Golang Developer

JOB DESCRIPTION

Experience: 3-8 years

Location- Mumbai

Wissen Technology is now hiring for a Java Developer - Mumbai 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. - 3-8 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.

Role & Responsibilities

As a Software Development Engineer - 3, Backend Engineer , you will play a critical role in architecting, designing, and delivering robust backend systems that power our platform. You will lead by example, driving technical excellence and mentoring peers while solving complex engineering problems. This position offers the opportunity to work with a highly motivated team in a fast-paced and innovative environment.

Key Responsibilities:

Technical Leadership-

• Design and develop highly scalable, fault-tolerant, and maintainable backend systems using Java and related frameworks.
• Provide technical guidance and mentorship to junior developers, fostering a culture of learning and growth.
• Review code and ensure adherence to best practices, coding standards, and security guidelines.

System Architecture and Design-

• Collaborate with cross-functional teams, including product managers and frontend engineers, to translate business requirements into efficient technical solutions.
• Own the architecture of core modules and contribute to overall platform scalability and reliability.
• Advocate for and implement microservices architecture, ensuring modularity and reusability.

Problem Solving and Optimization-

• Analyze and resolve complex system issues, ensuring high availability and performance of the platform.
• Optimize database queries and design scalable data storage solutions.
• Implement robust logging, monitoring, and alerting systems to proactively identify and mitigate issues.

Innovation and Continuous Improvement-

• Stay updated on emerging backend technologies and incorporate relevant advancements into our systems.
• Identify and drive initiatives to improve codebase quality, deployment processes, and team productivity.
• Contribute to and advocate for a DevOps culture, supporting CI/CD pipelines and automated testing.

Collaboration and Communication-

• Act as a liaison between the backend team and other technical and non-technical teams, ensuring smooth communication and alignment.
• Document system designs, APIs, and workflows to maintain clarity and knowledge transfer across the team.

Ideal Candidate

• Strong Java Backend Engineer.
• Mandatory (Experience 1): Must have 5+ years of backend development with strong focus on Java (Spring / Spring Boot)
• Mandatory (Experience 2): Must have been SDE-2 for at least 2.5 years (title should be there in resume)
• Mandatory (Tech skill 1) : Hands-on experience with RESTful APIs and microservices architecture
• Mandatory (Tech skill 2): Strong understanding of distributed systems, multithreading, and async programming
• Mandatory (Tech skill 3): Experience with relational and NoSQL databases
• Mandatory (Tech skill 4) : Exposure to Kafka/RabbitMQ and Redis/Memcached
• Mandatory (Tech skill 5): Experience with AWS / GCP / Azure, Docker, and Kubernetes
• Mandatory (Tech skill 6) : Familiar with CI/CD pipelines and modern DevOps practices
• Mandatory (Tech skill 7): Must have worked on core product/platform teams rather than support or internal tooling
• Mandatory (Ownership & Impact): Candidate should demonstrate end-to-end ownership of backend systems, including architecture/design decisions (HLD/LLD), scalability improvements, or measurable production impact (resume should clearly mention metrics such as scale, throughput, latency improvements, reliability, cost optimization, or user impact)
• Mandatory (Company): Top product companies (logistics, supply chain, e-commerce, or B2B SaaS at large scale)
• Mandatory (Stability): Must have stayed for at least 2 years with each of the previous companies
• Mandatory (Education): B.Tech in computer science or related field from Tier 1, Tier 2 colleges

Location: Bengalore, India, Exp: 3-5 Yrs

Backend Developer (Golang) - Trading & Fintech

About Us:

Tradelab Technologies Pvt Ltd is not for those seeking comfort—we are for those hungry to make a mark in the trading and fintech industry. If you are looking for just another backend role, this isn’t it. We want risk-takers, relentless learners, and those who find joy in pushing their limits every day. If you thrive in high-stakes environments and have a deep passion for performance driven backend systems, we want you.

What we expect:

 You should already be exceptional at Golang. If you need hand-holding, this isn’t the place for you.

 You thrive on challenges, not on perks or financial rewards.

 You measure success by your own growth, not external validation.

 Taking calculated risks excites you—you’re here to build, break, and learn.

 You don’t clock in for a paycheck; you clock in to outperform yourself in a high-frequency trading environment.

 You understand the stakes—milliseconds can make or break trades, and precision is everything.

What you will do:

 Develop and optimize high-performance backend systems in Golang for trading platforms and financial services.

 Architect low-latency, high-throughput microservices that push the boundaries ofspeed and efficiency.

 Build event-driven, fault-tolerant systems that can handle massive real-time data streams.

 Own your work—no babysitting, no micromanagement.

 Work alongside equally driven engineers who expect nothing less than brilliance.

Must have skills:

 Learn faster than you ever thought possible.

 Proven expertise in Golang (if you need to prove yourself, this isn’t the role for you).

 Deep understanding of concurrency, memory management, and system design.

 Experience with Trading, market data processing, or low-latency systems.

 Strong knowledge of distributed systems, message queues (Kafka, RabbitMQ), and real-time processing.

 Hands-on with Docker, Kubernetes, and CI/CD pipelines.

 A portfolio of work that speaks louder than a resume.

Nice-to-Have Skills:

 Past experience in fintech, trading systems, or algorithmic trading.

 Contributions to open-source Golang projects.

 A history of building something impactful from scratch.

 Understanding of FIX protocol, WebSockets, and streaming APIs.

Why Join Us?

 Work with a team that expects and delivers excellence.

 A culture where risk-taking is rewarded, and complacency is not.

 Limitless opportunities for growth—if you can handle the pace.

 A place where learning is currency, and outperformance is the only metric that matters.

The opportunity to build systems that move markets, execute trades in microseconds, and redefine fintech. This isn’t just a job—it’s a proving ground. Ready to take the leap? Apply now.

• Programming Language: Python (Strong knowledge)
• Concurrency & Parallelism: Multithreading, Multiprocessing, AsyncIO, ThreadPoolExecutor, Future, concurrent.futures
• Memory Management: Reference Counting, Global Interpreter Lock (GIL)
• Distributed Computing: Dask, Apache Spark (Preferred)
• Data Processing: NumPy
• Inter-Service Communication: GRPC, REST API
• Containerization & Orchestration: Docker, Kubernetes
• Software Development Practices: Code Optimization, Debugging, Performance Tuning
• Communication & Problem-Solving: Technical Documentation, Team Collaboration, Asking for Clarity When Needed

Skills And Expertise

• Python, 
• Multithreading, 
• Multiprocessing, 
• Dask, Apache Spark, 
• NumPy, 
• REST API, 
• Docker, 
• Kubernetes, 
• Code Optimization

Key Responsibilities

We are looking for a full stack developer who shall be responsible for implementation of software related projects of the firm. This will involve:

–        Understanding existing services of the Company, the requirements of the project and be able to build the back-end coding structure along with front end dashboard, UI / UX for the full project. The person should be capable of building flexible coding to incorporate various user requirements, carry out user acceptance testing, fix bugs within agreed timelines.

–        Dashboard Development: Swiftly conceptualizing, designing, and developing visually engaging and functional dashboards tailored to meet the firm's specific requirements within stringent timelines.

–        Collaborative Approach: Work closely with stakeholders’ other team members, to understand dashboard requirements and ensure alignment with business objectives.

–        API Integration: Explore and integrate dashboard APIs where applicable to enhance functionalities or enable custom integrations for a more comprehensive dashboard experience.

Key Skills Required

–      Front-end Technologies: Proficiency in HTML, CSS, JavaScript, and expertise in UX/UI principles to enhance dashboard user interfaces and ensure responsiveness.

–      Backend Development: Proficiency in at least one backend language (e.g., Python, Ruby, Node.js, etc.) and understanding of backend frameworks to facilitate data integration and backend functionalities for dashboards.

–      Strong SQL Skills: Ability to efficiently extract, manipulate, and analyze data using SQL queries from various databases to integrate into the dashboards.

–      Dashboard Development Experience: Prior experience in rapid dashboard development, including designing, developing, and deploying dashboards within accelerated timelines.

–      Being able to work independently, understand industry landscape and come up with innovative solutions to tackle various issues. 

• Previous working experience as a MySQL Developer for at least 3 years
• Identify opportunities for improved performance in SQL operations and implementations
• Oversee the operations of the production and staging environments databases
• Give design recommendations for database functions that meet business operating standards while improving the efficiency of business processes
• Train and mentor junior personnel on best practices

Candidate Profile:

• Bachelor’s/Master’s degree in Engineering, Computer Science
• At least 5+ years of relevant experience as a database programmer
• Excellent MySQL/PostgreSQL/MS-SQL development skills
• Experience in writing stored views, procedures, triggers etc.
• Excellent knowledge in RDBMS (important features)
• Strong problem-solving skills, technical troubleshooting, and diagnosing
• Solid knowledge of RDBMS and NoSQL technologies
• Experience in developing back-ends for enterprise systems
• Knowledge of debugging, performance and optimization techniques
• Experience in RDBMS technologies like MySQL, PostgreSQL etc.
• Experience in No SQL technologies like MongoDB, Cassandra etc.
• Knowledge of Caching DB like Redis, Memcached etc.
• Knowledge of Search DB like Solr, Elasticsearch etc.
• Demonstrated ability to deliver in a fast-paced environment.

SQL DBA, IMPLEMENTATION, SQL, DBMS, DATA WAREHOUSING

• Experience in either of these Relational DB’s MS SQL Server / PostgreSQL / AWS Aurora DB / MySQL / Oracle / NOSQL DBs (MongoDB / DynamoDB / DocumentDB) in an application development environment and eagerness to switch DB.
• Design database tables, views, indexes
• Write functions and procedures for Middle Tier Development Team
• Work with any front-end developers in completing the database modules end to end (hands-on experience in parsing of JSON & XML in Stored Procedures would be an added advantage).
• Query Optimization for performance improvement
• Design & develop SSIS Packages or any other Transformation tools for ETL

• Banking / Insurance / Retail domain would be a plus.
• Interaction with a client a plus

• Knowledge in a Cloud Platform (AWS / Azure)
• Knowledge on version control system (SVN / Git)
• Exposure to Quality and Process Management
• Knowledge in Agile Methodology

• Team building (attitude to train, work along, mentor juniors)
• Communication skills (all kinds)
• Quality consciousness
• Analytical acumen to all business requirement
• Think out-of-box for business solution

Java Developer Job Description

We are looking for a Java developer responsible for building Java applications.

Responsibilities

• Design, build and maintain efficient, reusable, and reliable Java code
• Identify bottlenecks and bugs, and devise solutions to these problems
• Help maintain code quality, organization, and automatization.

Skill Set:

• Proficient in Java, with a good knowledge of its ecosystems
• Java, Rest API integration, JSON, XML, Oracle, Microservices, Agile Scrum.
• Experience in developing large-scale distributed systems.
• API knowledge
• Solid understanding of object-oriented programming
• Familiar with various design and architectural patterns
• Skill for writing reusable Java libraries
• Spring, Spring Boot, Spring Cloud, React native
• Experience: 04 to 10 years
• Salary: As Per Market

GlobalShaala aims to build a decentralised learning system for children that enables garnering inspiration for learning from educators and industry leaders alike. A personalised platform that grows with the child and helps him/her to engage in experiences that unravels his/her competences and interests. 

We are building India's first platform where children of K-12 can engage in:

* Destination-based educational experiences, which involves curriculum mapped experiences at global destinations where kids can apply their learning.

* Virtual educational experiences by interacting directly with industry leaders. Children get to discuss the ‘Why?’, ‘How?’ and ‘Where?’ of current classroom topics directly with industry leaders and understand how the fundamentals they are dealing with are being used to solve problems with real world applications.

Qualifications:

- B.Sc/B.Tech in Computer Science or a related field.

- Strong coding, data structures and algorithms.

- 1+ year experience in PHP (Laravel).

- Experience or keen interest to take ownership of code deployment in Linux based servers, Docker, Jenkins.

- Hands-on experience with relational databases like MySQL, Postgres.

Responsibilities:

- Design and develop software for given requirements.

- Involvement in the full software development lifecycle within broadly defined parameters and providing software solutions keeping into consideration the software quality needs.

- Troubleshoot, test and maintain the core product software and databases to ensure strong optimisation and functionality.

- Communicate cross-functionally, collaborate with business teams, engineers to plan, own and deliver solutions on time.