Manage multiple concurrent projects, ensuring timely delivery and high-quality outcomes.
- Collaborate closely with cross-functional teams to define and prioritize product features.
- Implement and uphold Agile methodologies to optimize team performance and efficiency.
- Conduct regular performance evaluations, fostering continuous professional growth within the team.
- Oversee the entire software development lifecycle, from initial conception through to deployment.
- Manage budgets, resources, and capacity planning for engineering projects.
- Stay up-to-date with emerging technologies, ensuring the team is equipped with the latest industry trends.
- Ensure adherence to best engineering practices, maintaining high coding standards.
- Hands-on coding experience required – actively contribute to coding and technical design decisions.
- Tech stack: Java, Spring, microservices, cloud technologies, and building large-scale systems.
- Experience in collaborating directly with clients – ensuring client requirements are met and managing relationships effectively.
Ideal Candidate
- Strong Client-Facing Engineering Manager Profile
- Must have 8+ years of engineering experience, with substantial exposure to back-end development, scalable distributed systems, and modern web services
- Must have 2+ years of experience in people and delivery leadership, owning engineering execution and leading teams to deliver complex products
- Must have proven experience working directly with external stakeholders / clients, translating client requirements into engineering plans and delivering solutions with high customer impact
- Strong technical foundation with experience in backend engineering, REST APIs, databases (SQL/NoSQL), and building reliable, high-performance systems
- Strong problem-solving and design capabilities; experience with system design, architecture reviews, and engineering best practices
- Must have expertise in agile methodologies and project management tools
- Excellent written and verbal communication skills, with a track record of presenting technical solutions to both technical and non-technical stakeholders
- (Cross-Functional Collaboration): Must be skilled in working with product, design, sales, and client teams to drive requirements, delivery, and client success
- (Execution & Delivery): Demonstrated ability to manage end-to-end delivery, coordinate releases, prioritise effectively, and deliver results in time
- (Company): Product companies
- (Stability): Must have stayed for at least 2 years with each of the previous companies
- (Education): B.Tech in computer science, engineering or a related field from Tier 1, Tier 2 colleges (Master's preferred)
Elocity is a cleantech start-up striving to make the world a better place through technology innovations. We are building a global infrastructure for making the transition to electric vehicles viable, affordable, and sustainable by working closely with the utilities, governments, and public.
Headquartered out of Canada, we are a team of highly specialized domain experts and problem solvers enabling utilities, public and private sector entities to successfully manage the demands of electric vehicle charging and its infrastructure needs to pave the way for electromobility in future.
To know more visit https://elocitytech.com/
Responsibilities:
- Determines technical feasibility of features or solutions by evaluating problem, customer requirements, possible solutions and technology requirements.
- Exercises judgement in prioritizing tasks and selecting methods and techniques for obtaining solutions.
- Create low-level design of modules of a software application through proper documentation and
- diagrams.
- Develops software solutions by studying requirements, clarifying customer/user needs, analysing data
- and processes and following established software development practices and processes.
- Develops proof of concepts for technical evaluation and early customer feedback
- Updates and shares knowledge by studying state-of-the-art development tools, programming
- techniques, and computing technology; reading professional publications
- Networks with internal and external personnel in own area of expertise.
- Skills:
- Good command in JavaScript/TypeScript. Knowledge of Java/Python will be a plus.
- Experience in Debugging/troubleshooting TypeScript code.
- Experience in API development (REST/GraphQL etc)
- Experience in development of Web and Mobile(android/iOS) applications
- Exposure of Parallel and Asynchronous programming
- Experience in writing Unit tests (Jest or any similar framework)
- Should be proficient in relational Database concepts (Postgres etc.)
- Knowledge of Non-relational Databases would be a plus.
- Good Understanding of Object-Oriented Programming Concepts.
- Good Understanding of Design Patterns.
- Good command of Data structures, Algorithms and Complexity.
- Good at problem solving and analytical skills.
- Experience with Source Code Versioning systems (Git etc)
- Understanding of Micro services Architecture would be a plus
Job Description: Core Java Developer
Company: Mobile Programming LLC
Location: Pune (Remote work available)
Salary: Up to 16 LPA
Position: Core Java Developer
Responsibilities:
- Design, develop, and maintain Java-based applications using Core Java and Spring Boot frameworks.
- Collaborate with cross-functional teams to deliver high-quality software solutions.
- Conduct code reviews and troubleshoot/debug complex issues.
- Optimize application performance and stay updated with industry trends.
Requirements:
- Minimum 6 years of hands-on Core Java development experience.
- Strong proficiency in Spring Boot framework.
- Solid understanding of OOP principles, web development (HTML/CSS/JavaScript), RESTful web services, and SQL.
- Experience with Git and problem-solving skills.
- Excellent communication skills and ability to work independently and as part of a team.
- Bachelor's or Master's degree in Computer Science or a related field.
Note: Immediate joiners required. Please include your resume and relevant code samples/projects when applying.
● Execute these via designs and high quality implementations in Java and/or Python.
● Work with frontend engineer to clearly demarcate division of responsibilities via REST based interfaces.
● Focus on solutions that deliver non functional requirements around performance, scalability, security, high availability, monitorability, debuggability and other such concerns.
● Evaluate new technologies and build prototypes for continuous improvements
● Very strong real world experience on Java, Springboot, Microservices.
● Advocate best practices and standards
Work closely with Product Manager to derive capability view from features/solutions, Lead execution of medium-sized projects Work with broader stakeholders to track the impact of projects/features and proactively iterate to improve them As a senior software engineer you must have Extensive and expert programming experience in at least one general programming language (e.g. Java, C, C++) & tech stack to write maintainable, scalable, unit-tested code. Experience with multi-threading and concurrency programming Extensive experience in object-oriented design skills, knowledge of design patterns, and huge passion and ability to design intuitive module and class-level interfaces Excellent coding skills – should be able to convert the design into code fluently Knowledge of Test Driven Development Good understanding of databases (e.g. MySQL) and NoSQL (e.g. HBase, Elasticsearch, Aerospike, etc) Strong desire to solving complex and interesting real-world problems Experience with full life cycle development in any programming language on a Linux platform Go-getter attitude that reflects in energy and intent behind assigned tasks Worked in a startups environment with high levels of ownership and commitment BTech, MTech, or Ph.D. in Computer Science or related technical discipline (or equivalent). Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with a huge amount of data. An open communicator who shares thoughts and opinions frequently listens intently and takes constructive feedback. As a Software Engineer, good to have The ability to drive the design and architecture of multiple subsystems Ability to break-down larger/fuzzier problems into smaller ones in the scope of the product Understanding of the industry’s coding standards and an ability to create appropriate technical documentation. PhonePe Full Time Employee Benefits Insurance Benefits - Medical Insurance, Critical Illness Insurance, Accidental Insurance, Life Insurance Wellness Program - Employee Assistance Program, Onsite Medical Center, Emergency Support System Parental Support - Maternity Benefit, Paternity Benefit Program, Adoption Assistance Program, Day-care Support Program Mobility Benefits - Relocation benefits, Transfer Support Policy, Travel Policy Retirement Benefits - Employee PF Contribution, Flexible PF Contribution, Gratuity, NPS, Leave Encashment Other Benefits - Higher Education Assistance, Car Lease, Mobile & Broadband Reimbursements, Salary Advance Policy
Senior Software Engineer (L4 - Tech Lead)
Because you belong at Twilio.
The Who, What, Why and Where
Twilio is growing rapidly and seeking a Staff Software Engineer to lead the design and implementation phases of cloud-based distributed systems built to seamlessly scale to several million transactions per day.
Who?
As a Staff, Software Engineer (L4 - Tech Lead) in the Account Security team, you will lead the design and implementation phases of cloud-based distributed systems built to seamlessly scale to several million transactions per day. Not only will you be responsible for tackling some of the most complex and exciting technical problems in the industry, you will also be sharing your technical expertise with other engineers and leading them through an accelerated learning process.
You are intrigued by the intersection of the cloud, telecommunications and security spaces, how to harness the power of SMS and voice to enable millions of consumers to securely sign up and sign in every day using the services from the global brands they trust. You enjoy the challenge of owning a mission critical service and engineering it to work reliably in any circumstance.
You are also passionate about collaborating with multiple R&D and product teams, crafting together microservices and APIs that developers around the world will demonstrate to deliver new applications. You have strong communication skills, and a belief that team output is more important than individual output.
Minimum Qualifications
- 7+ years of experience with at least two programming languages such as Java, Scala, Python, Ruby, JavaScript or Go.
- 5+ years of experience working with modern agile product development teams of engineers, product managers and designers.
- 5+ years of Experience with SQL/NoSQL technology such as PostgreSQL, MySQL, DynamoDB understanding common use cases and performance pitfalls
- 2+ years of Experience dealing with event-driven architectures and message brokers such as RabbitMQ, KAFKA, ActiveMQ, etc and an in depth understanding of their use cases and pitfalls
- Versed in concepts such as DDD, SOLID, Cloud Native Patterns, distributed systems and architecture. Capable of understanding pitfalls and anticipating common failure modes of a microservice environment.
- Experienced in implementing prototypes and in practices and concepts such as MVP, A/B testing and feature toggles for rolling-out features to production.
- Strong communication skills: able to communicate effectively with technical and non technical partners
- Bachelor’s degree in computer science or equivalent professional experience.
- Passion for new technologies and proven capability in analysis and problem-solving.
- Strong troubleshooting and monitoring skills with practical experience in modern tools such as Kibana, Datadog, PagerDuty or related.
Preferred Qualification
- Experience with https://stackshare.io/twilio/verify-telephony">our stack
- Track record as a full-stack engineer
- Experience with AWS related technologies
- Background in telecommunications domain
- Background in security domain
What?
- BE AN OWNER: Take full end-to-end ownership of your services, from designing to operations and monitoring in production.
- EMPOWER OTHERS: Provide a safe work environment that embraces failure as a way of learning and inspires our engineers to be inventive and motivated.
- NO SHENANIGANS: You always act in an honest, direct and transparent way and uphold our values.
- WEAR THE CUSTOMER’S SHOES: Besides technical excellence, always keep in mind what is the business problem we are trying to solve for our customers and how our decisions impact them.
- WRITE IT DOWN: Evaluate opportunities, risk and technical strategies and provide key findings to internal partners.
- RUTHLESSLY PRIORITIZE: Work in a fast paced environment. It is key for you to understand, document and define risks that drive and enhance the organization's ability to prioritize while advising the business of these priorities.
- BE BOLD: Drive architecture and building systems for multiple orders of magnitude of growth. Every big idea starts small: open up the boundaries and keep raising the bar as solving small problems can bring big results. Never settle and keep pushing yourself and the teams forward.
- BE INCLUSIVE: Coach, mentor and inspire engineering teams by building and ensuring a safe and inclusive environment where all voices can be heard.
- DRAW THE OWL: Influence teams to continuously be improving while supporting progressive ways to solve problems; adopt new technologies and strategies where applicable.
- DON’T SETTLE: Always look for the next opportunity for Twilio to improve our quality, reliability and security to continuously earn our customers trust.
Why?
Our developers build the leading Twilio Verify service used by millions of customers around the world. Every day we push the boundaries of web-scale service delivery, operating with utmost reliability the API services that secure the online presence of the biggest brands. We are passionate about crafting simple APIs that developers will love.
By joining us you will have the opportunity to work on the next generation of Twilio multi factor authentication and identity verification services with a team of forward-thinking and supportive professionals who will care about helping you on a successful career path. Twilio is truly unique; we are a company committed to your growth, your learning, your development, and your entire employee experience. We only win when our employees succeed, and we're dedicated to helping you develop your strengths. We have a cultural foundation built on diversity, inclusion, and innovation, and we want you and your ideas to thrive at Twilio.
Where?
This position will be located in our office in Bangalore, India. You will enjoy our office perks: catered meals, snacks, game room, ergonomic desks, massages, bi-weekly All Hands and more. What you will also get to experience is a company that believes in small teams for maximum impact; seeks well-rounded talent to ensure a full perspective on our customers’ experience, understands that this is a marathon, not a sprint; that continuously and purposefully builds an inclusive culture where everyone is able to do and be the best version of themselves.
About Us
Millions of developers around the world have used Twilio to unlock the magic of communications to improve any human experience. Twilio has democratized communications channels like voice, text, chat, video and email by virtualizing the world’s communications infrastructure through APIs that are simple enough for any developer to use, yet robust enough to power the world’s most demanding applications. By making communications a part of every software developer’s toolkit, Twilio is enabling innovators across every industry — from emerging leaders to the world’s largest organizations — to reinvent how companies engage with their customers.
Invest in weeks dedicated to tackling hard problems and creating your own ideas. We have a cultural foundation built on diversity, inclusion, and innovation, and we want you and your ideas to thrive at Twilio
| Upgrade existing Java (1.6) application running on Apache Tomcat to new Java (1.8) version and new Apache Tomcat version |
| Make necessary code changes for porting application to new Java versions and Tomcat versions |
| Set up new application environments for Dev, SIT and Production |
| Perform unit testing and support user testing. |
| Deploy new upgraded application in production |
| Provide post implementation support. |
| Analyze and resolve defects coming out of testing and post production deployment. |
| Modify existing application code to use Sql Server as backend. |
| Develop Java code as needed. |










