Lumenalta

Company Name: Lumenalta
Job Title: Senior Backend Engineer (AWS)
Job Description: **Job Title:** Senior Backend Engineer (AWS) **Role Summary:** Lead design, development, and deployment of cloud‑native backend services using Python on AWS. Collaborate closely with DevOps, frontend, and product teams to deliver secure, scalable, and high‑performance applications. Own infrastructure provisioning, automation, and operational monitoring in a Kubernetes‑and‑AWS environment. **Expectations:** - Deliver production‑grade backend solutions that meet business and technical requirements. - Maintain high availability, low latency, and robust security across all services. - Communicate effectively with cross‑functional teams and mentor junior engineers. **Key Responsibilities:** - Build and optimize backend APIs and microservices in Python. - Design, provision, and manage AWS infrastructure (EC2, Lambda, RDS, S3, etc.) with infrastructure‑as‑code. - Operate containerized workloads on Kubernetes, ensuring proper scaling and load balancing. - Implement CI/CD pipelines for automated deployment and testing. - Automate infrastructure and application performance improvements. - Deploy monitoring and logging solutions with Grafana and Loki; respond to incidents and tune system health. - Collaborate with DevOps, frontend, and product stakeholders to align on architecture and delivery. **Required Skills:** - 5+ years of backend development experience, preferably in a cloud‑native context. - Proficiency in Python for building services and scripting. - Deep knowledge of AWS services (EC2, Lambda, RDS, S3, etc.) and security best practices. - Hands‑on experience with Kubernetes for container orchestration. - Expertise in infrastructure‑as‑code tools (Terraform or AWS CDK). - Familiarity with Grafana, Loki, and similar monitoring/logging stacks. - Strong problem‑solving, debugging, and code‑review skills. - Excellent written and verbal communication; ability to work in distributed teams. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent professional experience). - AWS certification (Solutions Architect, Developer, or SysOps) highly preferred. - Experience with CI/CD pipelines, security, and other cloud platforms (Azure, GCP) is a plus.

Victoria, Canada

Remote

Senior

17-11-2025

Company Name: Lumenalta
Job Title: Senior Backend Engineer - Python
Job Description: **Job title:** Senior Backend Engineer – Python **Role Summary:** Lead the design, development, and maintenance of scalable backend services using Python, GraphQL, and AWS. Build and operate microservices, serverless functions, and data pipelines that support mission‑critical features for a global user base. Collaborate with cross‑functional teams to deliver end‑to‑end solutions, while driving performance, reliability, and automation practices. **Expectations:** - Work independently in a remote, distributed team, maintaining clear communication across Pacific, Central, or Eastern U.S. time zones. - Participate in daily stand‑ups, code reviews, sprint planning, and technical design sessions. - Balance rapid feature delivery with long‑term scalability and technical quality. **Key Responsibilities:** 1. Design and implement robust, testable Python services, GraphQL APIs, and RESTful endpoints. 2. Develop microservices that interact with AWS Lambda, DynamoDB, ECS, S3, and other cloud resources. 3. Create and maintain data models, schema migrations, and distributed system patterns. 4. Write unit, integration, and performance tests; enforce CI/CD pipelines and automated deployments. 5. Monitor application metrics, troubleshoot production incidents, and drive reliability improvements. 6. Contribute to architecture reviews, cloud cost optimization, and security best practices. **Required Skills:** - 7+ years of backend development experience, predominantly in Python. - Proven expertise building GraphQL APIs or RESTful services. - Extensive experience with AWS serverless and container services (Lambda, DynamoDB, ECS, S3). - Strong knowledge of system design, data modeling, and distributed architectures. - Hands‑on experience with CI/CD, automated testing, and cloud‑native development workflows. - Excellent problem‑solving, communication, and autonomous collaboration skills. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent practical experience). - AWS certifications (e.g., AWS Certified Solutions Architect – Associate) are a plus but not mandatory.

Tulsa, United states

Remote

Senior

17-11-2025

Company Name: Lumenalta
Job Title: Senior Data Engineer (Remote)
Job Description: Job Title: Senior Data Engineer (Remote) Role Summary: Lead the design, development, and maintenance of end‑to‑end ETL pipelines that ingest, transform, and deliver large, complex datasets for enterprise‑wide digital products. Expectations: Minimum 7 years of data engineering experience; fully remote, collaborating across Pacific, Central, or Eastern U.S. time zones. Fluent in English, comfortable with agile, collaborative environments. Key Responsibilities: - Architect, build, and optimize robust batch and stream data pipelines using Python or Java and native SQL. - Manage end‑to‑end lifecycle of data ingestion from source to data warehouse, ensuring reliability and performance. - Develop scalable data transformations and modeling to support analytics and reporting. - Ensure data quality, consistency, and performance across systems through monitoring, testing, and tuning. - Collaborate with data analysts, product managers, and developers to deliver actionable data solutions. - Operate in cloud environments (AWS S3/EC2/Lambda, GCP Cloud Storage, etc.) to store, process, and serve data. - Maintain documentation and adhere to governance practices for data lineage and security. Required Skills: - 7+ years as a Data Engineer with proven pipeline delivery. - Strong proficiency in Python or Java for data processing. - Expert SQL skills for querying and optimizing large datasets. - Experience designing both batch and stream processing pipelines. - Hands‑on knowledge of cloud storage, compute, and orchestration services (AWS, GCP). - Solid grasp of data modeling, normalization, and performance tuning. - Familiarity with agile development practices and remote collaboration tools. - Excellent written and verbal English communication. Required Education & Certifications: Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience). No mandatory certifications specified.

United states

Remote

Senior

17-11-2025

Company Name: Lumenalta
Job Title: Java Developer Tech Lead
Job Description: **Job Title:** Java Developer Tech Lead **Role Summary:** Senior‑level Java developer responsible for designing, building, and leading enterprise‑grade microservices in a financial tech environment. Leverages Java 17, Spring Boot, Kafka, and AWS cloud services to deliver high‑availability, data‑intensive applications. Acts as a technical architect and mentor in a fully remote, cross‑functional team, ensuring code quality, architectural soundness, and timely delivery. **Expactations:** - Lead architectural decisions and system design for mission‑critical financial applications. - Maintain high coding standards and enforce best practices across the team. - Drive continuous integration, deployment, and operational monitoring. - Mentor and coach junior developers, fostering a culture of collaboration and accountability. **Key Responsibilities:** - Design and develop RESTful APIs, data access layers, and event‑driven services using Spring Boot, Spring Data, and Spring AOP. - Implement and manage Kafka messaging pipelines for real‑time data processing. - Deploy and manage workloads on AWS (ECS, EC2, Lambda, API Gateway, ELB, S3, EFS, SQS, SES, ElastiCache, RDS, DynamoDB, Redshift). - Collaborate with product and operations teams to define requirements and maintain product backlog. - Conduct code reviews, performance tuning, and security assessments. - Participate in sprint planning, daily stand‑ups, and retrospectives in a remote setting. **Required Skills:** - 10 + years of professional software development experience. - Advanced proficiency in Java 17, Spring Boot, Spring REST, Spring Data, Spring AOP, and Kafka. - Hands‑on experience with AWS cloud services (ECS, EC2, Lambda, S3, RDS, DynamoDB, Redshift, ELB, API Gateway, etc.). - Solid understanding of container orchestration (Kubernetes/ECS). - Strong English communication (verbal and written). - Demonstrated leadership, problem‑solving, proactive mindset, and team collaboration. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent professional experience). - AWS certifications (e.g., Solutions Architect, Developer) are a plus but not mandatory.

Tulsa, United states

Remote

Senior

17-11-2025

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