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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Back End Engineer (Java/Python/AWS) - **Company:** Software Guidance & Assistance Inc - **Location:** Derwood, MD, United States - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Airflow, Algorithm Design, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Audit Trail, Automation of Tests, Unit Testing, Big Data, Cloud Computing, Software Quality, Collaborative Software, Information Systems, Continuous Integration, Extract Transform Load (ETL), Data Structures, Data Visualization, Data Warehousing, Relational Databases, DevOps, Programming Tools, Amazon DynamoDB, Identity and Access Management, Python (Programming Language), PostgreSQL, MongoDB, MySQL, Node.Js, NoSQL, Object-Oriented Software Development, Performance Tuning, Big O, Simple Data Format, Software Engineering, Workflow Management Systems, Parquet, Data Storage Technologies, ReactJS, Apache Spark, Software Security, State Machines, Amazon Virtual Private Cloud (VPC), Cloudformation, Amazon Relational Database Service, Data Lakes, AngularJS, Gitlab-ci, Information Technology, Cassandra, Avro, AWS Glue, Presto, Front End Software Development, Functional Programming, Cloudwatch, Api Gateway, Restful APIs, Terraform, Data Pipelines, Sql Tuning, Microservices - **Published:** September 25, 2026 - **Apply:** https://www.disabledperson.com/jobs/75488934-back-end-engineer-java-python-aws ## About the Role * Bachelor's degree in Computer Science, Information Systems, or a related discipline with at least seven (7) years of related experience, or the equivalent combination of education and work experience. * Requires system design experience; strong experience in object-oriented development, cloud technologies, and data storage technologies (both relational and NoSQL); and experience in performance tuning and optimization, DevOps and CI/CD, test automation and unit testing, and software security. * Strong proficiency in Java, Python, and/or Node.js, with strong object-oriented development and RESTful API design and microservices architecture. * Big Data processing frameworks: Apache Spark, EMR (Presto, Trino), and Athena. * Design and development of ETL/ELT pipelines for large-scale data ingestion, transformation, and loading, including batch and streaming processing. * Data lake and data warehouse patterns - partitioning, schema management, and file formats (Parquet, ORC, Avro) - with SQL performance tuning for analytical workloads. * Workflow orchestration and scheduling (AWS Glue, Step Functions, Airflow) and data quality, validation, and pipeline monitoring. * Relational databases (PostgreSQL, MySQL, Aurora) and NoSQL databases (DynamoDB, MongoDB, Cassandra). * Core AWS services (EC2, S3, Lambda, RDS, ECS, API Gateway), CloudWatch/CloudTrail, IAM, VPC networking, and Infrastructure as Code (Terraform/CloudFormation). * CI/CD pipelines, test automation and unit testing, and software security best practices. Preferred Skills : * QuickSight for dashboards and data visualization. * Frontend applications (React, Angular). * GitLab CI/CD exposure. * AI development tools (e.g., Amazon Q or similar code assistants), with the ability to validate generated code for correctness, quality, and security, and good judgment about when human review is required. ## Description Develop software products and drive improvements to overall product quality across the software development life cycle, providing technical leadership within the team. Incumbents work on broad problems of scope that require decision-making and creativity - designing and maintaining applications that ingest multiple data sources and surface insights through correlation and analysis - while operating independently under general guidance to impact team-level goals., * Designs, develops, and maintains applications that ingest multiple data sources and surface insights through correlation and analysis, ensuring code quality, performance optimization, and adherence to best practices. * Provides technical leadership and mentorship to junior engineers, and guides the team on effective, responsible use of AI-assisted development tools. * Participates in architecture discussions, contributes to technical strategy, and defines technical solutions or operational processes that improve efficiency with meaningful, measurable impact. * Preemptively identifies and resolves technical risks and cross-team dependencies early to ensure successful project execution, delivering many of the team's goals on time and to a high standard of quality. * Supports production systems and troubleshoots complex technical issues, simplifying code and infrastructure to lower maintenance and migration costs. * Applies computer science fundamentals - algorithm design, problem solving, complexity analysis, and data structures - and strong experience with Big Data technologies to solve complex business problems. * Uses AI-assisted development tools to work more effectively, applying good judgment to review generated output for correctness, security, and quality. * Builds productive relationships with senior internal/external partners to remove barriers and align on priorities; avoids blame, disagrees and commits when needed, and demonstrates the firm's values through in-person and virtual collaboration in furtherance of the firm's mission of investor protection and market integrity. ## Related Videos - [30 powerful AWS hacks in just 30 minutes: Boost your developer productivity](https://www.wearedevelopers.com/videos/1624-30-powerful-aws-hacks-in-just-30-minutes-boost-your-developer-productivity) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [From event streaming to event sourcing 101](https://www.wearedevelopers.com/videos/91-from-event-streaming-to-event-sourcing-101) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)