Are you passionate about using technology to make people's lives better? Are you interested in becoming a part of one of the hottest trends in the world of start-ups today? Are you excited about joining the online ultra-fast grocery delivery service business pioneer and driving the trend forward? Then this may be the right opportunity for you.
Role and Responsibilities
- Helping lead the software development lifecycle: technical design, implementation, testing, deployment, and support.
- Working with cross-functional teams effectively to enable business growth.
- Proactively identifying engineering bottlenecks and initiating proposals to improve them.
- Writing high-quality, well-tested code in alignment with industry-wide best practices.
- Applying a product mindset to back-end systems.
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- About five years of experience delivering product-quality code in an agile set-up
- Experience with Golang, REST APIs, Microservice Architecture, Elasticsearch, Redis, Docker, or Kubernetes
- Understanding of the philosophy of cloud and an experience of maintaining cloud-native services.
- Experience in designing, building, scaling, and maintaining production services, and knowledge of composing a service-oriented architecture.
- Experience of working in a fast-paced, rapidly-growing company (Good to Have).
- Working knowledge of Node.js (Good to Have).
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- Passionate about technology and making an impact.
- A perpetual learner, who stretches their boundaries and enjoys new ideas.
- A doer who takes initiative and works well in a team.
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Who We Are
Blok is a technology-first, online ultra-fast grocery delivery service business, and we are on our way to revolutionize how millions of people across countries consume groceries. We believe in a world where getting everything you need, when you need it, sustainably, is the new normal. And it takes less than 10 minutes.
We believe we are positioned to lead this revolution. Why? Our founding and early team has held senior positions at Deliveroo, Uber, Glovo, Mercadona, or Unilever. We have done this before, and we believe we can do it again. But this time, even better.
Embark on the journey and help us launch the revolution in one of the highest growth industries of the year. Help us shape the new normal.

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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 Backend. 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 pay check; 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 for trading platforms and financial services.
• Architect low-latency, high-throughput microservices that push the boundaries of speed 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.
• Learn faster than you ever thought possible.
Must-Have Skills:
• Proven expertise in Backend (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 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.
Position: Lead Backend Engineer
Location: Remote
Experience: 10+ Years
Budget: 1.7 LPM
Employment Type: [Contract]
Required Skills & Qualifications:
- 10+ years of proven backend engineering experience.
- Strong proficiency in Python.
- Expertise in SQL (Postgres) and database optimization.
- Hands-on experience with OpenAI APIs.
- Strong command of FastAPI and microservices architecture.
- Solid knowledge of debugging, troubleshooting, and performance tuning.
Nice to Have:
- Experience with Agentic Systems or ability to quickly adopt them.
- Exposure to modern CI/CD pipelines, containerization (Docker/Kubernetes), and cloud platforms (AWS, Azure, or GCP).
Responsibilities:
- Design and create services and system architecture for your projects, while working.
- Closely with the product, design and engineering team.
- Participate in brainstorming sessions and contribute ideas to our technology, algorithms and products.
- Dive into difficult problems and successfully deliver results on schedule.
- Own services related to OkCredit features in active development.
- Develop and deploy required services responsible for evolution of the overall product.
- Do server side development in golang/python preferably (or any other language).
- Deploying stuff in production in docker containers.
- Write tests.
- Invent awesome stuff to make your job easier
- Motivation to design and build reliable, elegant backend services.
- At least 2 - 5 years of backend development experience.
- Proficiency in GoLang is MANDATORY.
- Familiarity with infrastructure concepts related to docker, kubernetes is preferred.
- Familiarity with Protocol buffers. Protocol buffers are now OkCredit's lingua franca for data.
- Familiarity with message-oriented middleware like rabbitmq, google pubsub.
- Familiarity with cloud platforms like gcp, aws etc.
We aspire to build a high-quality, innovative & robust software. If you are a hands-on platform builder with significant experience in developing scalable data platforms, look no further. Click on Apply and we will reach out to you soon.
Your responsibilities as an Engineer:
• Determines operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.
• Documents and demonstrates solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code.
• Prepares and installs solutions by determining and designing system specifications, standards, and programming.
• Improves operations by conducting systems analysis; recommending changes in policies and procedures.
• Obtains and licenses software by obtaining required information from vendors; recommending purchases; testing and approving products.
• Updates job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment
• Participate in educational opportunities & read professional publications;
• Protects operations by keeping information confidential.
• Provides information by collecting, analyzing, and summarizing development and service issues.
• Accomplishes engineering and organization mission by completing related results as needed.
• Develops software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.
Skill sets we require:
• Proven work experience as a Software Engineer or Software Developer
• Experience designing interactive applications
• Ability to develop software in or other programming languages like JIRA or Postman
• Excellent knowledge of relational databases, MYSQL and Restful API
• Experience developing web applications using at least one popular web framework (Laravlel, Codeigniter and Magento)
• Experience with test-driven development
• Proficiency in software engineering tools
• Ability to document requirements and specifications
Experience & Pedigree:
• Bachelor’s/Master’s degree in Computer Science Engineering or equivalent
• Has a thorough understanding of relational databases and security relating to PHP/MySQL
• Has expertise in HTML/CSS/JavaScript/jQuery
• Skilled in managing backend services and ensuring seamless data interchange between server and end-users. No traditional HR Processes
• Knowledgeable with writing web services and REST APIs for web and mobile application integration.
• Has designed and maintained database experience.
• AWS can be a plus point

➢ Must have great ability to create RESTful webservices in SpringBoot
➢ Great to have knowledge and experience in PL/SQL
➢ Great to have exposure into React 17+/MaterialUI
➢ Exposure into Load Balancing using Nginx
➢ Exposure into Docker
➢ Exposure into Fusion
Knowledge, Skills and Attributes:
➢ Good verbal, written communication skills and interpersonal skills
➢ Ability to work in late evening shifts to overlap with the counterparts in US
➢ Demonstrate a positive attitude
➢ Display a level of integrity
➢ Immediate joining
➢ Experience of minimum 5 years
➢ Handle things individually, ready to start off
We are looking to hire Node.js Backend developers to build a consumer-friendly social commerce app.
You can apply if you have knowledge of JavaScript and frameworks/systems (nodejs) and
- Strong analytical skills and aptitude Good Understanding of architecture, software design and best coding practices
- Ability to learn new languages and technologies
- Experience with databases (both SQL and NoSQL)
- Familiarity with Agile development methodologies
- Good working knowledge of Linux
- Excellent communication skills
Plus points:
- Knowledge of Redis, Mongo and Mysql.
- Knowledge of AWS services.
- Knowledge of CI/CD pipelines.
- Deep understanding of Database Indexing.
- Knowledge of microservices architecture.
- Knowledge of golang/rust.
Working with an early stage startup can get you an opportunity to build systems from scratch, exponentially grow your career and become industry leaders. You will be working with experienced software engineers from top IITs, unicorns and soonicorns who have built systems for millions of users
fulfill the job duties, certifications, years of experience, degree)
• 3 - 5 years’ experience in a highly technical role at hyper-growth startup or fast-paced
company
• Extensive background designing, developing, testing, deploying, maintaining, and
improving software
• Demonstrable experience architecting scalable and cost effective solutions to ensure
and support the customer growth
• Experience mentoring junior engineers in all aspects of planning, development and
testing
• Demonstrated ability to translate business goals and initiatives into technical
requirements
• Strong understanding of system design and architecture.
• Interest in engaging with latest technologies and evaluating strategies to keep the
Novo technology stack up to date
• Excellent written and verbal communication skills with the ability to collaborate with
both technical and non-technical teams effectively.
• Work across our tech stack which includes:
o Node.js and Go for our application code
o React for our frontend code
o GraphQL for communication between systems
o Docker for running our services
o PostgreSQL for persistent data storage
Nice To Have, but Not Required:
• Experience with Go programming language
• Experience working in a startup en
Your responsibilities as a backend engineer will include:
- Back-end software development
- Software engineering and designing data models and write effective APIs
- Working together with engineers and product teams
- Understanding business use cases and requirements for different internal teams
- Maintenance of existing projects and New feature development
- Consume and integrate classifier/ ML snippets from Data science team
What we are looking for:
- 2+ years of industry experience with the Python and Django framework.
- Degree in Computer Science or related field
- Good analytical skills with strong fundamentals of data structures and algorithms
- Experience building backend services with hands-on experience through all stages of Agile software development life cycle.
- Ability to write optimized codes,debug programs, and integrate applications with third party tools by developing various APIs
- Experience with Databases.
- Experience with writing REST-APIs.
- Prototyping initial collection and leveraging existing tools and/or creating new tools
- Experience working different types of datasets (e.g. unstructured, semi-structured, with missing information)
- Ability to think critically and creatively in a dynamic environment, while picking up new tools and domain knowledge along the way
- A positive attitude, and a growth mindset
Bonus:
- Experience with relevant Python libraries such as Requests, sklearn, Selenium
- Hands on experience in Machine learning implementations
- Experience with Cloud infrastructure (e.g. AWS) and relevant microservices
- Good Humor
- Using the latest technologies to solve real problems for our customers at a massive scale
- Collaborating closely with other engineers as a valuable member of a cross-functional team
- Sharing your knowledge and building creative solutions while helping the team evolve best practices
- Designing, developing, and deploying backend services with a focus on high availability, low latency, and scalability
- Taking end-to-end responsibility for the services that are owned by your team, including taking part in an on-call rotation
Who you are
- A minimum of B.S. degree in Information Technology or Computer Science or 5+ years in a similar position
- Able to adapt, change and grow quickly as we scale the organization
- Passionate about engineering practices like agile, continuous delivery, test-driven development, traceability, and observability
- Growth mentality is curious and not afraid to be experimental.
- You share your ideas and continuously improve yourself and the team around you
- Solid experience as an Engineer designing, developing and maintaining API driven solutions
- Strong communication skills, high integrity, and great attention to detail
You’ll get to work with:
- Docker and Kubernetes
- Go and/or PHP
- PostgreSQL, Elastic Search, RabbitMQ
- Memcache, Redis
- Microservices architecture
- ELK, Jaeger, Prometheus & Grafana









