Java Backend Developer

Your Impact

• Build scalable backend services.
• Design, implement, and maintain databases, ensuring data integrity, security, and efficient retrieval.
• Implement the core logic that makes applications work, handling data processing, user requests, and system operations
• Contribute to the architecture and design of new product features
• Optimize systems for performance, scalability, and security
• Stay up-to-date with new technologies and frameworks, contributing to the advancement of software development practices
• Working closely with product managers and designers to turn ideas into reality and shape the product roadmap.

What skills do you need?

• 4+ years of experience in backend development, especially building robust APIS using Node.js, Express.js, MYSQL
• Strong command of JavaScript and understanding of its quirks and best practices
• Ability to think strategically when designing systems—not just how to build, but why
• Exposure to system design and interest in building scalable, high-availability systems
• Prior work on B2C applications with a focus on performance and user experience
• Ensure that applications can handle increasing loads and maintain performance, even under heavy traffic
• Work with complex queries for performing sophisticated data manipulation, analysis, and reporting.
• Knowledge of Sequelize, MongoDB and AWS would be an advantage.
• Experience in optimizing backend systems for speed and scalability.

Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, and data structure.

We are solving complex technical problems in the financial 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 highly motivated and expert team which has made a mark as a high-end technical consulting.

Required Skills:

Experience - 3+.

Experience in Core Java 5.0 and above, CXF, Spring.

Extensive experience in developing enterprise-scale n-tier applications for financial domain. 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, preferably Sybase database.

Good knowledge of multi-threading and high-volume server-side development.

Experience in sales and trading platforms in investment banking/capital markets.

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.

Job Brief:

We are looking for experience in API and Node.js to produce scalable software solutions. You will be part of a cross-functional team that is responsible for the full software development life cycle, from conception to deployment. You should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility.

Responsibilities:

·       Work with development teams and product managers to ideate software solutions.

·       Design client-side and server-side architecture

·       Build the front-end of applications through appealing visual design.

·       Develop and manage well-functioning databases and applications.

·       Write effective APIs.

·       Test software to ensure responsiveness and efficiency.

·       Troubleshoot, debug and upgrade software.

·       Create security and data protection settings.

·       Build features and applications with a mobile responsive design.

·       Write technical documentation.

·       Work with data scientists and analysts to improve software.

Requirements:

·       Proven experience as a Full Stack Developer or similar role

·       Experience developing desktop and mobile applications.

·       Familiarity with common stacks

·       Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, Nodejs and .Net)

·       Familiarity with databases (e.g. MySQL, MS SQL, Mogo DB)

·       Good to have- Cloud knowledge (Azure, AWS)

·       Strong command on API Development with  Nodejs

·       Good to have- knowledge on multiple back-end languages ( Java, Python) and knowledge of JavaScript frameworks ( React, Angular, Node )

·       Excellent communication and teamwork skills

·       Great attention to detail

·       Organizational skills

Technical Skills:

HTML, CSS, React, API, JavaScript, Node, SQL, and Cloud knowledge (Azure/AWS)

 Experience – 4+ Years

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

Primary Duties

• Build a broad knowledge across various systems and processes via knowledge transfer and capture any missing information on the wiki

• Gather software requirements by talking to various stakeholders and document them

• Implement software solutions after discussing the requirements and taking direction from the Technical lead and talking to other colleagues within and outside the team

• Provide necessary effort and time estimates for tasks to aid scheduling and prioritization

• Provide necessary 3rd line support to the Operations teams including software fixes as needed

• Work on any BAU development activity including on-boarding new data sets and delivering new markets into the system

• Work with external vendors from time to time to gather necessary requirements for new data or changes to existing data specifications

• Maintain pro-active communication with relevant stakeholders and keep them updated on progress

General

• Any other duties commensurate with the post holder’s position and seniority; and
• All employees should understand that it is their personal responsibility to comply with all organisational, statutory and regulatory policies and procedures.

Experience, Knowledge & Skills

Essential

• 4+ years’ experience of programming in Java.
• 4+ years’ experience working with SQL including complex queries, stored procedures, views, database design and solid understanding of database concepts (preferably SQL Server)
• Experience of both Linux and Windows environments, scripting and tools
• Willing to carry out operational data tasks alongside developing new solutions
• Well organised with the ability to prioritise and manage multiple streams of work
• Excellent communication skills

Beneficial

• Experience working with Cloud environments (preferably AWS)
• Experience in handling financial data sets and familiarity with financial instruments (equities, futures, FX)
• Experience working with data pipelines and building ETL solutions
• Experience working with tools like Flink, Kafka and Tableau

Educational & Professional Qualifications

• Educated to degree (or equivalent) level or higher.
• A degree with mathematical and computing content (e.g. Computer Science, Maths, Physics)

Rules & Responsibilities:

Technical Skills:

1. .Net– Net, C#, .Net core, MVC, Framework, Web API, Web Services, Micro Service and SQL
2. Azure – Azure Cloud, SaaS, PaaS, IaaS, Azure Relational, and No-SQL Database, Big Data Services

Responsibilities

• Good understanding of and experience in working on Microsoft Azure (IAAS/PAAS/SAAS)
• Ability to architect, design, and implement cloud-based solutions
• Proven track record of designing and implement the IoT-based solutions/Big Data solutions/applications to the Azure cloud platform.
• Experience in building .Net-based enterprise distributed solutions in Windows and Linux.
• Experience in using CI and CD tools. Jenkins/ Azure pipeline and Terraform. Experience in using another tooling such as Ansible, CloudFormation, etc.
• Good understanding of HA/DR Setups in Cloud
• Experience and working knowledge of Virtualization, Networking, Data Center, and Security
• Deep hands-on experience in the design, development, and deployment of business software at scale.
• Strong hands-on experience in Azure Cloud Platform
• Experience in Kubernetes, Docker, and other cloud deployment, container technologies
• Experience / knowledge of other cloud offerings (e.g. AWS, GCP) will be added advantage
• Experience with monitoring tools like Prometheus, Grafana, Datadog, etc.

Responsibilities Include

You will break down business opportunities and problems into software solutions. You will work closely with the CTO to help product and marketing stakeholders distill the product vision and roadmap, into a technology vision. You will be responsible for the evolution of an already bleeding-edge highly distributed systems at the back-end, and would need to work with front-end architects to come up with the best user experience for the gaming platform. You will be required to make decisions quickly, and work under strict timelines. You would lead technology strategy through analysis of market trends and product requirements. You would help set coding guidelines and help bring the most modern tools to keep engineering processes most efficient.

Requirements

• B.E/MS in Computer Science or equivalent.
• 10+ years or more of progressive software technology experience with at least 3 years in an architectural role.
• Completely hands on with technology and architecture. Start-up experience is a huge plus.
• Ability to quickly prototype and demonstrate technology value adds and educate + drive adoption within the extended technology team
• Excellent and robust understanding of scalable product system architecture(s), platforms and core technologies
• Demonstrated problem-solving and leadership skills to pursue correct engineering process in adverse conditions. Ability to embrace and demonstrate leadership beyond ownership
• Work with engineering leadership to setup and manage processes.
• Track record of thought leadership and out of the box thinking in the technology arena.
• Ability to work efficiently in an entrepreneurial and in a start-up environment
• A Java/Spring/Akka, Javascript or Golang rockstar.
• Deep and hands on knowledge of some of these technologies - MySQL, NodeJS, message brokers such as Kafka/RabbitMQ, NoSQL datastore such as Mongo, Cassandra, Arango, distributed caches such as Redis/memcached, container technology such as Docker and Kubernetes etc.
• Great proficiency in distributed systems design, with an ability to make the right trade-offs for creating future-proof solutions.
• Building quick PoCs and full-fledged solutions with various AWS managed services would be a big plus.