Backend Software Engineer
$85k - $170kSteampunk.com
Backend Software Engineer
As a Backend Software Engineer, you will work on modernizing legacy enterprise systems by decomposing monolithic Java and.NET services into cloud-native Python microservices. This role is centered on Python development. You will design and deploy lightweight REST APIs and batch processing jobs across serverless and containerized environments. We are looking for candidates with 5+ years of experience writing production Python software using Agile and DevSecOps methods such as build/release management, CI/CD practices, and test automation.
Responsibilities include:
- Decompose legacy Java and.NET monolithic services into modular Python microservices
- Design, develop, and deploy concise Python REST APIs and batch service jobs
- Deploy and operate services in AWS Lambda and Kubernetes environments
- Apply DevSecOps concepts and CI/CD pipeline practices to accelerate secure delivery
- Understand the needs of stakeholders and convey this to other developers
- Write and debug code for innovative software solutions
- Troubleshoot software quality, security, and reliability issues
- Participate in code reviews and quality assurance activities
- Automate unit and functional tests
- Test and examine code written by others and analyze results
- Ensure that software is secure against cyber threats
- Identify technical problems, perform root cause analysis, and develop software updates and 'fixes'
- Support production releases (including deployment, troubleshooting, and testing)
- Document software code, features, and training guides
- Document as-is state of legacy systems, perform gap analysis, and produce artifacts that articulate decomposition options and recommendations
- Leverage containerization and serverless platforms to modernize software systems
Qualifications Required:
- Excellent written and verbal communication skills
- Strong interpersonal and collaborative skills
- Ability to obtain a U.S. government Security Clearance
- Bachelor's degree and 5+ years total experience
- 3+ years of experience writing production Python code
- Experience decomposing or refactoring legacy Java and/or.NET services into Python microservices
- Experience writing and deploying REST APIs and batch jobs in Python
- Experience deploying Python applications to AWS Lambda and Kubernetes
- Familiarity with DevSecOps concepts and CI/CD pipeline tools such as Harness and GitLab CI/CD
- Experience with Git SCM providers such as Gitlab
- Experience developing and deploying containerized applications using Docker
- Experience implementing automated testing frameworks, including unit testing in Python (e.g., pytest, unittest)
Preferred:
- Experience with Databricks for data engineering, ETL, or analytics workloads
- Experience integrating with Salesforce APIs or developing on the Salesforce platform
- Certifications: AWS Certified Cloud Practitioner, AWS Certified Developer Associate, AWS Certified Solutions Architect Associate
- 5+ years of application development experience in an Agile environment
- Experience with infrastructure-as-code tools such as Terraform or AWS CDK
About Steampunk: Steampunk relies on several factors to determine salary, including but not limited to geographic location, contractual requirements, education, knowledge, skills, competencies, and experience. The projected compensation range for this position is $85,000 to $170,000. The estimate displayed represents a typical annual salary range for this position. Annual salary is just one aspect of Steampunk's total compensation package for employees. Learn more about additional Steampunk benefits here. Identity Statement: As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Steampunk is a Change Agent in the Federal contracting industry, bringing new thinking to clients in the Homeland, Federal Civilian, Health and DoD sectors. Through our Human-Centered delivery methodology, we are fundamentally changing the expectations our Federal clients have for true shared accountability in solving their toughest mission challenges. As an employee owned company, we focus on investing in our employees to enable them to do the greatest work of their careers - and rewarding them for outstanding contributions to our growth. If you want to learn more about our story, visit We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law. Steampunk participates in the E-Verify program.
- ...Black Cape Title: Brilliant BackEnd Software Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston, VA and areas throughout the DMV area Onsite Expectations: MUST be willing to go onsite 2 - 3 days per week; could be up to 5 days per week -...SuggestedFull timeFor subcontractor2 days per week3 days per week
- ...-Tel. Role Summary You'll build the backend systems that power Twenty's cyber and electromagnetic capabilities-software that ingests real-time operational signals,... ...product features. Collaborate with frontend engineers on API contracts and data structures that...SuggestedFull timeContract workFlexible hours
- ...Backend Developer (Golang / AWS) We are building a new backend engineering team to support large-scale, cloud-native platforms. This role focuses on designing and delivering highly available backend services using Golang and AWS in a modern Agile environment. Strong...Suggested
$86.8k - $198k
Back End DeveloperThe Opportunity: As a software engineer, you know that good software is more than just a nice-looking interface and data. You need the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We’re looking...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work- ...Workplaces awardee and Washington Top Workplaces honoree, is seeking a Backend Developer to join our team. The ideal candidate will design... ...Collaborate with frontend developers, architects, and DevOps engineers to deliver end-to-end solutions. Conduct unit testing,...SuggestedFull timeContract work
$135k - $200k
...World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the... ...and battlefronts of militaries across the world. Backend Software Engineers at Palantir build software at scale to transform how organizations...Full timeWork experience placementWork at officeRemote workWork from homeRelocation package- Account Payable Automation Tech Stack: python, AWS, lambdas, building APIs and integrating them Nice to Have: aurora postgress, dynamo DB, microservices Years of Exp: 5+ - Project: in the B to B space most vendors are paid through check and want to move spend to credit...Hourly pay
$86.8k - $198k
...Back End Developer The Opportunity: As a software engineer, you know that good software is more than just a nice-looking interface and data. You need the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're...Full timeContract workPart timeWork at officeLocal areaRemote work$86.8k - $198k
...analytics, and infrastructure to develop a user-focused solution. We're looking for an experienced back-end developer with the software engineering skills it takes to identify potential risks, contribute to solution development, and create efficient and effective systems...Full timeContract workPart timeWork at officeLocal areaRemote work- ...away from the Federal Bureau of Investigation's Criminal Justice Information Services Division's Headquarters. Founded in 2007 by an Engineer-by-trade, Fusion Technology dedicates our valuable resources to providing comprehensive IT services and solutions to mission-...Temporary workWork at office
$112.13k - $186.88k
...team, the purpose of this role is to build and maintain services related to grading and feedback functionality. The Senior Software Engineer - Backend Services will be responsible for designing, implementing, and maintaining scalable, high-performance backend systems...Remote workHome office$119.7k - $199.3k
...departments, including Brand & Events, Communications, Customer Care, Engineering & Product, Finance, Human Resources, Legal, Marketing &... ....Why This Role MattersThe Washington Post is seeking a Senior Software Engineer with expertise in personalization, and scalable full-...Full timePart timeFlexible hours- ...Senior Backend Software Engineer The Senior Backend Software Engineer will be responsible for the analysis, design, and development of mission-critical, cloud-native enterprise services for a leading passenger rail transportation client. This role involves designing...
$185k - $215k
...work makes an impact, come join us! Working at SITE Technologies: SITE Technologies is seeking a hands-on Lead Backend Software Engineer to lead and grow a small backend team while personally building and evolving SITE's platform and related customer systems...Remote jobFull timeTemporary work- ...Senior Backend Software Engineer We are seeking a senior software engineer to play a pivotal role in transforming a core financial product. Key Responsibilities: Lead the development, testing, and delivery of reliable backend services Help define and evolve...Local area
- ...Backend Software Engineer About Game Plan Tech LLC Game Plan Tech is a mission-driven consulting and services firmwith expertise helping government teams access the technologiesthat drive innovation while increasing efficiency, performance, and security....For contractorsLocal areaRemote work
- ...Backend Software Engineer ~ Washington, DC Job Title: Backend Software Engineer Location: Washington, D.C. Clearance Required: Active TS/SCI Position Overview IT Veterans is seeking a highly skilled Backend Software Engineer to support the design,...
- ...Job Description Job Description The Senior Backend Engineer designs, builds, and maintains scalable backend systems and services that... ...development practices. This role reports directly to the Software Development Manager and works closely with Software Engineers...Work at officeLocal area
$100k - $150k
...About the Role We're a small, cross-functional engineering team building cloud services that power a fleet of enterprise-deployed Android devices. As a Backend Software Engineer , you'll own core infrastructure — from scaling and reliability to over-the-air (OTA) update...Full timeRelocation- ...understand workflows, identify operational gaps, and build scalable technical solutionsDevelop reusable frontend components and scalable backend architectures following best practicesWork with relational and NoSQL databases including PostgreSQL, MySQL, MongoDB, and...Full timeMonday to Friday
- ...The ideal candidate is a well-rounded engineer with experience across both front-end and... ...such as React or Angular Develop backend services, APIs, and business logic using... ...web services Solid understanding of software development lifecycle (SDLC) and Agile methodologies...Full time
$150k - $200k
...Community. Job Description: Join our engineering team as a Full Stack Developer building... ...across the stack with focus on Python backend and modern frontend technologies in a fast... ...Bachelor's degree in Computer Science, Software Engineering, or related field ~5-10+...Full time$145k
...Overview Senior Backend Developer Vienna, VA Are you ready to enhance your skills... ...Developer on our team, you will build software leveraging Esri's products and APIs to... ...Bachelor's degree in computer science, engineering, GIS, or related technical field (or equivalent...Work at officeWork from homeHome office- ...Responsibilities End-to-end software development including analysis, planning, architecture, design, development, automated testing, deployment, and maintenance using industry best practices and security standards. Performance optimization - analyze system...
- Exiger is seeking a Senior Software Engineer to design and develop software projects in McLean, VA. This role involves creating and maintaining APIs, collaborating with cross-functional teams, and automating processes. Candidates should have 6+ years of programming experience...Flexible hours
- Job Title: Full Stack Developer \ \ Location: Mclean, VA \ \ \\ \ Overview: \\ Looking for a Full Stack Developer with strong experience in building dynamic, scalable applications across modern front -end and back -end technologies. The candidate should be...Contract work
- ...minded professional who loves solving complex problems, understands how great software is built, and isn't afraid to dive into source code when needed. This isn't a traditional software engineering role; it's an opportunity to influence the technical direction of our...
$115k - $141k
...and joining our team?About the Role Koalafi is looking for Software Engineers to help build and scale the products and platforms that power... ...contribute to customer-facing applications, internal tools, and backend services that support critical business functions across the...Work at officeRemote workFlexible hours- ...Python Backend Developer Location: Hybrid onsite (3 days onsite in Mclean, VA) Duration: 9-12+ months Contract Job Description: Experience with AWS Cloud - EC2/S3/Lambda etc.. Experience with Data Lake Experience with DBs- Oracle/DB2/Mongo/SQL Server...Contract work
$140k - $190k
...domains. This role requires strong hands-on engineering capabilities, deep familiarity with... ...Developer, you’ll be working with a team of software engineers, test automation engineers,... ...contribute to the full stack - the front-end, backend and anything in-between (middleware or...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Backend Software Engineer. Be the first to apply!
- back-end developer McLean, VA
- backend software engineer McLean, VA
- backend intern McLean, VA
- bank software McLean, VA
- software asset management analyst McLean, VA
- ultimate software McLean, VA
- embedded software McLean, VA
- software McLean, VA
- software engineer - cloud services McLean, VA
- internship software McLean, VA



