Senior Principal Engineer - Java and Microservices

Position: As part of our dynamic team, reporting directly to the Manager of Software Engineering, we are looking for a talented mid-level API Developer. Your role will focus on designing, developing, and operating cutting-edge cloud-native microservices and APIs. You will oversee the entire API lifecycle—from design, security, and deployment to continuous integration/continuous delivery (CI/CD) and runtime observability. You will collaborate closely with data and machine learning teams to integrate AI/ML services, including Generative AI and Retrieval-Augmented Generation (RAG) workflows.RESPONSIBILITIES:API & Microservices Design:Design and implement robust RESTful and GraphQL services utilizing Python (FastAPI, Flask, Django) and Node.js.Adhere to 12-factor and microservices principles including idempotency, backward compatibility, versioning, pagination, and error modeling.Develop asynchronous APIs (AsyncIO) for high-throughput, low-latency scenarios.Create and maintain OpenAPI/Swagger specifications; generate SDKs and comprehensive developer documentation.Cloud-Native & Containerization:Containerize applications with Docker, ensuring the creation of lean and secure images (multi-stage builds, non-root users).Manage and orchestrate deployments using Kubernetes (Helm charts, Operators, health checks, Horizontal Pod Autoscaler).Implement service discovery, configuration management, and secrets management solutions (such as Vault and AWS Secrets Manager).Utilize AWS services for API workloads: API Gateway, ALB/ELB, EC2/ECS/EKS, Lambda, S3, CloudFront; familiarity with GCP (Cloud Run, Pub/Sub) and Azure (App Service, AKS) is advantageous.Reliability, Observability & Performance:Establish CI/CD pipelines employing GitHub Actions, Jenkins, and ArgoCD (including linting, testing, Software Composition Analysis, image scanning, and progressive delivery).Implement effective monitoring, logging, and tracing methodologies using Prometheus, Grafana, Loki, Jaeger, and OpenTelemetry.Enhance performance through caching (Redis/ElastiCache), load balancing, and connection pooling; conduct thorough load and latency testing.Establish Service Level Indicators (SLIs) and Service Level Objectives (SLOs), along with alerting mechanisms and on-call runbooks; lead incident retrospectives and drive reliability enhancements.Security & Compliance:Implement zero-trust principles and least privilege access (IAM), JWT/OAuth2/OIDC with AWS Cognito; automate TLS via Let’s Encrypt.Apply rate limiting, throttling, Web Application Firewall/Shield, and input validation; ensure compliance with GDPR/HIPAA, maintaining audit trails.Data, Messaging & Integration:Integrate with SQL (PostgreSQL, MySQL, Snowflake) and NoSQL (MongoDB, DynamoDB, Redis) databases.Develop event-driven integrations utilizing Apache Kafka and RabbitMQ; support idempotent consumers and exactly-once semantics as applicable.Collaborate with data engineering teams on Airflow/dbt-driven pipelines and PySpark jobs exposing API endpoints.AI/ML & Generative AI API Integration:Expose and operationalize machine learning models through APIs (both batch and real-time), integrating MLflow (model registry) and Kubeflow (pipelines/serving).Implement model serving strategies (canary, blue-green, shadow) and facilitate access to feature stores.Join our dedicated team at EVERSANA where innovation drives healthcare solutions.

Job Title: Senior Java Microservices Developer - Bangalore About Us Capco, a Wipro company, stands as a prominent global technology and management consulting firm. Honored with the Consultancy of the Year at the British Bank Awards, we have also been recognized as one of the Top 100 Best Companies for Women in India in 2022 by Avtar & Seramount. With a presence in 32 cities worldwide, we provide support to over 100 clients across the banking, financial, and energy sectors, celebrated for our exceptional transformation execution and delivery. Why Join Capco? Engage in transformative projects with some of the largest international and local banks, insurance firms, payment service providers, and other key industry players. These projects are set to revolutionize the financial services landscape. Make an Impact We value innovative thinking, delivery excellence, and thought leadership to aid our clients in transforming their businesses. Collaborating with our clients and industry partners, we deliver groundbreaking work that is reshaping energy and financial services. #BeYourselfAtWork Capco fosters a tolerant and open culture that embraces diversity, inclusivity, and creativity. Career Advancement At Capco, we offer a flat structure that empowers everyone to take charge of their career growth as we expand. Diversity & Inclusion We believe that a diverse workforce and varied perspectives provide us with a competitive edge. Location: Bangalore Experience: 7+ years

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Join our dynamic team at aumovio as a Senior Cloud Developer where your expertise will drive innovation and excellence in our cloud-native applications. We are seeking a talented Full-Stack Developer with 7 to 10 years of experience, proficient in both back-end and front-end technologies. Your strong foundation in core Java and extensive experience with Spring Boot microservices, coupled with hands-on skills in modern front-end frameworks like ReactJS or Angular, will be crucial in crafting scalable and high-performing features.You will work collaboratively with product owners, architects, and fellow engineers to design and implement robust software solutions that meet business requirements and enhance user experience.Key ResponsibilitiesDesign, develop, maintain, and upgrade Java-based microservices utilizing Spring Boot.Create scalable cloud-native applications that are efficient and maintainable.Develop responsive and interactive user interfaces using ReactJS or Angular.Produce clean, maintainable, and reusable code across back-end and front-end components.Utilize SQL (MSSQL) or NoSQL (MongoDB) databases to create efficient data structures and queries.Engage in team discussions to enhance architecture, performance, and code quality.Diagnose, debug, and resolve complex technical challenges.Participate in code reviews, sprint planning, estimations, and architectural discussions.

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lokal-app seeks a Software Development Engineer I with a focus on React Native to help build intuitive mobile applications in Bengaluru, Karnataka, India. This position centers on creating user-friendly features for a platform that continues to expand. What you will do Collaborate with designers and engineers to develop and improve mobile app features using React Native Help deliver high-quality, dependable applications Contribute to seamless user experiences across the platform Requirements Interest in mobile development and a willingness to learn Ability to work well with others and communicate clearly Drive to develop technical skills in a collaborative environment

Join the Innovative Team as a Backend Developer at Weekday's ClientKey ResponsibilitiesAs a Backend Developer, you will play a crucial role in designing and developing high-performance backend systems that cater to complex business needs. Your expertise will contribute to the enhancement of existing features and the implementation of new functionalities.Architectural Design: Develop and implement robust backend architectures that effectively address diverse business requirements and ensure scalability.Feature Implementation: Write clean, efficient code to integrate new features and improve current functionalities utilizing Java and related frameworks, including Spring Boot.Technical Documentation: Generate detailed technical documentation to facilitate maintainability and promote knowledge sharing across the team.Cloud Integration:Utilize AWS/GCP services (EC2, S3, Lambda, RDS, Cloud Functions, Kubernetes) to deploy cloud-native applications that are scalable and secure.Manage cloud infrastructure using Infrastructure as Code tools such as Terraform or CloudFormation.Microservices Architecture:Design resilient and maintainable microservices, adhering to best practices in microservices architecture.Ensure effective inter-service communication through protocols like REST, gRPC, and message queues.Database Management:Develop database schemas to support various features while ensuring data integrity and performance optimization.Enhance database performance by optimizing queries and indexing strategies.Oversee data migration strategies for smooth upgrades and transitions.API Development:Design and implement RESTful APIs with a focus on security, documentation, and ease of use for front-end applications and third-party integrations.Incorporate authentication and authorization mechanisms such as OAuth and JWT to secure API endpoints.Code Quality:Adhere to coding standards and best practices to maintain high code quality and consistency.Develop unit, integration, and end-to-end tests to validate code reliability and performance.Conduct thorough code reviews to ensure quality and facilitate knowledge exchange within the team.Performance Optimization:Employ profiling tools and monitoring systems to identify and rectify performance bottlenecks.Implement scaling strategies to maintain high availability and manage increased load effectively.

This position is for a client of Weekday.Role Overview: As a Senior Backend Developer, you will play a pivotal role in designing and developing scalable backend solutions that meet complex business needs. You will utilize your expertise in Java and cloud technologies to create high-quality software.Key Responsibilities:Architectural Design: Develop and implement sophisticated backend architectures to support intricate business requirements and ensure scalability.Feature Implementation: Write maintainable and efficient code to create new features and enhance existing ones using Java and frameworks like Spring Boot.Technical Documentation: Produce thorough technical documentation to facilitate knowledge sharing and maintainability across the team.Cloud Integration: Utilize AWS or GCP services (such as EC2, S3, Lambda) to manage and deploy secure, cloud-native applications.Infrastructure as Code: Employ tools like Terraform or CloudFormation for cloud infrastructure management and automation.Microservices Architecture: Design resilient microservices, ensuring effective inter-service communication through protocols such as REST or gRPC.Database Management: Design and optimize database schemas, ensuring data integrity and performance.API Development: Create secure, well-documented RESTful APIs that are easy to integrate with front-end applications and third-party systems.Code Quality: Adhere to coding standards, conduct code reviews, and write comprehensive tests to maintain high code quality.Performance Optimization: Utilize profiling and monitoring tools to identify performance bottlenecks and enhance application performance.

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Join Updraft: Transforming Financial ManagementAt Updraft, we are dedicated to revolutionizing how individuals manage their finances. As an award-winning fintech firm authorized by the UK FCA, we are based in London and are on a mission to automate everyday financial decisions, making the management of money and mainstream borrowing simpler and more efficient.Comprehensive financial insights across all your accounts through Open Banking.Receive a complimentary credit report with tailored advice to enhance your credit score.Utilize AI-driven personalized financial planning tools to manage finances, eliminate debts, and improve credit ratings.Explore intelligent lending solutions designed to lower borrowing costs.With over 800,000 users benefiting from our mobile app, we have facilitated the transition of £500 million in high-interest credit card debt to smarter credit options, setting numerous users on a path to improved financial health. Our products boast exceptional ratings, with a 4.8 on Trustpilot and similar ratings on both the Play Store and iOS Store.We are proud to be recognized in the UK fintech landscape, having been selected for the Technation Future Fifty 2025 program and featured in the Sifted 100 UK startups list for two consecutive years.We invite you to become part of our dynamic team as a Cross-Platform Mobile App Developer specializing in React Native. In this pivotal role, you will craft high-quality mobile applications that deliver exceptional user experiences on both iOS and Android platforms. Collaborating closely with designers, product managers, and fellow developers, you will bring innovative ideas to fruition.The ideal candidate will have extensive experience in React Native, a solid grasp of mobile architecture, and a dedication to creating polished, high-performance applications. You should be eager to contribute to strategic initiatives that drive our company's success.

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