MySQL / Oracle / PostgreSQL
2. Experience building at least one application from scratch
3. Understanding of at least one test frameworks and basic system administration
4. Experience with cache store / message broker like Redis / RabbitMQ / Kafka
5. Good to have: Experience with NoSQL databases like Cassandra, MongoDb, Neo4j, ElasticSearch
etc and Understanding of different concurrency models used in Akka, node.js, Go, RxJava etc
6. Interest in learning new languages / framework as needed
7. A growth mindset and passionate about building things from the ground up and most
importantly, you should be fun to work with

About 91social
About
Connect with the team
Similar jobs
JOB DESCRIPTION:
Location: bangalore
Mode of Work : 3 days from Office
DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API
- Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
- Implement and integrate APIs using Spring Framework and Apache CXF.
- Build microservices-based architecture for scalable and distributed systems.
- Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
- Optimize performance through efficient multithreading, memory management, and algorithm design.
- Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
- Work with RDBMS (preferably Sybase) for backend data integration.
- Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
- Work in Unix/Linux environments for deployment and troubleshooting.
Required Skills & Experience:
- 3– 8 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
- Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
- Proven experience with Spring, CXF, and REST/SOAP web services.
- Solid understanding of microservices architecture and distributed systems.
- Experience working with Sybase or other relational databases.
- Expertise in multithreading, concurrency, and high-throughput server-side development.
- Exposure to capital markets, sales & trading platforms, or similar financial services applications.
- Good working knowledge of Unix/Linux environments.
- Experience in solution architecture and design documentation is a strong plus.
- Strong problem-solving skills, analytical thinking, and a proactive attitude.
- Excellent communication and interpersonal skills to work effectively with global teams.
Preferred Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
- Previous experience in investment banking, capital markets, or financial technology domains
Qualifications :
- Minimum 2 years of .NET development experience (ASP.Net 3.5 or greater and C# 4 or greater).
- Good knowledge of MVC, Entity Framework, and Web API/WCF.
- ASP.NET Core knowledge is preferred.
- Creating APIs / Using third-party APIs
- Working knowledge of Angular is preferred.
- Knowledge of Stored Procedures and experience with a relational database (MSSQL 2012 or higher).
- Solid understanding of object-oriented development principles
- Working knowledge of web, HTML, CSS, JavaScript, and the Bootstrap framework
- Strong understanding of object-oriented programming
- Ability to create reusable C# libraries
- Must be able to write clean comments, readable C# code, and the ability to self-learn.
- Working knowledge of GIT
Qualities required :
Over above tech skill we prefer to have
- Good communication and Time Management Skill.
- Good team player and ability to contribute on a individual basis.
- We provide the best learning and growth environment for candidates.
Skills:
NET Core
.NET Framework
ASP.NET Core
ASP.NET MVC
ASP.NET Web API
C#
HTML
Job Description
We are looking for Advance Java developers who want to help us design cutting edge scalable products to meet our rapidly growing business. We are building out a team and looking for multiple levels but you should have at least 4-6 years of programming experience.
Key Responsibilities
Build high availability and extreme reliable high volume transactional systems.
Deliver reliable solutions that handle massive data and high traffic.
Complete ownership of problem-free execution of owned modules and solutions.
Focus on code optimization, code quality, maintainability etc.
Team Handling.
Skills required
MS or BS/B.Tech / MCA in computer science.
Hands-on experience in Core J2EE or Core Java (collection, multithreading).
Proficiency in Struts 2.0 & Springs, Hibernate, JDBC, JSP, Servlets , JMS / Radius, Redis , Microservices ,
Strong working knowledge of Databases – MySQL, OS - Linux.
Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server side development.
Excellent data structure & algorithm and problem solving skills.
Customer-focused, react well to changes, work with teams and able to multi-task.
Must be a proven performer and team player that enjoy challenging assignments in a high-energy, fast growing and start-up workplace.
Must be a self-starter who can work well with minimal guidance and in fluid environment.
Note: Must have worked on Payment Gateway Development.
Must be willing to work in a startup fast paced environment.
Joining : Immediate
- 2 + years of software development experience utilizing Java based frameworks and technologies to build enterprise grade product solutions.
- 2+ years of experience designing, developing and documenting RESTful APIs.
- Strong understanding of concepts/technologies like Spring MVC, Spring boot, J2EE, EJB, application/API security, API governance/gateway platforms like apigee or kong.
- Good understanding of RDMS concepts and development preferably using MS SQL Server.
- Experience using test automation technologies like cucumber, selenium is a big plus.
- Partner with scrum masters to address technical blockers/impediments to progress.
- Prior experience working with agile scrum-based development methodology. Participate in sprint planning and estimate development efforts for features and stories.
- Partner with DevOps to install and configure/tune application containers like embedded Spring boot tomcat and webserver technologies preferably nginx or apache.
- Partner with cloud engineering group to outline the infrastructure provisioning requirements/needs for new product development.
- Design and develop CI/CD tools and process preferably using Jenkins to configure build jobs for APIs and design pipeline to promote artifacts from development all the way to production
- Experience with messaging technologies like kafka is a huge plus
- Work with Test Automation engineering team to integrate test automation scripts as part of the CI/CD process.
- Prior proven experience of utilizing and productionizing container/container orchestration technologies like Docker, kubernetes.
- Participate and Resolve issues related deployments, application performance etc.
- Ability to write APIs including Restful APIs.
- Able to consume 3rd party API's
- Familiarity with SQL (MySQL, POSTGRESQL) and NoSQL(MongoDB) databases designing, query optimization techniques and their declarative query languages.
- Creating database schemas that represent and support business processes.
- User authentication and authorization between multiple systems, servers, and environments.
- Experience in Micro-services development will be an added advantage.
- Composer / NPM / Webpack.
- Laravel forge server deployment and management
- Laravel Dusk Testing
- PHP Unit Testing
- Good command of problem-solving and analytical skills.
- Must be technically strong in logical thinking
Addon Front-End Frameworks knowledge:
- Other Front-end frameworks like as Vue.js (Vue CLI, Vuex, Vue Router, and Nuxt.js).
- Proficiency in JavaScript and TypeScript programming.
- Aware about JavaScript basics and Modern JavaScript (ES6 – ES7 – ES8)
- Understanding of server-side rendering and its benefits and use cases
- Working knowledge of npm or Yarn
- Knowledge of Bootstrap, Framework 7
- Working knowledge of HTML5 code template and CSS3 styling (Sass or Less depending on your technology stack)
Addon Server knowledge will be added advantage:
- Proficient understanding of code versioning tools, such as GitHub, GitLab
- Working knowledge of cloud servers (AWS) related services and server administration like setting up
Apache/Nginx, php-fpm etc.. (Nice to have but not mandatory).
- Experience working with Docker (Nice to have but not mandatory)
- Experience with CI/CD tools and processes(Nice to have but not mandatory)
- A Bachelors or master’s degree in engineering.
- 2-4 years of experience in software product development.
- Excellent in Data structure, Algorithms & Problem-solving skills.
- Should be willing to code in Node.js/Java/Python/ROR/Golang
- Write extensive, efficient code to address complex modules and that handles interaction between multiple components.
- Customer-focused, react well to changes, work with teams and able to multi-task.
- Must be a proven performer and team player that enjoy challenging assignments in a high-energy, fast growing and start-up workplace.
- Must be a self-starter who can work well with minimal guidance and in fluid environment
Locus is a global decision- making platform in the supply chain that uses deep learning and proprietary algorithms to provide route optimization, real-time tracking, insights and analytics, beat optimization, efficient warehouse management, vehicle allocation and utilization, intuitive 3D packing and measurement of packages. Locus automates human decisions required to transport a package or a person, between any two points on earth, delivering gains along efficiency, consistency, and transparency in operations.
Locus, which has achieved a peak of 1 million orders processed in a day (200,000 orders an hour) and is trained & tested on over 100 million+ order deliveries, works in 75 cities across the globe. Locus works with several large-scale market leaders like Urban Ladder, Tata Group of Companies, Droplet, Licious, Rollick, Lenskart, other global FMCG, pharma, e-commerce, 3PL and logistics conglomerates.
Locus is backed by some of the biggest names in the market and recently raised $22 MN in Series B funding and also $4 Mn in a pre-Series B round. Earlier, In 2016, Locus raised $2.75 Mn (INR 18.3 Cr) in a Series A funding.
Locus was started by Nishith Rastogi and Geet Garg, two ex-Amazon engineers on a mission to democratize logistics intelligence for businesses across industries. Nishith was profiled by Forbes Asia in their ’30 Under 30’ 2018 list. Geet, on the other hand, holds a dual degree (BTech and MTech) in Computer Science and Engineering from the Indian Institute of Technology. Our team constitutes of engineers from Indian Institute of Technology and Birla Institute of Technology & Science- Pilani, and Data Scientists with PhDs from Carnegie Mellon University and Tata Institute of Fundamental Research. Our multifaced product and business team is led by senior members from Barclays, Google & Goldman Sachs with immense operational execution experience.
Job Description
- Design & implement backend APIs at Locus.sh
- Mentor junior developers technically.
- Actively work to reduce tech debt in the Locus backend
- Work towards more stability & scalability of the backend
- Tech stack - Java, AWS, Aurora etc.
Eligibility
- 4-8 years of product company experience
- OOP implementation experience. Programming language does not matter, We use Java internally but have hired folks from non Java background.
- Hands on experience in SQL, Dynamo DB, Postgres etc preferred.
- Prior experience building REST APIs
- Advanced understanding of AWS stack
- Prior knowledge of solving problems at scale.
Perks:
- Healthy catered meals at office
- You decide your own Work From Home (WFH) and Out Of Office (OOO)
- Pet-friendly - bring your pets to the office any day. Locus family already has a Rottweiler and a Beagle








