Developer developer Jobs in US

[Industry: Staffing and Recruiting | Type: Full-time | Level: Mid-Senior level] Job DescriptionA growing company operating in the EV space is looking for a Senior Backend Engineer to design, build, and scale high-performance backend systems.This role focuses on developing clean, secure, and maintainable services that power complex, distributed applications. You’ll contribute hands-on code while playing a key role in architectural decisions, collaborating closely with product, UX, infrastructure, and QA teams.Required Skills & Experience5+ years of professional software engineering experienceStrong hands-on experience with Elixir, Phoenix, and Ecto in production environmentsExperience designing and maintaining GraphQL (and/or gRPC) APIs with clear documentationExperience with PostgreSQL, message queues (e.g., RabbitMQ), and event-driven architecturesFamiliarity with AWS, Docker, Kubernetes, and modern CI/CD pipelinesSolid understanding of functional programming concepts and OTP patternsTechnical & Collaboration Breakdown40% Hands-On Backend Engineering & Feature Development30% System Design, Architecture & Performance Optimization20% Cross-Functional Collaboration (Product, UX, DevOps, QA)10% Code Quality, Testing Strategy & Technical DocumentationDaily ResponsibilitiesDesign, build, and deploy production-grade backend services using Elixir and related technologiesDevelop and maintain GraphQL APIs with a focus on performance, security, and reliabilityConduct code reviews and contribute to high engineering standards and best practicesCollaborate with infrastructure and DevOps teams to scale and troubleshoot servicesWrite unit tests and support QA in defining test plans and coverageParticipate in Agile ceremonies including standups, sprint planning, and retrospectivesProactively identify risks, reliability concerns, and security considerationsTechnology EnvironmentBackend: Elixir, Phoenix, EctoAPIs: GraphQL (gRPC exposure a plus)Databases & Messaging: PostgreSQL, R...

Maersk’s vision is to be the global integrator of logistics, connecting and simplifying customers’ supply chains.Fulfilled by Maersk (FbM) organization is a critical part of Maersk’s global integrator vision. Maersk’s Technology organization offers a unique opportunity to impact global trade via the largest container shipping company in the world.

Maersk’s vision is to be the global integrator of logistics, connecting and simplifying customers’ supply chains.Fulfilled by Maersk (FbM) organization is a critical part of Maersk’s global integrator vision. Maersk’s Technology organization offers a unique opportunity to impact global trade via the largest container shipping company in the world.

[Industry: Financial Services | Type: Full-time | Level: Mid-Senior level] Who We Are:Alpaca is a US-headquartered self-clearing broker-dealer and brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more. Our recent Series D funding round brought our total investment to over $320 million, fueling our ambitious vision.Amongst our subsidiaries, Alpaca is a licensed financial services company, serving hundreds of financial institutions across 40 countries with our institutional-grade APIs.

[Applicants: Over 200 applicants | Industry: IT Services and IT Consulting | Type: Contract | Level: Mid-Senior level] Senior Software EngineerWe’re partnering with a client in the photography and digital commerce space that is expanding a small, senior-level engineering team. This role supports a high-traffic e-commerce platform handling both standard and bulk ordering workflows, with a strong focus on building new product features and modernizing existing systems in production.This is a hands-on engineering role with real ownership, close collaboration with product and engineering leadership, and direct impact on a platform used at scale.What You’ll Be Working OnBuild and enhance customer-facing desktop and e-commerce ordering experiencesDesign and maintain integrations between internal workflow systems and external ordering platformsContribute to the modernization of legacy components while developing new featuresCollaborate closely with Product Managers and Technical Leads to execute an active roadmapEnsure scalability, performance, and reliability across distributed servicesTechnical EnvironmentJavaScript, TypeScriptNode.js (Express) with microservices architectureReact and Next.jsAWS cloud infrastructureRedis and SQS for data and messagingWhat We’re Looking ForStrong experience building production systems with JavaScript and TypeScriptHands-on background with Node.js and modern frontend frameworksExperience working in high-volume, distributed, or service-oriented environmentsComfort working across both new feature development and system modernizationCollaborative mindset with the ability to work closely with product and engineering stakeholders

[Applicants: Over 200 applicants | Industry: Staffing and Recruiting | Type: Full-time | Level: Mid-Senior level] Senior Software Engineer, Full StackJob DescriptionWe are seeking a versatile and talented Full Stack Software Engineer to support thedevelopment and maintenance of our web portal and mobile application. The idealcandidate will have experience with AWS services and be comfortable working with bothfrontend and backend systems in a fast-paced, collaborative environment with staffmembers across many different time zones.Key ResponsibilitiesDevelop, maintain, and improve our web portal and mobile applications.Work with software team on unit testing and QA processDesign and implement scalable backend systems using Node.js, AWS IoT,Kinesis, S3, and related technologies.Build and optimize frontend interfaces using React Native, Kotlin, andTypeScript.Develop integrations between web, mobile, backend, and occasionallyhardware systems.Implement and support video streaming solutions using SRT/RTSPtechnologies.Debug, troubleshoot, and resolve issues across the stack to ensure highperformance and reliability.Stay current with industry trends and best practices in web and mobileapplication development.Write and maintain clear and concise technical documentation.Qualifications (Preferred)Bachelor’s or Master’s degree in Computer Science, Software Engineering,or a related field.Minimum 6 years experience in full-stack development with expertise inThe Following TechnologiesFrontend: React Native, Kotlin, TypeScriptBackend: Node.jsCloud: AWS IoT, Kinesis, S3Video streaming: RTSP/SRTStrong understanding of modern software development practices,including CI/CD pipelines and version control (e.g., Git).Experience building and deploying mobile applications for both iOS andAndroid platforms.Familiarity w...

In this role, you will be responsible for leading the design, development, testing and maintenance of high-performance, scalable, and secure software systems. You will collaborate with cross-functional teams to deliver innovative solutions supporting Human Resources, communications and Physical Security IT business applications.As a senior engineer, you will mentor junior engineers, provide technical leadership, and leverage your expertise in full stack development to ensure the delivery of high-quality products.What You'll Do:Lead the design, development, and maintenance of full stack solutions using .NET technologiesTranslate business requirements into effective, scalable, and bug-free technical solutionsParticipate in sprint planning, refine stories, and provide accurate estimations for development timelineDeliver clean, maintainable code aligned with best practices and modern design patternsDevelop and execute unit test cases with high coverageMentor and coach Junior engineers, conduct code and design reviewsTroubleshoot complex issues, perform root cause analysis, and implement long-term fixesSupport CI/CD workflows and ensure continuous improvement in build and release processModel and foster GM’s core values and behaviorsYour Skills & Abilities (Required Qualifications):5+ years of professional experience in software development with a focus on .Net Framework / .NET CoreMinimum 3+ years of experience in leading the software engineering teamProven expertise in deploying modern design patterns and building scalable, reusable codeDemonstrated track record of improving development efficiency and delivering successful projectsAbility to navigate ambiguity and drive timely decision-makingStrong proficiency in Angular for front-end developmentExperience in building and scaling backend services across hybrid environments (on prem and cloud)Hands-on experience in developing and deploying applications to cloudHands-on experience with RESTful API design and developmentExperience with relational databases such as PostgreSQL and SQL Server, including stored proceduresProficiency in version control systems (Git) and CI/CD pipelinesExperience with Agile methodologies and tools such as Jira a...

[Industry: Marketing Services | Type: Full-time | Level: Mid-Senior level] DescriptionDeep Sync is the industry leader in deterministic identity and AI-powered data solutions. This individual will make significant technical contributions to the design and development of our AI-first products and platforms.

[Applicants: Over 200 applicants | Industry: Software Development | Type: Full-time | Level: Mid-Senior level] About AncestryWhen you join Ancestry, you join a human-centered company where every person’s story is important. Passionate about dedicating your work to enriching people’s lives?

[Industry: Financial Services | Type: Full-time | Level: Mid-Senior level] As passionate about our people as we are about our mission.Why Join Q2?Q2 is a leading provider of digital banking and lending solutions to banks, credit unions, alternative finance companies, and fintechs in the U.S. We hold an annual Dodgeball for Charity event at our Q2 Stadium in Austin, inviting other local companies to play, and community organizations we support to raise money and awareness together.SummaryQ2 is seeking a Senior Manager of Software Engineering to lead our Integrations team, a critical group responsible for extending and enhancing Q2’s digital banking platform through best-in-class third-party integrations.In this role, you will lead and grow a team of engineers designing, building, and operating highly reliable applications and services using Go, C#, and the .NET framework.

Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. In accordance with law, the base salary for this role if filled within Alpharetta, GA is $100K - 110K$/year & benefits (see below).The RoleResponsibilities:Lead and mentor a team of Java developersAnalyze business requirements and translate them into technical solutionsDevelop, test and deploy Java-based applications and systemsTroubleshoot and resolve technical issues in a timely mannerCollaborate with cross-functional teams to drive innovation and implement new technologiesRequirements:Lead a team of Java developers and ensure high-quality software deliveryDevelop and maintain Java-based applications and systemsDesign and implement scalable and efficient Java solutions to meet business requirementsCollaborate with cross-functional teams to resolve technical issues and drive innovationExtensive knowledge of Java programming and related technologiesExperience in developing Java-based applications and systems...