Senior Back End Engineer
$100k - $135kOddball
Role Description
We're looking for a Senior Backend Engineer to join our CMS team, building and maintaining the APIs and backend services that power Healthcare.gov tools used by millions of Americans enrolling in and exploring health coverage — including third party enrollment platforms.
- Develop, enhance, and maintain backend services and APIs in Go supporting healthcare marketplace features
- Build and maintain ETL pipelines using Python to clean, transform, and move data across the healthcare data ecosystem
- Design and build REST APIs backed by PostgreSQL with a focus on reliability and backward compatibility
- Work with AWS services including S3, Lambda, Step Functions, and Glue to support data processing and pipeline workflows
- Write clean, well-tested code with a focus on performance, maintainability, and security
- Support ongoing operations and maintenance of existing digital products alongside new feature development
- Contribute to code reviews and help uphold engineering standards across the team
Qualifications
- Hands-on experience writing backend services in Go (Golang)
- Experience with Python for data cleaning, manipulation, and ETL workflows
- Familiarity with Pandas and/or PySpark is a strong plus
- Familiarity with FHIR or healthcare interoperability standards is a plus
- Proficiency with PostgreSQL or similar relational databases and SQL
- Experience with AWS services including S3, Lambda, Step Functions, or Glue
- Experience designing and building REST APIs in production environments
- Familiarity with federal security and compliance requirements is a plus
- Thrives in a remote, collaborative Agile environment and genuinely enjoys working closely with a cross-functional team
- Communicates clearly and openly, whether in a code review or a cross-team planning session
- Performs other related duties as assigned
Requirements
- Applicants must be authorized to work in the United States.
- In alignment with federal contract requirements, certain roles may also require U.S. citizenship and the ability to obtain and maintain a federal background investigation and/or a security clearance.
Education
- Bachelor’s Degree
Benefits
- Fully remote
- Tech & Education Stipend
- Comprehensive Benefits Package
- Company Match 401(k) plan
- Flexible PTO, Paid Holidays
Compensation
At Oddball, it’s important each employee is compensated competitively and fairly. A range for the included position is listed below. Be advised, actual offer details are determined by job category, job location, and candidate skill level.
United States Wage Range: $100,000 – $135,000
- CyNation Ltd, a cyber security and risk management start-up, seeks a Senior Full-stack / Back-End Software Engineer to join a small, international agile team. You will shape the flagship Digital Risks Management platform, advance its development strategy, and deliver new...SeniorRemote job
$229.25k - $253k
Job Description Senior Vice President, Back‑End Engineer in New York, NY. Consult with internal business groups to provide high‑level application software development services or technical support for backend features and components. Scale the backend architecture and...SeniorTemporary workRemote workFlexible hours- ...Backend Engineer Opportunity Arbor helps renters, homeowners, and small businesses pay less for electricity. Behind the scenes, Arbor is building an intelligent electricity marketplace to power an abundant electric future. As AI data centers drive a surge in electricity...SeniorRemote work
- Back End / Full Stack Software Engineer (Senior) Worth AI, a leader in the computer software industry, is looking for a talented and experienced Senior Full Stack Back End Engineer to join their innovative team. At Worth AI, we are on a mission to revolutionize decision...SeniorFull timeWork at officeWork from home
- ...capital to the most attractive risk adjusted yield across chains. The company is growing its valued engineering team and we are looking for a skilled Senior Web3 Back End Engineer (fully remote role). Tasks We are seeking for a seasoned backend engineer with...SeniorContract workRemote workShift work
- ...Senior Backend Software Engineer Location: 100% Remote You’ll enjoy the flexibility to telecommute from anywhere within the U.S. as you take on some tough challenges. Combine two of the fastest-growing fields on the planet with a culture of performance, collaboration...SeniorRemote work
- ...architecture with privacy-first and on-premises deployment ~ High engineering bar and real ownership: the team cares about what actually... ...impact of your work directly ~ Fast career progression: a senior-heavy team and a high volume of real problems means you grow faster...SeniorRemote work
- ...Senior Backend Developer Hello everyone!!! Hope you are doing well. This is Akash from Software Technology INC. Please review below... ...access techniques ~ Good understanding of Cloud (Azure) engineering concepts ~5-8 years of development experience. ~ Excellent...SeniorContract workRemote work
$175k - $210k
...on greenfield projects with wide scope and autonomy Ship products used directly by enterprise customers Join a senior, collaborative engineering team focused on pragmatic execution Chance to work in a Series A funded startup on the ground level with high level...SeniorRemote work- ...Senior Backend Engineer New Skills Automation CI/CD Cloud Infrastructure Go Helm Kubernetes Observability PostgreSQL Ruby Terraform As a Senior Backend Engineer on the GitLab Upgrades team, you will play a crucial role in helping self-managed customers run...SeniorRemote work
- ...Senior Backend (Java) Developer Apex Systems is looking for an experienced Senior Java Developer for one of our largest retail clients... ...Qualifications: ~ Bachelor's degree in Computer Science/Engineer or 6+ years of experience in lieu of a degree ~5+ years’...SeniorLong term contractRemote work
- ...etc. is highly desirable, but not required. Deep payments experience is mandatory. About the Role We are seeking a senior backend engineer to support a payment modernization initiative. You will work directly under the CTO to build and integrate payment orchestration...SeniorFull timeContract workRemote workFlexible hours
- ...with real say over the architecture. You will be one of our first engineers, shaping the architecture of a new category, with the ownership... ...are hyper-focused on speed of execution and on owning our work end to end. This is a full-time hybrid role: three days a week in our...SeniorFull timeWork at officeRemote work3 days per week
- Unity is seeking a Senior Backend Engineer to design and operate the infrastructure powering large‑scale model inference. You will build distributed systems, optimize low‑latency serving, and ensure reliability with comprehensive observability. Collaborate with ML teams...Senior
$130k - $200k
Dormont Manufacturing Co is looking for a Senior Product Engineer based in New York, NY, to develop financial tools for fast-scaling companies. In this role, you will create exceptional product experiences, guide product direction collaboratively, and shape our backend...SeniorRemote job- Sphere is looking for a backend developer to join their team remotely. The ideal candidate will have 5+ years of experience in Java backend development, specializing in event-driven systems and API development. Responsibilities include webhook ingestion, API integration...SeniorRemote job
- ...Senior Backend Developer Zact is a Fintech innovator dedicated to a singular idea: Organizations need simpler expense and payment... ...seeking an experienced Senior Backend Developer to join our engineering team. The ideal candidate will bring deep expertise in Java development...SeniorRemote work
- Jobot is hiring a Senior Backend Engineer to build and expand integrations across our ecosystem. The role focuses on Learning Tools Interoperability (LTI) standards and integration development for education platforms. You will design backend services, implement LTI 1.1/...SeniorRemote job
- ...Senior Backend Solana Rust Engineer Remote Full-time Backend / Systems Engineering Blockchain Infrastructure / Web3 About the Opportunity Inner Circle Agency is partnering with well-known, established teams in the Solana ecosystem to hire Senior Backend...SeniorFull timeRemote work
$160k - $216k
...losing the money they need for daily expenses. We are venture-backed by Y Combinator, Valor Equity Partners, Softbank, and heavy hitters... ...President of Impossible Foods. We are looking for a backend engineer that is comfortable taking a high degree of ownership for their...SeniorWork at officeRemote workWork from home- ...identity, before CRQC exists. The role We're looking for a Senior Backend Engineer to join our growing Product Engineering team. You'll play a... ...operating institutional infrastructure: custody platforms, HSM-backed systems, KMS, or similar high-assurance systems Familiarity...SeniorFull timeRemote work
- ...transactions. We are a Series A-stage company backed by Sequoia, Circle, and other notable... ...the role We are looking for a Senior Backend Engineer to own the core systems that make this... ...account experiences. Own key systems end to end, from data models and APIs to...SeniorRemote workWorldwide
- ITTConnect is seeking a Senior Backend Engineer (Scala / Play / Akka) to join our team in Miami. This new position is for a client who is a global leader in consulting, technology, and engineering services, primarily in the Cruise / Travel industry. The ideal candidate...SeniorRemote jobLocal area
$100 per hour
...Job Description Title : Senior Backend Engineer (Kotlin, Kafka) Location : Remote (U.S.-Based) Job Type : W2 Contract (6 Months) Compensation : $67.66 - $90.22/hr W2 (not open for C2C) Industry: Retail Key Skills: Kotlin, Kafka, RESTful...SeniorContract workLocal areaRemote work- ...About Astra Astra is a high-impact engineering team building mission-critical financial infrastructure. Our fintech platform powers payment... ...requirements. The Role We're looking for a Senior Backend Engineer to architect and build complex financial systems...SeniorRemote workFlexible hours
- A growing AI startup is looking for a backend engineer for a fully remote role. You will work on innovative greenfield projects and join a collaborative, senior engineering team. The ideal candidate has 4-8 years of experience, preferably with strong Golang skills, and...SeniorRemote job
$160k - $210k
Ellipsis Health is seeking a Senior Backend Engineer to design, build, and scale core systems for their conversational AI platform. Located in... ...within the US. The ideal candidate should have over 5 years of back-end development experience, particularly with TypeScript and...SeniorRemote job- An IT solutions provider in Middletown, PA, is seeking an experienced SAP BRIM - Back-End Developer for a full-time position. This role involves designing and maintaining server-side components for SAP Billing and Revenue Innovation Management, ensuring high-volume billing...SeniorFull timeRemote workFlexible hours
- Jobot is seeking a Senior Backend Engineer to build and expand integrations across our ecosystem, with a strong emphasis on Learning Tools Interoperability (LTI) standards and integration development for education platforms. This fully remote position offers the chance...SeniorRemote job
- Grafana Labs is seeking a Senior Backend Engineer to join the Alerting squad, working remotely. In this role, you will help manage user alerts and build distributed systems for alert ingestion. The ideal candidate will possess programming skills, particularly in Go, and...SeniorRemote job
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Back End Engineer. Be the first to apply!

