About Wise
Wise is digital infrastructure for online education. Oversimplified as ‘Shopify for Tutors’ i.e., an easy to use tool for tutors to start teaching online. We have grown to 2mn users in 12 months and have much to do. We are backed by an incredible set of investors and individuals who have built product you already use. We have a small but rockstar team, cheap equity, smart money, opportunity to capture a huge market ($60bn) and a chance to make an impact while doing so.
What we need
We need you, if you are a senior software engineer with 4+ years of experience in building robust scalable systems. Work would involve building things quickly and adapting based on market feedback while ensuring the security and quality of the codebase. If you love coding and building things excites you, we would like to talk to you.
What you will need (Skills)
- Experience building microservices and distributed systems, RESTful APIs, user interfaces
- Knowledge and will of writing unit, integration tests is a must. TDD is a plus
- Preferably a polyglot: Strong command Ruby/Golang/Java/Python
- Some exposure to infra: Deployments, CI/CD setup, security. AWS exposure is good to have
- Strong database concepts. Experience with MongoDB is a plus
What you will do
- Feature analysis, hands on development, code reviews, deployment & rollouts
- Passionately maintain coding practices, quality & good design standards
- Design and develop highly scalable, available, secure and fault tolerant systems
- Actively contribute in assessing & improving/optimizing security & infrastructure
Great to have
- Sense of ownership
- Developers who can talk product and strategy
- Experience in building scalable consumer products
- Strong opinions, loosely held
Good to have
- Interest in mentorship
- Good written communication skills
- Bangalore love
Probably not ideal if
- If you have always been right about stuff in life
- No flexibility around working hours (this doesn’t mean we work long hours but if our systems get attacked in the middle of the night, we would need you to HODORR!)
Definitely get in touch if you
- Would have started the exact same company but willing to build it together with a great team
- Find our current product unbearably slow or inadequate
- Think this company isn’t going to work as it is right now

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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 to 12 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.
Roles and Responsibilities
Strong Backend Engineering (Golang) Profiles
Mandatory (Experience 1) – Must have 3+ years of hands-on backend engineering experience, with at least 2+ years working primarily in Golang on production systems
Mandatory (Experience 2) – Must have strong hands-on experience with Golang, including writing clean, scalable, and maintainable backend services
Mandatory (Experience 3) – Must have experience designing, developing, and owning RESTful and/or gRPC APIs end-to-end (from design to production)
Mandatory (Experience 4) – Must have solid experience working with databases such as PostgreSQL/MySQL/ MongoDB
Mandatory (Experience 5) – Must have a strong understanding of concurrency, performance optimization, and memory management in Go
Responsibilities:
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review • Designing, implementing, and maintaining Java applications that are often high-volume and low-latency.
• Identify bottlenecks and bugs, and devise solutions to these problems
Skills: • Expert hands on knowledge of latest technology, good exposure to web technologies and open to all technologies like Java, J2EE, Spring boot , Microservices, Cloud computing, any DB • Very good exposure to DevOps concepts and tools, Continuous Integration and Continuous Delivery • Quick learner, believes in continuous learning and acts as a catalyst for building the culture within the organization • Analytical thinking skills, problems solving with strong exposure to root causing tools and techniques and ability to come up with solutions in complex situations.
• Solid understanding of object-oriented programming
• Familiar with various design and architectural patterns
• Skill for writing reusable Java libraries
• Experience with both external and embedded databases
• Understanding fundamental design principles behind a scalable application
• Proficient understanding of code versioning tools, such as Git
• Familiarity with build tools such as Ant, Maven, and Gradle • Deep insight of Java and JEE internals such as memory management, transaction management, etc. • Implementation of API. • Problem solving skills, analytical mind, and a positive attitude. • Experience with test-driven development. • Experience in the Spring, Spring Boot, and Hibernate • Knowledge of developing REST API. • Results oriented and focused on meeting deliverable timelines. • Good communication skills • Problem-solving attitude • Ability to establish priorities • Teamwork and willingness to listen to others • Eagerness to learn new ideas, concepts, and technologies. • Understand Java EE Architecture
• Clear understanding of web services and SOA related standards like REST/OAuth/JSON • Good knowledge of MicroServices. • Expertise developing enterprise-level web applications and RESTful APIs using MicroServices, with demonstrable production-scale experience. • Working experience in Industry Standard protocols related API Security • Strong background working with Linux/UNIX environments. • should have hands-on experience in developing software with agile or scrum methodologies and are ready to lead our junior developer's team.
As a Node.js Developer, you will be responsible for:
Designing, developing, and maintaining server-side applications and systems using Node.js, a JavaScript runtime environment. Your expertise in backend development, JavaScript, TypeScript, and REST APIs will play an essential role in creating efficient and powerful server-side applications.
Responsibilities:
● Design and implement efficient, secure, and maintainable server-side code using Node.js.
● Collaborate with the front-end development team to integrate user-facing elements with server-side logic.
● Develop APIs for seamless data flow between the front-end and back-end.
● Optimize application performance and ensure high availability and scalability.
To succeed in this role – you should have the following:
● Minimum of 3-4 years of experience as a backend developer.
● Must have proven experience as a Back-End Developer, with a focus on Node.js.
● Proficiency in JavaScript, TypeScript, and related frameworks (Express.js, Hapi.js, etc.).
● Experience with RESTful API design principles.
● Experience with agile development methodologies.
● Familiarity with working with at least one of PostgreSQL or MongoDB.
● Familiarity with version control systems (Git)
● Strong communication skills and ability to work collaboratively in a team.
● Strong problem-solving skills and attention to detail.
Added bonus:
● Familiarity with frontend development technologies like HTML and CSS.
● Experience working with Docker, Github Actions, and other common CI/CD pipelines
● Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
Education:
Bachelor's degree in Computer Science, Information Technology, or a related field
Basic Qualifications:
- 3+ years of non-internship professional software development experience
- Programming experience with at least one modern language such as Java, C++, or C# including object-oriented design
- 1+ years of experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems.
Additional Job requirements
- BS/MS/PhD in Computer Science/Math or equivalent
- BS in computer science or related field.
- 2+ years of relevant professional software development experience: designing, developing, and delivering software written in Java, C#, or C++, web development.
- Knowledgeable in object-oriented design patterns.
- Experience building highly scalable and distributed systems
Preferred Qualifications
- Experience with service-oriented architecture and application/services development
- Passion for performance debugging and benchmarking
Ability to clearly and concisely communicate with technical and non-technical stakeholders across all levels of the organization
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 2.5 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large scale social or location-base
Key Responsibilities:
Experience with developing/implementing web applications built on PHP technologies.
Provide technical guidance and recommendations to other team members as required.
Development responsibilities include doing code review / bug analysis, analyzing development and impacts.
Provide effort planning estimates for application change requests and defect resolutions.
Run daily stand-up meetings as required and in concert with the program technical lead .
Assist in establishing and updating application release plans.
Manage and perform Web application deployments.
Perform root cause analysis for production issues and provide resolutions in a timely fashion .
Develop and maintain technical documentation Skills Requirement:
Minimum 1 years of experience with team leading
Minimum 2 to 3 year experience in laravel mysql
Excellent knowledge of REST services
Excellent knowledge of RDBMS concepts and database designing
Good Communication skills in Malayalam and English
Problem solving and decision making skills
Prior experience in handling a team.
Agile background is a plus.
Ready to adapt / learn a new programming language / tools / framework based on project requirements.
Able to provide technical leadership to a team of software engineers.
Required Skills: Angular 11/12, .NET framework, .NET Core, Web APIs, Web Security,
Microservices, Event driven architecture, Clean Code and 12 Factor principles, Azure
PaaS services experience, public facing web application development, web analytics,
Bootstrap v5, Angular Material, jQuery, HTML/CSS, SQL Server, Transact-SQL, Azure
SQL
Experience working with software design, software development life cycle, and
development methodologies and implementation
Experience working with product systems design principles
Experience working with appropriate programming languages, operating systems,
hardware and software
Experience working with company application development policies and procedures
Experience working with company software and hardware products and related
business issues that may impact overall business plans

● work directly with the product team to understand requirements, help formulate aggressive growth plans, and then translate that into an effective technical solution
● design and create services and system architecture for your projects
● participate in brainstorming sessions and contribute ideas to our technology, algorithms
and products
● dive into difficult problems and successfully deliver results on schedule
What will your day look like?
1. Own all services and tools
2. Develop and deploy required services responsible for the evolution of the overall product
3. Do server-side development in golang/python preferably (or any other language)
4. Deploying stuff in production in docker containers
5. Write tests
6. Invent awesome stuff to make your job easier
What are we looking for?
1. Motivation to design and build reliable, elegant backend services
2. Energy to build smart internal tools quickly
3. At least 1-2 years of backend development experience
4. Proficiency in golang is desired. We are open to you learning on the job.
5. Familiarity with SQL. Experience with Postgres, Redis is preferred.
6. Familiarity with message-oriented middleware like rabbitmq, google pubsub is preferred.








