
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.
Connect with the team
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Full Stack Developer (SDE-2)
Job Description
We are looking for engineers who are passionate about solving complex problems and building next generation products for a global customer base & scale.
Job Responsibilities
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- On Calls Monitoring the performance of live applications and work on optimising them at the code level
- Clearly understand the requirements, designs and convert them into high quality code.
- Identifying and resolving the bugs and enhancing application performance. Performing unit testing on code
- Collaborating with cross-functional teams to define and design new features
- Staying up to date with new mobile technology trends, applications, and protocols
- Develop a highly scalable and secure cloud-based system for collecting health data and performing analytics.
- Document software and features for internal and external engineering teams
- Collaborate with other groups (QC/testing, algorithm developers, etc.)
Skills/ Experience
- 3 to 8 years of experience in developing ecommerce B2B/B2C products/platforms.
- Engineering or Equivalent Bachelor’s degree preferable from top engineering colleges.
- Expertise in Data Structure, Algorithms & System Design
- Expertise In Java/JavaEE/Spring/SpringBoot/HTML/CSS/Angular/React/Vue JS
- Expertise In Database RDBMS/NoSQL (Solr/REDIS/MongoDB/RabbitMQ/Kafka etc)
- Good understanding In GCP/AWS/DevOps/SRE/On-Calls.
- Good understanding of AI/ML/Data Science Algorithms.
- Able to work and thrive in a fast-paced, rapidly changing work environment
- Should have excellent communication skills, with an ability to convey ideas clearly & precisely
- Must have leadership skills & a good team player
- Must be pro-active & a self-starter
- 2+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
Responsibilities:
Design, develop and maintain software applications using Java programming language
Write well-designed, testable, efficient code
Collaborate with cross-functional teams to identify, prioritize and execute tasks in a timely manner
Troubleshoot and debug software issues
Ensure software quality by performing thorough testing and code reviews
Keep up-to-date with new technologies and programming languages
Participate in the full software development lifecycle, including planning, designing, coding, testing, and deploying software
Document software development processes, procedures and code changes
Provide technical guidance to team members
Requirements:
Bachelor's degree in Computer Science or related field
Minimum of 3 years of experience in Java development
Strong knowledge of Java programming language and related frameworks (Spring, Hibernate, etc.)
Proficient in using development tools (Eclipse, IntelliJ IDEA, etc.)
Experience with relational databases (Oracle, MySQL, etc.)
Familiarity with software development methodologies (Agile, Scrum, etc.)
Excellent problem-solving and analytical skills
Strong communication and teamwork skills
Preferred Qualifications:
Master's degree in Computer Science or related field
Experience with microservices architecture
Familiarity with front-end technologies (HTML, CSS, JavaScript, etc.)
Knowledge of cloud computing platforms (AWS, Azure, etc.)
Experience with DevOps practices and tools (Jenkins, Docker, Kubernetes, etc.)
Overview Atom Technologies began its operations in 2005, with the sole aim of providing secured and seamless digital payment solutions to all. Throughout the years, Atom has been successfully developing innovative and award-winning digital payment solutions, catering to the needs of Small and Medium Merchants alike. This encompasses services like POS, Payment Gateway, IVR and Mobile Application. Roles and Responsibilities · Displaying sound knowledge of software engineering process, you will work on Payment domain projects · You will participate in AGILE teams. · You should have ability to work as an individual contributor. · You will need to use capability of customer focus and collaboration skills · Using good analytical, debugging and tracing skills, you should be well-versed with clean code principles (SOLID, DRY, KISS) and exposure to secure coding is beneficial.
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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
Solid understanding of OOPS concepts and design methodology - good to have Inheritance, aggregation, and composition
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Creating database schemas that represent and support business processes, queries, and procedures
Proficient understanding of code versioning tools, such as (Git / Mercurial / SVN) and familiarity with Continuous integration and deployment

Position : Lead / Developer - Guidewire
Experience : 7 – 12 Yrs
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Key Skills : Java/J2EE, Gosu, GW plug-ins, Jenkins/Mavens/TFS, Guidewire BillingCenter Functional & Integration, GX model, BillingCenter data model, P&C Insurance domain, SQL, JMS, Message Queue
Skills Required :
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- Hands On experience in Rating Management(Rate table, routines, Product Model etc)
- Hands on Experience with Billing Center Components like Invoice, Disbursement, Deliquency, Payment Plan, Billing Plan etc.
- Hands on Experience in Configuration and Entity customization.
- Should ready to relocate Hyderabad.
- Pre Covid WFH, post Covid need to work from office.
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Be Part Of Building The Future
Dremio is the Data Lake Engine company. Our mission is to reshape the world of analytics to deliver on the promise of data with a fundamentally new architecture, purpose-built for the exploding trend towards cloud data lake storage such as AWS S3 and Microsoft ADLS. We dramatically reduce and even eliminate the need for the complex and expensive workarounds that have been in use for decades, such as data warehouses (whether on-premise or cloud-native), structural data prep, ETL, cubes, and extracts. We do this by enabling lightning-fast queries directly against data lake storage, combined with full self-service for data users and full governance and control for IT. The results for enterprises are extremely compelling: 100X faster time to insight; 10X greater efficiency; zero data copies; and game-changing simplicity. And equally compelling is the market opportunity for Dremio, as we are well on our way to disrupting a $25BN+ market.
About the Role
The Dremio India team owns the DataLake Engine along with Cloud Infrastructure and services that power it. With focus on next generation data analytics supporting modern table formats like Iceberg, Deltalake, and open source initiatives such as Apache Arrow, Project Nessie and hybrid-cloud infrastructure, this team provides various opportunities to learn, deliver, and grow in career. We are looking for innovative minds with experience in leading and building high quality distributed systems at massive scale and solving complex problems.
Responsibilities & ownership
- Lead, build, deliver and ensure customer success of next-generation features related to scalability, reliability, robustness, usability, security, and performance of the product.
- Work on distributed systems for data processing with efficient protocols and communication, locking and consensus, schedulers, resource management, low latency access to distributed storage, auto scaling, and self healing.
- Understand and reason about concurrency and parallelization to deliver scalability and performance in a multithreaded and distributed environment.
- Lead the team to solve complex and unknown problems
- Solve technical problems and customer issues with technical expertise
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Requirements
- B.S./M.S/Equivalent in Computer Science or a related technical field or equivalent experience
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- Strong foundation in data structures, algorithms, multi-threaded and asynchronous programming models, and their use in developing distributed and scalable systems
- 5+ years experience in developing complex and scalable distributed systems and delivering, deploying, and managing microservices successfully
- Hands-on experience in query processing or optimization, distributed systems, concurrency control, data replication, code generation, networking, and storage systems
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- Interested and motivated to be part of a fast-moving startup with a fun and accomplished team
people never feel the need to carry cash or cards again. We believe India is at the cusp of a new
mobile revolution, which will change the way we manage our money on the go. We see ourselves
facilitating this change, through technology and dogged customer centricity.
At PhonePe, we take extra care to make sure you give your best at work, Everyday! And creating the
right environment for you is just one of the things we do. We empower people and trust them to do
the right thing. Here, you own your work from start to finish, right from day one.Being enthusiastic
about tech is a big part of being at PhonePe.
If you like building technology that impacts millions, ideating with some of the best minds in the
country and executing on your dreams with purpose and speed, join us!
Role
As a senior software engineer,
● You will build Robust and scalable web-based applications
● You will need to think of platforms & reuse
● Build abstractions and contracts with separation of concerns for a larger scope
● Drive problem solving skills for high-level business and technical problems.
● Do high level design with guidance; Functional modelling, break-down of a module
● Do incremental changes to architecture: impact analysis of the same
● Do performance tuning and improvements in large scale distributed systems
● Mentor young minds and foster team spirit
● Breaks down execution into phases to bring predictability to overall execution
● Work closely with Product Manager to derive capability view from features/solutions
● Lead execution of medium sized projects
● Work with broader stakeholders to track 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 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 startup like environment with high levels of ownership and commitment
● BTech, MTech, or PhD 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 huge amount of data.
● 5+ years of experience in the art of writing code and solving problems for large Scale.
● Open communicator who shares thoughts and opinions frequently, listens intently and
takes constructive feedback
As a senior software engineer, good to have
● Ability to drive 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.

