Senior Backend Developer jobs

San Antonio, Texas

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Today

The Senior Backend Developer provides subject matter proficiency for our USAF mission. This role is responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Shall perform engineering tasks for back-end design and development efforts including, but not limited to, developing back-end architectures to support current and new system capabilities and integrations, RESTful API development and modification, database management, an

Full-time

Depends on Experience

Senior Backend Developer - Kotlin/Java/SaaS

Boston, Massachusetts

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Today

Job Description A global insurance company in Boston is hiring a Backend Software Engineer to help build and scale the technology by powering its digital insurance platform. In this position, you'll be developing backend systems, APIs, and product features, all while working closely with frontend developers and other teams. In this role, you'll be a part of a small team in shaping the core internal systems that are essential to the company's software engineering environment. You'll also take ow

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Full-time

$180000 - $210000

Sr Backend Software Developer

Denver, Colorado

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Today

Job Title: Sr Backend Software Developer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US Anticipated Posting End: 11/28/2026 The Opportunity: CACI is seeking a Senior Backend Software Developer for the GEOINT Tradecraft Suite (GTS), a mission-critical platform delivering advanced geospatial intelligence capabilities to national security

Full-time

USD 108,400.00 - 227,500.00 per year

Senior Java Backend Developer

Sunnyvale, California

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Yesterday

Title :Senior Java Backend DeveloperDuration : 1 YearLocation :Bentonville, Arkansas or Sunnyvale, CAOn-site day oneSenior Java Backend Developer with over 10 years of experience to design, develop, and maintain high-performance microservicesParticipate in code reviews, debugging, and performance optimization -- Send resume to martin at vsiontek dot com call me five one two - two one five- four four five five

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Contract

50 - 60

Sr. Python Backend Developer

New York, New York

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4d ago

We are Photon, one of the world's largest Digital Platform Engineering companies providing a unique combination of Strategy Consulting, Creative Design and Technology Services to a wide range of customers. We are a high growth organization serving over 40% of Fortune 100 companies and truly believe that our people make the world of difference for our clients and our business. With Photon, you get the opportunity to learn and grow, build deep digital/technical expertise, and achieve your professi

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Full-time

Depends on Experience

Senior Java Backend Developer

Remote

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25d ago

Senior Java Backend Developer Location: Remote must work Pacific Time (PST/PDT) hours Experience: 8+ years Employer: ZAPCOM Role Overview ZAPCOM is seeking a Senior Java Backend Developer to support a client engagement. The ideal candidate will have strong hands-on experience building scalable backend services, developing REST APIs, and delivering reliable applications in a distributed environment. Key Responsibilities Design, develop, and maintain backend applications using Java and Spring Boo

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Full-time

100,000 - 130000

Senior Backend Developer

Berkeley Heights, New Jersey

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14d ago

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a differe

Full-time

USD 110,000.00 - 186,000.00 per year

Senior Back-end Developer

McLean, Virginia

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17d ago

Overview We are seeking an experienced Senior Java Backend Developer to design, develop, test, and maintain scalable enterprise applications and backend services. The successful candidate will have strong hands-on experience with Core Java, Spring, Spring Boot, Spring Data JPA, and RESTful API development. The Developer will work across the full application lifecycle, developing reliable backend solutions, integrating with relational and non-relational databases, implementing automated testing

Full-time

Senior Backend Developer (MTSD)

Huntsville, Alabama

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Today

Mission Driven Research (MDR) is here to deliver technical excellence with a mission-driven mindset - going the extra mile for our customers, growing our people personally and professionally, and giving generously to our communities. We're looking for a skilled, AI-native senior backend developer wh

Full-time

Senior Back-End Developer

Chantilly, Virginia

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Today

Overview We are seeking a Java Backend Software Engineer to join a team of developers and cloud engineers responsible for enhancing legacy Public Key Infrastructure (PKI) systems and developing new solutions to support evolving mission requirements. The successful candidate will develop scalable backend applications, integrate systems through APIs, and support the design and implementation of PKI solutions across multiple networks. The team operates within an Agile Scrum framework, delivering

Full-time

Senior Backend API Developer - 3702514

Buffalo, New York

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Today

Lighthouse Technology Services is partnering with our client to fill their Senior Backend API Developer position! This is a 12-18 month contract opportunity and will be hybrid in Buffalo, NY with 4 days on-site. This role will be a W2 employee of Lighthouse Technology Services. No C2C or subcontracting arrangements will be considered. What You'll Be Doing: Develop and maintain enterprise APIs that enable money movement applications across banking systemsBuild and support API integrations with

Full-time

USD 70.00 - 77.00 per hour

Senior Java Backend Developer

Phoenix, Arizona

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Today

Benefits: ONSITE Competitive salary Opportunity for advancement Senior Java Backend Developer - Digital Banking Location: Phoenix, AZ Work Arrangement: Day 1 Onsite - Minimum 3 Days/Week Experience: 8+ Years Important : This is a Day 1 Onsite position in Phoenix, AZ. Candidates must be available to work onsite a minimum of 3 days per week. We are seeking a Senior Backend Software Engineer with strong hands-on experience in Java, Spring Boot, Microservices, Distributed Systems, Kafka, and

Full-time

USD 120,000.00 - 130,000.00 per year

Sr Backend Golang Developer

Plano, Texas

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Yesterday

Job Title: Sr Backend Golang Developer Location: Plano, TX Job Summary Seeking an experienced Sr Backend Golang Developer to enhance existing services and develop new backend applications hosted in AWS serverless and multi-tier architecture environments.Collaborate within an Agile Scrum team to deliver high-quality solutions and business value.Partner with architects, technical leads, developers, and DevOps teams to design, build, test, and deploy scalable backend services.Key Responsibilities E

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Part-time, Third Party

Depends on Experience

Senior Backend .NET Developer

Remote

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Today

Job Title: Senior Backend .NET Developer Job Location: Remote Job Type: Full Time Job Description: Develop backend services and REST APIs using C# and .NET. Build business and domain logic using SOLID and Clean Architecture principles. Work with Entity Framework Core, LINQ, SQL Server, and Azure SQL. Design integrations with enterprise and third-party systems. Implement asynchronous processing, background services, and messaging. Work with Azure Service Bus and other messaging technologies. I

Full-time

Senior Java Backend Developer (Spring Boot)

Dearborn, Michigan

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Today

Senior Java Backend Developer (Spring Boot) Job Overview We are seeking an experienced Java Backend Developer to design, develop, and maintain server-side applications, APIs, and microservices. The role involves developing Java-based microservices using Spring Boot, integrating APIs, managing databases, and supporting cloud infrastructure. The ideal candidate will have strong Java development experience and the ability to collaborate with cross-functional teams to deliver reliable and scalable

Full-time

Senior Full Stack Backend Engineer (Java, Spring Boot, Cloud & DevOps)

Irving, Texas

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8d ago

Company Overview: Req ID: 396356 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. NTT DATA's Client is currently seeking a Senior Full Stack Backend Engineer (Java, Spring Boot, Cloud & DevOps) to join their team in Irving, Texas (US-TX), United States (US). Job Description - Senior Software Engineer Role Overview: Senior hands-on engineering rol

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Contract, Third Party

$60 - $70

Sr. Java Developer – Backend / API / Microservices

Hybrid in Columbus, Ohio

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7d ago

Senior Java Developer Backend / APIs / MicroservicesLocation: Columbus, OH Work Model: Onsite 45 days per week Experience: 910 years Client: JPMC Candidate Requirement: Local candidates only Preference: Ex-JPMC experience preferred Interview Process: L1 Virtual | L2 In-person Job SummaryJPMC is seeking an experienced Senior Java Developer with strong backend development, REST API, and microservices expertise to design, develop, test, and maintain scalable, high-performance applications. Key Res

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Contract

Depends on Experience

1. Sr Java Developer (Backend, API, microservices),

Hybrid in Columbus, Ohio

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8d ago

Job Title: Sr Java Developer (Backend,API, microservices), Exp: 9-10 years Location: Columbus, OH 4-5 days onsite Need only Local candidates Job Description: We are looking for an experienced Senior Java Developer with strong expertise in backend development, REST APIs, and microservices architecture. The ideal candidate will be responsible for designing, developing, testing, and maintaining scalable, high-performance applications. Key Responsibilities: Develop and maintain backend application

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Contract

Depends on Experience

Senior Backend Java developer

New York, New York

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Today

Project description We're looking for a Senior Java Developer to design, build, and scale backend services for a high throughput, low latency platform with strict reliability and auditability requirements. You'll own end to end delivery-from design to production-collaborating closely with Product, QA, and DevOps. Responsibilities Design and implement microservices and event-driven components in Java (preferably Java 17+). Model and optimize PostgreSQL schemas, queries, and transactions for perf

Full-time

Sr. Java Backend Developer

Hybrid in McLean, Virginia

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16d ago

Job Title: Java Backend Developer Location: Mclean, VA or Richmond, VA - Hybird SkillsJava BackendCore Java, Spring Boot, MicroservicesREST APIsDistributed systems and backend architectureAWS Lambda (serverless computing)Other AWS services such as ECS, API Gateway, S3, CloudWatch, IAM.Experience using Claude AI and similar AI tools is a plus.

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Contract

Depends on Experience