Java Engineer

Core Responsibilities:

• Design & Development: Architect and implement scalable backend services and APIs using Python or Golang, ensuring high performance, resilience, and extensibility.
• System Ownership: Take end-to-end ownership of critical modules, from design and development to deployment and support.
• Technical Leadership: Conduct design and code reviews, enforce best practices, and mentor junior engineers to raise the team’s technical bar.
• Collaboration: Work closely with product managers, architects, and other engineers to translate business requirements into technical solutions.
• Performance & Reliability: Troubleshoot complex issues in production systems, identify root causes, and design sustainable long-term solutions.
• Innovation: Evaluate new technologies, contribute to proof-of-concepts, and recommend tools that can improve developer productivity.
• Process Improvement: Drive initiatives to improve coding standards, CI/CD pipelines, and automated testing practices.
• Knowledge Sharing: Document designs, create technical guides, and share insights with the broader engineering team.

Experience and Expertise:

• 4–7 years of backend development experience with Python or Golang.
• Strong expertise in designing, developing, and scaling microservices and distributed systems.
• Solid understanding of concurrency, multi-threading, and performance optimization.
• Proficiency with databases (SQL/NoSQL), caching systems (Redis, Memcached), and messaging systems (Kafka, RabbitMQ, etc.).
• Hands-on experience with Linux development, Docker, and Kubernetes.
• Familiarity with cloud platforms (AWS/GCP/Azure) and related services.
• Strong debugging, profiling, and optimization skills for production-grade systems.
• Experience with AI-powered development tools is a strong plus; familiarity with concepts like 'agentic coding' for workflow automation or 'context engineering' for leveraging LLMs in system design is highly desirable.

Skills:

• Strong problem-solving ability, with experience handling complex technical challenges.
• Ability to lead technical initiatives and mentor junior engineers.
• Excellent communication skills to collaborate with cross-functional teams and articulate trade-offs.
• Self-motivated, proactive, and able to operate independently while aligning with team goals.
• Passionate about engineering culture, quality, and developer productivity.

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.

Role & Responsibilities

Take end-to-end ownership of critical backend services — from architecture and development to deployment and scale.

Design systems for performance, reliability, and observability. Identify bottlenecks and eliminate them proactively.

Collaborate with product and design to deeply understand user pain points and build the right solutions.

Work independently and own complex modules with minimal oversight.

Champion clean, maintainable code and help set a high bar for engineering excellence across the team.

Stay up-to-date with new tools, technologies, and backend trends — and bring the best ideas into our stack.

Ideal Candidate

2+ years of backend development experience, ideally with Kotlin and Spring Boot (or willingness to ramp up quickly).

You’ve worked in fast-moving teams and thrive when given room to figure things out.

You take initiative and can drive complex modules to completion without needing constant guidance.

Strong with both low-level and high-level design; you know how to build scalable, reliable RESTful APIs.

Proficient with relational databases and aware of common performance pitfalls.

Confident with debugging and optimizing — memory leaks, latency issues, and other hard-to-find problems don’t scare you.

You write clean, testable code and know how to leave systems better than you found them.

You bring a product mindset — caring not just about what’s built, but why and how it delivers value to users.

Roles and Responsibilities:

1. Contribute in all phases of the development lifecycle
2. Write well designed, testable, efficient code
3. Ensure designs comply with specifications
4. Prepare and produce releases of software components
5. Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
6. Ensure continual knowledge management
7. Adherence to the organizational guidelines and processes

Skills /Competencies: a. Bachelor/Master’s degree with good experience in computer programming b.4+ years working experience in application development using Java

Essential Skills:

1. Hands on experience in designing and developing applications using Java EE platforms
2. Object Oriented analysis and design using common design patterns.
3. Profound insight of Java and JEE internals (Data structure, Algorithm and time complexity, Memory Management, Transaction management etc)
4. Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
5. Experience in the Spring Framework
6. Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC) and UI technology (Angular/React JS)
7. Ability to operate independently while establishing strong working relationships with co-workers and cross-functional teams
8. Strong organizational and prioritization skills
9. Demonstrate critical attention to detail and deadlines, and are self-motivated
10. Ability to adapt to changes in direction and priorities in a project and deadline-oriented environment
11. Strong written and verbal English communication skills
12. Problem-solving attitude

Preferred skills Good to have –

1. Knowledge in any UI technology (Angular, React, JS)
2. Intermediate level knowledge of Unix environment (User commands, not System Admin commands)
3. Understanding of capital markets and middle/back office processes in the financial services space

Requirements

• Senior SD4 engineer/Principal Engineer/ Architect who has led or been part of platform teams inside a large/mid tech company
• Deep expertise working with any of the programming languages to write maintainable, scalable, unit-tested code.Python experience is a bonus - but not required
• Good understanding of REST APIs and the web in general and ability to build a feature from scratch & drive it to completion
• Experience with Kubernetes, Prometheus, Grafana, ELK stack, Load Balancing
• Experience in building a platform team on AWS for Product based companies/start-ups

What You’ll Do

• Build the core technology platform, including Automated provisioning of infrastructure, deployment, and monitoring of services
• Build a central services directory within an organization that shows the cost and health of all services and makes the management of microservices extremely easy
• This involves working with core infrastructure and understanding them in great detail - like Kubernetes, ServiceMesh, Service security
• Mentor/coach engineers to facilitate their development and provide technical leadership

Role – Senior Developer (Back End)

Location - Bangalore

Experience 5+ Years

Responsibilities

• Responsible for design & developing products involving Java, JEE, Springboot.
• Object-oriented analysis and design using common design patterns.
• Deep insight of Java and JEE internals such as memory management, transaction management, etc.
• Design and develop features and modules for mission-critical applications.
• Contribute in all phases of the development lifecycle.
• Ensure designs are in compliance with specifications.
• Prepare and produce releases of software components.
• Mentoring and guiding the team members.
• An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
• Implementation of API.

Requirements

• 5+ years of experience in strong core java & J2EE skill
•  5+ years of experience in Spring Boot.
• 5+ years of experience in Spring and REST/SOAP services
• Strong knowledge in Java web application design and development
• Strong knowledge of Spring frameworks (Spring Boot, Spring integration, Spring Security, etc.), JPA, RESTful APIs
• Experience with design and development of highly available, distributed and scalable transactional enterprise systems
• Results oriented and focused on meeting deliverable timelines.
• A team player with excellent communication skills.

Core Experience:

•Experience in Core Java, J2EE, Spring/Spring Boot, Hibernate, Spring REST, Linux, JUnit, Maven, Design Patterns.

• Sound knowledge of RDBMS like MySQL/Postgres, including schema design.

• Exposure to Linux environment.

• Exposure to Docker and Kubernetes.

• Basic Knowledge of Cloud Services of AWS, Azure, GCP cloud provider.

• Proficient in general programming, logic, problem solving, data structures & algorithms

• Good analytical, grasping and problem-solving skills.

Secondary Skills:

• Agile / Scrum Development Experience preferred.

• Comfortable working with a microservices architecture and familiarly with NoSql solutions.

• Experience in Test Driven Development.

• Excellent written and verbal communication skills.

• Hands-on skills in configuration of popular build tools, like Maven and Gradle

• Good knowledge of testing frameworks such as JUnit.

• Good knowledge of coding standards, source code organization and packaging/deploying.

• Good knowledge of current and emerging technologies and trends.

Job Responsibilities:

• Design, Development and Delivery of Java based enterprise-grade applications.

• Ensure best practices, quality and consistency within various design and development phases.

• Develop, test, implement and maintain application software working with established processes.

Work with QA and help them for test automation

• Work with Technical Writer and help them documenting the features you have developing.

Education and Experience:

• Bachelor’s / master’s degree in computer science or information technology or related field

CodeCraft Technologies is a multi-award-winning creative engineering company offering design and technology solutions on mobile, web, and cloud platforms.

We are looking for an ambitious Xamarin developer to join our team.

Roles and Responsibilities:

• Work with product owners and engineering managers to understand the product roadmap.

• Designing and building advanced mobile features and Custom UI.

• Ensuring responsiveness of applications.

• Collaborate with cross-functional teams to define, design, and ship new features.

• Keep the app stable and secure all the time.

• Continuously discovering, evaluating, and implementing new technologies and processes to maximize development efficiency.

• Comprehensively testing code for robustness including edge cases, usability and general reliability.

• Building reusable components and front-end libraries for future use.

• Communicate with the project manager regarding the status of the project and suggest appropriate deadlines for new functionalities.

• Resolve all the bugs reported by the QA team in a timely manner.

Desired Profile:

• Must Have Skills: Xamarin, MAUI, C# .NET

• Other Skills: Flutter & Dart and/or Java/Kotlin and/or Swift/ Swift UI

Good to Have:

• .NET Certification

• Native (iOS and Android) development Experience.

About the company and work culture:

You will love working with CodeCraft ☺

● Our projects are fast-paced. Everyone is expected to take ownership of the work assigned and are accountable for the same.

● We love to work with people who are proactive, Solution providers and are contributing positively.

● The office has an open culture.

● We encourage leadership development.

● We have good long-term benefits, a yearly vacation, and good opportunities to learn new skills and grow.

● We have worked with the #1 Sports stadium in the world and developed solutions used by NFL, NBA, and Soccer teams.

● We are currently working with clients on the Forbes list USA. One of them is the youngest RE billionaire in the USA.

● Our clients include a few Fortune companies.

● We have developed solutions featured by Apple and Microsoft.

● We won all the entries sent to design awards including a few Indian and International design awards.

● We are working with one of the 50 largest employers in NYC in the healthcare domain.

● We are working with both emerging and very successful start-ups globally.

Design Awards:

● India's Best Design Project Award, IBDA 2018. The jury was from 11 countries. We had 2 entries and won both.

● 11th International Design Awards, LA. There were 3200 entries from 95 countries. We won Silver in design for the Society Category.

● India's Best Design Project Award, IBDA 2017. The jury was from 10 countries.

● Finalist at Design4India- NASSCOM event.

Our business spread last year was:

• USA (95%)

• UK, India, New Zealand and Germany (2%)

Visit us on:

https://www.codecrafttech.com/

LinkedIn - https://tr.linkedin.com/company/codecraft-technologies-private-limited

Instagram - https://www.instagram.com/codecrafttech/

Facebook - https://www.facebook.com/CodeCraft/