Senior Back-End Developer
$120k - $150kAequilibrium Software
Role Description
We're looking for a Senior Back-End Developer with deep expertise in the Microsoft .NET ecosystem. When you join Aequilibrium, you'll be part of a fun and agile technology professional services company driving innovation in financial services.
We're seeking a consultative, client-facing developer who can design, build, integrate, and extend enterprise applications using modern C#, .NET, Azure, and microservices technologies. You'll work closely with clients, product teams, architects, and fellow engineers to deliver scalable, secure, and high-performance enterprise solutions.
Qualifications
- 10+ years of professional software development experience.
- Strong experience with:
- C#
- .NET Core / .NET 6+
- ASP.NET Core
- Entity Framework
- Strong experience designing and building RESTful APIs and microservices.
- Experience with SOAP and REST integrations, JSON, XML, and modern API design practices.
- Strong understanding of distributed systems and event-driven architectures.
- Experience with messaging technologies (Kafka, RabbitMQ, Azure Service Bus, or similar).
- Experience writing automated unit and integration tests using xUnit, NUnit, or MSTest.
- Strong knowledge of Git and modern source control workflows.
- Experience developing large-scale, enterprise-grade applications.
- Strong hands-on experience with Microsoft Azure, including cloud-native services.
- Experience with Docker and Kubernetes.
- Strong understanding of application security, authentication, authorization, OAuth2, OpenID Connect, and secure API design.
- Experience with CI/CD pipelines and DevOps practices.
- Experience working in financial services, fintech, banking, or other enterprise environments.
- Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience.
- Experience working in Agile teams using Scrum and/or Kanban.
- Knowledge of Test-Driven Development (TDD) and Continuous Integration practices.
Requirements
- Extensive experience designing and developing enterprise-grade applications using C# and .NET.
- Strong expertise building scalable backend services using ASP.NET Core, Entity Framework, and RESTful APIs.
- Experience designing microservices and distributed systems.
- Comfortable interacting directly with clients in professional services, consulting, or agency environments.
- Ability to manage multiple projects and priorities while maintaining high-quality deliverables.
- Passionate about technology and solving complex business challenges.
- Ability to translate business requirements into scalable technical solutions and architecture.
- Effective collaboration with Product Managers, Designers, Architects, and Engineers.
- Proactive, consultative, and comfortable leading technical discussions with stakeholders.
- Value writing clean, maintainable, testable code and mentoring other developers.
- Strong analytical, troubleshooting, and problem-solving skills.
- Enjoy participating in peer code reviews and promoting engineering best practices.
- Embrace Agile principles and contribute positively to team success.
Benefits
- Competitive compensation
- Remote-first workplace
- Medical, dental, and extended health benefits (premiums fully covered by the company)
- Employee bonus programs
- Team-bonding events
Company Description
Aequilibrium is a technology professional services organization voted multiple times among the Top 5 Best Companies to Work For, Top 5 Digital Agencies, and Fastest Growing Tech Companies in BC, and winner of multiple VancouverUX Awards for product design.
We bring together product and project managers, designers, and developers dedicated to creating winning web, mobile, and emerging technology solutions. Our team uses Agile methodologies and Lean Startup principles to deliver our clients' projects faster and with less risk.
- ...have massive impact: join the world-class engineering team at the company that’s redefining how people travel. As Senior or Principal Software Developer in the Virtual Interlining team, you will be directly responsible for designing, implementing, and deploying greenfield...SeniorFull timeFlexible hours
- ...recruiting agency, specializing in filling high-demand tech and IT roles, remote positions, and freelancer/contractor searches. We connect skilled developers & teams with exciting and growing modern and innovative companies and start-ups across Europe, Asia, and the USA....SeniorFull timeContract workFor contractorsFreelanceRemote workShift work
- ...Senior Back-End Developer Location: Cleveland, OH Remote rate 60$hr on c2c Required Skill Job Description This will be part of the job posting - please do not include client name, do include a few sentences about who we are seeking to fill this role, where and...SeniorRemote work
- Role Description Implementar e manter sistemas backend escaláveis, garantindo alta disponibilidade e performance. ~Projetar e desenvolver APIs robustas, seguras e alinhadas às melhores práticas organizacionais. ~Definir padrões técnicos, revisar código e orientar o...SeniorFull timeHome office
- Role Description Estamos em busca de um Analista Desenvolvedor Back End Sênior, com domínio em .NET 8, que também saiba navegar pelo front-end em React + TypeScript para contribuir em entregas ponta a ponta. Você fará parte de um time que trabalha com inovação, aprendizado...SeniorFull time
- ...Job Type: Full-Time (40 hours per week) Start Date: Second Week of January 2025 We are seeking a talented and experienced Senior Back-End Developer to join our dynamic team. The ideal candidate will have a strong background in Python, specifically utilizing the Django framework...SeniorHourly payFull timeRemote work
- ...support the active project demands and skills gaps, our staffing experts can help you find the best job for you. Role: Senior Back-End Developer Location: New York, NY Duration: 12 months Required Skills:Back-End Developer Job Description: As a...SeniorPermanent employmentContract workRemote work
$145k
...Maximus is seeking a Senior Back-End Developer to join our team! The Senior Back-End Developer provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition...SeniorContract workRemote work$110k - $200k
About the Role A fast-growing, Y Combinator-backed AI startup in the supply chain space is looking for a Senior Backend Engineer to join their small, high-velocity engineering... ..., reliable, scalable systems. This is an end-to-end ownership role at a seed-stage company (...SeniorFull timeRemote workVisa sponsorship$100k - $112k
...Senior Backend Engineer– Remote Bright Vision Technologies is a technology consulting and software development company delivering cloud, AI, data, and enterprise solutions across the United States. This is a fantastic opportunity to join an established and well-...SeniorFull timeH1bLocal areaImmediate startRemote workVisa sponsorship$100k - $110k
...Senior Backend Developer – Remote Bright Vision Technologies is a technology consulting and software development company delivering cloud, AI, data, and enterprise solutions across the United States. This is a fantastic opportunity to join an established and well...SeniorFull timeH1bLocal areaImmediate startRemote workVisa sponsorship$130k - $158k
Role Description We are looking for a talented Senior Back End Software Developer (AI, Java, Vert.x, AWS) to join our Signals Software team, building our next generation cloud notebook application. You will be focused on the back-end design and development of our cloud...SeniorFull time$162.16k - $237.84k
...diverse set of account initiatives from end to end. These include internal apps like... ...account experience that allows players and developers to benefit from not having to implement and... ...and services Experience programming back-end web services in Java or similar language...SeniorFull time- Role Description Ellipsis Labs seeks a Senior Backend Engineer to join the Risk Engineering team. This team builds and maintains the liquidation... ...of experience in engineering. ~Ability to architect systems end-to-end. ~Experience leading complex numerical projects...SeniorFull time
$165k - $180k
...will need support to drive adoption across the organization before pivoting to sell it more broadly in the future. As a Senior Back-End Developer, your primary responsibility will be to design, develop, and maintain robust and high-performing back-end systems that meet...SeniorFull timeRemote workFlexible hoursWeekend work- ...and the many ways it can power and improve society, and can demonstrate the right set of software engineering skills to effectively develop robust and scalable applications, then you’ve earned yourself an interview with our team. The ideal candidate for this role...SeniorRemote jobFull time
- Role Description We're a bootstrapped GenAI platform serving image and video generation at real scale — Fortune 500 clients, $35M+ ARR, and traffic that doesn't wait for you to catch up. We need a backend engineer who thinks in systems, not just services. You'll own the...SeniorFull timeRemote work
- ...Implementing real-time slippage management systems and developing cross-chain settlement protocols. ~Processes... ...Qualifications ~4+ years of professional back-end engineering experience (we’re hiring at multiple seniority levels). ~Strong proficiency with modern...SeniorFull time
- ...construyes, operas y te haces responsable de dominios críticos de la plataforma. Qualifications +5 años en desarrollo Backend (Seniority basado en autonomía y proactividad). +3 años de experiencia sólida con Node.js y TypeScript. +3 años operando en entornos...SeniorContract work
- Role Description Como Senior Backend Spark Developer, serás una pieza clave en el diseño, desarrollo y optimización de soluciones de procesamiento de datos. Tendrás la responsabilidad de liderar decisiones técnicas, contribuir activamente al diseño de la arquitectura y...SeniorFull time
- Role Description We are looking for a Senior Backend Engineer to design, develop, and maintain scalable backend services for the Open edX learning platform. The role involves: ~Platform deployment ~Customization ~API integrations ~Performance optimization of...SeniorPart time
- ...Role Description We’re seeking a Senior Backend Engineer with a passion for systems... ...you’ll architect and implement features end-to-end across our backend services and infrastructure... ...get them done. And feel the impact. Develop Operational Expertise: learn the inner...SeniorFull timeWork at office
- Role Description Garantir a excelência técnica na construção das soluções, traduzindo requisitos de negócio em código robusto, escalável e sustentável, seguindo os padrões arquiteturais definidos pelo time. Atuar como referência técnica no dia a dia de desenvolvimento, ...SeniorFull time
- Role Description Als Senior Backend Engineer (all genders) bist du Teil eines Entwicklerteams mit fundierten Kenntnissen in den Bereichen Programmierung, Datenbanken und Architektur. Gemeinsam treibst du die Skalierung unseres Produkts voran und gestaltest die Entwicklung...SeniorFull timeWork at officeRemote workFlexible hours
- ...In this role, you own a service or domain end-to-end — design, implementation, tests, and... ...hard backend problems, you mentor less-senior engineers, and you have a strong drive to... ...ready code, with the quality controls that back it up. ~Build and harden third-party integrations...SeniorFull time
- Role Description Step is looking for a Senior Backend Software Engineer. ~Own features throughout their life cycle, from inception to production ~Improve existing and develop new Kotlin services ~Prioritize maintainable code and test all the things ~Work in...SeniorFull timeFlexible hours
$189.04k - $342k
Role Description We are looking for product-oriented backend engineers to join our Application Access (MCP) engineering team here at Teleport. You will be responsible for designing and implementing backend services and APIs that enable access controls auditing tools, audit...SeniorFull time- Role Description We are looking for Senior Backend Engineers (AI-Native) to join a high-velocity squad focused on our B2B and B2C warehouse management ecosystem. The ideal candidate is an AI-Native Software Engineer who won’t just write code but orchestrate AI agents and...SeniorFull timeRemote workFlexible hours
$150k - $220k
...processing, audio transcoding, and latency and memory optimization. ~Develop processes for measuring, building, and optimizing services to... ...to design and implement new services, features, and/or products end to end. Qualifications ~3+ years of experience in an...SeniorFull time- Role Description Weave is looking for a foundational Senior Backend Engineer - Performance to establish and lead our performance engineering... ...~Create the paved-road for performance testing at Weave ~Develop frameworks, tooling, and reference implementations ~Empower...SeniorFull timeImmediate startRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Back-End Developer. Be the first to apply!




















