Senior Java Software Engineer

Position: Senior Backend Developer

Type: Full-Time Location: Onsite

Experience Level: 5+ years (Intermediate to Senior)

About the Role: We are looking for a highly skilled Senior Backend Developer with 5+ years of experience to work alongside our AI/ML and frontend teams in building an AI-driven customer support system. You will be responsible for designing, developing, and optimizing the backend architecture, ensuring seamless integration with AI models, real-time data processing, and third-party tools. This role requires expertise in scalable API development, database management, and cloud deployment while ensuring high performance and security.

Key Responsibilities:

Backend Development & Architecture:

● Design and develop a scalable, high-performance backend to support AI-driven customer interactions.

● Build and optimize RESTful APIs and GraphQL endpoints for real-time voice and text processing.

● Develop microservices-based architectures to ensure modularity and scalability.

● Implement authentication & authorization mechanisms (OAuth, JWT, Role-Based Access Control).

AI & API Integration:

● Integrate AI models for speech recognition, sentiment analysis, and conversational AI.

● Ensure smooth data exchange between AI/ML models and frontend applications.

● Work with third-party tools such as Twilio, AWS Connect, and CRM systems for seamless interaction.

● Optimize API response times for real-time customer interactions with low latency.

Database Management & Data Processing:

● Design and manage relational (SQL) and NoSQL databases for AI model training and customer data.

● Implement efficient data pipelines for processing large datasets and real-time analytics.

● Ensure data consistency, integrity, and compliance with security standards.

Deployment, Security & Performance Optimization:

● Deploy scalable backend solutions on cloud platforms like AWS, GCP, or Azure.

● Implement CI/CD pipelines for smooth deployment and version control.

● Optimize database queries, API endpoints, and caching mechanisms for maximum performance.

● Implement security best practices (encryption, rate limiting, and logging).

Collaboration & Ownership:

● Work closely with AI/ML engineers and frontend developers to ensure seamless integration.

● Take ownership of backend architecture and propose enhancements for scalability.

● Stay updated with the latest backend technologies, AI integration techniques, and cloud advancements.

Required Skills and Qualifications:

Education:

● Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.

Core Skills:

● Proficiency in backend programming languages (Python, Node.js, or Golang).

● Experience with machine learning libraries and AI model integration (TensorFlow, PyTorch).

● Expertise in RESTful API and GraphQL development for AI-driven applications.

● Proficiency in relational databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis).

● Experience with microservices architecture and containerization (Docker, Kubernetes).

● Strong knowledge of cloud services (AWS Lambda, EC2, S3, GCP Functions, Firebase).

● Familiarity with event-driven architectures (Kafka, RabbitMQ, AWS SQS).

● Experience in implementing caching strategies (Redis, Memcached).

● Understanding of DevOps and CI/CD pipelines (GitHub Actions, Jenkins).

Preferred Experience:

● Previous experience working with AI-powered applications or conversational AI APIs.

● Familiarity with WebSockets and real-time communication protocols.

● Experience with serverless computing and cloud-native solutions.

● Strong understanding of distributed systems and large-scale architectures.

● Experience 3rd party API integrating (like Twilio, Vonage, or AWS Connect).

Soft Skills:

● Strong problem-solving and analytical skills.

● Excellent communication and collaboration with cross-functional teams.

● Proactive mindset with a focus on scalability and system optimization.

• 4+ years exp with solid backend/engineering experience.
• Knowledge of data structures and an eye for architecture.
• Solid CS fundamentals, fluent in multi-threaded and asynchronous programming, a strong inclination for architecting at scale.
• Excellent technical design, problem-solving, debugging, and communication skills.
• Rapid prototyping worked on distributed systems at scale.
• Basic knowledge of SQL as well as NoSQL databases.
• Proficient in Golang, it's design, and concurrency patterns.

• Discussing the project aims with the company requirement and development team.
• Designing and building web applications using Laravel.
• Troubleshooting issues in the implementation and debug builds.
• Working with front-end and back-end developers on projects.
• Testing functionality for users and the backend.
• Ensuring that integrations run smoothly.
• Scaling projects based on Company feedback.
• Recording and reporting on work done in Laravel.
• Maintaining web-based applications.
• Presenting work in meetings with clients and management.

Responsibilities:

 Develop and maintain high-quality, scalable, and efficient Java codebase for our ad-serving platform.

 Collaborate with cross-functional teams including product managers, designers, and other developers to

understand requirements and translate them into technical solutions.

 Design and implement new features and functionalities in the ad-serving system, focusing on performance

optimization and reliability.

 Troubleshoot and debug complex issues in the ad server environment, providing timely resolutions to ensure

uninterrupted service.

 Conduct code reviews, provide constructive feedback, and enforce coding best practices to maintain code quality

and consistency across the platform.

 Stay updated with emerging technologies and industry trends in ad serving and digital advertising, and integrate

relevant innovations into our platform.

 Work closely with DevOps and infrastructure teams to deploy and maintain the ad-serving platform in a cloud- based environment.

 Collaborate with stakeholders to gather requirements, define technical specifications, and estimate development

efforts for new projects and features.

 Mentor junior developers, sharing knowledge and best practices to foster a culture of continuous learning and

improvement within the development team.

 Participate in on-call rotations and provide support for production issues as needed, ensuring maximum uptime

and reliability of the ad-serving platform.

Role: Java developer
Experience: 4+ years

Job description

○ Working experience on JAVA,Spring Boot. (on building web services?)

○ NOSQL DynamoDB knowledge is plus

○ Working experience in building micro services and distributed systems

○ Working experience on using messaging queues RabbitMQ/Kafka is plus

We focus on client adoption of disruptive technologies, technology architecture and providing specialized skills related to integration, custom software engineering, testing, application modernization, agile and more. We help our clients with the most complex projects including working in open web platforms, DevOps platforms as well as intelligent Computing and Architecture enhancement.

We are looking for hands on, smart thinking Applications developer to join our fast-growing team of talented professionals. You will have the opportunity to work on large enterprise solutions and deliver solutions that deliver business performance for our customers.

WORK YOU’LL DO

• Design and develop microservices/APIs using either Java/Spring boot, ISTIO, Kubernetes, Docker, CI / CD Pipelines
• You would scale micro services using Kafka or similar messaging systems.
• Collaborate with clients, architects, and application architectures to understand the operational objectives and purpose of the future system integration.
• Understand the points of integration between the different systems and highlight the potential risks associated with the delivery of solutions
• Collaborate with Functional Designers and Developers in order to find best solutions
• Produce detailed functional and technical specifications.
• Assist in producing solutions with threat assessments and associated security awareness.
•  

WHAT WE ARE LOOKING FOR

• 5- 8 years of hands-on experience designing and developing microservices using either Java/Spring Boot
• 3-5 years of experience with system integration
• Minimum of 3 years of relevant experience with API concepts and technologies such as REST, JSON, XML, SOAP, YAML, GraphQL, and Swagger
• Experience developing within agile methodology using CI/CD pipeline
• Experienced in 3-tier, n-tier, cloud computing, microservices architectures and SOA.
• Good knowledge of integration architectures
• Experience supporting and/or implementing complex integration projects
• Excellent client management skills
• Experience with Data modelling would be an asset

QUALIFICATIONS

• Experience of working in an Agile Environment
• Ability to drive design from Stories and Requirements
• Adept at UML, Design Patterns, Reusable Services Development,
• Knowledge on Scaling Microservices

ThoughtWorks is a global software consultancy with an aim to create a positive impact on the world through technology. Our community of technologists thinks disruptively to deliver pragmatic solutions for our clients' most complex challenges. We are curious minds who come together as collaborative and inclusive teams to push boundaries, free to be ourselves and make our mark in tech.

Our developers have been contributing code to major organizations and open source projects for over 25 years. They’ve also been writing books, speaking at conferences and helping push software development forward, changing companies and even industries along the way. We passionately believe that software quality is driven by open communication, review and collaboration. That’s why we’re such vehement supporters of open source and have made significant contributions to open source tools for testing, continuous delivery (GoCD), continuous integration (CruiseControl), machine learning and healthcare. 

As consultants, we https://www.thoughtworks.com/careers/hub/consultant-life">work with our clients to ensure we’re evolving their technology and empowering adaptive mindsets to meet their business goals. You could influence the digital strategy of a retail giant, build a bold new mobile application for a bank or redesign platforms using event sourcing and intelligent data pipelines. You will use the latest Lean and Agile thinking, create pragmatic solutions to solve mission-critical problems and challenge yourself every day.

You’ll spend time on the following:

• You will champion best practices like writing clean and reusable code using practices like TDD, SOLID principles, OO design, and pair programming
• You will partner with other technologists from cross-functional teams advocating devops culture
• You will work in collaborative, product-focused teams to build innovative customer experiences
• Take ownership and accountability beyond individual deliverables, always pushing the envelope in order to deliver awesome results for our clients
• Learn, digest and subsequently apply the latest technology thinking from ourhttps://www.thoughtworks.com/radar"> tech radar to solve client problems

Here’s what we’re looking for:

• You have 2+ years* of experience using two or more development languages (Java, JavaScript, Ruby, C#, etc.) with experience in Object-Oriented programming
• You’re willing and able to commit to traveling up to 100% (back home on the weekends) across the US and Canada to help our clients solve their business problems
• You can write clean, high-quality code in a variety of languages and are also able to spot (and improve) bad code
• You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
• You have experience with Agile, Lean and/or Continuous Delivery approaches such as Continuous Integration, TDD, Infrastructure as Code, etc.
• Bonus points if you have knowledge of cloud technology such as AWS, Docker or Kubernetes
• You’re willing and able to commit to travel to client sites in order to solve their business problems