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Senior Microservice Developer Jobs in New York (NOW HIRING)

As a Haymarket Senior Applications/Services Developer you are a hands‑on individual who is motivated by the combination of good object oriented design with high performance microservice programming ...

Senior Java Developer

White Plains, NY · On-site

$59.25 - $75.50/hr

Job Title: Senior Java Developer Location: White Plains, NY W2 role Qualifications: * 8+ year s ... multi-tier or microservice applications in Java and large scale database applications * Strong ...

Sr. Microservices Developer - Jersey City

Somerville, NJ · On-site

$58.75 - $74.75/hr

... Microservice/Restful API using Spring framework and help in debugging any issue during SDLC life ... Full stack developer - senior level Front end: Angular 9+ Back end: Java 1.8, C# ( good to have ...

Job Title: Sr. DevOps Developer Client: Morgan Stanley VISA : USC, GC, GC EAD Location: NYC (Hybrid ... Sound understanding of microservice architecture and design patterns, system resiliency ...

Job Title: Sr. DevOps Developer Client: Morgan Stanley VISA : USC, GC, GC EAD Location: NYC (Hybrid ... Sound understanding of microservice architecture and design patterns, system resiliency ...

Senior AI Engineers

Hoboken, NJ · On-site

$114K - $157K/yr

Design and review microservice and microfrontend architecture using C4 diagrams and Domain-Driven ... Mentor senior and staff engineers on effective agent-assisted development * Write RFCs and design ...

Sr. Angular Developer

Whippany, NJ · On-site

$55.50 - $68/hr

NAVA Software solutions is looking for a Sr. Angular Developer Sr. Angular Developer Location ... Design web UI for Microservice based web application * Follow standard software development ...

Senior API Java Developer

Berkeley Heights, NJ · On-site

$59.75 - $76.25/hr

Keylent Inc is looking for a Senior API Java Developer to join their team in Berkeley Heights, NJ ... SoapUI, Microservice development (Spring Boot), and CI/CD DevOps (ADO, Jenkins) • 3+ years of ...

Collaborate with senior developers and cross-functional teams to deliver project requirements ... Utilize Mongo DB to store and access data, communicate to it from a Microservice, design and ...

.NET Developer

Parsippany, NJ · On-site

$48.50 - $64/hr

Parsippany, NJ( onsite full) Exp : Sr level Key Skills: .net, messaging:Kafka, Container ... understanding of microservice architecture and related patterns and must have significant ...

Sr Software Engineer

Manhattan, NY · On-site

$130 - $160/hr

Senior Software Engineer - ADP (Lifion Team) Senior Software Engineer to build microservice features for ADP's Human Capital Management platform. Work with a team of engineers in sprint-based ...

Senior AI Engineer

New York, NY · On-site

$134K - $176K/yr

Position: Senior AI Software Engineer Location: New York, NY Long Term Contract Gen-AI ... Comfortable with cloud based microservice environment * Experience building agentic AI features ...

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Infographic showing various Senior Microservice Developer job openings in New York as of August 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution.

Senior Web Applications Developer

Haymarket

Manhattan, NY • On-site

$120 - $130/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 17 days ago


Key responsibilities

  • Develop new user-facing and backend features in collaboration with product

  • Deliver functional - testable code on or before due dates

  • Build reusable code and libraries


Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Senior Web Applications Developer

Full Time New York, NY, US

5 days ago Requisition ID: 2072

Salary Range: $120,000.00 To $130,000.00 Annually

Senior Web Applications Developer

Haymarket Media, Inc. is seeking a Senior Developer to join the Web Applications/Services team. This position is located in our New York, NY office on a hybrid work schedule; three (3) days in office depending on business needs.

Job Overview:

The ideal candidate for this position is a detail focused leader and self starter who is comfortable working on a lean, highly productive development team. As a Haymarket Senior Applications/Services Developer you are a hands‑on individual who is motivated by the combination of good object oriented design with high performance microservice programming to build smart extensible, reusable, and scalable applications. The ideal candidate will have 5+ years of solid Web API and data centric application experience, and can bring to the table architectural and design ideas.

This role's scope includes building and maintaining several important and high visibility services and applications, including: identity/access management, data‑intensive internal applications, middleware connecting various 3rd parties and SaaS products, and specialized APIs serving targeted business and operational needs.

You will need to be a great communicator and team player helping to bridge the gap between product, business requirements, technical constraints. You keep an eye on performance and stay up‑to‑date on emerging technologies and trends to understand how they could be applied here at Haymarket. Mentoring and providing guidance for junior developers is critical to this role and the team at large.

Responsibilities:

  • Develop new user-facing and backend features in collaboration with product
  • Deliver functional - testable code on or before due dates
  • Produce strong documentation for both internal teams and external partners
  • Work in a ticketed workflow system
  • Build reusable code and libraries
  • Optimize application for speed and scalability
  • Collaborate with team members and stakeholders
  • Integrate with other engineering teams on a project basis

Skills And Qualifications:

  • Thorough grounding in C# (.Net Core/.Net 5<)
  • Serverless and cloud hosting (AWS preferred)
  • Proficient in SQL (SQL Server) and Entity Framework
  • Experience with front-end component libraries (Telerik preferred)
  • Experience with CI/CD
  • Experience in microservices
  • Proficient understanding of OOP standards, C# Solid Principles and design patterns
  • Proficient understanding of Git
  • Experience with observability platforms (New Relic/Google Cloud Monitoring)
  • Knowledge of TDD
  • Bachelor’s degree in related field or equivalent work experience

Nice To Have Skills:

  • Swagger/OpenAPI based documentation
  • Powershell scripting
  • Experience building Blazor applications
  • Good understanding of ADA accessibility principles and ensuring that application will adhere to them

Special Instructions:

  • A cover letter and sample codes are required.

What We Offer:

  • A competitive compensation package
  • The salary range for this position is $120,000–$130,000. Compensation will be commensurate with experience, skill level, functional and/or industry knowledge, education level, certifications, as well as other qualifications.
  • Paid annual vacation, holiday and sick time off
  • Comprehensive health plans including medical, dental and vision
  • Competitive 401(k) investment options and generous company matching program
  • Life insurance
  • Employee referral awards
  • Training opportunities through industry‑recognized programs
  • A creative and passionate workplace and a fun, collaborative team environment
  • Three Week “Work from Anywhere” benefit, to ensure work life balance

About Haymarket:

Haymarket has its heart and soul in publishing and media. Since the company was founded half a century ago, Haymarket has always prided itself on being a highly creative business, with an unrelenting focus on the quality of the products and the people. The philosophy has always been quite simple: only by having the highest quality individuals can you produce the highest quality products, combining the best in content, design, production and customer services. Globalization is opening up the world further and provides many opportunities for growth. Haymarket has offices around the world and many of the titles are now truly global brands. Haymarket serves a broad spread of business markets, from marketing to medicine to technology along with exhibitions and live events. Predicting the shape of the business in 3, 5, or 10 years is almost impossible; and the unpredictability is part of the appeal. Haymarket aims to be the perfect company to work with or for – we have the processes and attitude that ensure quality and consistency, and an entrepreneurial spirit that makes every day rewarding. As a Certified B Corporation, we’re proud to be part of a community of companies working together for change, and taking part in collective action to advocate for a shared goal of a global economy that benefits people and the planet.

An equal opportunity employer, Haymarket Media does not discriminate in hiring or terms and conditions of employment because of an individual's race, color, religion, gender, gender identity, national origin, citizenship, age, disability, sexual orientation, marital status, or any other protected category recognized by state, federal, or local laws.

Beware of fraudulent activity where individuals are contacting job seekers claiming to represent Haymarket Media. Please note that only emails from @ haymarketmedia.com are legitimate.

When applying for roles with Haymarket Media, you will receive an email directly from a member of the Talent Acquisition team or communication through LinkedIn.

California Applicants may view Haymarket Media, Inc.'s Privacy Statement for California Residents here .

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