Source Job

$90,000–$130,000/yr
US

  • Develop, maintain, and automate web applications and data-processing workflows using Python, SQL, and modern web technologies.
  • Contribute across the full SDLC, from requirements analysis and design through testing, deployment, and maintenance.
  • Collaborate with technical and non-technical stakeholders to deliver high-quality, maintainable software solutions.

Python SQL Vue.js JavaScript RESTful APIs

20 jobs similar to Senior Application Developer

Jobs ranked by similarity.

$70,000–$85,000/yr
US

  • Develop and maintain application components like intake forms and dashboards, plus relational data structures for workflow routing.
  • Build data pipelines, write SQL, and support REST API integrations for data exchange.
  • Create reporting views and dashboards for client stakeholders, and support Agile delivery.

Trilogy Federal drives innovative solutions for complex business challenges across financial management, healthcare, and government industries. Our collaborative, client-first service approach has earned us a reputation for delivering transformative results.

US

  • Lead architecture and development of full-stack solutions using React, Node.js/Python, and advanced SQL.
  • Design cloud data integrations, ETL/ELT pipelines, and Databricks analytics services.
  • Establish secure DevSecOps practices including CI/CD, automated security testing, and containerization.

Edgewater Federal Solutions is a privately held government contracting firm based in Frederick, MD, founded in 2002. They are ISO 9001, 20000-1, 270001 certified, CMMI Level 3, and recognized as a Top Workplace in the Greater Washington Area since 2018.

US

  • Design, develop, and maintain Appian applications including SAIL interfaces, process models, and integrations.
  • Translate functional requirements into scalable, efficient solutions supporting contract writing and business processes.
  • Collaborate with cross-functional teams in an Agile environment to deliver high-quality federal systems.

Our partner company focuses on building and enhancing mission-critical applications supporting federal contracting and acquisition operations. The company size and culture are not detailed, but the role emphasizes collaboration in a structured Agile and DevSecOps environment.

$70,000–$104,000/yr
US

  • Write, test, and maintain clean, efficient, and scalable Python code for health-related software projects.
  • Collaborate with developers, data scientists, and healthcare professionals to develop systems for Medicare policy and payment data.
  • Optimize database interactions and ensure data integrity for healthcare applications.

LMI is a digital solutions provider accelerating government impact with innovation and speed, bringing commercial-grade platforms and mission-ready AI to federal agencies. Headquartered in Tysons, Virginia, LMI serves defense, space, healthcare, and energy sectors with a focus on agility and collaboration.

Global

  • Develop large features and fix on-call bugs alongside an experienced team.
  • Design new APIs, optimize existing ones, and write comprehensive tests.
  • Contribute to front-end development in NextJS and jQuery when needed.

We help candidates nail the toughest tech interviews at top companies like Google, Facebook, and Netflix through courses taught by current and former hiring managers. With over 600 instructors, we are a fully remote, high-caliber team with a flexible work culture and rapid career progression.

UK Unlimited PTO

  • Own and deliver quarterly goals for your team, leading engineers through ambiguity and ensuring support throughout delivery.
  • Collaborate with product management, design, and analytics to articulate technical constraints and partner on decisions with risk and trade-offs.
  • Foster a culture of quality by setting code review and design standards, and develop talent through feedback and guidance.

Affirm provides a clear, predictable way to pay over time, with no hidden fees or surprises. We are a remote-first company serving over 20 million people, with a culturally rooted Silicon Valley team spread across Europe.

$73,588–$81,765/yr
US

  • Design, develop, and test software features and fixes.
  • Build and maintain APIs, services, and database interactions.
  • Participate in code reviews, sprint planning, and Agile ceremonies.

Kreative Technologies designs, builds, and maintains software for clients' systems. They work as an Agile team, valuing clean code and continuous learning in a collaborative remote environment.

Latin America

  • Architect, test, and ship end-to-end full-stack software solutions for financial reporting and data visualization.
  • Refactor existing software using Agile methodologies to improve maintainability and speed.
  • Collaborate with product managers and data engineering teams to serve private asset analytics.

Bluelight is a software consultancy designing technology to enhance users' lives. It is a rapidly growing company with a collaborative and diverse culture.

  • Design and develop production-grade full-stack web applications and REST APIs using Python and JavaScript.
  • Own end-to-end development from database schema and backend services to responsive frontend UI.
  • Troubleshoot complex technical issues, mentor junior developers, and contribute to engineering best practices.

Nagarro is a Digital Product Engineering company that builds products, services, and experiences across all devices and digital mediums. With over 18,700 experts across 39 countries, they have a dynamic and non-hierarchical work culture.

$104,000–$166,000/yr
US

  • Design and develop a cloud-ready relational database with PostgreSQL/PostGIS to support the USGS Volcano Hazards Program's monitoring and evaluation workflows.
  • Build RESTful APIs in Python (FastAPI or Flask) and create a web-based interface with React and JavaScript/TypeScript for data entry and visualization.
  • Implement GIS-enabled tools for geospatial visualization using ESRI JavaScript API, Leaflet, or Mapbox, ensuring Section 508 accessibility and federal IT security compliance.

Peraton is a next-generation national security company that drives missions of consequence globally. As the world's leading mission capability integrator and transformative enterprise IT provider, it serves essential government agencies and supports every branch of the U.S. armed forces.

US

  • Design, develop, and configure software components for federal digital services, working across the full development lifecycle.
  • Build Java/Scala-based RESTful APIs and partner with Business Analysts to improve system functionality.
  • Troubleshoot defects across multi-environment systems and produce effort estimates for new features.

Sparksoft is a technology company that delivers IT solutions and innovative services to government clients, driving transformative change across the nation. The company fosters a collaborative and innovative culture, recognized as a Great Place to Work, with a focus on employee support and professional growth.

$112,000–$168,000/yr
Australia 6w PTO

  • Architect and implement production-grade integrations and distributed data systems for enterprise customers using Python, SQL, and modern API development.
  • Transform legacy ETL/ELT workflows into modern, autonomous data pipelines across AWS, Azure, or GCP and Kubernetes.
  • Integrate AI APIs like OpenAI and Anthropic, and deliver solutions from kickoff to production within an 8-12 week Accelerator window.

Matillion is the company behind Maia, an AI Data Automation platform used by Cisco, DocuSign, and Slack. They started in Manchester and now have global teams across the UK, US, and India, with a driven, curious, and energetic culture.

$160,000–$170,000/yr
US

  • Design and write code in a multi-tenant SaaS environment using Python, Django, Ember, and PostgreSQL.
  • Collaborate with teammates across a geographically distributed remote environment and lead technical design initiatives.
  • Troubleshoot software defects, utilize PRs for teaching and learning, and share ownership of team dynamics and processes.

Xplor offers smart software, payments, and commerce-enabling solutions for businesses with daily recurring activities across five verticals. The company operates globally with a culture guided by core values and a focus on supporting employee growth.

Canada

  • Build and ship product features end-to-end, from design to deployment.
  • Mentor fellow engineers and lead application architecture decisions.
  • Implement back-end APIs in Python and Node.JS, and work on front-ends with React, Vue, and Ember.

Optro helps enterprises transform risk into opportunity through its AI-powered GRC Intelligence Platform, trusted by over 50% of the Fortune 500. We are one of the 500 fastest-growing tech companies in North America, ranked by Deloitte for the seventh straight year, and foster a culture of innovation, collaboration, and continuous learning.

$160,000–$195,000/yr
US Unlimited PTO 14w maternity 14w paternity

  • Lead entity resolution engineering for a production system.
  • Build and refine matching pipelines, including blocking and scoring.
  • Ensure provenance and explainability of all matching decisions.

DEFCON AI is an insights company that uses AI, optimization, and analytics for resilient complex systems. They are a small, mission-driven team supporting U.S. government needs with a flexible, remote-first culture.

$101,000–$115,000/yr
US Unlimited PTO

  • Build and maintain data pipelines using SQL, Python, and other technologies.
  • Triage and resolve complex bugs, incidents, and data issues.
  • Mentor junior data engineers and participate in sprint planning and refinement.

Personify Health created the first and only personalized health platform, bringing together health plan administration, holistic wellbeing solutions, and comprehensive care navigation. They serve employers, health plans, and health systems with data-driven solutions, and their mission-driven culture empowers diverse perspectives to impact people's health.

$86,800–$165,200/yr
US

  • Collaborate with Military Engine Programs to support software systems for creating and publishing technical documents.
  • Design, build, and test scalable software with clean code for front- and back-end applications.
  • Troubleshoot software issues and maintain internal platforms for automated technical data publications.

RTX is the world's largest aerospace and defense company, solving complex problems through advanced systems and services. With 185,000 employees across three market-leading businesses, they push the boundaries of known science in areas like quantum physics and hypersonics.

US

  • Design, build, and maintain containerized microservices and backend web applications using Python and Django REST Framework.
  • Develop dynamic workflow engines and state machines to manage complex approval processes, billing calculations, and financial validation logic.
  • Implement role-based access control (RBAC) and integrate secure authentication and authorization mechanisms.

Valiant Solutions is a security-focused IT solutions provider serving public clients nationwide. Named one of the fastest growing privately held companies, it prides itself on an employee-centric culture and work-life balance.

$130,000–$145,000/yr
US Unlimited PTO

  • Lead implementations of Accela's ePermitHub Digital Plan Room for government agencies.
  • Own end-to-end delivery from discovery to go-live, including configuration, scripting, testing, and training.
  • Mentor junior consultants and champion best practices and reusable tools.

Accela provides a cloud-based platform of government software solutions for planning, building, and service request management. With nearly 20 years in the industry, they help agencies of all sizes improve efficiency and transparency, fostering a diverse and inclusive workplace.

$75,000–$100,000/yr
US

  • Develop and maintain secure web applications across frontend and backend using React, Java, Spring Boot, Node.js, and SQL.
  • Collaborate with developers, Quality Engineers, and analysts to modernize workflows and troubleshoot issues.
  • Participate in Agile teams, peer reviews, and CI/CD processes to deliver reliable solutions.

Via Logic is an information technology partner supporting mission-driven work across DevSecOps, cloud engineering, cybersecurity, data science, and national security analytics for federal and commercial clients. The company fosters a collaborative culture where Explorers are encouraged to grow, contribute, and continuously evolve.