
Lead API Engineer - IND
Engineering - Hyderabad, Telangana
About Gradera
At Gradera, we’re defining a new category of enterprise transformation called Software-Orchestrated Services™ (SoS™) — a governed blend of human expertise and digital intelligence that transforms how enterprises operate.
Our mission is to build intelligent digital workers that augment teams and automate work across the value chain, helping organizations become more efficient, agile, and resilient.
We don’t believe in one-size-fits-all solutions. Every engagement is tailored to the unique needs of each enterprise — grounded in governance, security, and reliability. By aligning technology with strategy, we empower our clients to achieve measurable outcomes and lead with confidence in a rapidly evolving digital landscape.
Lead – API Engineer
Overview
Key Responsibilities
•Provide technical leadership, mentorship, and guidance to the API engineering team
•Lead the design, implementation, and evolution of API architecture and backend services
•Champion API-first development, ensuring clear contracts and comprehensive documentation (OpenAPI/Swagger)
•Lead the implementations of APIs conforming to all NFRs including security, scalability, and performance.
•Ensure robust authentication, authorization, and data protection for all endpoints
•Drive adoption of best practices in API design, versioning, and integration
•Optimize API performance for low-latency, high-frequency interactions
•Oversee observability, monitoring, and alerting for all APIs and backend services
•Collaborate closely with product, UI, and runtime teams to deliver integrated solutions
•Collaborate with the SDET to ensure comprehensive test coverage and effective test data creation
•Lead the adoption of modern API tools, frameworks, and best practices
•Ensure engineering rigor, code quality, and documentation standards are met
•Facilitate clear communication, knowledge sharing, and effective documentation within the team
•Support team growth through coaching, feedback, and skills development
Core Qualities & Skills
•Proven experience leading API or backend engineering teams and delivering complex API projects
•Deep expertise in API architecture, design, and implementation (RESTful, GraphQL, gRPC etc.)
•Strong programming skills in relevant backend languages (e.g., Node.js, Python, Java, Go, etc.)
•Experience with API security, authentication, and authorization (OAuth, JWT, RBAC, PKCE, define fine-grained access controls using ReBAC)
•Experience with API documentation and standards (OpenAPI/Swagger, Use Case, JSON Schemas, etc.)
•Familiarity with data serialization with Protofbuf
•Experience with some API gateway is a must
•Strong understanding of performance optimization, scalability, and reliability for APIs
•Experience with observability, monitoring, and troubleshooting for backend services
•Strong collaboration and alignment skills across disciplines
•Willingness to learn, share knowledge, and adapt to evolving technologies
•System design skills and awareness of technical debt and tradeoffs
•Excellent communication, documentation, and stakeholder management abilities
•Comfort with ambiguity, discovery, and rapid change
•Commitment to engineering excellence, security, and responsible practices
Preferred Qualifications
•7+ years of hands-on API or backend engineering experience, with 2+ years in a technical leadership role
•Track record of architecting and delivering scalable, reliable API systems
•Experience with modern development practices (CI/CD, automated testing, code reviews)
•Demonstrated ability to mentor and grow engineers
•Experience working in cross-functional, agile teams
Highly Desirable
•Experience with API gateways (e.g., Envoy, Kong, Apigee) and service mesh patterns (e.g., Istio)
•Experience with event-driven and streaming architectures (pub/sub, callbacks, Kafka, etc.)
•Experience with cloud-native infrastructure and automated provisioning (e.g., Terraform)
•Experience building developer portals and self-service onboarding for APIs
•Experience with API Gateways (Apache APISIX, KrakenD, …)
•Ability to perform API Domain Modelling with a strong product orientation, aligning technical design with user and business needs
•Experience thriving in fast-paced, ambiguous environments and balancing rapid delivery with technical excellence
•Experience leading or working with distributed, multidisciplinary teams
Success Metrics
•API response time (median and p95)
•Uptime and reliability of critical services
•Test coverage for API and backend logic
•Developer velocity and time from API design to production
•Time to First Prototype (TTFP)
•Integration lead time for API consumers
•Technical debt reduction and architectural alignment
•Team growth, engagement, and retention
•Stakeholder satisfaction and cross-team collaboration

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About Us:
At Tradelab Technologies Pvt Ltd, we don’t just build web applications, we create highperformance trading platforms tailored for brokers and financial institutions. Our platforms powerreal-time market analysis, ultra-low-latency trade execution, and seamless broker-client interactions. We work in a high-stakes, outcome-driven environment where brokers demand reliability, speed, and security. If you're an expert React developer who thrives on solving complex front-end engineering challenges in the brokerage and trading domain, this is the role for you.
Min 2 years of mobile development experience, with 1+ years in Flutter & Dart.
Proven ability to build and scale real-time, high-performance fintech applications.
A sharp eye for stunning UI/UX design that balances aesthetics with seamless functionality.
Mastery over state management solutions (Provider, Riverpod, BLoC, or similar).
Hands-on experience with real-time data streaming, push notifications, and WebSockets.
Strong expertise in security, encryption, and compliance—you know fintech demands precision.
A track record of integrating RESTful APIs, GraphQL, and third-party services into flawless mobile apps.
A mindset that thrives under pressure—we work fast, and we expect results.
Lead the development of world-class fintech mobile applications that redefine user expectations.
Architect and optimize blazing-fast, low-latency Flutter applications for financial markets.
Work with designers, backend engineers, and product teams to craft seamless, intuitive, and ultra secure user experiences.
Solve hard problems at scale—whether it’s optimizing performance, reducing load times, or ensuring
absolute security.
Push the boundaries of mobile fintech innovation, from AI-powered insights to predictive analytics.
Own your work end-to-end—no excuses, no hand-holding, just results.
What You Will Do:Must-Have Skills:
Min 2 years of mobile development experience, with 2+ years in Flutter & Dart.
Proven ability to build and scale real-time, high-performance fintech applications.
A sharp eye for stunning UI/UX design that balances aesthetics with seamless functionality.
Mastery over state management solutions (Provider, Riverpod, BLoC, or similar).
Hands-on experience with real-time data streaming, push notifications, and WebSockets.
Nice-to-Have Skills:
Experience in high-frequency trading, stock markets, or financial data visualization.
Contributionsto open-source Flutter projects or a portfolio of high-impact applications.
Knowledge of AI-driven UX, machine learning integrations, or automation in mobile apps.
A background in mentoring developers, leading mobile teams, or setting architectural standards.
Why Join Us?
Work with some of the sharpest minds in fintech and mobile engineering.
Build products that traders, investors, and financial professionals rely on daily.
A culture that values bold innovation, fast execution, and pushing boundaries.
Expect challenges, high expectations, and relentless pursuit of excellence.
Take complete ownership—from ideation to deployment, every pixel and every line of code should
scream excellence.
Competitive compensation, performance-driven growth, and a real opportunity to lead and shape the future of fintech mobile applications.
If you’re obsessed with performance, thrive under pressure, and are driven by results, we want you on our team. This is your chance to solve some of the toughest engineering challenges in
fintech. Step up. Apply now.

Senior Backend Developer /Backend Developer
Hiring for the position of Backend Developer responsible for managing back-end services and the interchange of data between the server and the users.
Your primary focus will be the development of all server side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.
Role
● Create and consume restful APIs
● Design, develop, and maintain internal and external applications
● Build efficient, testable, and reusable modules
● Write high quality, structured application/interface code and documentation
● Identify solutions through research and collaboration that resolves the root of problems as they arise
● Define functional and technical requirements for application software to develop skills and knowledge
● Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
● Contribute in all phases of the development lifecycle
Requirement
∙ Proficient in Node.JS
∙ 2+ years’ experience designing, querying, and updating databases in MySQL/nosql
∙ Passion for best design and coding practices and a desire to develop new bold ideas
∙ Good to have knowledge of AWS, Redis, ElasticSearch
Education: Min. Graduate in related discipline
Work experience: 2 years relevant experience
Job Title: Node.js Developer
Experience: 4+ Years
Salary: Up to ₹12 LPA
Joining: Immediate
Gender Preference: Male candidates only
Requirements:
- Minimum 4 years of hands-on experience in Node.js development.
- Strong understanding of JavaScript (ES6+), RESTful APIs, and asynchronous programming.
- Experience with databases like MongoDB, MySQL, or PostgreSQL.
- Familiarity with Git and version control workflows.
- Strong problem-solving skills and attention to detail.
- Excellent communication and interpersonal skills.
- Ability to work in a fast-paced, collaborative environment.
Key Responsibilities:
- Development of a Single Page Application (SPA) and it's components in Typescript: deployed and optimized for progressive mobile and browsers using Angular 2 and Ionic 2 frameworks.
- Creating custom, general use modules and smart components which extend the elements and modules of core Angular framework.
- Creating self-contained, reusable, and testable modules and components in Typescript and using responsive HTML and CSS.
- Architecting and automating the build process for production, using task runners or scripts.
- Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed
Skills and Qualifications:
- Should have experience with CSS 3, SCSS, Java script and HTML5.
- Full-time knowledge of Angular practices and commonly used modules based on extensive work experience. Or 2 Year or more experience with other industry-leading frameworks like React.
- Minimum 1-year experience in working and extending one of the CSS or UI frameworks like Ng-lightening, Angular-material
Education:
- BE / BTech / MCA
Roles and Responsibilities
- Develop data analysis and processing engines using Python
- Develop server-side applications
- Develop and deploy applications on AWS
- Individually manage multiple projects with end-to-end oversight
- Undertake POCs on new tech stacks and integrate them in applications on a functional level
- Design small and large applications on an enterprise level
- Understand business requirements and translate them into applications
- Plan projects with complete details such as efforts, timelines, and wireframes
- Work under tight timelines
- Assist in project management of micro-innovation projects
- Create tools, templates, SOPs / training manuals, process documents etc
- Work with cross-functional / domain teams
- Work in a fast-paced and agile development environment
Desired Candidate Profile
- 3+ years of relevant experience with Object Oriented Programming.
- Expertise in Web frameworks: Django, Flask.
- Should have working knowledge in Programming: Python Advanced.
- Hands on knowledge on Source Control: GIT.
- And RESTFul Services.
- Strong knowledge of MVC / MVT framework, Apache Web Server/IIS/nginx, Docker, etc
- Proficiency in writing Web APIs / Rest APIs
- Ability to develop client server architecture applications
- Excellent understanding of relational databases such MySQL, MS SQL, and NoSQL(Mongodb)
- Strong understanding of how to connect a database with a chosen back-end language, with adequate grip over architecture
- Understanding of security-related concepts / within a server-side application
- Adequate knowledge on SDLC
Role - Backend Developer
Experience:- 2+
Qualification:- BE Computer Engineering/MCA
Programming Language - Python & framework Django
Responsibilities
- Building REST API's & Services In Django Framework
- 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 the database schema
- Design and implementation of data storage solutions
- Implementing CI/CD pipeline
- Proficient knowledge of a back-end programming language Python
- Hands-on experience with Python Frameworks like Django
- Proficient knowledge of MySQL, PostgreSQL
- Creating database schemas that represent and support business processes (Relational & NoSQL)
- Understanding of queueing systems like Redis/AWS SQS
- User authentication and authorization between multiple systems, servers, and environments
- Data migration, transformation, and scripting
- Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
- Proficient understanding of code versioning tools, such as Git
Brownie Points
- Experience in Docker
- HandsOn Knowledge with implementing CI/CD pipelines
- Experience in managing applications on AWS
- Management of hosting environment, including database administration and scaling application to support load changes
- Product wide application-level thinking on API and data modeling
- Experience in at least one of the frameworks YII / Codeigniter
- Experience in Laravel(Mandatory)
- Good experience in JS, JQuery, AJAX, Angular JS
- Good experience in Html, CSS, Responsive Design.
- Ability to write and consume web services and REST services.
- Knowledge on Developing APIs for Mobile Applications
- Should have excellent communication skill and technical skill
- Extensive OOD (Object-oriented design) / OOP (Object-oriented programming) experience.
- Good knowledge of relational databases (MySQL), version control tools and of developing web services
- Should have good understanding skill and ability to work independently or within a team and lead a team.
- Passion for best design and coding practices and a desire to develop new bold ideas.
- Knowledge of and experience applying design patterns andimplementing industry best practices required.
Good to Have Skills:
- Knowledge on Server Maintenance
- Knowledge on Amazon AWS
-
If you fit the above criteria, send your latest resume along with following information duly filled to us immed at appleinformatics(at)yahoo.com
- Total Experience:
- Relevant Experience:
- Current Job location:
- Notice Period:
- Reason for change:
- Current CTC:
- Expected CTC:
Can join earliest by:






