
Backend SDE 4 - Go and Python
at a leading provider of electronic trading solutions in India. With over 1,000 clients and a presence in more than 400 cities, we have established ourselves as a trusted partner for brokerages across the nation. Our commitment to excellence is reflected in millions of active end users and our reputation for delivering the best customer service in the industry.
Experience and Expertise
● 7– 10 years of experience in backend development with Python or Golang.
● Solid understanding of RESTful APIs, microservices, and distributed systems.
● Strong knowledge of data structures, algorithms, and OOPS principles.
● Hands-on experience with relational and/or NoSQL databases.
● Familiarity with Linux development, Docker, and basic cloud concepts
(AWS/GCP/Azure).
● Proficiency with Git and version control workflows.
● Familiarity with AI-powered development tools or exposure to projects involving large
language models (LLMs) is a plus.
Skills
● Strong analytical and debugging skills with the ability to solve complex problems.
● Good communication and collaboration skills across teams.
● Ability to work independently with minimal supervision while being a strong team
player.
● Growth mindset – eagerness to learn new technologies

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Employment Type: Full-time, Permanent
Location: Near Bommasandra Metro Station, Bangalore (Work from Office – 5 days/week)
Notice Period: 15 days or less preferred
About the Company:
SimStar Asia Ltd is a joint vendor of the SimGems and StarGems Group — a Hong Kong–based multinational organization engaged in the global business of conflict-free, high-value diamonds.
SimStar maintains the highest standards of integrity. Any candidate found engaging in unfair practices at any stage of the interview process will be disqualified and blacklisted.
Experience Required
- 4+ years of relevant professional experience.
Key Responsibilities
- Hands-on backend development using Python (mandatory).
- Write optimized and complex SQL queries; perform query tuning and performance optimization.
- Work extensively with the Odoo framework, including development and deployment.
- Manage deployments using Docker and/or Kubernetes.
- Develop frontend components using OWL.js or any modern JavaScript framework.
- Design scalable systems with a strong foundation in Data Structures, Algorithms, and System Design.
- Handle API integrations and data exchange between systems.
- Participate in technical discussions and architecture decisions.
Interview Expectations
- Candidates must be comfortable writing live code during interviews.
- SQL queries and optimization scenarios will be part of the technical assessment.
Must-Have Skills
- Python backend development
- Advanced SQL
- Odoo Framework & Deployment
- Docker / Kubernetes
- JavaScript frontend (OWL.js preferred)
- System Design fundamentals
- API integration experience
Golang (Go)
2) Software architecture, data structures, modern design
patterns, microservice and internet protocols
3) Database management experience using relational and/or NoSql database
technologies
4) Excellent Communication Skills
Around 3 years of Experience in GoLang
Senior Software Developers collaborate with Business and Quality Analysts, Designers, Project Managers and more to design software solutions that will create meaningful change for our clients. They listen thoughtfully to understand the context of a business problem and write clean and iterative code to deliver a powerful end result whilst consistently advocating for better engineering practices. By balancing strong opinions with a willingness to find the right answer, Senior Software Developers bring integrity to technology, ensuring all voices are heard.
For a team to thrive, it needs collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an aspirational tech vision and acting as mentors for more junior-level consultants. You will leverage deep technical knowledge to solve complex business problems and proactively assess your team’s health, code quality and nonfunctional requirements.
Job responsibilities
- You will learn and adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns
- You will use and advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible
- You will work in collaborative, value-driven teams to build innovative customer experiences for our clients
- You will create large-scale distributed systems out of microservices
- You will collaborate with a variety of teammates to build features, design concepts and interactive prototypes and ensure best practices and UX specifications are embedded along the way.
- You will apply the latest technology thinking from our Technology Radar to solve client problems
- You will efficiently utilize DevSecOps tools and practices to build and deploy software, advocating devops culture and shifting security left in development
- You will oversee or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between
- You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills
Job qualifications:
Technical Skills
- You have experience using one or more development languages (Java, Nodejs, React, TypeScript, JavaScript, etc.) with experience in Object-Oriented programming
- You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
- You are comfortable with Agile methodologies, such as Extreme Programming (XP), Scrum and/or Kanban
- You have a good awareness of TDD, continuous integration and continuous delivery approaches/tools
- Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker
Professional Skills
- You enjoy influencing others and always advocate for technical excellence while being open to change when needed
- Presence in the external tech community: you willingly share your expertise with others via speaking engagements, contributions to open source, blogs and more
- You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
Other things to know:
Learning & Development
There is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. But we also balance autonomy with the strength of our cultivation culture. This means your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. We see value in helping each other be our best and that extends to empowering our employees in their career journeys.
About Our Client
It is a last-mile tech-logistics solution provider for intra-state deliveries based in Bangalore. It offers reliable, affordable, and professional services, structured to serve enterprises.
Our Client aggregates light commercial vehicles for urban logistics and has onboarded 55,000+ truckers on its platform across 14 cities. Our Client works across industry sectors like organized retail, FMCG and e-commerce, distribution and 3PL companies. Some of its clients include Amazon, Flipkart, Bisleri, Vishal Mega Mart, Future Supply Chain, Coca-Cola, Delhivery, and Udaan.
The company offers customized logistics solutions for clients, along with other value-added services such as screened drivers, audited and GPS-enabled vehicles, point-to-point billing, status updates, 24x7 service, and greater efficiency, all at transparent and economical pricing.
Our Client, as a brand, is known as one of the market leaders in the enterprise segment, and first movers to identify and empathize with the underserved urban trucker community, playing a huge role in making them a part of the mainstream economy. This series-B funded tech-logistics company aims to disrupt the primitive $35bn+ urban-logistics industry by leveraging technology and help enterprises to reach consumers faster.
Our Client is India's largest enterprise urban-logistics provider in India, with 55,000+ Light Commercial Vehicles on its platform.
Why Our Client?
1) Young Startup growing and well funded.
What will I do?
- Designing user flows and converting them into logical entities in the code.
- Integration of user-facing elements developed by front-end developers with server-side logic.
- Designing Database schemas.
- Building reusable code and libraries for future use
- Optimization of the application for maximum speed and scalability
- Implementation of security and data protection
- Design and implementation of data storage solutions
What skills should I have?
- 3+ years of experience in Backend Development.
- Language: NodeJs
- Additional knowledge of Python will be a plus
- Understanding of microservices architecture.
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Management of hosting environment, including database administration and scaling an application to support load changes
- Data migration, transformation, and scripting
- Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git
- 2.5+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 3+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
About us:
HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.
We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.
To know more, Visit! https://www.happyfox.com/
We’re looking for a Senior Backend Engineer to join our engineering team to help build and maintain our growing list of products. You should have prior experience being responsible for building sufficiently complex features by yourself.
Responsibilities:
- Implement product features by writing clean, robust, reusable code with tests
- Conduct peer reviews to keep the codebase a great environment to work on
- Collaborate with Product Managers, Designers and Engineers to deliver high-quality features
- Bring new ideas and best practices to improve the team and the codebase
Requirements:
- 5+ years of professional work experience
- Proficiency in backend programming languages like Python
- Experience working with web application frameworks like Django
- Experience in building web services using relational databases like PostgreSQL or NoSQL databases like MongoDB
- Proficiency in writing highly performant and scalable code
- Experience in building REST APIs and a good understanding of best practices around building APIs
- Good communication skills with an ability to articulate your views
- Excellent analytical and problem-solving skills
Responsibilities:
- Develop the core platform components.
- Work on integrations with 3rd party systems.
- Co-ordinate with frontend team, designers, and product managers on development requirements
Requirements:
- At least 3 years of experience in developing and managing software systems.
- Proficiency in programming, data structures and algorithms.
- Deep understanding of caching technologies, databases and OOPS.
- Computer science degree from a tier1 college is a MUST.
- Experience in Python is preferred.
What will we be building together?
1K Kirana Bazaar (1K) is building Bharat's first hyperlocal offline-online distribution platform. Our aim is to provide the benefits of technology and scale to the underserved first time internet users of Bharat. We use the efficiencies of the existing kirana store network and empower them with a full technology stack to fulfill all needs of our consumers.
Over the next 2 years our goal is to transform the lives of millions of new age consumers of Bharat and at the same time make the lives of thousands of retailers more fulfilling! With our end to end integrated supply chain and technology stack, we are already disrupting the traditional supply chain and bringing in innovation and gamification to the traditional shopping and consumption process. The growth process will demand exploration of technologies like Blockchain, Artificial Intelligence, IPFS, Distributed Computing, and IOT to name a few to fuel the idealistic model design for the making of an evolved #bharat. We visualise seamless access to every consumer or a mom & pop store in the deepest rooted corners of India.
What will you be driving with the team?
To build full-stack solutions for retail & supply chain from managing purchases to selling products to end consumers. You will work on solving some of the complex problems of the retail industry.
Your core responsibilities:
- Solve complex problems and follow good coding practices and complying with existing quality standards.
- Evaluate existing engineering processes and recommend improvements.
- Setup high-quality standards in production running code by performing diligent code reviews and rigorous unit test coverage.
- Brainstorm (sometimes, even prototype) features with the rest of the team based on your knowledge of the codebase.
- And of course, there's always bugs to fix, based on your personal experience or feedback from the team and the 1K community.
What will help you thrive in this role?
- A bachelor’s degree in Computer Science or a related field is preferred.
- 6 month+ experience in software development.
- Knowledge of programming languages.
- Should possess a solid grasp of object-oriented programming, data structures, and software design.
- Experience with AWS infrastructure and distributed systems is a plus.
- Highly developed attention to detail.
- Ability to work well in a fast-paced environment.
Whom you will be sharing your workday with?
We are a language-agnostic engineering team of independent thinkers who understand the priorities of a rapidly growing startup and excel at choosing high impact projects. Our core beliefs are:
- We are at the forefront of disrupting the traditional retail & supply chain industry by building distributed systems
- We are hardcore open source lovers and believe in the strength of the open-source community.
- We believe technology can change the way information is consumed.
- We use a data-driven approach to build new products and features.
- Build new tech solutions to improve business processes and enable our various departments to help service our teams better.
- We embrace and enable DevOps culture within the organisation.
And yes! We do have new furry friends coming to our office every day.
Work Perks
- Hybrid work environment with flexibility to work from anywhere.
- A great salary, commensurate with experience.
- Unlimited vacation policy which means Paid Vacations.
- A relaxed & flexible working atmosphere.
- Weekly parties (Unofficial).
- Paid outings to remote work locations and industry events/conferences.
- Paid Health Insurance for you and your loved ones.










