Golang Developer

Java Technical Lead – Job Description 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 a highly motivated and expert team which has made a mark as a high-end technical consulting. Experience: 10+ years Location: Bangalore Job Description: • Experience in Core Java, Spring Boot. • Experience in microservices. • Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should be able to analyze, design, develop and test complex, low-latency client-facing applications. • Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2 • Good knowledge of multi-threading • Basic working knowledge of Unix/Linux • Excellent problem solving and coding skills in Java • Strong interpersonal, communication and analytical skills. • Should be able 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. 

Job Role Java lead

Experience 8+ years

Notice period Immediate

Location Bangalore

Note: OMS & Retail domain Experience is mandatory

Introduction

We are seeking a Development Lead (Dev Lead / Technical Lead) with strong hands-on experience in Java and

Microservices to lead a team of developers in designing, developing, and delivering high-quality, scalable

applications. The role requires a balance of coding, technical decision-making, and team mentorship.

Job Description

• Create, design, and implement layouts for new and existing software solutions.

• Must be able to lead a team of engineers and ensure high quality software delivery from the team. Be

approachable to the team members.

• Take complete ownership of the Design that they are responsible for.

• Ability to understand business requirements of clients and translate them into technical requirements.

• Identify impacts of planned work on existing functionality.

• Plan and estimate work to be completed.

• Conduct code reviews to ensure that the software deliverables are of the highest quality.

• Keep an eye on the Tech Debt and plan for managing at an acceptable level.

• Lead interactions with clients from a Tech team perspective.

Certifications :

• Oracle Certified Java Professional

• Spring Certified Professional

• Any NoSql / Cassandra / MongoDB certified developer

• GCP, AWS, & Azure Certified (Mandatory)

• Any retail OMS / Supply Chain product certifications

Primary Skills :

• 8+ years of proven experience in the industry, with at least 2 years as an Lead or similar role designing

and developing enterprise-scale applications.

• Bachelors in engineering / technology (4 year) or master's in computer applications (2 year)

• Must possess at least 6+ years of Software development experience.

• Expert knowledge in at least one object-oriented programming language like Java, one backend

framework like Spring Boot / Node JS, one UI framework like React JS / Angular JS and RDBMS or NoSQL

database.

• Excellent knowledge of front-end programming languages, such as HTML, CSS, JavaScript, and AngularJS,

with the ability to render server-side and client-side content.

• Helps identify newer practices and adoption of existing ones. Ensure that the code quality is maintained

via own and/or peer code reviews.

• Can lead the team in delivery of backend and user interface code. Ensure that the DevOps tasks are

executed well.

• Ensure that the software has the correct level of logging & monitoring in Production and LLEs.

• Exceptional problem-solving skills.

• Excellent written and verbal communication. Must understand the client’s business requirements and

translate them into software requirements. Has a view of the deliverable timeline and escalates when

needed.

• Ability to articulate technical designs & develop documentation, flowcharts, layouts, diagrams, charts etc.

• Experience in implementing OMS products for retail customers will be an added advantage.

• Ability to do estimation for the given requirements.

• Ability to lead technical discussions with clients.

• Must be able to do quick proofs of concepts and demos based on client requirements.

• Provide timely feedback on the performance of team members.

• Conduct interviews & provide feedback to achieve hiring objectives.

• Contributes to organization building functions such as hiring, training, mentoring, team building.

Secondary Skills:

• Participate in daily scrum calls and provide status updates, address issues proactively, and timely

reporting of risks to project managers.

• Take complete ownership of the non-functional requirements around Performance, Security/Compliance,

i18n/l10n, etc.

• Capable of leading a high-performance team in a two-week iteration cadence with frequent product

deliveries.

• Ability to socialize designs/ideas and collaborate with stakeholders.

• Self-motivated and works with minimal direction.

Role: Backend Developer

Experience: 3-6 years

Duration: 1–3 months

Tech Stack: .NET Core, MongoDB

Domain: Clinical/Healthcare (Preferred)

Responsibilities

• Develop and maintain REST APIs using .NET Core
• Design scalable backend services and microservices
• Implement data storage and retrieval using MongoDB
• Optimize database queries and application performance
• Integrate with external systems (APIs, FHIR etc.)
• Ensure data security and compliance (GxP/FDA preferred)
• Support debugging and production issue resolution

Required Skills

• Strong experience in .NET Core/ASP.NET Core
• Hands-on experience with MongoDB or NoSQL databases
• Experience in REST API development
• Knowledge of microservices architecture
• Familiarity with Git and CI/CD pipelines

Preferred

• Healthcare/Clinical Trial domain exposure
• Experience with Azure cloud deployments
• Understanding of FHIR or Healthcare Data Standards

Senior Python Developer

Experience: 4–8 Years

About the Role

We are looking for a Senior Python Developer Engineer to join our team. This role focuses on building and maintaining data-intensive backend systems, handling large-scale datasets, and exposing insights through robust, scalable APIs.

You will work closely with operational and transactional data, design efficient data pipelines, and build backend services that power analytics, reports, and ERP workflows. The ideal candidate is strong in Python, excellent with data and databases, and capable of owning features end-to-end.

Key Responsibilities

• Analyze large datasets to identify trends, inconsistencies, and operational insights.
• Design, build, and maintain backend services and REST APIs using Python and FastAPI.
• Perform advanced data manipulation and aggregation using Pandas, NumPy, and SQL.
• Design and optimize data pipelines for analytics, reporting, and downstream systems.
• Implement automated data quality checks, validations, and monitoring scripts.
• Work closely with product, application, and business teams to translate raw data into clear, actionable outputs.
• Optimize query performance across relational and analytical databases.
• Expose processed data and insights via APIs or dashboards for consumption by web or ERP applications.
• Ensure high standards of code quality, performance, scalability, and maintainability.
• Write clear documentation for APIs, data flows, and processing logic.

Required Skills & Qualifications

• 4–8 years of strong, hands-on experience with Python in production systems.
• Excellent experience with data handling, processing, and large datasets.
• Strong experience building APIs using FastAPI (or similar frameworks).
• Deep expertise in Pandas, NumPy, and SQL.
• Solid experience with MySQL and PostgreSQL.
• Experience working with analytical or reporting workloads.
• Strong understanding of data modeling, joins, aggregations, and performance tuning.
• Proficiency with Git and collaborative development workflows.
• Strong analytical and problem-solving skills with the ability to work independently.

Good to Have

• Experience with ClickHouse, Databricks, or Elasticsearch.
• Exposure to data engineering concepts such as ETL/ELT, batch processing, and data pipelines.
• Experience with workflow orchestration tools (Airflow, Prefect, Dagster).
• Familiarity with data visualization libraries (Plotly, Matplotlib, Seaborn).
• Experience with AWS services (S3, EC2, RDS, Lambda).
• Prior experience integrating data services into ERP or business applications.

Soft Skills

• Strong analytical mindset and attention to detail.
• High ownership and accountability.
• Ability to work independently with minimal supervision.
• Clear communication and documentation skills.
• Proactive, solution-oriented approach.

What we are looking

• You must have experience in Python, including development of microservices using flask/fastapi/sanic.
• You hold knowledge of at least one Python web frameworks
• You have experience in NoSQL databases such as MongoDB
• You are familiar with relational databases and unstructured data.
• You are familiar with some ORM (Object Relational Mapper) libraries.
• You have prior exposure to code versioning tools such as Git.
• You understand fundamental design principles behind a scalable application

Good to have

• Experience in cloud services such as AWS
• Knowledge of user authentication and authorization between multiple systems, servers, and environments
• Understanding of the threading concepts in Python and multi-process architecture

What you'll do

• Create database schemas that represent and support business processes
• Integrate multiple data sources and databases into one system.
• Develop and integrate RESTful APIs and services for business use cases
• Perform unit and integration tests on developed modules

It is an all-in-one ecommerce logistics platform using modern software to provide fast and affordable fulfilment. Brands of all sizes — their full-service solution to store inventory at warehouses near their customers and ship orders with the company carrier network to improve transit times and shipping costs. Their's deep integration with sales channels enables brands to earn primelike badges to accelerate their sales.

Who are we looking for?

We are looking forward to hire a committed Java Developer with experience in building highperforming, scalable, enterprise-grade applications. You will be part of our Engineering team that works on mission-critical applications. You will be managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.

You are required to:

Contributing in all phases of the development lifecycle.

Write well designed, testable & efficient code.

Ensure designs are in compliance with specifications.

Prepare and produce releases of software components.

Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.

Backend: Spring (JAVA), Laravel (PHP), MySQL, NoSQL , NGINX Plus. • Frontend: Angular 5+ Ngrx/store 5. • Infrastructure: Google cloud platform (App engine, CloudSQL, BigQuery, PubSub, Firebase Hosting), Scrapy Cloud, Pusher.io(websockets), Getstream.io, Filestack, Postmark app, AS2 Gateway, Google Cloud Endpoints Framework, MongoDB, Algolia, Memcache

Tools: Gitlab, Postman app, JIRA.

Wondering what your Responsibilities would be?

Technical Skills required Our Current Stack What Makes you Eligible? You are where our search ends, if you hold:

• B.Tech/ M.Tech or corresponding degree
• Experience in the same role of almost 1-6 years
• Experience with connecting backend and frontend services.
• Exposure to consuming data through different interfaces (Web API's/Socket/ REST/ RESTFUL/ JSON/ XML).
• Proficiency in Data Structures and Algorithms.
• Understanding of web markup, including HTML 5, CSS.
• Understanding of client-side scripting and JavaScript frameworks.
• Ability to write clean, reusable and well documented code.
• Proficient understanding of code versioning tools, such as Git. Knowledge of API authentication techniques (Token, JWT, OAuth2) - desirable but not mandatory. (Experience with API Design will be a plus) Fair spoken and written English
• Flexibility - Things change around here. FAST!
• Other Inter-personal skills like self-motivation, persistency, patience and eagerness to learn and work independently.

Why us? We are an amalgamation of enthusiastic and genius people working on a remarkable concept, making headway in this industry. It would not only provide you a scope for professional and personal growth but would also provide you a lot of avenues to experiment with and expertise in your skills. 

Must Have:

• Thorough experience (Sr. Developer: 3+ years) in core python as well as the Django framework.
• Deep understanding of designing and implementing REST web services/APIs.
• Ability to address authentication and security constraints efficiently.
• Knowledge about Amazon web services and ability to integrate it.
• Ability to write complex python utility scripts.
• Ability to deliver design documentations whenever needed.
• Knowledge of Version Control using SVN/GIT.
• Ability to analyse, debug and resolve basic to complex problems on-demand (independently).

Nice To Have:

• Knowledge with microservice architecture is a BIG plus.
• Knowledge of the docker platform to serve the applications in docker containers and being able to use docker compose will be a plus.
• Leadership and Time Management skills.

Professional Requirements:

• 2-8 Years professional development experience.
• Bachelor’s and/or Master’s degree, preferably in CS, or equivalent experience.
• Good understanding of data structures and algorithms.
• Good understanding of high level and low-level design of distributed systems.
• Experience coding in any one of the following Java or Nodejs.
• Experience building highly available distributed systems on cloud infrastructure will be plus.
• Exposure to architectural pattern of a large, high-scale web application.

Requirement/responsibilities: To take a project from scoping requirements through launch of the project. Ownership of product/feature end-to-end for all phases from the development to the production. Ensuring the developed features are scalable and highly available with no quality concerns. Work closely with senior engineers for refining the and implementation. Management and execution against project plans and delivery commitments. Participate in design and code reviews.

Software Engineer

Responsibilities

• Work with a performance oriented team driven by ownership and open to experiments.
• Learn to design systems for high accuracy, efficiency and scalability.
• Help us make decisions to shape our REST APIs for developers worldwide
• Think outside the box, adapting the latest software technologies
• Contribute to open source
• Be involved and drive product & design discussions.
• Contribute to our technical innovation by learning and sharing your knowledge with our Engineering teams

Requirements

• Graduation in any technical stream
• A minimum of (3 to 5 ) years of relevant experience
• Ability to work at all levels of the stack, from Golang/NodeJS+NoSQL/SQL to React/+HTML+CSS+Azure/AWS
• Good architectural & design skills.
• Take full ownership and responsibility for building, shipping, and maintaining core LoginRadius features, end to end.
• Design and architect complex new systems, focusing not only on performance and scalability, but also on crafting a beautiful user experience.
• Experience in Docker/Kubernetes is a plus
• Ability to build a feature from scratch & drive it to completion
• A willingness to learn new technology, whatever lets you deliver the best product

• Have worked at a product company is a plus