Senior Software Developer
Hackajob
Software Engineering
United States
Posted on Apr 9, 2026
hackajob is collaborating with American Express to connect them with exceptional professionals for this role.
Qualifications
Qualifications
- Bachelor's or master's degree in computer science, computer engineering, software engineering, or other technical discipline, or equivalent work experience
- Push Payments Expertise
- 8+ years of software development experience with strong knowledge in Java, Rest APIs, and exposure to alternate JVM languages: Kotlin, Clojure
- Python, Scala, Node.js, Golang, Java, JavaScript, C++, C#,Kotlin
- Database: MySQL, MongoDB, Redis, Postgres
- Search & log: Solr, Fruendt, Prometheus
- Container orchestration: Kubernetes, GKE, Docker
- CI/CD: Jenkins, SonarQube
- Cloud services: Big Query, DataPro, Dataflow, Cloud SQL, Cloud Composer, AWS EMR
- Other: Git, Gitflow, Jira, Bitbucket, Gitlab, Trello, Scrum
- Frameworks: Quarkus, Ktor
- NoSQL databases: MongoDB, Cassandra, HBase, Couchbase
- Applied statistics skills: distributions, statistical testing, regression analysis
- Creativity & Problem-Solving Skills
- Adaptability & Flexibility
- Aptitude for technology; curiosity, passion, and startup mindset
- Innovative thinking
- Other Skills (that will be a plus):
- Web technologies - An in-depth knowledge and experience working with web technologies such as JavaScript, HTML, CSS, TypeScript, C#, SASS, Stylus, Stylus, Python, and LESS.
- React tools - Strong proficiency in Enzyme, Webpack, Redux, and Flux.
- Web frameworks - Proven expertise in different frameworks like React Native, AngularJS, Angular2, VueJS, SocketIO, Backbone, KnockoutJS, Svelte, and Bootstrap.
- Open-source Libraries - Demonstrable experience with jQuery, MomentJS, html5sql.js, RequireJS, and Loads.
- Software testing tools - A good working knowledge in testing codes using Mocha, Jest, Unit-tests, TDD, Karma, VCS, and Selenium (base).
- Databases - A familiarity of working with different databases such as MySQL, NoSQL (e.g., MongoDB), PostgreSQL, Redis is recommended.
- Code repositories - Working experience using GitHub, Bitbucket, Rhode Code, and devZing Subversion
- Cloud management - A strong background in different cloud platforms like Amazon AWS, Microsoft Azure, OpenStack Apache, and Google Cloud Platform